* [syzbot] [mm?] BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot
@ 2023-10-04 17:50 syzbot
2024-01-02 11:09 ` syzbot
` (2 more replies)
0 siblings, 3 replies; 7+ messages in thread
From: syzbot @ 2023-10-04 17:50 UTC (permalink / raw)
To: akpm, linux-kernel, linux-mm, syzkaller-bugs
Hello,
syzbot found the following issue on:
HEAD commit: ce36c8b14987 Merge tag 'ubifs-for-linus-6.6-rc5' of git://..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=151d1e92680000
kernel config: https://syzkaller.appspot.com/x/.config?x=6b4e3baedc34d5e0
dashboard link: https://syzkaller.appspot.com/bug?extid=b18872ea9631b5dcef3b
compiler: arm-linux-gnueabi-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/8ead8862021c/non_bootable_disk-ce36c8b1.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/8347e21e2813/vmlinux-ce36c8b1.xz
kernel image: https://storage.googleapis.com/syzbot-assets/65c05c43e3fe/zImage-ce36c8b1.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b18872ea9631b5dcef3b@syzkaller.appspotmail.com
8<--- cut here ---
Unable to handle kernel NULL pointer dereference at virtual address 00000000 when read
[00000000] *pgd=85891003, *pmd=e44a7003
Internal error: Oops: 207 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 1 PID: 22169 Comm: syz-executor.1 Not tainted 6.6.0-rc4-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at page_zonenum include/linux/mmzone.h:1086 [inline]
PC is at __kmap_local_page_prot+0xc/0x74 mm/highmem.c:573
LR is at kmap_local_page include/linux/highmem-internal.h:73 [inline]
LR is at copy_page_to_iter+0xf8/0x184 lib/iov_iter.c:479
pc : [<804640a4>] lr : [<807da754>] psr: 60000013
sp : eb215bf8 ip : eb215c08 fp : eb215c04
r10: 00000018 r9 : 828544e8 r8 : 00000000
r7 : 00000000 r6 : 00000000 r5 : 00000000 r4 : 85a67c00
r3 : 00c00000 r2 : 0000071f r1 : 00000000 r0 : 00000000
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
Control: 30c5387d Table: 8a553240 DAC: 00000000
Register r0 information: NULL pointer
Register r1 information: NULL pointer
Register r2 information: non-paged memory
Register r3 information: non-paged memory
Register r4 information: slab kmalloc-1k start 85a67c00 pointer offset 0 size 1024
Register r5 information: NULL pointer
Register r6 information: NULL pointer
Register r7 information: NULL pointer
Register r8 information: NULL pointer
Register r9 information: non-slab/vmalloc memory
Register r10 information: non-paged memory
Register r11 information: 2-page vmalloc region starting at 0xeb214000 allocated at kernel_clone+0xac/0x424 kernel/fork.c:2909
Register r12 information: 2-page vmalloc region starting at 0xeb214000 allocated at kernel_clone+0xac/0x424 kernel/fork.c:2909
Process syz-executor.1 (pid: 22169, stack limit = 0xeb214000)
Stack: (0xeb215bf8 to 0xeb216000)
5be0: eb215c3c eb215c08
5c00: 807da754 804640a4 eb215c2c eb215ee8 8024bc7c 85a67c00 85a67c00 00000000
5c20: 00000001 00000000 00000038 00000018 eb215c8c eb215c40 813c94e0 807da668
5c40: 81345950 802dcce4 85896a00 85896ad0 89e8b600 85896ad8 eb215ee8 00000000
5c60: 00000000 89e8b600 00000038 85896a00 82e6d240 00000000 00000000 00000000
5c80: eb215cfc eb215c90 815e3418 813c93fc 00000000 00000002 eb215ca4 00000000
5ca0: 00000000 00000000 89e8b6a8 85896aec 89e8b83c eb215ed8 00000000 00000000
5cc0: 00000000 00000000 00000000 7b6cdf11 00000000 815e32c8 eb215ed8 848e3680
5ce0: 00000000 00000000 00000000 eb215d4c eb215d1c eb215d00 815e2758 815e32d4
5d00: 00000000 00000000 00000000 815e2720 eb215d3c eb215d20 81340208 815e272c
5d20: eb215ed8 848e3680 20000500 00000000 eb215dfc eb215d40 8134040c 813401c4
5d40: 00000000 00000000 00000001 00000000 00000000 00000000 00000000 00000000
5d60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5d80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5da0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5dc0: 00000000 00000000 00000000 7b6cdf11 00000000 00000000 eb215ed8 20000500
5de0: 00000000 848e3680 82e6d240 00000001 eb215e7c eb215e00 81342f58 81340388
5e00: 00000000 00000000 00000009 00000000 00000000 20000580 00000038 00000000
5e20: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5e40: 00000000 00000000 00000000 00000000 00000000 7b6cdf11 eb215e7c eb215eb8
5e60: 20000500 00000000 00000000 00000000 eb215f5c eb215e80 81343080 81342edc
5e80: 00000000 eb215e90 80889cc0 848e3680 00000001 00000000 00000000 00000000
5ea0: 00000000 00000000 00000000 00000000 00000000 00000000 00000001 ffffffff
5ec0: 000f4240 eb215ed8 eb215f24 000509e0 00000000 00000000 eb215d4c 00000000
5ee0: 00000000 00000000 00000005 00000001 00000001 20000580 00000037 00000000
5f00: 00000001 00000000 00000000 00000001 00000000 00000000 00000000 00000000
5f20: 00000000 00000000 eb215f44 7b6cdf11 8183c20c 00000003 20000500 00000000
5f40: 00000000 00000001 82e6d240 0000016d eb215fa4 eb215f60 81343a50 81342f98
5f60: 00000000 eb215fb0 00000000 00000000 00000000 00000000 eb215fac 7b6cdf11
5f80: 8020c8d0 00000000 00000000 0014c2c8 0000016d 80200288 00000000 eb215fa8
5fa0: 80200060 81343998 00000000 00000000 00000003 20000500 00000001 00000000
5fc0: 00000000 00000000 0014c2c8 0000016d 7ead532e 7ead532f 003d0f00 76bf20fc
5fe0: 76bf1f08 76bf1ef8 00016688 000509e0 60000010 00000003 00000000 00000000
Backtrace:
[<80464098>] (__kmap_local_page_prot) from [<807da754>] (kmap_local_page include/linux/highmem-internal.h:73 [inline])
[<80464098>] (__kmap_local_page_prot) from [<807da754>] (copy_page_to_iter+0xf8/0x184 lib/iov_iter.c:479)
[<807da65c>] (copy_page_to_iter) from [<813c94e0>] (sk_msg_recvmsg+0xf0/0x3cc net/core/skmsg.c:437)
r10:00000018 r9:00000038 r8:00000000 r7:00000001 r6:00000000 r5:85a67c00
r4:85a67c00
[<813c93f0>] (sk_msg_recvmsg) from [<815e3418>] (unix_bpf_recvmsg net/unix/unix_bpf.c:73 [inline])
[<813c93f0>] (sk_msg_recvmsg) from [<815e3418>] (unix_bpf_recvmsg+0x150/0x444 net/unix/unix_bpf.c:50)
r10:00000000 r9:00000000 r8:00000000 r7:82e6d240 r6:85896a00 r5:00000038
r4:89e8b600
[<815e32c8>] (unix_bpf_recvmsg) from [<815e2758>] (unix_dgram_recvmsg+0x38/0x4c net/unix/af_unix.c:2457)
r10:eb215d4c r9:00000000 r8:00000000 r7:00000000 r6:848e3680 r5:eb215ed8
r4:815e32c8
[<815e2720>] (unix_dgram_recvmsg) from [<81340208>] (sock_recvmsg_nosec net/socket.c:1027 [inline])
[<815e2720>] (unix_dgram_recvmsg) from [<81340208>] (sock_recvmsg+0x50/0x78 net/socket.c:1049)
r4:815e2720
[<813401b8>] (sock_recvmsg) from [<8134040c>] (____sys_recvmsg+0x90/0x158 net/socket.c:2760)
r7:00000000 r6:20000500 r5:848e3680 r4:eb215ed8
[<8134037c>] (____sys_recvmsg) from [<81342f58>] (___sys_recvmsg+0x88/0xbc net/socket.c:2802)
r10:00000001 r9:82e6d240 r8:848e3680 r7:00000000 r6:20000500 r5:eb215ed8
r4:00000000
[<81342ed0>] (___sys_recvmsg) from [<81343080>] (do_recvmmsg+0xf4/0x298 net/socket.c:2896)
r8:00000000 r7:00000000 r6:00000000 r5:20000500 r4:eb215eb8
[<81342f8c>] (do_recvmmsg) from [<81343a50>] (__sys_recvmmsg net/socket.c:2975 [inline])
[<81342f8c>] (do_recvmmsg) from [<81343a50>] (__do_sys_recvmmsg_time32 net/socket.c:3009 [inline])
[<81342f8c>] (do_recvmmsg) from [<81343a50>] (sys_recvmmsg_time32+0xc4/0xd8 net/socket.c:3002)
r10:0000016d r9:82e6d240 r8:00000001 r7:00000000 r6:00000000 r5:20000500
r4:00000003
[<8134398c>] (sys_recvmmsg_time32) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66)
Exception stack(0xeb215fa8 to 0xeb215ff0)
5fa0: 00000000 00000000 00000003 20000500 00000001 00000000
5fc0: 00000000 00000000 0014c2c8 0000016d 7ead532e 7ead532f 003d0f00 76bf20fc
5fe0: 76bf1f08 76bf1ef8 00016688 000509e0
r8:80200288 r7:0000016d r6:0014c2c8 r5:00000000 r4:00000000
Code: eaffffe8 e1a0c00d e92dd800 e24cb004 (e5901000)
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
0: eaffffe8 b 0xffffffa8
4: e1a0c00d mov ip, sp
8: e92dd800 push {fp, ip, lr, pc}
c: e24cb004 sub fp, ip, #4
* 10: e5901000 ldr r1, [r0] <-- trapping instruction
