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WARNING in hci_conn_timeout (2)

Status: upstream: reported C repro on 2024/12/17 17:47
Subsystems: bluetooth
[Documentation on labels]
Reported-by: syzbot+fc4b5b2477d4ca272907@syzkaller.appspotmail.com
First crash: 101d, last: 32m
Cause bisection: failed (error log, bisect log)
  
▶ ▼ Discussions (4)
Title Replies (including bot) Last reply
[syzbot] Monthly bluetooth report (Mar 2025) 0 (1) 2025/03/20 23:48
[syzbot] Monthly bluetooth report (Feb 2025) 0 (1) 2025/02/17 12:44
[syzbot] Monthly bluetooth report (Jan 2025) 0 (1) 2025/01/17 10:35
[syzbot] [bluetooth?] WARNING in hci_conn_timeout (2) 0 (1) 2024/12/17 17:47
▶ ▼ Similar bugs (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in hci_conn_timeout bluetooth C done 6022 101d 1699d 28/28 fixed on 2024/12/16 09:50
linux-5.15 WARNING in hci_conn_timeout origin:lts-only C done 1177 1d02h 748d 0/3 upstream: reported C repro on 2023/03/10 14:50
linux-4.14 WARNING in hci_conn_timeout C inconclusive 27 767d 1701d 0/1 upstream: reported C repro on 2020/07/31 02:13
linux-4.19 WARNING in hci_conn_timeout C error 127 753d 1699d 0/1 upstream: reported C repro on 2020/08/01 17:09
linux-6.1 WARNING in hci_conn_timeout origin:lts-only C done 3381 1h36m 750d 0/3 upstream: reported C repro on 2023/03/08 17:34

