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* [syzbot] [fs?] memory leak in adfs_init_fs_context
@ 2025-12-13 19:01 syzbot
  0 siblings, 0 replies; 6+ messages in thread
From: syzbot @ 2025-12-13 19:01 UTC (permalink / raw)
  To: linux-fsdevel, linux-kernel, syzkaller-bugs

Hello,

syzbot found the following issue on:

HEAD commit:    cb015814f8b6 Merge tag 'f2fs-for-6.19-rc1' of git://git.ke..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=14d85a1a580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=69400c231dedfdcf
dashboard link: https://syzkaller.appspot.com/bug?extid=1c70732df5fd4f0e4fbb
compiler:       gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17de9eb4580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15b6d992580000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/59ea583a27f0/disk-cb015814.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/5251b8b465ee/vmlinux-cb015814.xz
kernel image: https://storage.googleapis.com/syzbot-assets/061ac7ae9ddf/bzImage-cb015814.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+1c70732df5fd4f0e4fbb@syzkaller.appspotmail.com

BUG: memory leak
unreferenced object 0xffff888126345900 (size 64):
  comm "syz.0.18", pid 6076, jiffies 4294944529
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 c0 01 3f 00 00 00 00 00  ..........?.....
  backtrace (crc 45941a6b):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4953 [inline]
    slab_alloc_node mm/slub.c:5258 [inline]
    __kmalloc_cache_noprof+0x3b2/0x570 mm/slub.c:5766
    kmalloc_noprof include/linux/slab.h:957 [inline]
    kzalloc_noprof include/linux/slab.h:1094 [inline]
    adfs_init_fs_context+0x26/0xe0 fs/adfs/super.c:440
    alloc_fs_context+0x2a0/0x6e0 fs/fs_context.c:315
    do_new_mount fs/namespace.c:3692 [inline]
    path_mount+0x93f/0x1320 fs/namespace.c:4022
    do_mount fs/namespace.c:4035 [inline]
    __do_sys_mount fs/namespace.c:4224 [inline]
    __se_sys_mount fs/namespace.c:4201 [inline]
    __x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4201
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff888126345f40 (size 64):
  comm "syz.0.19", pid 6079, jiffies 4294944531
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 c0 01 3f 00 00 00 00 00  ..........?.....
  backtrace (crc 45941a6b):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4953 [inline]
    slab_alloc_node mm/slub.c:5258 [inline]
    __kmalloc_cache_noprof+0x3b2/0x570 mm/slub.c:5766
    kmalloc_noprof include/linux/slab.h:957 [inline]
    kzalloc_noprof include/linux/slab.h:1094 [inline]
    adfs_init_fs_context+0x26/0xe0 fs/adfs/super.c:440
    alloc_fs_context+0x2a0/0x6e0 fs/fs_context.c:315
    do_new_mount fs/namespace.c:3692 [inline]
    path_mount+0x93f/0x1320 fs/namespace.c:4022
    do_mount fs/namespace.c:4035 [inline]
    __do_sys_mount fs/namespace.c:4224 [inline]
    __se_sys_mount fs/namespace.c:4201 [inline]
    __x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4201
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88812636ad40 (size 64):
  comm "syz.0.20", pid 6128, jiffies 4294945167
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 c0 01 3f 00 00 00 00 00  ..........?.....
  backtrace (crc 45941a6b):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4953 [inline]
    slab_alloc_node mm/slub.c:5258 [inline]
    __kmalloc_cache_noprof+0x3b2/0x570 mm/slub.c:5766
    kmalloc_noprof include/linux/slab.h:957 [inline]
    kzalloc_noprof include/linux/slab.h:1094 [inline]
    adfs_init_fs_context+0x26/0xe0 fs/adfs/super.c:440
    alloc_fs_context+0x2a0/0x6e0 fs/fs_context.c:315
    do_new_mount fs/namespace.c:3692 [inline]
    path_mount+0x93f/0x1320 fs/namespace.c:4022
    do_mount fs/namespace.c:4035 [inline]
    __do_sys_mount fs/namespace.c:4224 [inline]
    __se_sys_mount fs/namespace.c:4201 [inline]
    __x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4201
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff888126345b40 (size 64):
  comm "syz.0.21", pid 6129, jiffies 4294945168
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 c0 01 3f 00 00 00 00 00  ..........?.....
  backtrace (crc 45941a6b):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4953 [inline]
    slab_alloc_node mm/slub.c:5258 [inline]
    __kmalloc_cache_noprof+0x3b2/0x570 mm/slub.c:5766
    kmalloc_noprof include/linux/slab.h:957 [inline]
    kzalloc_noprof include/linux/slab.h:1094 [inline]
    adfs_init_fs_context+0x26/0xe0 fs/adfs/super.c:440
    alloc_fs_context+0x2a0/0x6e0 fs/fs_context.c:315
    do_new_mount fs/namespace.c:3692 [inline]
    path_mount+0x93f/0x1320 fs/namespace.c:4022
    do_mount fs/namespace.c:4035 [inline]
    __do_sys_mount fs/namespace.c:4224 [inline]
    __se_sys_mount fs/namespace.c:4201 [inline]
    __x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4201
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF


---
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 report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title

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.