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the bug is already fixed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite bug's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the bug is a duplicate of another bug, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [syzbot] [mm?] BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot
2023-10-04 17:50 [syzbot] [mm?] BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot syzbot
@ 2024-01-02 11:09 ` syzbot
2024-04-16 0:36 ` [syzbot] test arm32, please syzbot
2025-07-14 13:40 ` BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot syzbot
2 siblings, 0 replies; 7+ messages in thread
From: syzbot @ 2024-01-02 11:09 UTC (permalink / raw)
To: akpm, linux-kernel, linux-mm, syzkaller-bugs
syzbot has found a reproducer for the following issue on:
HEAD commit: 610a9b8f49fb Linux 6.7-rc8
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=101fdde9e80000
kernel config: https://syzkaller.appspot.com/x/.config?x=c1d9baf5d2241e14
dashboard link: https://syzkaller.appspot.com/bug?extid=b18872ea9631b5dcef3b
compiler: arm-linux-gnueabi-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17a75c19e80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1507d95ee80000
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/8ead8862021c/non_bootable_disk-610a9b8f.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/5dcc5fecebbd/vmlinux-610a9b8f.xz
kernel image: https://storage.googleapis.com/syzbot-assets/ac6cb620d377/zImage-610a9b8f.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b18872ea9631b5dcef3b@syzkaller.appspotmail.com
8<--- cut here ---
Unable to handle kernel NULL pointer dereference at virtual address 00000000 when read
[00000000] *pgd=843b7003, *pmd=fe1bc003
Internal error: Oops: 207 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 0 PID: 2985 Comm: syz-executor305 Not tainted 6.7.0-rc8-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at page_zonenum include/linux/mmzone.h:1109 [inline]
PC is at __kmap_local_page_prot+0xc/0x74 mm/highmem.c:573
LR is at kmap_local_page include/linux/highmem-internal.h:73 [inline]
LR is at copy_page_to_iter+0xf8/0x184 lib/iov_iter.c:379
pc : [<8046aab0>] lr : [<807e0b68>] psr: 60000013
sp : df959c20 ip : df959c30 fp : df959c2c
r10: 00000018 r9 : 828574e8 r8 : 00000000
r7 : 00000000 r6 : 00000000 r5 : 00000000 r4 : 8455ec00
r3 : 00c00000 r2 : 0000071f r1 : 00000000 r0 : 00000000
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control: 30c5387d Table: 8433f6c0 DAC: fffffffd
Register r0 information: NULL pointer
Register r1 information: NULL pointer
Register r2 information: non-paged memory
Register r3 information: non-paged memory
Register r4 information: slab kmalloc-1k start 8455ec00 pointer offset 0 size 1024
Register r5 information: NULL pointer
Register r6 information: NULL pointer
Register r7 information: NULL pointer
Register r8 information: NULL pointer
Register r9 information: non-slab/vmalloc memory
Register r10 information: non-paged memory
Register r11 information: 2-page vmalloc region starting at 0xdf958000 allocated at kernel_clone+0xac/0x41c kernel/fork.c:2907
Register r12 information: 2-page vmalloc region starting at 0xdf958000 allocated at kernel_clone+0xac/0x41c kernel/fork.c:2907
Process syz-executor305 (pid: 2985, stack limit = 0xdf958000)
Stack: (0xdf959c20 to 0xdf95a000)
9c20: df959c64 df959c30 807e0b68 8046aab0 df959c54 df959ef0 8024c5d8 8455ec00
9c40: 8455ec00 00000000 00000000 00000000 00000041 00000018 df959cb4 df959c68
9c60: 813da83c 807e0a7c 00000000 8423cd40 83a75600 83a756d0 83eaf300 83a756d8
9c80: df959ef0 00000000 806d5054 83eaf300 00000041 83a75600 82e96000 00000000
9ca0: 00000000 00000000 df959d24 df959cb8 815f77dc 813da758 00000000 df959ee0
9cc0: 00000000 00000000 00000000 00000000 83eaf3a8 83a756ec 83eaf53c df959ee0
9ce0: df959ee0 830a6780 00000000 00000000 00000000 97d26d6f df959d24 815f768c
9d00: 830a6780 20000d60 815f6ae4 00000000 00000000 df959d54 df959d44 df959d28
9d20: 815f6b1c 815f7698 00000000 830a6780 20000d40 df959ee0 df959e04 df959d48
9d40: 8134fd4c 815f6af0 00000000 00000000 00000001 00000000 00000000 00000000
9d60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9d80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9da0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9dc0: 00000000 00000000 00000000 00000000 00000000 97d26d6f 00000000 00000000
9de0: df959ee0 20000d60 00000000 830a6780 82e96000 00000002 df959e84 df959e08
9e00: 81352bdc 8134fc24 00000000 00000001 00000000 00000000 00000000 20000500
9e20: 00000041 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9e40: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 97d26d6f
9e60: df959e84 df959ec0 20000d60 00000001 00000000 00000000 df959f5c df959e88
9e80: 81352d04 81352b60 00000001 df959e98 8089202c 830a6780 00000000 00000000
9ea0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9ec0: 00000000 00000000 0002eb00 00000000 00000000 00000000 2f2e0001 656c6966
9ee0: df959d54 00000000 00000000 00000000 00000000 00000000 20000500 00000041
9f00: 00000001 00000000 00000000 00000001 00000000 00000000 00000000 00000000
9f20: 00000000 00000000 00000176 97d26d6f 82e96000 00000003 20000d40 00000000
9f40: 00000000 00000002 82e96000 0000016d df959fa4 df959f60 813536d4 81352c1c
9f60: 00000000 ffffffff 00000000 00000000 00000000 00000000 82e96000 97d26d6f
9f80: df959fa4 00000000 00000000 0008e060 0000016d 80200288 00000000 df959fa8
9fa0: 80200060 8135361c 00000000 00000000 00000003 20000d40 00000002 00000000
9fc0: 00000000 00000000 0008e060 0000016d 0007107c 00000000 00000001 20000100
9fe0: 7ebf3c70 7ebf3c60 0001094c 0002eb00 00000010 00000003 00000000 00000000
Backtrace:
[<8046aaa4>] (__kmap_local_page_prot) from [<807e0b68>] (kmap_local_page include/linux/highmem-internal.h:73 [inline])
[<8046aaa4>] (__kmap_local_page_prot) from [<807e0b68>] (copy_page_to_iter+0xf8/0x184 lib/iov_iter.c:379)
[<807e0a70>] (copy_page_to_iter) from [<813da83c>] (sk_msg_recvmsg+0xf0/0x3cc net/core/skmsg.c:437)
r10:00000018 r9:00000041 r8:00000000 r7:00000000 r6:00000000 r5:8455ec00
r4:8455ec00
[<813da74c>] (sk_msg_recvmsg) from [<815f77dc>] (unix_bpf_recvmsg net/unix/unix_bpf.c:73 [inline])
[<813da74c>] (sk_msg_recvmsg) from [<815f77dc>] (unix_bpf_recvmsg+0x150/0x444 net/unix/unix_bpf.c:50)
r10:00000000 r9:00000000 r8:00000000 r7:82e96000 r6:83a75600 r5:00000041
r4:83eaf300
[<815f768c>] (unix_bpf_recvmsg) from [<815f6b1c>] (unix_dgram_recvmsg+0x38/0x4c net/unix/af_unix.c:2483)
r10:df959d54 r9:00000000 r8:00000000 r7:815f6ae4 r6:20000d60 r5:830a6780
r4:815f768c
[<815f6ae4>] (unix_dgram_recvmsg) from [<8134fd4c>] (sock_recvmsg_nosec net/socket.c:1044 [inline])
[<815f6ae4>] (unix_dgram_recvmsg) from [<8134fd4c>] (____sys_recvmsg+0x134/0x158 net/socket.c:2801)
r4:df959ee0
[<8134fc18>] (____sys_recvmsg) from [<81352bdc>] (___sys_recvmsg+0x88/0xbc net/socket.c:2845)
r10:00000002 r9:82e96000 r8:830a6780 r7:00000000 r6:20000d60 r5:df959ee0
r4:00000000
[<81352b54>] (___sys_recvmsg) from [<81352d04>] (do_recvmmsg+0xf4/0x298 net/socket.c:2939)
r8:00000000 r7:00000000 r6:00000001 r5:20000d60 r4:df959ec0
[<81352c10>] (do_recvmmsg) from [<813536d4>] (__sys_recvmmsg net/socket.c:3018 [inline])
[<81352c10>] (do_recvmmsg) from [<813536d4>] (__do_sys_recvmmsg_time32 net/socket.c:3052 [inline])
[<81352c10>] (do_recvmmsg) from [<813536d4>] (sys_recvmmsg_time32+0xc4/0xd8 net/socket.c:3045)
r10:0000016d r9:82e96000 r8:00000002 r7:00000000 r6:00000000 r5:20000d40
r4:00000003
[<81353610>] (sys_recvmmsg_time32) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66)
Exception stack(0xdf959fa8 to 0xdf959ff0)
9fa0: 00000000 00000000 00000003 20000d40 00000002 00000000
9fc0: 00000000 00000000 0008e060 0000016d 0007107c 00000000 00000001 20000100
9fe0: 7ebf3c70 7ebf3c60 0001094c 0002eb00
r8:80200288 r7:0000016d r6:0008e060 r5:00000000 r4:00000000
Code: eaffffe8 e1a0c00d e92dd800 e24cb004 (e5901000)
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
