netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [syzbot] [can?] memory leak in j1939_netdev_start
@ 2023-11-25  2:45 syzbot
  2025-12-21  7:58 ` syzbot
  0 siblings, 1 reply; 2+ messages in thread
From: syzbot @ 2023-11-25  2:45 UTC (permalink / raw)
  To: davem, edumazet, kernel, kuba, linux-can, linux-kernel, mkl,
	netdev, o.rempel, pabeni, robin, socketcan, syzkaller-bugs

Hello,

syzbot found the following issue on:

HEAD commit:    98b1cc82c4af Linux 6.7-rc2
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1286e3d4e80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=f1b9d95ada516af
dashboard link: https://syzkaller.appspot.com/bug?extid=1d37bef05da87b99c5a6
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11c8f8cce80000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/6b6d520f592c/disk-98b1cc82.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/c2cb6183fd56/vmlinux-98b1cc82.xz
kernel image: https://storage.googleapis.com/syzbot-assets/de520cfc8b93/bzImage-98b1cc82.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+1d37bef05da87b99c5a6@syzkaller.appspotmail.com

BUG: memory leak
unreferenced object 0xffff88811f324000 (size 8192):
  comm "syz-executor.7", pid 5245, jiffies 4294947603 (age 10.860s)
  hex dump (first 32 bytes):
    00 40 32 1f 81 88 ff ff 00 40 32 1f 81 88 ff ff  .@2......@2.....
    00 00 00 00 00 00 00 00 00 80 0f 1b 81 88 ff ff  ................
  backtrace:
    [<ffffffff816339bd>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff816339bd>] slab_post_alloc_hook mm/slab.h:766 [inline]
    [<ffffffff816339bd>] slab_alloc_node mm/slub.c:3478 [inline]
    [<ffffffff816339bd>] __kmem_cache_alloc_node+0x2dd/0x3f0 mm/slub.c:3517
    [<ffffffff8157e845>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1098
    [<ffffffff8453e829>] kmalloc include/linux/slab.h:600 [inline]
    [<ffffffff8453e829>] kzalloc include/linux/slab.h:721 [inline]
    [<ffffffff8453e829>] j1939_priv_create net/can/j1939/main.c:135 [inline]
    [<ffffffff8453e829>] j1939_netdev_start+0x159/0x6f0 net/can/j1939/main.c:272
    [<ffffffff8454046e>] j1939_sk_bind+0x21e/0x550 net/can/j1939/socket.c:485
    [<ffffffff83ec4dac>] __sys_bind+0x11c/0x130 net/socket.c:1845
    [<ffffffff83ec4ddc>] __do_sys_bind net/socket.c:1856 [inline]
    [<ffffffff83ec4ddc>] __se_sys_bind net/socket.c:1854 [inline]
    [<ffffffff83ec4ddc>] __x64_sys_bind+0x1c/0x20 net/socket.c:1854
    [<ffffffff84b6bd8f>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
    [<ffffffff84b6bd8f>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b