If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)

If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report

If you want to undo deduplication, reply with:
#syz undup

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [syzbot] [fs?] memory leak in adfs_init_fs_context
       [not found] <CAHxJ8O8braxW=W1O+zXD1_z-raZiWd64awv8p69Da6TEiy1oyA@mail.gmail.com>
@ 2025-12-13 23:12 ` syzbot
  0 siblings, 0 replies; 6+ messages in thread
From: syzbot @ 2025-12-13 23:12 UTC (permalink / raw)
  To: eraykrdg1, linux-kernel, syzkaller-bugs

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+1c70732df5fd4f0e4fbb@syzkaller.appspotmail.com
Tested-by: syzbot+1c70732df5fd4f0e4fbb@syzkaller.appspotmail.com

Tested on:

commit:         4a298a43 Merge tag 'smp-urgent-2025-12-12' of git://gi..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=103d71b4580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d60836e327fd6756
dashboard link: https://syzkaller.appspot.com/bug?extid=1c70732df5fd4f0e4fbb
compiler:       gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=104109c2580000

Note: testing is done by a robot and is best-effort only.

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [syzbot] [fs?] memory leak in adfs_init_fs_context
       [not found] <CAHxJ8O-gpHe-WzaN5pZFmsVLa_5DdY_0aKTJ6wrUaCkWEyNOSQ@mail.gmail.com>
@ 2025-12-14 21:15 ` syzbot
  0 siblings, 0 replies; 6+ messages in thread
From: syzbot @ 2025-12-14 21:15 UTC (permalink / raw)
  To: eraykrdg1, linux-kernel, syzkaller-bugs

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
memory leak in adfs_init_fs_context