0: eaffffe8 b 0xffffffa8
4: e1a0c00d mov ip, sp
8: e92dd800 push {fp, ip, lr, pc}
c: e24cb004 sub fp, ip, #4
* 10: e5901000 ldr r1, [r0] <-- trapping instruction
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [syzbot] test arm32, please
2023-10-04 17:50 [syzbot] [mm?] BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot syzbot
2024-01-02 11:09 ` syzbot
@ 2024-04-16 0:36 ` syzbot
2025-07-14 13:40 ` BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot syzbot
2 siblings, 0 replies; 7+ messages in thread
From: syzbot @ 2024-04-16 0:36 UTC (permalink / raw)
To: linux-kernel
For archival purposes, forwarding an incoming command email to
linux-kernel@vger.kernel.org.
***
Subject: test arm32, please
Author: andrew.kanner@gmail.com
#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
--
Andrew Kanner
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [syzbot] [mm?] BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot
[not found] <661dc810.050a0220.c9289.5241@mx.google.com>
@ 2024-04-16 0:44 ` syzbot
0 siblings, 0 replies; 7+ messages in thread
From: syzbot @ 2024-04-16 0:44 UTC (permalink / raw)
To: andrew.kanner, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot
8<--- cut here ---
Unable to handle kernel NULL pointer dereference at virtual address 00000000 when read
[00000000] *pgd=84743003, *pmd=fe6cd003
Internal error: Oops: 207 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 0 PID: 3935 Comm: syz-executor.0 Not tainted 6.9.0-rc4-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at page_zonenum include/linux/mmzone.h:1100 [inline]
PC is at __kmap_local_page_prot+0xc/0x74 mm/highmem.c:573
LR is at kmap_local_page include/linux/highmem-internal.h:73 [inline]
LR is at copy_page_to_iter+0xf8/0x184 lib/iov_iter.c:360
pc : [<80479ea8>] lr : [<807e997c>] psr: 60000013
sp : df9f5ca0 ip : df9f5cb0 fp : df9f5cac
r10: 00000018 r9 : 8285a4e8 r8 : 00000000
r7 : 00000000 r6 : 00000000 r5 : 00000000 r4 : 8489a400
r3 : 00c00000 r2 : 0000071f r1 : 00000000 r0 : 00000000
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control: 30c5387d Table: 848db4c0 DAC: fffffffd
Register r0 information: NULL pointer
Register r1 information: NULL pointer
Register r2 information: non-paged memory
Register r3 information: non-paged memory
Register r4 information: slab kmalloc-1k start 8489a400 pointer offset 0 size 1024
Register r5 information: NULL pointer
Register r6 information: NULL pointer
Register r7 information: NULL pointer
Register r8 information: NULL pointer
Register r9 information: non-slab/vmalloc memory
Register r10 information: non-paged memory
Register r11 information: 2-page vmalloc region starting at 0xdf9f4000 allocated at kernel_clone+0xac/0x3cc kernel/fork.c:2796
Register r12 information: 2-page vmalloc region starting at 0xdf9f4000 allocated at kernel_clone+0xac/0x3cc kernel/fork.c:2796
Process syz-executor.0 (pid: 3935, stack limit = 0xdf9f4000)
Stack: (0xdf9f5ca0 to 0xdf9f6000)
5ca0: df9f5ce4 df9f5cb0 807e997c 80479ea8 df9f5cd4 df9f5f48 8024c880 8489a400
5cc0: 8489a400 00000000 00000000 00000000 000000d4 00000018 df9f5d34 df9f5ce8
5ce0: 814333f4 807e9890 00000000 6ddd6be4 83fffc00 83fffcd0 83dea700 83fffcd8
5d00: df9f5f48 00000000 df9f5d8c 83dea700 000000d4 83fffc00 8410b000 00000000
5d20: 00000000 00000000 df9f5da4 df9f5d38 816560a8 81433310 00000000 00000000
5d40: 00000000 00000000 00000000 00000000 83dea788 83fffcec 83dea934 df9f5f38
5d60: 00000000 6ddd6be4 818c33d0 821a9848 00000000 6ddd6be4 df9f5f38 81655f58
5d80: df9f5f38 83372780 00000000 00000000 00000000 df9f5df4 df9f5dc4 df9f5da8
5da0: 81655124 81655f64 00000000 00000000 00000000 816550ec df9f5de4 df9f5dc8
5dc0: 813a29d4 816550f8 df9f5f38 83372780 200001c0 00000000 df9f5ea4 df9f5de8
5de0: 813a2bd4 813a2990 00000000 00000000 00000001 00000000 00000000 00000000
5e00: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5e20: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5e40: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5e60: 00000000 00000000 00000000 00000000 00000000 6ddd6be4 00000000 00000000
5e80: df9f5f38 200001c0 00000000 83372780 8410b000 00000129 df9f5f24 df9f5ea8
5ea0: 813a5b18 813a2b50 00000000 00000000 00000008 00000000 00000000 20000280
5ec0: 000000d4 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5ee0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 6ddd6be4
5f00: df9f5f24 83372780 00000000 200001c0 00000000 80200288 df9f5fa4 df9f5f28
5f20: 813a6294 813a5a9c 00000000 df9f5f38 00000001 fffffff7 df9f5df4 00000000
5f40: 00000000 00000000 00000000 00000000 20000280 000000d4 00000001 00000000
5f60: 00000000 00000001 00000000 00000000 00000000 00000000 00000000 00000000
5f80: 8020ca6c 6ddd6be4 00000000 00000000 0014c2c8 00000129 00000000 df9f5fa8
5fa0: 80200060 813a622c 00000000 00000000 00000003 200001c0 00000000 00000000
5fc0: 00000000 00000000 0014c2c8 00000129 7ee5432e 7ee5432f 003d0f00 76b1d0fc
5fe0: 76b1cf08 76b1cef8 000168a0 00050c70 60000010 00000003 00000000 00000000
Call trace:
[<80479e9c>] (__kmap_local_page_prot) from [<807e997c>] (kmap_local_page include/linux/highmem-internal.h:73 [inline])
[<80479e9c>] (__kmap_local_page_prot) from [<807e997c>] (copy_page_to_iter+0xf8/0x184 lib/iov_iter.c:360)
[<807e9884>] (copy_page_to_iter) from [<814333f4>] (sk_msg_recvmsg+0xf0/0x3cc net/core/skmsg.c:437)
r10:00000018 r9:000000d4 r8:00000000 r7:00000000 r6:00000000 r5:8489a400
r4:8489a400
[<81433304>] (sk_msg_recvmsg) from [<816560a8>] (unix_bpf_recvmsg net/unix/unix_bpf.c:73 [inline])
[<81433304>] (sk_msg_recvmsg) from [<816560a8>] (unix_bpf_recvmsg+0x150/0x444 net/unix/unix_bpf.c:50)
r10:00000000 r9:00000000 r8:00000000 r7:8410b000 r6:83fffc00 r5:000000d4
r4:83dea700
[<81655f58>] (unix_bpf_recvmsg) from [<81655124>] (unix_dgram_recvmsg+0x38/0x4c net/unix/af_unix.c:2529)
r10:df9f5df4 r9:00000000 r8:00000000 r7:00000000 r6:83372780 r5:df9f5f38
r4:81655f58
[<816550ec>] (unix_dgram_recvmsg) from [<813a29d4>] (sock_recvmsg_nosec net/socket.c:1046 [inline])
[<816550ec>] (unix_dgram_recvmsg) from [<813a29d4>] (sock_recvmsg+0x50/0x78 net/socket.c:1068)
r4:816550ec
[<813a2984>] (sock_recvmsg) from [<813a2bd4>] (____sys_recvmsg+0x90/0x158 net/socket.c:2803)
r7:00000000 r6:200001c0 r5:83372780 r4:df9f5f38
[<813a2b44>] (____sys_recvmsg) from [<813a5b18>] (___sys_recvmsg+0x88/0xbc net/socket.c:2845)
r10:00000129 r9:8410b000 r8:83372780 r7:00000000 r6:200001c0 r5:df9f5f38
r4:00000000
[<813a5a90>] (___sys_recvmsg) from [<813a6294>] (__sys_recvmsg net/socket.c:2875 [inline])
[<813a5a90>] (___sys_recvmsg) from [<813a6294>] (__do_sys_recvmsg net/socket.c:2885 [inline])
[<813a5a90>] (___sys_recvmsg) from [<813a6294>] (sys_recvmsg+0x74/0xb8 net/socket.c:2882)
r8:80200288 r7:00000000 r6:200001c0 r5:00000000 r4:83372780
[<813a6220>] (sys_recvmsg) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66)
Exception stack(0xdf9f5fa8 to 0xdf9f5ff0)
5fa0: 00000000 00000000 00000003 200001c0 00000000 00000000
5fc0: 00000000 00000000 0014c2c8 00000129 7ee5432e 7ee5432f 003d0f00 76b1d0fc
5fe0: 76b1cf08 76b1cef8 000168a0 00050c70
r7:00000129 r6:0014c2c8 r5:00000000 r4:00000000
Code: eaffffe8 e1a0c00d e92dd800 e24cb004 (e5901000)
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
0: eaffffe8 b 0xffffffa8
4: e1a0c00d mov ip, sp
8: e92dd800 push {fp, ip, lr, pc}
c: e24cb004 sub fp, ip, #4
* 10: e5901000 ldr r1, [r0] <-- trapping instruction
Tested on:
commit: 96fca68c Merge tag 'nfsd-6.9-3' of git://git.kernel.or..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1250f567180000
kernel config: https://syzkaller.appspot.com/x/.config?x=121101cdbf9c4dc2
dashboard link: https://syzkaller.appspot.com/bug?extid=b18872ea9631b5dcef3b
compiler: arm-linux-gnueabi-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm
Note: no patches were applied.
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot
2023-10-04 17:50 [syzbot] [mm?] BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot syzbot
2024-01-02 11:09 ` syzbot
2024-04-16 0:36 ` [syzbot] test arm32, please syzbot
@ 2025-07-14 13:40 ` syzbot
2 siblings, 0 replies; 7+ messages in thread
From: syzbot @ 2025-07-14 13:40 UTC (permalink / raw)
To: linux-kernel
For archival purposes, forwarding an incoming command email to
linux-kernel@vger.kernel.org.
***
Subject: BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot
Author: pranav.tyagi03@gmail.com
#syz test
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [syzbot] [mm?] BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot
[not found] <CAH4c4jJvtLx6=uQeNGn6ndf9OQgYRzAV_0szcpBJzyTAOZXKGA@mail.gmail.com>
@ 2025-07-14 13:57 ` syzbot
2025-07-14 14:52 ` Pranav Tyagi
0 siblings, 1 reply; 7+ messages in thread
From: syzbot @ 2025-07-14 13:57 UTC (permalink / raw)
To: linux-kernel, pranav.tyagi03, syzkaller-bugs
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
INFO: task hung in _vm_unmap_aliases
INFO: task kworker/0:0:9 blocked for more than 430 seconds.
Not tainted 6.16.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0 state:D stack:0 pid:9 tgid:9 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
[<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
r10:82718544 r9:df83dd84 r8:00000002 r7:60000013 r6:df83dd8c r5:82e36000
r4:82e36000
[<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
r5:82e36000 r4:82718540
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
[<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df83de08
r4:00000000
[<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
[<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84692a40
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18005 r8:82e36000 r7:00000000 r6:82c18000 r5:00001000 r4:7f02b000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfa4b000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:8416af8c r4:8416ac00
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:dddced40 r6:82c18000 r5:8416af8c r4:82cb7400
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:82e36000 r8:82cb742c r7:82604d40 r6:dddced40 r5:dddced60
r4:82cb7400
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:82cb7400 r8:8027e8dc r7:df819e48 r6:82cb7480 r5:82e36000
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf83dfb0 to 0xdf83dff8)
dfa0: 00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:82cb6180
INFO: task kworker/0:0:9 is blocked on a mutex likely owned by task kworker/1:66:4095.
task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
r4:00000000
[<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
Exception stack(0xdfd61d20 to 0xdfd61d68)
1d20: e929f000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
1d60: 80000013 ffffffff
r5:80000013 r4:80239a90
[<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
r4:828b51e4
[<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
r4:dfd61dc0
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfdcb000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:84185b8c r4:84185800
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
r4:84d41f00
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd61fb0 to 0xdfd61ff8)
1fa0: 00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:84ebc6c0
INFO: task kworker/1:1:43 blocked for more than 430 seconds.
Not tainted 6.16.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1 state:D stack:0 pid:43 tgid:43 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
[<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
r10:82718544 r9:df911d84 r8:00000002 r7:60000013 r6:df911d8c r5:82f48c00
r4:82f48c00
[<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
r5:82f48c00 r4:82718540
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
[<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df911e08
r4:00000000
[<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
[<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84eaff80
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18205 r8:82f48c00 r7:00000000 r6:82c18200 r5:00001000 r4:7f029000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfa01000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:84f20b8c r4:84f20800
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:ddde2d40 r6:82c18200 r5:84f20b8c r4:82fbb000
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:82f48c00 r8:82fbb02c r7:82604d40 r6:ddde2d40 r5:ddde2d60
r4:82fbb000
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:82fbb000 r8:8027e8dc r7:df879e60 r6:82fbb080 r5:82f48c00
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf911fb0 to 0xdf911ff8)
1fa0: 00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:82fa9f00
INFO: task kworker/1:1:43 is blocked on a mutex likely owned by task kworker/1:66:4095.
task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
r4:00000000
[<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
Exception stack(0xdfd61d20 to 0xdfd61d68)
1d20: ea606000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
1d60: 80000013 ffffffff
r5:80000013 r4:80239a90
[<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
r4:828b51e4
[<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
r4:dfd61dc0
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfdcb000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:84185b8c r4:84185800
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
r4:84d41f00
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd61fb0 to 0xdfd61ff8)
1fa0: 00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:84ebc6c0
INFO: task kworker/1:2:44 blocked for more than 430 seconds.
Not tainted 6.16.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2 state:D stack:0 pid:44 tgid:44 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
[<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
r10:82718544 r9:df915d84 r8:00000002 r7:60000113 r6:df915d8c r5:82f49800
r4:82f49800
[<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
r5:82f49800 r4:82718540
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
[<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df915e08
r4:00000000
[<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
[<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ebc440
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18205 r8:82f49800 r7:00000000 r6:82c18200 r5:00001000 r4:7f00b000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dff73000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:84e9b78c r4:84e9b400
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:ddde2d40 r6:82c18200 r5:84e9b78c r4:82fbb200
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:82f49800 r8:82fbb22c r7:82604d40 r6:ddde2d40 r5:ddde2d60
r4:82fbb200
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:82fbb200 r8:8027e8dc r7:df911e60 r6:82fbb400 r5:82f49800
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf915fb0 to 0xdf915ff8)
5fa0: 00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:82fbc100
INFO: task kworker/1:2:44 is blocked on a mutex likely owned by task kworker/1:66:4095.
task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
r4:00000000
[<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
Exception stack(0xdfd61d20 to 0xdfd61d68)
1d20: ea78b000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
1d60: 80000013 ffffffff
r5:80000013 r4:80239a90
[<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
r4:828b51e4
[<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
r4:dfd61dc0
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfdcb000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:84185b8c r4:84185800
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
r4:84d41f00
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd61fb0 to 0xdfd61ff8)
1fa0: 00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:84ebc6c0
INFO: task kworker/0:5:3828 blocked for more than 430 seconds.
