syzbot


WARNING in sco_chan_del

Status: upstream: reported on 2024/05/11 01:30
Subsystems: bluetooth
[Documentation on labels]
Reported-by: syzbot+85e9ce7008aa4afb189e@syzkaller.appspotmail.com
First crash: 198d, last: 11d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [bluetooth?] WARNING in sco_chan_del 0 (1) 2024/05/11 01:30

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 51 at kernel/workqueue.c:2257 __queue_work+0xc3a/0x1080 kernel/workqueue.c:2256
Modules linked in:
CPU: 1 UID: 0 PID: 51 Comm: kworker/1:1 Not tainted 6.12.0-rc6-syzkaller-00272-gda4373fbcf00 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Workqueue: events delayed_fput
RIP: 0010:__queue_work+0xc3a/0x1080 kernel/workqueue.c:2256
Code: 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 2f e7 97 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 80 5f 36 00 85 db 75 60 e8 37 5d 36 00 90 <0f> 0b 90 e9 f9 f7 ff ff e8 29 5d 36 00 90 0f 0b 90 e9 a8 f7 ff ff
RSP: 0018:ffffc90000bc7a78 EFLAGS: 00010093
RAX: 0000000000000000 RBX: ffff88801b090400 RCX: ffffffff8159028a
RDX: ffff88801b128000 RSI: ffffffff81571e19 RDI: ffff88801b090408
RBP: ffff888024f888c8 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000200000 R11: 0000000000000000 R12: ffff88802f3e8000
R13: 0000000000000008 R14: ffff888024f888d0 R15: ffff88802f3e8000
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fb11ff8 CR3: 000000002563c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __queue_delayed_work+0x21b/0x2e0 kernel/workqueue.c:2507
 queue_delayed_work_on+0x12a/0x150 kernel/workqueue.c:2552
 queue_delayed_work include/linux/workqueue.h:677 [inline]
 hci_conn_drop include/net/bluetooth/hci_core.h:1570 [inline]
 hci_conn_drop include/net/bluetooth/hci_core.h:1544 [inline]
 sco_chan_del+0x1ee/0x4b0 net/bluetooth/sco.c:183
 __sco_sock_close+0xf2/0x640 net/bluetooth/sco.c:465
 sco_sock_close net/bluetooth/sco.c:480 [inline]
 sco_sock_release+0x6f/0x2d0 net/bluetooth/sco.c:1255
 __sock_release+0xb0/0x270 net/socket.c:658
 sock_close+0x1c/0x30 net/socket.c:1426
 __fput+0x3f6/0xb60 fs/file_table.c:431
 delayed_fput+0x72/0x90 fs/file_table.c:454
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (10):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/09 13:42 upstream da4373fbcf00 6b856513 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in sco_chan_del
2024/07/20 16:43 upstream 3c3ff7be9729 b88348e9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in sco_chan_del
2024/05/07 01:18 upstream ee5b455b0ada fa7a5cf0 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in sco_chan_del
2024/10/26 05:01 net e31a8219fbfc 65e8686b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in sco_chan_del
2024/07/11 03:25 net e1533b6319ab c699c2eb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in sco_chan_del
2024/06/06 07:07 net f8f0de9d58d9 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in sco_chan_del
2024/11/02 00:23 net-next dbb9a7ef3478 f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in sco_chan_del
2024/09/12 18:13 net-next 3cfb5aa10cb7 60e1a995 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in sco_chan_del
2024/05/14 20:29 net-next 5c1672705a1a fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in sco_chan_del
2024/05/07 16:35 net-next 7824463aaea9 cb2dcc0e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-net-next-test-gce WARNING in sco_chan_del
* Struck through repros no longer work on HEAD.