BUG: memory leak
unreferenced object 0xffff888128792680 (size 64):
  comm "syz.0.17", pid 6733, jiffies 4294947442
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 c0 01 3f 00 00 00 00 00  ..........?.....
  backtrace (crc 45941a6b):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4958 [inline]
    slab_alloc_node mm/slub.c:5263 [inline]
    __kmalloc_cache_noprof+0x3b2/0x570 mm/slub.c:5771
    kmalloc_noprof include/linux/slab.h:957 [inline]
    kzalloc_noprof include/linux/slab.h:1094 [inline]
    adfs_init_fs_context+0x26/0xe0 fs/adfs/super.c:440
    alloc_fs_context+0x2a0/0x6e0 fs/fs_context.c:315
    do_new_mount fs/namespace.c:3692 [inline]
    path_mount+0x93f/0x1320 fs/namespace.c:4022
    do_mount fs/namespace.c:4035 [inline]
    __do_sys_mount fs/namespace.c:4224 [inline]
    __se_sys_mount fs/namespace.c:4201 [inline]
    __x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4201
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff888128792280 (size 64):
  comm "syz.0.18", pid 6736, jiffies 4294947443
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 c0 01 3f 00 00 00 00 00  ..........?.....
  backtrace (crc 45941a6b):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4958 [inline]
    slab_alloc_node mm/slub.c:5263 [inline]
    __kmalloc_cache_noprof+0x3b2/0x570 mm/slub.c:5771
    kmalloc_noprof include/linux/slab.h:957 [inline]
    kzalloc_noprof include/linux/slab.h:1094 [inline]
    adfs_init_fs_context+0x26/0xe0 fs/adfs/super.c:440
    alloc_fs_context+0x2a0/0x6e0 fs/fs_context.c:315
    do_new_mount fs/namespace.c:3692 [inline]
    path_mount+0x93f/0x1320 fs/namespace.c:4022
    do_mount fs/namespace.c:4035 [inline]
    __do_sys_mount fs/namespace.c:4224 [inline]
    __se_sys_mount fs/namespace.c:4201 [inline]
    __x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4201
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88811cb63040 (size 64):
  comm "syz.0.19", pid 6739, jiffies 4294947445
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 c0 01 3f 00 00 00 00 00  ..........?.....
  backtrace (crc 45941a6b):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4958 [inline]
    slab_alloc_node mm/slub.c:5263 [inline]
    __kmalloc_cache_noprof+0x3b2/0x570 mm/slub.c:5771
    kmalloc_noprof include/linux/slab.h:957 [inline]
    kzalloc_noprof include/linux/slab.h:1094 [inline]
    adfs_init_fs_context+0x26/0xe0 fs/adfs/super.c:440
    alloc_fs_context+0x2a0/0x6e0 fs/fs_context.c:315
    do_new_mount fs/namespace.c:3692 [inline]
    path_mount+0x93f/0x1320 fs/namespace.c:4022
    do_mount fs/namespace.c:4035 [inline]
    __do_sys_mount fs/namespace.c:4224 [inline]
    __se_sys_mount fs/namespace.c:4201 [inline]
    __x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4201
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff888128792f80 (size 64):
  comm "syz.0.20", pid 6770, jiffies 4294948013
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 c0 01 3f 00 00 00 00 00  ..........?.....
  backtrace (crc 45941a6b):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4958 [inline]
    slab_alloc_node mm/slub.c:5263 [inline]
    __kmalloc_cache_noprof+0x3b2/0x570 mm/slub.c:5771
    kmalloc_noprof include/linux/slab.h:957 [inline]
    kzalloc_noprof include/linux/slab.h:1094 [inline]
    adfs_init_fs_context+0x26/0xe0 fs/adfs/super.c:440
    alloc_fs_context+0x2a0/0x6e0 fs/fs_context.c:315
    do_new_mount fs/namespace.c:3692 [inline]
    path_mount+0x93f/0x1320 fs/namespace.c:4022
    do_mount fs/namespace.c:4035 [inline]
    __do_sys_mount fs/namespace.c:4224 [inline]
    __se_sys_mount fs/namespace.c:4201 [inline]
    __x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4201
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88811cb63f80 (size 64):
  comm "syz.0.21", pid 6772, jiffies 4294948014
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 c0 01 3f 00 00 00 00 00  ..........?.....
  backtrace (crc 45941a6b):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4958 [inline]
    slab_alloc_node mm/slub.c:5263 [inline]
    __kmalloc_cache_noprof+0x3b2/0x570 mm/slub.c:5771
    kmalloc_noprof include/linux/slab.h:957 [inline]
    kzalloc_noprof include/linux/slab.h:1094 [inline]
    adfs_init_fs_context+0x26/0xe0 fs/adfs/super.c:440
    alloc_fs_context+0x2a0/0x6e0 fs/fs_context.c:315
    do_new_mount fs/namespace.c:3692 [inline]
    path_mount+0x93f/0x1320 fs/namespace.c:4022
    do_mount fs/namespace.c:4035 [inline]
    __do_sys_mount fs/namespace.c:4224 [inline]
    __se_sys_mount fs/namespace.c:4201 [inline]
    __x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4201
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF


Tested on:

commit:         8f0b4cce Linux 6.19-rc1
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1275511a580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d60836e327fd6756
dashboard link: https://syzkaller.appspot.com/bug?extid=1c70732df5fd4f0e4fbb
compiler:       gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [syzbot] [fs?] memory leak in adfs_init_fs_context
       [not found] <CAHxJ8O_ye+G1u-ML820NOsHyAKYn4h2h7VGrd_8hAUVwyxxdAQ@mail.gmail.com>
@ 2025-12-14 22:19 ` syzbot
  0 siblings, 0 replies; 6+ messages in thread
From: syzbot @ 2025-12-14 22:19 UTC (permalink / raw)
  To: eraykrdg1, linux-kernel, syzkaller-bugs