Not tainted 6.16.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:5 state:D stack:0 pid:3828 tgid:3828 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
[<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
r10:82718544 r9:dfdd5d84 r8:00000002 r7:60000013 r6:dfdd5d8c r5:84dea400
r4:84dea400
[<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
r5:84dea400 r4:82718540
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
[<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfdd5e08
r4:00000000
[<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
[<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d99140
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18005 r8:84dea400 r7:00000000 r6:82c18000 r5:00001000 r4:7f029000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfa32000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:84ce7f8c r4:84ce7c00
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:dddced40 r6:82c18000 r5:84ce7f8c r4:84689700
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:84dea400 r8:8468972c r7:82604d40 r6:dddced40 r5:dddced60
r4:84689700
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:84689700 r8:8027e8dc r7:eb8e9e60 r6:84689c00 r5:84dea400
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfdd5fb0 to 0xdfdd5ff8)
5fa0: 00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:84d849c0
INFO: task kworker/0:5:3828 is blocked on a mutex likely owned by task kworker/1:66:4095.
task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
r4:00000000
[<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
Exception stack(0xdfd61d20 to 0xdfd61d68)
1d20: eb094000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
1d60: 80000013 ffffffff
r5:80000013 r4:80239a90
[<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
r4:828b51e4
[<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
r4:dfd61dc0
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfdcb000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:84185b8c r4:84185800
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
r4:84d41f00
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd61fb0 to 0xdfd61ff8)
1fa0: 00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:84ebc6c0
INFO: task kworker/0:35:4078 blocked for more than 430 seconds.
Not tainted 6.16.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:35 state:D stack:0 pid:4078 tgid:4078 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
[<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
r10:82718544 r9:dfc2dd84 r8:00000002 r7:60000013 r6:dfc2dd8c r5:84e5ec00
r4:84e5ec00
[<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
r5:84e5ec00 r4:82718540
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
[<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc2de08
r4:00000000
[<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
[<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ebe2c0
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18005 r8:84e5ec00 r7:00000000 r6:82c18000 r5:00001000 r4:7f04b000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfbc3000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:84e9a38c r4:84e9a000
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:dddced40 r6:82c18000 r5:84e9a38c r4:84eb8480
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:84e5ec00 r8:84eb84ac r7:82604d40 r6:dddced40 r5:dddced60
r4:84eb8480
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:84eb8480 r8:8027e8dc r7:dfaa5e60 r6:84d41880 r5:84e5ec00
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfc2dfb0 to 0xdfc2dff8)
dfa0: 00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:84eb9ec0
INFO: task kworker/0:35:4078 is blocked on a mutex likely owned by task kworker/1:66:4095.
task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
r4:00000000
[<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
Exception stack(0xdfd61d20 to 0xdfd61d68)
1d20: eb094000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
1d60: 80000013 ffffffff
r5:80000013 r4:80239a90
[<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
r4:828b51e4
[<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
r4:dfd61dc0
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfdcb000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:84185b8c r4:84185800
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
r4:84d41f00
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd61fb0 to 0xdfd61ff8)
1fa0: 00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:84ebc6c0
INFO: task kworker/1:67:4097 blocked for more than 430 seconds.
Not tainted 6.16.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:67 state:D stack:0 pid:4097 tgid:4097 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
[<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
r10:82718544 r9:dfd79d84 r8:00000002 r7:60000013 r6:dfd79d8c r5:834a8000
r4:834a8000
[<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
r5:834a8000 r4:82718540
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
[<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd79e08
r4:00000000
[<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
[<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84eae040
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18205 r8:834a8000 r7:00000000 r6:82c18200 r5:00001000 r4:7f063000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfe4f000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:8418678c r4:84186400
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:ddde2d40 r6:82c18200 r5:8418678c r4:84d41f80
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:834a8000 r8:84d41fac r7:82604d40 r6:ddde2d40 r5:ddde2d60
r4:84d41f80
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:84d41f80 r8:8027e8dc r7:dfd55e60 r6:84eb8980 r5:834a8000
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd79fb0 to 0xdfd79ff8)
9fa0: 00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:84ebcc40
INFO: task kworker/1:67:4097 is blocked on a mutex likely owned by task kworker/1:66:4095.
task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
r4:00000000
[<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
Exception stack(0xdfd61d20 to 0xdfd61d68)
1d20: eb48c000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
1d60: 80000013 ffffffff
r5:80000013 r4:80239a90
[<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
r4:828b51e4
[<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
r4:dfd61dc0
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfdcb000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:84185b8c r4:84185800
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
r4:84d41f00
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd61fb0 to 0xdfd61ff8)
1fa0: 00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:84ebc6c0
INFO: task kworker/1:69:4104 blocked for more than 430 seconds.
Not tainted 6.16.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:69 state:D stack:0 pid:4104 tgid:4104 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
[<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
r10:82718544 r9:dfe59d84 r8:00000002 r7:60000013 r6:dfe59d8c r5:84e12400
r4:84e12400
[<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
r5:84e12400 r4:82718540
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
[<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfe59e08
r4:00000000
[<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
[<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ebc380
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18205 r8:84e12400 r7:00000000 r6:82c18200 r5:00001000 r4:7f061000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfe3d000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:8418638c r4:84186000
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:ddde2d40 r6:82c18200 r5:8418638c r4:84d41480
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:84e12400 r8:84d414ac r7:82604d40 r6:ddde2d40 r5:ddde2d60
r4:84d41480
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:84d41480 r8:8027e8dc r7:dfd79e60 r6:84eb8880 r5:84e12400
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe59fb0 to 0xdfe59ff8)
9fa0: 00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:84ebc440
INFO: task kworker/1:69:4104 is blocked on a mutex likely owned by task kworker/1:66:4095.
task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
r4:00000000
[<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
Exception stack(0xdfd61d20 to 0xdfd61d68)
1d20: eb48c000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
1d60: 80000013 ffffffff
r5:80000013 r4:80239a90
[<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
r4:828b51e4
[<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
r4:dfd61dc0
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfdcb000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:84185b8c r4:84185800
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
r4:84d41f00
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd61fb0 to 0xdfd61ff8)
1fa0: 00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:84ebc6c0
INFO: task kworker/1:70:4105 blocked for more than 430 seconds.
Not tainted 6.16.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:70 state:D stack:0 pid:4105 tgid:4105 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
[<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
r10:82718544 r9:dfe69d84 r8:00000002 r7:60000113 r6:dfe69d8c r5:84e13000
r4:84e13000
[<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
r5:84e13000 r4:82718540
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
[<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfe69e08
r4:00000000
[<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
[<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84eae500
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18205 r8:84e13000 r7:00000000 r6:82c18200 r5:00001000 r4:7f065000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfe95000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:84186b8c r4:84186800
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:ddde2d40 r6:82c18200 r5:84186b8c r4:84d40000
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:84e13000 r8:84d4002c r7:82604d40 r6:ddde2d40 r5:ddde2d60
r4:84d40000
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:84d40000 r8:8027e8dc r7:dfd79e60 r6:84eb8a00 r5:84e13000
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
9fa0: 00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:84eae0c0
INFO: task kworker/1:70:4105 is blocked on a mutex likely owned by task kworker/1:66:4095.
task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
r4:00000000
[<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
Exception stack(0xdfd61d20 to 0xdfd61d68)
1d20: eb72c000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
1d60: 80000013 ffffffff
r5:80000013 r4:80239a90
[<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
r4:828b51e4
[<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
r4:dfd61dc0
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfdcb000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:84185b8c r4:84185800
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
r4:84d41f00
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd61fb0 to 0xdfd61ff8)
1fa0: 00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:84ebc6c0
INFO: task kworker/1:71:4107 blocked for more than 430 seconds.
Not tainted 6.16.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:71 state:D stack:0 pid:4107 tgid:4107 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
[<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
r10:82718544 r9:dfd7dd84 r8:00000002 r7:60000013 r6:dfd7dd8c r5:84e11800
r4:84e11800
[<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
r5:84e11800 r4:82718540
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
[<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd7de08
r4:00000000
[<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
[<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84eaeb00
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18205 r8:84e11800 r7:00000000 r6:82c18200 r5:00001000 r4:7f06b000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfeed000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:8418778c r4:84187400
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:ddde2d40 r6:82c18200 r5:8418778c r4:84d40080
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:84e11800 r8:84d400ac r7:82604d40 r6:ddde2d40 r5:ddde2d60
r4:84d40080
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:84d40080 r8:8027e8dc r7:dfe69e60 r6:84eb8b00 r5:84e11800
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd7dfb0 to 0xdfd7dff8)
dfa0: 00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:84eae3c0
INFO: task kworker/1:71:4107 is blocked on a mutex likely owned by task kworker/1:66:4095.
task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
r4:00000000
[<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
Exception stack(0xdfd61d20 to 0xdfd61d68)
1d20: eba55000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
1d60: 80000013 ffffffff
r5:80000013 r4:80239a90
[<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
r4:828b51e4
[<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
r4:dfd61dc0
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfdcb000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:84185b8c r4:84185800
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
r4:84d41f00
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd61fb0 to 0xdfd61ff8)
1fa0: 00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:84ebc6c0
INFO: task kworker/1:72:4109 blocked for more than 430 seconds.