BUG: memory leak
unreferenced object 0xffff88811f0bf300 (size 240):
  comm "softirq", pid 0, jiffies 4294947604 (age 10.850s)
  hex dump (first 32 bytes):
    68 74 bb 1d 81 88 ff ff 68 74 bb 1d 81 88 ff ff  ht......ht......
    00 80 0f 1b 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff81631427>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff81631427>] slab_post_alloc_hook mm/slab.h:766 [inline]
    [<ffffffff81631427>] slab_alloc_node mm/slub.c:3478 [inline]
    [<ffffffff81631427>] kmem_cache_alloc_node+0x2c7/0x450 mm/slub.c:3523
    [<ffffffff83ed869f>] __alloc_skb+0x1ef/0x230 net/core/skbuff.c:641
    [<ffffffff845473ef>] alloc_skb include/linux/skbuff.h:1286 [inline]
    [<ffffffff845473ef>] j1939_session_fresh_new net/can/j1939/transport.c:1535 [inline]
    [<ffffffff845473ef>] j1939_xtp_rx_rts_session_new net/can/j1939/transport.c:1631 [inline]
    [<ffffffff845473ef>] j1939_xtp_rx_rts+0x49f/0xa50 net/can/j1939/transport.c:1735
    [<ffffffff84547ea5>] j1939_tp_cmd_recv net/can/j1939/transport.c:2057 [inline]
    [<ffffffff84547ea5>] j1939_tp_recv+0x1b5/0x7f0 net/can/j1939/transport.c:2144
    [<ffffffff8453e3f9>] j1939_can_recv+0x349/0x4e0 net/can/j1939/main.c:112
    [<ffffffff8452eea4>] deliver net/can/af_can.c:572 [inline]
    [<ffffffff8452eea4>] can_rcv_filter+0xd4/0x290 net/can/af_can.c:606
    [<ffffffff8452f560>] can_receive+0xf0/0x140 net/can/af_can.c:663
    [<ffffffff8452f6a0>] can_rcv+0xf0/0x130 net/can/af_can.c:687
    [<ffffffff83f10bf6>] __netif_receive_skb_one_core+0x66/0x90 net/core/dev.c:5529
    [<ffffffff83f10c6d>] __netif_receive_skb+0x1d/0x90 net/core/dev.c:5643
    [<ffffffff83f10fcc>] process_backlog+0xbc/0x190 net/core/dev.c:5971
    [<ffffffff83f1215e>] __napi_poll+0x3e/0x310 net/core/dev.c:6533
    [<ffffffff83f12b78>] napi_poll net/core/dev.c:6602 [inline]
    [<ffffffff83f12b78>] net_rx_action+0x3d8/0x510 net/core/dev.c:6735
    [<ffffffff84b8974d>] __do_softirq+0xbd/0x2b0 kernel/softirq.c:553

BUG: memory leak
unreferenced object 0xffff88811f340000 (size 131072):
  comm "softirq", pid 0, jiffies 4294947604 (age 10.850s)
  hex dump (first 32 bytes):
    0e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff8157e703>] __kmalloc_large_node+0xe3/0x170 mm/slab_common.c:1157
    [<ffffffff8157ecbb>] __do_kmalloc_node mm/slab_common.c:995 [inline]
    [<ffffffff8157ecbb>] __kmalloc_node_track_caller+0xbb/0x150 mm/slab_common.c:1027
    [<ffffffff83ed49a6>] kmalloc_reserve+0x96/0x170 net/core/skbuff.c:582
    [<ffffffff83ed8585>] __alloc_skb+0xd5/0x230 net/core/skbuff.c:651
    [<ffffffff845473ef>] alloc_skb include/linux/skbuff.h:1286 [inline]
    [<ffffffff845473ef>] j1939_session_fresh_new net/can/j1939/transport.c:1535 [inline]
    [<ffffffff845473ef>] j1939_xtp_rx_rts_session_new net/can/j1939/transport.c:1631 [inline]
    [<ffffffff845473ef>] j1939_xtp_rx_rts+0x49f/0xa50 net/can/j1939/transport.c:1735
    [<ffffffff84547ea5>] j1939_tp_cmd_recv net/can/j1939/transport.c:2057 [inline]
    [<ffffffff84547ea5>] j1939_tp_recv+0x1b5/0x7f0 net/can/j1939/transport.c:2144
    [<ffffffff8453e3f9>] j1939_can_recv+0x349/0x4e0 net/can/j1939/main.c:112
    [<ffffffff8452eea4>] deliver net/can/af_can.c:572 [inline]
    [<ffffffff8452eea4>] can_rcv_filter+0xd4/0x290 net/can/af_can.c:606
    [<ffffffff8452f560>] can_receive+0xf0/0x140 net/can/af_can.c:663
    [<ffffffff8452f6a0>] can_rcv+0xf0/0x130 net/can/af_can.c:687
    [<ffffffff83f10bf6>] __netif_receive_skb_one_core+0x66/0x90 net/core/dev.c:5529
    [<ffffffff83f10c6d>] __netif_receive_skb+0x1d/0x90 net/core/dev.c:5643
    [<ffffffff83f10fcc>] process_backlog+0xbc/0x190 net/core/dev.c:5971
    [<ffffffff83f1215e>] __napi_poll+0x3e/0x310 net/core/dev.c:6533
    [<ffffffff83f12b78>] napi_poll net/core/dev.c:6602 [inline]
    [<ffffffff83f12b78>] net_rx_action+0x3d8/0x510 net/core/dev.c:6735
    [<ffffffff84b8974d>] __do_softirq+0xbd/0x2b0 kernel/softirq.c:553