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

SYZFAIL: failed to recv rpc

SYZFAIL: failed to recv rpc


Warning: Permanently added '10.128.1.225' (ED25519) to the list of known hosts.
2025/12/14 22:17:44 parsed 1 programs
[   40.760074][ T5814] cgroup: Unknown subsys name 'net'
[   40.846544][ T5814] cgroup: Unknown subsys name 'cpuset'
[   40.853552][ T5814] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[   48.749814][ T5814] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
[   49.998856][ T5827] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[   50.288759][ T5847] chnl_net:caif_netlink_parms(): no params data found
[   50.313070][ T5847] bridge0: port 1(bridge_slave_0) entered blocking state
[   50.320409][ T5847] bridge0: port 1(bridge_slave_0) entered disabled state
[   50.327549][ T5847] bridge_slave_0: entered allmulticast mode
[   50.333830][ T5847] bridge_slave_0: entered promiscuous mode
[   50.341481][ T5847] bridge0: port 2(bridge_slave_1) entered blocking state
[   50.349768][ T5847] bridge0: port 2(bridge_slave_1) entered disabled state
[   50.357266][ T5847] bridge_slave_1: entered allmulticast mode
[   50.363438][ T5847] bridge_slave_1: entered promiscuous mode
[   50.374980][ T5847] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   50.384999][ T5847] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   50.398552][ T5847] team0: Port device team_slave_0 added
[   50.404698][ T5847] team0: Port device team_slave_1 added
[   50.415314][ T5847] batman_adv: batadv0: Adding interface: batadv_slave_0
[   50.422257][ T5847] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[   50.448268][ T5847] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   50.459550][ T5847] batman_adv: batadv0: Adding interface: batadv_slave_1
[   50.466792][ T5847] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[   50.492780][ T5847] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   50.511794][ T5847] hsr_slave_0: entered promiscuous mode
[   50.517681][ T5847] hsr_slave_1: entered promiscuous mode
[   50.546550][ T5847] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   50.554507][ T5847] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   50.562970][ T5847] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   50.570577][ T5847] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   50.582378][ T5847] bridge0: port 2(bridge_slave_1) entered blocking state
[   50.589968][ T5847] bridge0: port 2(bridge_slave_1) entered forwarding state
[   50.597254][ T5847] bridge0: port 1(bridge_slave_0) entered blocking state
[   50.604285][ T5847] bridge0: port 1(bridge_slave_0) entered forwarding state
[   50.620737][ T5847] 8021q: adding VLAN 0 to HW filter on device bond0
[   50.629704][ T2110] bridge0: port 1(bridge_slave_0) entered disabled state
[   50.637191][ T2110] bridge0: port 2(bridge_slave_1) entered disabled state
[   50.646684][ T5847] 8021q: adding VLAN 0 to HW filter on device team0
[   50.654959][  T182] bridge0: port 1(bridge_slave_0) entered blocking state
[   50.662020][  T182] bridge0: port 1(bridge_slave_0) entered forwarding state
[   50.671112][ T2110] bridge0: port 2(bridge_slave_1) entered blocking state
[   50.678182][ T2110] bridge0: port 2(bridge_slave_1) entered forwarding state
[   50.718813][ T5847] 8021q: adding VLAN 0 to HW filter on device batadv0
[   50.733071][ T5847] veth0_vlan: entered promiscuous mode
[   50.740227][ T5847] veth1_vlan: entered promiscuous mode
[   50.750549][ T5847] veth0_macvtap: entered promiscuous mode
[   50.757401][ T5847] veth1_macvtap: entered promiscuous mode
[   50.767087][ T5847] batman_adv: batadv0: Interface activated: batadv_slave_0
[   50.776195][ T5847] batman_adv: batadv0: Interface activated: batadv_slave_1
[   50.784802][  T336] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   50.793680][  T336] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   50.802584][  T336] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   50.811945][  T336] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   50.857670][  T182] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   50.883843][ T5135] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   50.891691][ T5135] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   50.899005][ T5135] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   50.907282][ T5135] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   50.914721][  T182] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   50.915268][ T5135] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[   50.976589][  T182] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   51.006628][  T182] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   51.264854][  T336] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   51.274453][  T336] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   51.284604][  T336] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   51.292718][  T336] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2025/12/14 22:17:56 executed programs: 0
[   53.667289][  T182] bridge_slave_1: left allmulticast mode
[   53.672948][  T182] bridge_slave_1: left promiscuous mode
[   53.679429][  T182] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.686953][  T182] bridge_slave_0: left allmulticast mode
[   53.692571][  T182] bridge_slave_0: left promiscuous mode
[   53.698282][  T182] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.717145][  T182] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[   53.726561][  T182] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[   53.736266][  T182] bond0 (unregistering): Released all slaves
[   53.806502][  T182] hsr_slave_0: left promiscuous mode
[   53.811955][  T182] hsr_slave_1: left promiscuous mode
[   53.817467][  T182] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[   53.824830][  T182] batman_adv: batadv0: Removing interface: batadv_slave_0
[   53.832282][  T182] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[   53.839713][  T182] batman_adv: batadv0: Removing interface: batadv_slave_1
[   53.848340][  T182] veth1_macvtap: left promiscuous mode
[   53.853883][  T182] veth0_macvtap: left promiscuous mode
[   53.859443][  T182] veth1_vlan: left promiscuous mode
[   53.864652][  T182] veth0_vlan: left promiscuous mode
[   53.887392][  T182] team0 (unregistering): Port device team_slave_1 removed
[   53.897695][  T182] team0 (unregistering): Port device team_slave_0 removed
[   57.036318][   T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   57.043825][   T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   57.051141][   T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   57.058534][   T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   57.065979][   T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[   57.100904][ T5987] chnl_net:caif_netlink_parms(): no params data found
[   57.119366][ T5987] bridge0: port 1(bridge_slave_0) entered blocking state
[   57.127002][ T5987] bridge0: port 1(bridge_slave_0) entered disabled state
[   57.134166][ T5987] bridge_slave_0: entered allmulticast mode
[   57.140647][ T5987] bridge_slave_0: entered promiscuous mode
[   57.147369][ T5987] bridge0: port 2(bridge_slave_1) entered blocking state
[   57.154562][ T5987] bridge0: port 2(bridge_slave_1) entered disabled state
[   57.161755][ T5987] bridge_slave_1: entered allmulticast mode
[   57.167935][ T5987] bridge_slave_1: entered promiscuous mode
[   57.178268][ T5987] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   57.188122][ T5987] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   57.201767][ T5987] team0: Port device team_slave_0 added
[   57.208482][ T5987] team0: Port device team_slave_1 added
[   57.219095][ T5987] batman_adv: batadv0: Adding interface: batadv_slave_0
[   57.226090][ T5987] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[   57.252518][ T5987] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   57.263509][ T5987] batman_adv: batadv0: Adding interface: batadv_slave_1
[   57.270689][ T5987] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[   57.296997][ T5987] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   57.313719][ T5987] hsr_slave_0: entered promiscuous mode
[   57.319704][ T5987] hsr_slave_1: entered promiscuous mode
[   57.491380][ T5987] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   57.500328][ T5987] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   57.508909][ T5987] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   57.517055][ T5987] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   57.546048][ T5987] bridge0: port 2(bridge_slave_1) entered blocking state
[   57.553236][ T5987] bridge0: port 2(bridge_slave_1) entered forwarding state
[   57.560592][ T5987] bridge0: port 1(bridge_slave_0) entered blocking state
[   57.567746][ T5987] bridge0: port 1(bridge_slave_0) entered forwarding state
[   57.588988][ T5987] 8021q: adding VLAN 0 to HW filter on device bond0
[   57.602398][ T1914] bridge0: port 1(bridge_slave_0) entered disabled state
[   57.615522][ T1914] bridge0: port 2(bridge_slave_1) entered disabled state
[   57.631386][ T5987] 8021q: adding VLAN 0 to HW filter on device team0
[   57.641134][  T182] bridge0: port 1(bridge_slave_0) entered blocking state
[   57.648228][  T182] bridge0: port 1(bridge_slave_0) entered forwarding state
[   57.657921][ T1914] bridge0: port 2(bridge_slave_1) entered blocking state
[   57.665277][ T1914] bridge0: port 2(bridge_slave_1) entered forwarding state
[   57.728484][ T5987] 8021q: adding VLAN 0 to HW filter on device batadv0
[   57.753422][ T5987] veth0_vlan: entered promiscuous mode
[   57.761873][ T5987] veth1_vlan: entered promiscuous mode
[   57.776420][ T5987] veth0_macvtap: entered promiscuous mode
[   57.783392][ T5987] veth1_macvtap: entered promiscuous mode
[   57.793989][ T5987] batman_adv: batadv0: Interface activated: batadv_slave_0
[   57.804351][ T5987] batman_adv: batadv0: Interface activated: batadv_slave_1
[   57.814363][  T182] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   57.835300][  T182] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   57.844102][  T182] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   57.855680][  T182] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   57.872009][   T35] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
SYZFAIL: failed to recv rpc
[   57.879896][ T1914] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   57.888257][ T1914] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   57.895768][   T35] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50