Not tainted 6.16.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:72 state:D stack:0 pid:4109 tgid:4109 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
[<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
r10:82718544 r9:dfebdd84 r8:00000002 r7:60000113 r6:dfebdd8c r5:84e14800
r4:84e14800
[<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
r5:84e14800 r4:82718540
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
[<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfebde08
r4:00000000
[<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
[<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84eae780
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18205 r8:84e14800 r7:00000000 r6:82c18200 r5:00001000 r4:7f067000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfea7000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:84186f8c r4:84186c00
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:ddde2d40 r6:82c18200 r5:84186f8c r4:84d40180
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:84e14800 r8:84d401ac r7:82604d40 r6:ddde2d40 r5:ddde2d60
r4:84d40180
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:84d40180 r8:8027e8dc r7:dfd7de60 r6:84eb8a80 r5:84e14800
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfebdfb0 to 0xdfebdff8)
dfa0: 00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:84eae840
INFO: task kworker/1:72:4109 is blocked on a mutex likely owned by task kworker/1:66:4095.
task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
r4:00000000
[<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
Exception stack(0xdfd61d20 to 0xdfd61d68)
1d20: ebea6000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
1d60: 80000013 ffffffff
r5:80000013 r4:80239a90
[<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
r4:828b51e4
[<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
r4:dfd61dc0
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
r4:00000000
[<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
[<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
r5:00001000 r4:dfdcb000
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
[<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
[<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
r5:84185b8c r4:84185800
[<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
[<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
r4:84d41f00
[<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
r4:00000001
[<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd61fb0 to 0xdfd61ff8)
1fa0: 00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
r4:84ebc6c0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:73:4110 blocked for more than 430 seconds.
Not tainted 6.16.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:73 state:D stack:0 pid:4110 tgid:4110 ppid:2 task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace:
[<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
[<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
r10:82718544 r9:dfec1d84 r8:00000002 r7:60000013 r6:dfec1d8c r5:84e15400
r4:84e15400
[<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
r5:84e15400 r4:82718540
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
[<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
r10:8260c960 r9:00000001 r8
Tested on:
commit: 347e9f50 Linux 6.16-rc6
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=13ba7d82580000
kernel config: https://syzkaller.appspot.com/x/.config?x=796037e82809246d
dashboard link: https://syzkaller.appspot.com/bug?extid=b18872ea9631b5dcef3b
compiler: arm-linux-gnueabi-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm
patch: https://syzkaller.appspot.com/x/patch.diff?x=153547d4580000
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [syzbot] [mm?] BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot
2025-07-14 13:57 ` syzbot
@ 2025-07-14 14:52 ` Pranav Tyagi
0 siblings, 0 replies; 7+ messages in thread
From: Pranav Tyagi @ 2025-07-14 14:52 UTC (permalink / raw)
To: syzbot; +Cc: linux-kernel, syzkaller-bugs
On Mon, Jul 14, 2025 at 7:30 PM syzbot
<syzbot+b18872ea9631b5dcef3b@syzkaller.appspotmail.com> wrote:
>
> Hello,
>
> syzbot has tested the proposed patch but the reproducer is still triggering an issue:
> INFO: task hung in _vm_unmap_aliases
>
> INFO: task kworker/0:0:9 blocked for more than 430 seconds.
> Not tainted 6.16.0-rc6-syzkaller #0
> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> task:kworker/0:0 state:D stack:0 pid:9 tgid:9 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
> [<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
> r10:82718544 r9:df83dd84 r8:00000002 r7:60000013 r6:df83dd8c r5:82e36000
> r4:82e36000
> [<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
> r5:82e36000 r4:82718540
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
> [<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
> r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df83de08
> r4:00000000
> [<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
> [<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84692a40
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18005 r8:82e36000 r7:00000000 r6:82c18000 r5:00001000 r4:7f02b000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfa4b000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:8416af8c r4:8416ac00
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:dddced40 r6:82c18000 r5:8416af8c r4:82cb7400
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:82e36000 r8:82cb742c r7:82604d40 r6:dddced40 r5:dddced60
> r4:82cb7400
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:82cb7400 r8:8027e8dc r7:df819e48 r6:82cb7480 r5:82e36000
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdf83dfb0 to 0xdf83dff8)
> dfa0: 00000000 00000000 00000000 00000000
> dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:82cb6180
> INFO: task kworker/0:0:9 is blocked on a mutex likely owned by task kworker/1:66:4095.
> task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
> r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
> r4:00000000
> [<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
> Exception stack(0xdfd61d20 to 0xdfd61d68)
> 1d20: e929f000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
> 1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
> 1d60: 80000013 ffffffff
> r5:80000013 r4:80239a90
> [<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
> r4:828b51e4
> [<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
> r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
> r4:dfd61dc0
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfdcb000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:84185b8c r4:84185800
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
> r4:84d41f00
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdfd61fb0 to 0xdfd61ff8)
> 1fa0: 00000000 00000000 00000000 00000000
> 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:84ebc6c0
> INFO: task kworker/1:1:43 blocked for more than 430 seconds.
> Not tainted 6.16.0-rc6-syzkaller #0
> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> task:kworker/1:1 state:D stack:0 pid:43 tgid:43 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
> [<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
> r10:82718544 r9:df911d84 r8:00000002 r7:60000013 r6:df911d8c r5:82f48c00
> r4:82f48c00
> [<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
> r5:82f48c00 r4:82718540
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
> [<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
> r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df911e08
> r4:00000000
> [<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
> [<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84eaff80
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18205 r8:82f48c00 r7:00000000 r6:82c18200 r5:00001000 r4:7f029000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfa01000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:84f20b8c r4:84f20800
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:ddde2d40 r6:82c18200 r5:84f20b8c r4:82fbb000
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:82f48c00 r8:82fbb02c r7:82604d40 r6:ddde2d40 r5:ddde2d60
> r4:82fbb000
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:82fbb000 r8:8027e8dc r7:df879e60 r6:82fbb080 r5:82f48c00
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdf911fb0 to 0xdf911ff8)
> 1fa0: 00000000 00000000 00000000 00000000
> 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:82fa9f00
> INFO: task kworker/1:1:43 is blocked on a mutex likely owned by task kworker/1:66:4095.
> task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
> r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
> r4:00000000
> [<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
> Exception stack(0xdfd61d20 to 0xdfd61d68)
> 1d20: ea606000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
> 1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
> 1d60: 80000013 ffffffff
> r5:80000013 r4:80239a90
> [<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
> r4:828b51e4
> [<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
> r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
> r4:dfd61dc0
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfdcb000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:84185b8c r4:84185800
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
> r4:84d41f00
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdfd61fb0 to 0xdfd61ff8)
> 1fa0: 00000000 00000000 00000000 00000000
> 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:84ebc6c0
> INFO: task kworker/1:2:44 blocked for more than 430 seconds.
> Not tainted 6.16.0-rc6-syzkaller #0
> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> task:kworker/1:2 state:D stack:0 pid:44 tgid:44 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
> [<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
> r10:82718544 r9:df915d84 r8:00000002 r7:60000113 r6:df915d8c r5:82f49800
> r4:82f49800
> [<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
> r5:82f49800 r4:82718540
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
> [<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
> r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df915e08
> r4:00000000
> [<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
> [<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ebc440
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18205 r8:82f49800 r7:00000000 r6:82c18200 r5:00001000 r4:7f00b000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dff73000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:84e9b78c r4:84e9b400
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:ddde2d40 r6:82c18200 r5:84e9b78c r4:82fbb200
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:82f49800 r8:82fbb22c r7:82604d40 r6:ddde2d40 r5:ddde2d60
> r4:82fbb200
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:82fbb200 r8:8027e8dc r7:df911e60 r6:82fbb400 r5:82f49800
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdf915fb0 to 0xdf915ff8)
> 5fa0: 00000000 00000000 00000000 00000000
> 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:82fbc100
> INFO: task kworker/1:2:44 is blocked on a mutex likely owned by task kworker/1:66:4095.
> task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
> r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
> r4:00000000
> [<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
> Exception stack(0xdfd61d20 to 0xdfd61d68)
> 1d20: ea78b000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
> 1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
> 1d60: 80000013 ffffffff
> r5:80000013 r4:80239a90
> [<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
> r4:828b51e4
> [<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
> r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
> r4:dfd61dc0
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfdcb000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:84185b8c r4:84185800
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
> r4:84d41f00
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdfd61fb0 to 0xdfd61ff8)
> 1fa0: 00000000 00000000 00000000 00000000
> 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:84ebc6c0
> INFO: task kworker/0:5:3828 blocked for more than 430 seconds.