BUG: memory leak
unreferenced object 0xffff88811dbb7400 (size 512):
  comm "softirq", pid 0, jiffies 4294947604 (age 10.850s)
  hex dump (first 32 bytes):
    00 40 32 1f 81 88 ff ff 28 50 32 1f 81 88 ff ff  .@2.....(P2.....
    28 50 32 1f 81 88 ff ff 18 74 bb 1d 81 88 ff ff  (P2......t......
  backtrace:
    [<ffffffff816339bd>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff816339bd>] slab_post_alloc_hook mm/slab.h:766 [inline]
    [<ffffffff816339bd>] slab_alloc_node mm/slub.c:3478 [inline]
    [<ffffffff816339bd>] __kmem_cache_alloc_node+0x2dd/0x3f0 mm/slub.c:3517
    [<ffffffff8157e845>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1098
    [<ffffffff84542463>] kmalloc include/linux/slab.h:600 [inline]
    [<ffffffff84542463>] kzalloc include/linux/slab.h:721 [inline]
    [<ffffffff84542463>] j1939_session_new+0x53/0x140 net/can/j1939/transport.c:1494
    [<ffffffff84547485>] j1939_session_fresh_new net/can/j1939/transport.c:1546 [inline]
    [<ffffffff84547485>] j1939_xtp_rx_rts_session_new net/can/j1939/transport.c:1631 [inline]
    [<ffffffff84547485>] j1939_xtp_rx_rts+0x535/0xa50 net/can/j1939/transport.c:1735
    [<ffffffff84547ea5>] j1939_tp_cmd_recv net/can/j1939/transport.c:2057 [inline]
    [<ffffffff84547ea5>] j1939_tp_recv+0x1b5/0x7f0 net/can/j1939/transport.c:2144
    [<ffffffff8453e3f9>] j1939_can_recv+0x349/0x4e0 net/can/j1939/main.c:112
    [<ffffffff8452eea4>] deliver net/can/af_can.c:572 [inline]
    [<ffffffff8452eea4>] can_rcv_filter+0xd4/0x290 net/can/af_can.c:606
    [<ffffffff8452f560>] can_receive+0xf0/0x140 net/can/af_can.c:663
    [<ffffffff8452f6a0>] can_rcv+0xf0/0x130 net/can/af_can.c:687
    [<ffffffff83f10bf6>] __netif_receive_skb_one_core+0x66/0x90 net/core/dev.c:5529
    [<ffffffff83f10c6d>] __netif_receive_skb+0x1d/0x90 net/core/dev.c:5643
    [<ffffffff83f10fcc>] process_backlog+0xbc/0x190 net/core/dev.c:5971
    [<ffffffff83f1215e>] __napi_poll+0x3e/0x310 net/core/dev.c:6533
    [<ffffffff83f12b78>] napi_poll net/core/dev.c:6602 [inline]
    [<ffffffff83f12b78>] net_rx_action+0x3d8/0x510 net/core/dev.c:6735
    [<ffffffff84b8974d>] __do_softirq+0xbd/0x2b0 kernel/softirq.c:553



---
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] 2+ messages in thread

* Re: [syzbot] [can?] memory leak in j1939_netdev_start
  2023-11-25  2:45 [syzbot] [can?] memory leak in j1939_netdev_start syzbot
@ 2025-12-21  7:58 ` syzbot
  0 siblings, 0 replies; 2+ messages in thread
From: syzbot @ 2025-12-21  7:58 UTC (permalink / raw)
  To: davem, eadavis, edumazet, kernel, kuba, linux-can, linux-kernel,
	mkl, n.zhandarovich, netdev, o.rempel, pabeni, robin, socketcan,
	syzkaller-bugs

syzbot has found a reproducer for the following issue on:

HEAD commit:    d8ba32c5a460 Merge tag 'block-6.19-20251218' of git://git...
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=13989392580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d60836e327fd6756
dashboard link: https://syzkaller.appspot.com/bug?extid=1d37bef05da87b99c5a6
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=155c4358580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10d1777c580000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/075f0ee95918/disk-d8ba32c5.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/8219d2472799/vmlinux-d8ba32c5.xz
kernel image: https://storage.googleapis.com/syzbot-assets/5d07c95aef4d/bzImage-d8ba32c5.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/2fd2ba265dd2/mount_9.gz
  fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=105f562a580000)

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+1d37bef05da87b99c5a6@syzkaller.appspotmail.com

BUG: memory leak
unreferenced object 0xffff88812437e000 (size 8192):
  comm "syz.3.27", pid 6191, jiffies 4294942739
  hex dump (first 32 bytes):
    00 e0 37 24 81 88 ff ff 00 e0 37 24 81 88 ff ff  ..7$......7$....
    00 00 00 00 00 00 00 00 00 80 67 14 81 88 ff ff  ..........g.....
  backtrace (crc 9710eadb):
    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]
    j1939_priv_create net/can/j1939/main.c:131 [inline]
    j1939_netdev_start+0x160/0x6f0 net/can/j1939/main.c:268
    j1939_sk_bind+0x247/0x590 net/can/j1939/socket.c:504
    __sys_bind_socket net/socket.c:1874 [inline]
    __sys_bind_socket net/socket.c:1866 [inline]
    __sys_bind+0x132/0x160 net/socket.c:1905
    __do_sys_bind net/socket.c:1910 [inline]
    __se_sys_bind net/socket.c:1908 [inline]
    __x64_sys_bind+0x1c/0x30 net/socket.c:1908
    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 0xffff88810cc00e00 (size 240):
  comm "softirq", pid 0, jiffies 4294942739
  hex dump (first 32 bytes):
    68 8a 63 24 81 88 ff ff 68 8a 63 24 81 88 ff ff  h.c$....h.c$....
    00 80 67 14 81 88 ff ff 00 00 00 00 00 00 00 00  ..g.............
  backtrace (crc 467a0d54):
    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]
    kmem_cache_alloc_node_noprof+0x384/0x5a0 mm/slub.c:5315
    __alloc_skb+0xe8/0x2b0 net/core/skbuff.c:679
    alloc_skb include/linux/skbuff.h:1383 [inline]
    j1939_session_fresh_new net/can/j1939/transport.c:1532 [inline]
    j1939_xtp_rx_rts_session_new net/can/j1939/transport.c:1630 [inline]
    j1939_xtp_rx_rts+0x3e4/0xb30 net/can/j1939/transport.c:1751
    j1939_tp_cmd_recv net/can/j1939/transport.c:2073 [inline]
    j1939_tp_recv+0x1b9/0x800 net/can/j1939/transport.c:2160
    j1939_can_recv+0x35f/0x4d0 net/can/j1939/main.c:108
    deliver net/can/af_can.c:575 [inline]
    can_rcv_filter+0xdd/0x2c0 net/can/af_can.c:609
    can_receive+0xf0/0x140 net/can/af_can.c:666
    can_rcv+0xf6/0x130 net/can/af_can.c:690
    __netif_receive_skb_one_core+0xeb/0x100 net/core/dev.c:6137
    __netif_receive_skb+0x1d/0x80 net/core/dev.c:6250
    process_backlog+0xd5/0x1e0 net/core/dev.c:6602
    __napi_poll+0x44/0x3a0 net/core/dev.c:7666
    napi_poll net/core/dev.c:7729 [inline]
    net_rx_action+0x492/0x560 net/core/dev.c:7881
    handle_softirqs+0xe1/0x2e0 kernel/softirq.c:622
    __do_softirq kernel/softirq.c:656 [inline]
    invoke_softirq kernel/softirq.c:496 [inline]
    __irq_exit_rcu+0x98/0xc0 kernel/softirq.c:723
    instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
    sysvec_apic_timer_interrupt+0x73/0x80 arch/x86/kernel/apic/apic.c:1056