syzkaller build log:
go env (err=<nil>)
AR='ar'
CC='gcc'
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_ENABLED='1'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
CXX='g++'
GCCGO='gccgo'
GO111MODULE='auto'
GOAMD64='v1'
GOARCH='amd64'
GOAUTH='netrc'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOCACHEPROG=''
GODEBUG=''
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFIPS140='off'
GOFLAGS=''
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build3133765014=/tmp/go-build -gno-record-gcc-switches'
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod'
GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs-2/linux/gopath'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/local/go'
GOSUMDB='sum.golang.org'
GOTELEMETRY='local'
GOTELEMETRYDIR='/syzkaller/.config/go/telemetry'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.24.4'
GOWORK=''
PKG_CONFIG='pkg-config'

git status (err=<nil>)
HEAD detached at d6526ea3e
nothing to commit, working tree clean


tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
go list -f '{{.Stale}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115"  ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115"  ./sys/syz-sysgen
make .descriptions
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115"  -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
mkdir -p ./bin/linux_amd64
g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \
	-m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include   -DGOOS_linux=1 -DGOARCH_amd64=1 \
	-DHOSTGOOS_linux=1 -DGIT_REVISION=\"d6526ea3e6ad9081c902859bbb80f9f840377cb4\"
/usr/bin/ld: /tmp/ccLbkRWx.o: in function `Connection::Connect(char const*, char const*)':
executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x104): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
./tools/check-syzos.sh 2>/dev/null