> Not tainted 6.16.0-rc6-syzkaller #0
> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> task:kworker/0:5 state:D stack:0 pid:3828 tgid:3828 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
> [<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
> r10:82718544 r9:dfdd5d84 r8:00000002 r7:60000013 r6:dfdd5d8c r5:84dea400
> r4:84dea400
> [<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
> r5:84dea400 r4:82718540
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
> [<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
> r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfdd5e08
> r4:00000000
> [<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
> [<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d99140
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18005 r8:84dea400 r7:00000000 r6:82c18000 r5:00001000 r4:7f029000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfa32000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:84ce7f8c r4:84ce7c00
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:dddced40 r6:82c18000 r5:84ce7f8c r4:84689700
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:84dea400 r8:8468972c r7:82604d40 r6:dddced40 r5:dddced60
> r4:84689700
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:84689700 r8:8027e8dc r7:eb8e9e60 r6:84689c00 r5:84dea400
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdfdd5fb0 to 0xdfdd5ff8)
> 5fa0: 00000000 00000000 00000000 00000000
> 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:84d849c0
> INFO: task kworker/0:5:3828 is blocked on a mutex likely owned by task kworker/1:66:4095.
> task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
> r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
> r4:00000000
> [<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
> Exception stack(0xdfd61d20 to 0xdfd61d68)
> 1d20: eb094000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
> 1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
> 1d60: 80000013 ffffffff
> r5:80000013 r4:80239a90
> [<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
> r4:828b51e4
> [<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
> r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
> r4:dfd61dc0
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfdcb000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:84185b8c r4:84185800
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
> r4:84d41f00
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdfd61fb0 to 0xdfd61ff8)
> 1fa0: 00000000 00000000 00000000 00000000
> 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:84ebc6c0
> INFO: task kworker/0:35:4078 blocked for more than 430 seconds.
> Not tainted 6.16.0-rc6-syzkaller #0
> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> task:kworker/0:35 state:D stack:0 pid:4078 tgid:4078 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
> [<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
> r10:82718544 r9:dfc2dd84 r8:00000002 r7:60000013 r6:dfc2dd8c r5:84e5ec00
> r4:84e5ec00
> [<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
> r5:84e5ec00 r4:82718540
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
> [<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
> r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc2de08
> r4:00000000
> [<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
> [<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ebe2c0
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18005 r8:84e5ec00 r7:00000000 r6:82c18000 r5:00001000 r4:7f04b000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfbc3000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:84e9a38c r4:84e9a000
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:dddced40 r6:82c18000 r5:84e9a38c r4:84eb8480
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:84e5ec00 r8:84eb84ac r7:82604d40 r6:dddced40 r5:dddced60
> r4:84eb8480
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:84eb8480 r8:8027e8dc r7:dfaa5e60 r6:84d41880 r5:84e5ec00
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdfc2dfb0 to 0xdfc2dff8)
> dfa0: 00000000 00000000 00000000 00000000
> dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:84eb9ec0
> INFO: task kworker/0:35:4078 is blocked on a mutex likely owned by task kworker/1:66:4095.
> task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
> r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
> r4:00000000
> [<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
> Exception stack(0xdfd61d20 to 0xdfd61d68)
> 1d20: eb094000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
> 1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
> 1d60: 80000013 ffffffff
> r5:80000013 r4:80239a90
> [<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
> r4:828b51e4
> [<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
> r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
> r4:dfd61dc0
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfdcb000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:84185b8c r4:84185800
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
> r4:84d41f00
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdfd61fb0 to 0xdfd61ff8)
> 1fa0: 00000000 00000000 00000000 00000000
> 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:84ebc6c0
> INFO: task kworker/1:67:4097 blocked for more than 430 seconds.
> Not tainted 6.16.0-rc6-syzkaller #0
> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> task:kworker/1:67 state:D stack:0 pid:4097 tgid:4097 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
> [<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
> r10:82718544 r9:dfd79d84 r8:00000002 r7:60000013 r6:dfd79d8c r5:834a8000
> r4:834a8000
> [<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
> r5:834a8000 r4:82718540
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
> [<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
> r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd79e08
> r4:00000000
> [<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
> [<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84eae040
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18205 r8:834a8000 r7:00000000 r6:82c18200 r5:00001000 r4:7f063000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfe4f000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:8418678c r4:84186400
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:ddde2d40 r6:82c18200 r5:8418678c r4:84d41f80
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:834a8000 r8:84d41fac r7:82604d40 r6:ddde2d40 r5:ddde2d60
> r4:84d41f80
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:84d41f80 r8:8027e8dc r7:dfd55e60 r6:84eb8980 r5:834a8000
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdfd79fb0 to 0xdfd79ff8)
> 9fa0: 00000000 00000000 00000000 00000000
> 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:84ebcc40
> INFO: task kworker/1:67:4097 is blocked on a mutex likely owned by task kworker/1:66:4095.
> task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
> r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
> r4:00000000
> [<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
> Exception stack(0xdfd61d20 to 0xdfd61d68)
> 1d20: eb48c000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
> 1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
> 1d60: 80000013 ffffffff
> r5:80000013 r4:80239a90
> [<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
> r4:828b51e4
> [<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
> r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
> r4:dfd61dc0
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfdcb000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:84185b8c r4:84185800
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
> r4:84d41f00
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdfd61fb0 to 0xdfd61ff8)
> 1fa0: 00000000 00000000 00000000 00000000
> 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:84ebc6c0
> INFO: task kworker/1:69:4104 blocked for more than 430 seconds.
> Not tainted 6.16.0-rc6-syzkaller #0
> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> task:kworker/1:69 state:D stack:0 pid:4104 tgid:4104 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
> [<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
> r10:82718544 r9:dfe59d84 r8:00000002 r7:60000013 r6:dfe59d8c r5:84e12400
> r4:84e12400
> [<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
> r5:84e12400 r4:82718540
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
> [<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
> r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfe59e08
> r4:00000000
> [<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
> [<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ebc380
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18205 r8:84e12400 r7:00000000 r6:82c18200 r5:00001000 r4:7f061000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfe3d000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:8418638c r4:84186000
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:ddde2d40 r6:82c18200 r5:8418638c r4:84d41480
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:84e12400 r8:84d414ac r7:82604d40 r6:ddde2d40 r5:ddde2d60
> r4:84d41480
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:84d41480 r8:8027e8dc r7:dfd79e60 r6:84eb8880 r5:84e12400
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdfe59fb0 to 0xdfe59ff8)
> 9fa0: 00000000 00000000 00000000 00000000
> 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:84ebc440
> INFO: task kworker/1:69:4104 is blocked on a mutex likely owned by task kworker/1:66:4095.
> task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
> r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
> r4:00000000
> [<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
> Exception stack(0xdfd61d20 to 0xdfd61d68)
> 1d20: eb48c000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
> 1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
> 1d60: 80000013 ffffffff
> r5:80000013 r4:80239a90
> [<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
> r4:828b51e4
> [<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
> r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
> r4:dfd61dc0
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfdcb000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:84185b8c r4:84185800
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
> r4:84d41f00
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdfd61fb0 to 0xdfd61ff8)
> 1fa0: 00000000 00000000 00000000 00000000
> 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:84ebc6c0
> INFO: task kworker/1:70:4105 blocked for more than 430 seconds.
> Not tainted 6.16.0-rc6-syzkaller #0
> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> task:kworker/1:70 state:D stack:0 pid:4105 tgid:4105 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
> [<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
> r10:82718544 r9:dfe69d84 r8:00000002 r7:60000113 r6:dfe69d8c r5:84e13000
> r4:84e13000
> [<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
> r5:84e13000 r4:82718540
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
> [<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
> r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfe69e08
> r4:00000000
> [<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
> [<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84eae500
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18205 r8:84e13000 r7:00000000 r6:82c18200 r5:00001000 r4:7f065000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfe95000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:84186b8c r4:84186800
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:ddde2d40 r6:82c18200 r5:84186b8c r4:84d40000
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:84e13000 r8:84d4002c r7:82604d40 r6:ddde2d40 r5:ddde2d60
> r4:84d40000
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:84d40000 r8:8027e8dc r7:dfd79e60 r6:84eb8a00 r5:84e13000
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdfe69fb0 to 0xdfe69ff8)
> 9fa0: 00000000 00000000 00000000 00000000
> 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:84eae0c0
> INFO: task kworker/1:70:4105 is blocked on a mutex likely owned by task kworker/1:66:4095.