BUG: memory leak
unreferenced object 0xffff88810a549e40 (size 704):
  comm "softirq", pid 0, jiffies 4294942739
  hex dump (first 32 bytes):
    0e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc fd324075):
    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]
    kmem_cache_alloc_node_noprof+0x384/0x5a0 mm/slub.c:5315
    kmalloc_reserve+0xe6/0x180 net/core/skbuff.c:586
    __alloc_skb+0x111/0x2b0 net/core/skbuff.c:690
    alloc_skb include/linux/skbuff.h:1383 [inline]
    j1939_session_fresh_new net/can/j1939/transport.c:1532 [inline]
    j1939_xtp_rx_rts_session_new net/can/j1939/transport.c:1630 [inline]
    j1939_xtp_rx_rts+0x3e4/0xb30 net/can/j1939/transport.c:1751
    j1939_tp_cmd_recv net/can/j1939/transport.c:2073 [inline]
    j1939_tp_recv+0x1b9/0x800 net/can/j1939/transport.c:2160
    j1939_can_recv+0x35f/0x4d0 net/can/j1939/main.c:108
    deliver net/can/af_can.c:575 [inline]
    can_rcv_filter+0xdd/0x2c0 net/can/af_can.c:609
    can_receive+0xf0/0x140 net/can/af_can.c:666
    can_rcv+0xf6/0x130 net/can/af_can.c:690
    __netif_receive_skb_one_core+0xeb/0x100 net/core/dev.c:6137
    __netif_receive_skb+0x1d/0x80 net/core/dev.c:6250
    process_backlog+0xd5/0x1e0 net/core/dev.c:6602
    __napi_poll+0x44/0x3a0 net/core/dev.c:7666
    napi_poll net/core/dev.c:7729 [inline]
    net_rx_action+0x492/0x560 net/core/dev.c:7881
    handle_softirqs+0xe1/0x2e0 kernel/softirq.c:622
    __do_softirq kernel/softirq.c:656 [inline]
    invoke_softirq kernel/softirq.c:496 [inline]
    __irq_exit_rcu+0x98/0xc0 kernel/softirq.c:723

BUG: memory leak
unreferenced object 0xffff888124638a00 (size 512):
  comm "softirq", pid 0, jiffies 4294942739
  hex dump (first 32 bytes):
    00 e0 37 24 81 88 ff ff 28 f0 37 24 81 88 ff ff  ..7$....(.7$....
    28 f0 37 24 81 88 ff ff 18 8a 63 24 81 88 ff ff  (.7$......c$....
  backtrace (crc 965e5f06):
    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]
    j1939_session_new+0x55/0x1d0 net/can/j1939/transport.c:1495
    j1939_session_fresh_new net/can/j1939/transport.c:1543 [inline]
    j1939_xtp_rx_rts_session_new net/can/j1939/transport.c:1630 [inline]
    j1939_xtp_rx_rts+0x47a/0xb30 net/can/j1939/transport.c:1751
    j1939_tp_cmd_recv net/can/j1939/transport.c:2073 [inline]
    j1939_tp_recv+0x1b9/0x800 net/can/j1939/transport.c:2160
    j1939_can_recv+0x35f/0x4d0 net/can/j1939/main.c:108
    deliver net/can/af_can.c:575 [inline]
    can_rcv_filter+0xdd/0x2c0 net/can/af_can.c:609
    can_receive+0xf0/0x140 net/can/af_can.c:666
    can_rcv+0xf6/0x130 net/can/af_can.c:690
    __netif_receive_skb_one_core+0xeb/0x100 net/core/dev.c:6137
    __netif_receive_skb+0x1d/0x80 net/core/dev.c:6250
    process_backlog+0xd5/0x1e0 net/core/dev.c:6602
    __napi_poll+0x44/0x3a0 net/core/dev.c:7666
    napi_poll net/core/dev.c:7729 [inline]
    net_rx_action+0x492/0x560 net/core/dev.c:7881
    handle_softirqs+0xe1/0x2e0 kernel/softirq.c:622
    __do_softirq kernel/softirq.c:656 [inline]
    invoke_softirq kernel/softirq.c:496 [inline]
    __irq_exit_rcu+0x98/0xc0 kernel/softirq.c:723
    instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
    sysvec_apic_timer_interrupt+0x73/0x80 arch/x86/kernel/apic/apic.c:1056

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


---
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] 2+ messages in thread

end of thread, other threads:[~2025-12-21  7:58 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-11-25  2:45 [syzbot] [can?] memory leak in j1939_netdev_start syzbot
2025-12-21  7:58 ` syzbot

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).