Tested on:

commit:         8f0b4cce Linux 6.19-rc1
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=d60836e327fd6756
dashboard link: https://syzkaller.appspot.com/bug?extid=1c70732df5fd4f0e4fbb
compiler:       gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=166d99c2580000


^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [syzbot] [fs?] memory leak in adfs_init_fs_context
       [not found] <CAHxJ8O8yTfCHD3n2P_w1G0hsgzxnsanVc=_ZAR+yeU4NwPbzSg@mail.gmail.com>
@ 2025-12-14 22:44 ` syzbot
  0 siblings, 0 replies; 6+ messages in thread
From: syzbot @ 2025-12-14 22:44 UTC (permalink / raw)
  To: eraykrdg1, linux-kernel, syzkaller-bugs

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

SYZFAIL: failed to recv rpc

SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor)


Warning: Permanently added '10.128.1.213' (ED25519) to the list of known hosts.
2025/12/14 22:43:18 parsed 1 programs
[   37.712373][ T5814] cgroup: Unknown subsys name 'net'
[   37.852708][ T5814] cgroup: Unknown subsys name 'cpuset'
[   37.858990][ T5814] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[   45.793734][ T5814] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
[   47.027391][ T5825] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[   47.298490][ T5848] chnl_net:caif_netlink_parms(): no params data found
[   47.317351][ T5848] bridge0: port 1(bridge_slave_0) entered blocking state
[   47.324739][ T5848] bridge0: port 1(bridge_slave_0) entered disabled state
[   47.331833][ T5848] bridge_slave_0: entered allmulticast mode
[   47.338011][ T5848] bridge_slave_0: entered promiscuous mode
[   47.344534][ T5848] bridge0: port 2(bridge_slave_1) entered blocking state
[   47.351584][ T5848] bridge0: port 2(bridge_slave_1) entered disabled state
[   47.358656][ T5848] bridge_slave_1: entered allmulticast mode
[   47.364787][ T5848] bridge_slave_1: entered promiscuous mode
[   47.376139][ T5848] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   47.385864][ T5848] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   47.398694][ T5848] team0: Port device team_slave_0 added
[   47.404689][ T5848] team0: Port device team_slave_1 added
[   47.418227][ T5848] batman_adv: batadv0: Adding interface: batadv_slave_0
[   47.425170][ T5848] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[   47.451033][ T5848] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   47.461955][ T5848] batman_adv: batadv0: Adding interface: batadv_slave_1
[   47.468871][ T5848] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[   47.494836][ T5848] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   47.511287][ T5848] hsr_slave_0: entered promiscuous mode
[   47.517050][ T5848] hsr_slave_1: entered promiscuous mode
[   47.544260][ T5848] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   47.551678][ T5848] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   47.559215][ T5848] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   47.567128][ T5848] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   47.579629][ T5848] bridge0: port 2(bridge_slave_1) entered blocking state
[   47.586718][ T5848] bridge0: port 2(bridge_slave_1) entered forwarding state
[   47.593955][ T5848] bridge0: port 1(bridge_slave_0) entered blocking state
[   47.600960][ T5848] bridge0: port 1(bridge_slave_0) entered forwarding state
[   47.617557][ T5848] 8021q: adding VLAN 0 to HW filter on device bond0
[   47.626433][ T2113] bridge0: port 1(bridge_slave_0) entered disabled state
[   47.634115][ T2113] bridge0: port 2(bridge_slave_1) entered disabled state
[   47.643636][ T5848] 8021q: adding VLAN 0 to HW filter on device team0
[   47.651827][   T58] bridge0: port 1(bridge_slave_0) entered blocking state
[   47.658866][   T58] bridge0: port 1(bridge_slave_0) entered forwarding state
[   47.667451][ T2113] bridge0: port 2(bridge_slave_1) entered blocking state
[   47.674493][ T2113] bridge0: port 2(bridge_slave_1) entered forwarding state
[   47.712493][ T5848] 8021q: adding VLAN 0 to HW filter on device batadv0
[   47.726799][ T5848] veth0_vlan: entered promiscuous mode
[   47.733467][ T5848] veth1_vlan: entered promiscuous mode
[   47.743510][ T5848] veth0_macvtap: entered promiscuous mode
[   47.749952][ T5848] veth1_macvtap: entered promiscuous mode
[   47.758532][ T5848] batman_adv: batadv0: Interface activated: batadv_slave_0
[   47.767484][ T5848] batman_adv: batadv0: Interface activated: batadv_slave_1
[   47.776289][ T2113] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   47.785155][ T2113] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   47.793957][ T2113] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   47.803186][ T2113] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   47.857905][   T35] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   47.893462][   T35] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   47.943714][   T35] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   48.003482][   T35] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   48.014825][   T58] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   48.024771][   T58] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   48.034932][ T1938] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   48.042907][ T1938] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   48.069136][ T5135] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   48.082403][ T5135] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   48.089470][ T5135] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   48.097107][ T5135] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   48.104358][ T5135] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