> task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
> r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
> r4:00000000
> [<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
> Exception stack(0xdfd61d20 to 0xdfd61d68)
> 1d20: eb72c000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
> 1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
> 1d60: 80000013 ffffffff
> r5:80000013 r4:80239a90
> [<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
> r4:828b51e4
> [<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
> r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
> r4:dfd61dc0
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfdcb000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:84185b8c r4:84185800
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
> r4:84d41f00
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdfd61fb0 to 0xdfd61ff8)
> 1fa0: 00000000 00000000 00000000 00000000
> 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:84ebc6c0
> INFO: task kworker/1:71:4107 blocked for more than 430 seconds.
> Not tainted 6.16.0-rc6-syzkaller #0
> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> task:kworker/1:71 state:D stack:0 pid:4107 tgid:4107 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
> [<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
> r10:82718544 r9:dfd7dd84 r8:00000002 r7:60000013 r6:dfd7dd8c r5:84e11800
> r4:84e11800
> [<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
> r5:84e11800 r4:82718540
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
> [<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
> r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd7de08
> r4:00000000
> [<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
> [<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84eaeb00
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18205 r8:84e11800 r7:00000000 r6:82c18200 r5:00001000 r4:7f06b000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfeed000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:8418778c r4:84187400
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:ddde2d40 r6:82c18200 r5:8418778c r4:84d40080
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:84e11800 r8:84d400ac r7:82604d40 r6:ddde2d40 r5:ddde2d60
> r4:84d40080
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:84d40080 r8:8027e8dc r7:dfe69e60 r6:84eb8b00 r5:84e11800
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdfd7dfb0 to 0xdfd7dff8)
> dfa0: 00000000 00000000 00000000 00000000
> dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:84eae3c0
> INFO: task kworker/1:71:4107 is blocked on a mutex likely owned by task kworker/1:66:4095.
> task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
> r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
> r4:00000000
> [<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
> Exception stack(0xdfd61d20 to 0xdfd61d68)
> 1d20: eba55000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
> 1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
> 1d60: 80000013 ffffffff
> r5:80000013 r4:80239a90
> [<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
> r4:828b51e4
> [<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
> r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
> r4:dfd61dc0
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfdcb000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:84185b8c r4:84185800
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
> r4:84d41f00
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdfd61fb0 to 0xdfd61ff8)
> 1fa0: 00000000 00000000 00000000 00000000
> 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:84ebc6c0
> INFO: task kworker/1:72:4109 blocked for more than 430 seconds.
> Not tainted 6.16.0-rc6-syzkaller #0
> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> task:kworker/1:72 state:D stack:0 pid:4109 tgid:4109 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
> [<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
> r10:82718544 r9:dfebdd84 r8:00000002 r7:60000113 r6:dfebdd8c r5:84e14800
> r4:84e14800
> [<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
> r5:84e14800 r4:82718540
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
> [<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
> r10:8260c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfebde08
> r4:00000000
> [<819c2328>] (__mutex_lock_slowpath) from [<819c237c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:278)
> [<819c2340>] (mutex_lock) from [<804e431c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84eae780
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18205 r8:84e14800 r7:00000000 r6:82c18200 r5:00001000 r4:7f067000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfea7000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:84186f8c r4:84186c00
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:ddde2d40 r6:82c18200 r5:84186f8c r4:84d40180
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:84e14800 r8:84d401ac r7:82604d40 r6:ddde2d40 r5:ddde2d60
> r4:84d40180
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:84d40180 r8:8027e8dc r7:dfd7de60 r6:84eb8a80 r5:84e14800
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdfebdfb0 to 0xdfebdff8)
> dfa0: 00000000 00000000 00000000 00000000
> dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:84eae840
> INFO: task kworker/1:72:4109 is blocked on a mutex likely owned by task kworker/1:66:4095.
> task:kworker/1:66 state:R running task stack:0 pid:4095 tgid:4095 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf7d8>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7109)
> r10:8260c9b4 r9:84e1ec00 r8:80200be4 r7:dfd61d54 r6:ffffffff r5:84e1ec00
> r4:00000000
> [<819bf798>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18)
> Exception stack(0xdfd61d20 to 0xdfd61d68)
> 1d20: ebea6000 ecfd7000 00000001 80239a78 7f029000 00000001 828b51c4 828b45a0
> 1d40: 7f029000 ecfd7000 8260c9b4 dfd61d9c dfd61da0 dfd61d70 802309b0 80239a90
> 1d60: 80000013 ffffffff
> r5:80000013 r4:80239a90
> [<8023094c>] (flush_tlb_kernel_range) from [<804e40e0>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
> r4:828b51e4
> [<804e3e5c>] (__purge_vmap_area_lazy) from [<804e4498>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
> r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfd61dc0 r5:dfd61e08
> r4:dfd61dc0
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
> [<804e42b4>] (_vm_unmap_aliases) from [<804e820c>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
> r10:82c16070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8443a2c0
> r4:00000000
> [<804e80a0>] (vfree) from [<8054627c>] (execmem_free+0x30/0x50 mm/execmem.c:399)
> r9:82c18205 r8:84e1ec00 r7:00000000 r6:82c18200 r5:00001000 r4:7f045000
> [<8054624c>] (execmem_free) from [<803c6018>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1077)
> r5:00001000 r4:dfdcb000
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_binary_free kernel/bpf/core.c:1123 [inline])
> [<803c6008>] (bpf_jit_free_exec) from [<803c63f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1246)
> [<803c6390>] (bpf_jit_free) from [<803c7484>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2891)
> r5:84185b8c r4:84185800
> [<803c7338>] (bpf_prog_free_deferred) from [<8027de90>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
> r7:ddde2d40 r6:82c18200 r5:84185b8c r4:84d41f00
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
> [<8027dcdc>] (process_one_work) from [<8027ead8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
> r10:61c88647 r9:84e1ec00 r8:84d41f2c r7:82604d40 r6:ddde2d40 r5:ddde2d60
> r4:84d41f00
> [<8027e8dc>] (worker_thread) from [<80285b04>] (kthread+0x12c/0x280 kernel/kthread.c:464)
> r10:00000000 r9:84d41f00 r8:8027e8dc r7:dfd55e60 r6:84eb8780 r5:84e1ec00
> r4:00000001
> [<802859d8>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
> Exception stack(0xdfd61fb0 to 0xdfd61ff8)
> 1fa0: 00000000 00000000 00000000 00000000
> 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802859d8
> r4:84ebc6c0
> Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
> INFO: task kworker/1:73:4110 blocked for more than 430 seconds.
> Not tainted 6.16.0-rc6-syzkaller #0
> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> task:kworker/1:73 state:D stack:0 pid:4110 tgid:4110 ppid:2 task_flags:0x4208060 flags:0x00000000
> Workqueue: events bpf_prog_free_deferred
> Call trace:
> [<819be41c>] (__schedule) from [<819bf3a4>] (__schedule_loop kernel/sched/core.c:6864 [inline])
> [<819be41c>] (__schedule) from [<819bf3a4>] (schedule+0x2c/0x130 kernel/sched/core.c:6879)
> r10:82718544 r9:dfec1d84 r8:00000002 r7:60000013 r6:dfec1d8c r5:84e15400
> r4:84e15400
> [<819bf378>] (schedule) from [<819bf78c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6936)
> r5:84e15400 r4:82718540
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
> [<819bf774>] (schedule_preempt_disabled) from [<819c1e70>] (__mutex_lock.constprop.0+0x300/0x6f8 kernel/locking/mutex.c:747)
> [<819c1b70>] (__mutex_lock.constprop.0) from [<819c233c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
> r10:8260c960 r9:00000001 r8
>
> Tested on:
>
> commit: 347e9f50 Linux 6.16-rc6
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=13ba7d82580000
> kernel config: https://syzkaller.appspot.com/x/.config?x=796037e82809246d
> dashboard link: https://syzkaller.appspot.com/bug?extid=b18872ea9631b5dcef3b
> compiler: arm-linux-gnueabi-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
> userspace arch: arm
> patch: https://syzkaller.appspot.com/x/patch.diff?x=153547d4580000
>
>
#syzbot, the original NULL pointer dereference in __kmap_local_page_prot
appears fixed. The remaining issue (task hang in _vm_unmap_aliases)
seems unrelated and part of a different bug path.
^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2025-07-14 14:52 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-10-04 17:50 [syzbot] [mm?] BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot syzbot
2024-01-02 11:09 ` syzbot
2024-04-16 0:36 ` [syzbot] test arm32, please syzbot
2025-07-14 13:40 ` BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot syzbot
[not found] <661dc810.050a0220.c9289.5241@mx.google.com>
2024-04-16 0:44 ` [syzbot] [mm?] " syzbot
[not found] <CAH4c4jJvtLx6=uQeNGn6ndf9OQgYRzAV_0szcpBJzyTAOZXKGA@mail.gmail.com>
2025-07-14 13:57 ` syzbot
2025-07-14 14:52 ` Pranav Tyagi
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