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: 150d, last: 21d
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: 6481 at kernel/workqueue.c:2259 __queue_work+0xc2b/0x1070 kernel/workqueue.c:2258
Modules linked in:
CPU: 1 PID: 6481 Comm: syz.2.336 Not tainted 6.10.0-syzkaller-10729-g3c3ff7be9729 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:__queue_work+0xc2b/0x1070 kernel/workqueue.c:2258
Code: 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 8e 72 91 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 2f 1e 35 00 85 db 75 60 e8 26 23 35 00 90 <0f> 0b 90 e9 08 f8 ff ff e8 18 23 35 00 90 0f 0b 90 e9 b7 f7 ff ff
RSP: 0018:ffffc90003d87a28 EFLAGS: 00010083
RAX: 0000000000002729 RBX: 0000000000000000 RCX: ffffc90004ba9000
RDX: 0000000000040000 RSI: ffffffff81552e0a RDI: 0000000000000005
RBP: ffff88802ae448c8 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880617d2000
R13: 0000000000000008 R14: ffff88802ae448d0 R15: ffff8880617d2000
FS:  00007f82c99496c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f516ff8 CR3: 00000000639fa000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __queue_delayed_work+0x21b/0x2e0 kernel/workqueue.c:2509
 queue_delayed_work_on+0x12a/0x150 kernel/workqueue.c:2554
 queue_delayed_work include/linux/workqueue.h:636 [inline]
 hci_conn_drop include/net/bluetooth/hci_core.h:1575 [inline]
 hci_conn_drop include/net/bluetooth/hci_core.h:1549 [inline]
 sco_chan_del+0x1ee/0x4b0 net/bluetooth/sco.c:175
 __sco_sock_close+0xf2/0x640 net/bluetooth/sco.c:459
 sco_sock_close net/bluetooth/sco.c:474 [inline]
 sco_sock_release+0x6f/0x2d0 net/bluetooth/sco.c:1249
 __sock_release+0xb0/0x270 net/socket.c:659
 sock_close+0x1c/0x30 net/socket.c:1421
 __fput+0x408/0xbb0 fs/file_table.c:422
 task_work_run+0x14e/0x250 kernel/task_work.c:222
 get_signal+0x1ca/0x2770 kernel/signal.c:2689
 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82c8b75b59
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f82c9949048 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: fffffffffffffffc RBX: 00007f82c8d05f60 RCX: 00007f82c8b75b59
RDX: 0000000000000008 RSI: 0000000020000000 RDI: 0000000000000005
RBP: 00007f82c8be4e5d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f82c8d05f60 R15: 00007ffdc6d93f48
 </TASK>

Crashes (7):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2024/07/11 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
2024/09/12 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.