2025/12/14 22:43:30 executed programs: 0
[   50.851981][   T35] bridge_slave_1: left allmulticast mode
[   50.857735][   T35] bridge_slave_1: left promiscuous mode
[   50.863350][   T35] bridge0: port 2(bridge_slave_1) entered disabled state
[   50.870740][   T35] bridge_slave_0: left allmulticast mode
[   50.876445][   T35] bridge_slave_0: left promiscuous mode
[   50.882278][   T35] bridge0: port 1(bridge_slave_0) entered disabled state
[   50.943824][   T35] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[   50.952823][   T35] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[   50.961629][   T35] bond0 (unregistering): Released all slaves
[   51.016728][   T35] hsr_slave_0: left promiscuous mode
[   51.022435][   T35] hsr_slave_1: left promiscuous mode
[   51.027855][   T35] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[   51.035519][   T35] batman_adv: batadv0: Removing interface: batadv_slave_0
[   51.042948][   T35] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[   51.050311][   T35] batman_adv: batadv0: Removing interface: batadv_slave_1
[   51.058439][   T35] veth1_macvtap: left promiscuous mode
[   51.063920][   T35] veth0_macvtap: left promiscuous mode
[   51.069372][   T35] veth1_vlan: left promiscuous mode
[   51.074576][   T35] veth0_vlan: left promiscuous mode
[   51.096386][   T35] team0 (unregistering): Port device team_slave_1 removed
[   51.104418][   T35] team0 (unregistering): Port device team_slave_0 removed
[   53.746742][   T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   53.753850][   T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   53.760895][   T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   53.768537][   T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   53.775682][   T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[   53.808761][ T5985] chnl_net:caif_netlink_parms(): no params data found
[   53.826975][ T5985] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.834029][ T5985] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.841055][ T5985] bridge_slave_0: entered allmulticast mode
[   53.847228][ T5985] bridge_slave_0: entered promiscuous mode
[   53.853510][ T5985] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.861516][ T5985] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.868608][ T5985] bridge_slave_1: entered allmulticast mode
[   53.874881][ T5985] bridge_slave_1: entered promiscuous mode
[   53.885891][ T5985] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   53.895676][ T5985] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   53.908861][ T5985] team0: Port device team_slave_0 added
[   53.914938][ T5985] team0: Port device team_slave_1 added
[   53.924223][ T5985] batman_adv: batadv0: Adding interface: batadv_slave_0
[   53.931143][ T5985] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[   53.957319][ T5985] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   53.968209][ T5985] batman_adv: batadv0: Adding interface: batadv_slave_1
[   53.975179][ T5985] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[   54.001082][ T5985] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   54.017628][ T5985] hsr_slave_0: entered promiscuous mode
[   54.023372][ T5985] hsr_slave_1: entered promiscuous mode
[   54.191291][ T5985] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   54.199056][ T5985] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   54.207354][ T5985] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   54.215704][ T5985] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   54.230450][ T5985] bridge0: port 2(bridge_slave_1) entered blocking state
[   54.237523][ T5985] bridge0: port 2(bridge_slave_1) entered forwarding state
[   54.244770][ T5985] bridge0: port 1(bridge_slave_0) entered blocking state
[   54.251818][ T5985] bridge0: port 1(bridge_slave_0) entered forwarding state
[   54.272254][ T5985] 8021q: adding VLAN 0 to HW filter on device bond0
[   54.282436][   T35] bridge0: port 1(bridge_slave_0) entered disabled state
[   54.289785][   T35] bridge0: port 2(bridge_slave_1) entered disabled state
[   54.300458][ T5985] 8021q: adding VLAN 0 to HW filter on device team0
[   54.309349][  T989] bridge0: port 1(bridge_slave_0) entered blocking state
[   54.316418][  T989] bridge0: port 1(bridge_slave_0) entered forwarding state
[   54.330130][   T35] bridge0: port 2(bridge_slave_1) entered blocking state
[   54.337171][   T35] bridge0: port 2(bridge_slave_1) entered forwarding state
[   54.399081][ T5985] 8021q: adding VLAN 0 to HW filter on device batadv0
[   54.416251][ T5985] veth0_vlan: entered promiscuous mode
[   54.423550][ T5985] veth1_vlan: entered promiscuous mode
[   54.436241][ T5985] veth0_macvtap: entered promiscuous mode
[   54.443995][ T5985] veth1_macvtap: entered promiscuous mode
[   54.453630][ T5985] batman_adv: batadv0: Interface activated: batadv_slave_0
[   54.463191][ T5985] batman_adv: batadv0: Interface activated: batadv_slave_1
[   54.473958][   T35] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   54.485525][   T35] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   54.495458][   T35] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   54.504485][   T35] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   54.524250][  T989] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.536235][  T989] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor)
[   54.547638][  T989] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   54.555615][  T989] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50