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5842 at net/bluetooth/hci_conn.c:567 hci_conn_timeout+0xfb/0x290 net/bluetooth/hci_conn.c:567
Modules linked in:
CPU: 1 UID: 0 PID: 5842 Comm: kworker/u9:9 Not tainted 6.13.0-rc3-syzkaller-00044-gaef25be35d23 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Workqueue: hci4 hci_conn_timeout
RIP: 0010:hci_conn_timeout+0xfb/0x290 net/bluetooth/hci_conn.c:567
Code: 4c 89 f7 e8 07 c2 09 00 eb 07 e8 20 32 ed f6 b0 13 0f b6 f0 4c 89 f7 5b 41 5c 41 5e 41 5f 5d e9 5b b3 fe ff e8 06 32 ed f6 90 <0f> 0b 90 eb 8f 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 36 ff ff ff 48
RSP: 0018:ffffc900040afb90 EFLAGS: 00010293
RAX: ffffffff8ab2419a RBX: ffff8880306948e8 RCX: ffff888011953c00
RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
RBP: 00000000fffffffe R08: ffffffff8ab24103 R09: 1ffff110060d2802
R10: dffffc0000000000 R11: ffffed10060d2803 R12: dffffc0000000000
R13: ffffffff8168ee46 R14: ffff888030694000 R15: 0000000002400000
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f11a8aab9b4 CR3: 0000000032b94000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (330):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/12/18 09:16 upstream aef25be35d23 a0626d3a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in hci_conn_timeout
2024/12/17 12:45 upstream f44d154d6e3d f93b2b55 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in hci_conn_timeout
2025/02/26 18:57 upstream ac9c34d1e45a 6a8fcbc4 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in hci_conn_timeout
2024/12/31 15:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 573067a5a685 d3ccff63 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hci_conn_timeout
2025/03/04 21:34 upstream 99fa936e8e4f c3901742 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in hci_conn_timeout
2025/01/19 10:37 upstream fda5e3f28400 f2cb035c .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in hci_conn_timeout
2025/02/06 04:43 linux-next ed88b8b82c53 577d049b .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in hci_conn_timeout
2025/03/28 06:21 upstream 1a9239bb4253 6c09fb82 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in hci_conn_timeout
2025/03/26 09:19 upstream 2df0c02dab82 89d30d73 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in hci_conn_timeout
2025/03/25 07:58 upstream 327ecdbc0fda 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in hci_conn_timeout
2025/03/24 11:08 upstream 586de92313fc 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in hci_conn_timeout
2025/03/17 14:57 upstream 4701f33a1070 948c34e4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in hci_conn_timeout
2025/03/16 04:38 upstream 3571e8b091f4 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in hci_conn_timeout
2025/03/14 01:51 upstream 4003c9e78778 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in hci_conn_timeout
2025/03/09 19:38 upstream 1110ce6a1e34 163f510d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in hci_conn_timeout
2025/03/06 19:45 upstream 848e07631744 831e3629 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in hci_conn_timeout
2025/03/05 18:35 upstream 48a5eed9ad58 60f5d8d9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in hci_conn_timeout
2025/03/05 00:42 upstream 48a5eed9ad58 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in hci_conn_timeout
2025/03/04 09:17 upstream 99fa936e8e4f c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in hci_conn_timeout
2025/03/01 22:36 upstream 03d38806a902 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in hci_conn_timeout
2025/03/01 18:38 upstream 03d38806a902 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in hci_conn_timeout
2025/03/01 14:46 upstream 7a5668899f54 1e7a43e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in hci_conn_timeout
2025/02/28 17:29 upstream 76544811c850 1e7a43e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in hci_conn_timeout
2025/02/01 09:19 upstream 69e858e0b8b2 aa47157c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in hci_conn_timeout
2025/03/20 03:00 upstream a7f2e10ecd8f 3b7445cf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in hci_conn_timeout
2025/03/17 11:22 upstream 4701f33a1070 948c34e4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in hci_conn_timeout
2025/03/26 14:03 upstream 1e26c5e28ca5 19e40f48 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in hci_conn_timeout
2025/03/26 05:10 upstream 2df0c02dab82 89d30d73 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in hci_conn_timeout
2025/03/25 09:13 upstream 2f2d52945852 875573af .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in hci_conn_timeout
2025/03/24 03:46 upstream 586de92313fc 875573af .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in hci_conn_timeout
2025/03/23 01:01 upstream 183601b78a9b c6512ef7 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in hci_conn_timeout
2025/03/22 20:50 upstream 88d324e69ea9 c6512ef7 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in hci_conn_timeout
2025/03/20 07:47 upstream a7f2e10ecd8f 62330552 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in hci_conn_timeout
2025/03/18 22:16 upstream 76b6905c11fd 22a6c2b1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in hci_conn_timeout
2025/03/18 20:17 upstream 76b6905c11fd 22a6c2b1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in hci_conn_timeout
2025/03/18 13:25 upstream fc444ada1310 ce3352cd .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in hci_conn_timeout
2025/03/18 11:45 upstream fc444ada1310 ce3352cd .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in hci_conn_timeout
2025/03/16 01:28 upstream eb88e6bfbc0a e2826670 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in hci_conn_timeout
2025/03/15 20:34 upstream 3571e8b091f4 e2826670 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in hci_conn_timeout
2025/03/15 03:36 upstream 83158b21ae9a e2826670 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in hci_conn_timeout
2025/03/14 11:29 upstream e3a854b577cb e2826670 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in hci_conn_timeout
2025/03/13 22:18 upstream 4003c9e78778 e2826670 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in hci_conn_timeout
2025/03/13 05:29 upstream 0fed89a961ea 1a5d9317 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in hci_conn_timeout
2025/03/12 19:39 upstream 0fed89a961ea 1a5d9317 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in hci_conn_timeout
2025/03/11 18:53 upstream 0b46b049d6ec f2eee6b3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in hci_conn_timeout
2025/03/09 13:25 upstream 1110ce6a1e34 163f510d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in hci_conn_timeout
2025/03/06 14:06 upstream 848e07631744 831e3629 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in hci_conn_timeout
2025/03/06 11:42 upstream 848e07631744 831e3629 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in hci_conn_timeout
2025/02/27 12:03 upstream dd83757f6e68 6a8fcbc4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in hci_conn_timeout
2025/02/27 09:51 upstream 5394eea10651 6a8fcbc4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in hci_conn_timeout
2025/02/27 03:33 upstream 5394eea10651 6a8fcbc4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in hci_conn_timeout
2025/03/27 08:32 upstream f6e0150b2003 20510e88 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in hci_conn_timeout
2025/03/18 17:04 upstream 76b6905c11fd 22a6c2b1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in hci_conn_timeout
2025/03/17 04:21 upstream 4701f33a1070 948c34e4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in hci_conn_timeout
2025/03/08 21:51 upstream 2a520073e74f 7e3bd60d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in hci_conn_timeout
2025/03/06 06:28 upstream bb2281fb05e5 034534df .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in hci_conn_timeout
2025/03/24 01:31 bpf 6ccf6adb05d0 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in hci_conn_timeout
2025/03/21 16:27 bpf 6ccf6adb05d0 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in hci_conn_timeout
2025/03/10 13:09 bpf 6ccf6adb05d0 16256247 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in hci_conn_timeout
2025/03/06 10:31 bpf 6ccf6adb05d0 831e3629 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in hci_conn_timeout
2025/02/03 13:06 net 235174b2bed8 a21a8419 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in hci_conn_timeout
2025/03/27 20:28 bpf-next 9aa8fe29f624 6c09fb82 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in hci_conn_timeout
2025/03/13 12:32 net-next 0ea09cbf8350 44be8b44 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in hci_conn_timeout
2025/03/06 23:36 bpf-next 48b3be8d7f82 831e3629 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in hci_conn_timeout
2025/03/28 01:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a2392f333575 6c09fb82 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hci_conn_timeout
2025/03/18 04:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5618886fdab ce3352cd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hci_conn_timeout
2025/03/17 16:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5618886fdab 948c34e4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hci_conn_timeout
2025/03/14 14:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 059f6cbcfa70 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hci_conn_timeout
2025/02/28 12:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 017f704fbfb1 1e7a43e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hci_conn_timeout
2025/02/26 11:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a1c24ab82279 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in hci_conn_timeout
* Struck through repros no longer work on HEAD.