syzkaller build log:
go env (err=<nil>)
AR='ar'
CC='gcc'
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_ENABLED='1'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
CXX='g++'
GCCGO='gccgo'
GO111MODULE='auto'
GOAMD64='v1'
GOARCH='amd64'
GOAUTH='netrc'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOCACHEPROG=''
GODEBUG=''
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFIPS140='off'
GOFLAGS=''
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build3573500242=/tmp/go-build -gno-record-gcc-switches'
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod'
GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs-2/linux/gopath'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/local/go'
GOSUMDB='sum.golang.org'
GOTELEMETRY='local'
GOTELEMETRYDIR='/syzkaller/.config/go/telemetry'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.24.4'
GOWORK=''
PKG_CONFIG='pkg-config'

git status (err=<nil>)
HEAD detached at d6526ea3e
nothing to commit, working tree clean


tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
go list -f '{{.Stale}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115"  ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115"  ./sys/syz-sysgen
make .descriptions
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115"  -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
mkdir -p ./bin/linux_amd64
g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \
	-m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include   -DGOOS_linux=1 -DGOARCH_amd64=1 \
	-DHOSTGOOS_linux=1 -DGIT_REVISION=\"d6526ea3e6ad9081c902859bbb80f9f840377cb4\"
/usr/bin/ld: /tmp/cc0hxglS.o: in function `Connection::Connect(char const*, char const*)':
executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x104): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
./tools/check-syzos.sh 2>/dev/null



Tested on:

commit:         8f0b4cce Linux 6.19-rc1
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=d60836e327fd6756
dashboard link: https://syzkaller.appspot.com/bug?extid=1c70732df5fd4f0e4fbb
compiler:       gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=14e1811a580000


^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [syzbot] [fs?] memory leak in adfs_init_fs_context
       [not found] <CAHxJ8O_8-_ypES0GoCMjomJGqe7dOaXVri6DRqSwsxk52=7+XA@mail.gmail.com>
@ 2025-12-15  0:11 ` syzbot
  0 siblings, 0 replies; 6+ messages in thread
From: syzbot @ 2025-12-15  0:11 UTC (permalink / raw)
  To: eraykrdg1, linux-kernel, syzkaller-bugs

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+1c70732df5fd4f0e4fbb@syzkaller.appspotmail.com
Tested-by: syzbot+1c70732df5fd4f0e4fbb@syzkaller.appspotmail.com

Tested on:

commit:         8f0b4cce Linux 6.19-rc1
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1203811a580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d60836e327fd6756
dashboard link: https://syzkaller.appspot.com/bug?extid=1c70732df5fd4f0e4fbb
compiler:       gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=16b799c2580000

Note: testing is done by a robot and is best-effort only.

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2025-12-15  0:11 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
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     [not found] <CAHxJ8O8braxW=W1O+zXD1_z-raZiWd64awv8p69Da6TEiy1oyA@mail.gmail.com>
2025-12-13 23:12 ` [syzbot] [fs?] memory leak in adfs_init_fs_context syzbot
     [not found] <CAHxJ8O_8-_ypES0GoCMjomJGqe7dOaXVri6DRqSwsxk52=7+XA@mail.gmail.com>
2025-12-15  0:11 ` syzbot
     [not found] <CAHxJ8O8yTfCHD3n2P_w1G0hsgzxnsanVc=_ZAR+yeU4NwPbzSg@mail.gmail.com>
2025-12-14 22:44 ` syzbot
     [not found] <CAHxJ8O_ye+G1u-ML820NOsHyAKYn4h2h7VGrd_8hAUVwyxxdAQ@mail.gmail.com>
2025-12-14 22:19 ` syzbot
     [not found] <CAHxJ8O-gpHe-WzaN5pZFmsVLa_5DdY_0aKTJ6wrUaCkWEyNOSQ@mail.gmail.com>
2025-12-14 21:15 ` syzbot
2025-12-13 19:01 syzbot

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