syzbot

 sign-in | mailing list | source | docs
🐞 Open [731]
🐞 Fixed [113]
🐞 Invalid [685]
⬇ Missing Backports [75]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
💬 Send us feedback

WARNING in hci_conn_timeout

Status: upstream: reported C repro on 2023/03/08 17:34
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+bfbb27ac82ea130a7a95@syzkaller.appspotmail.com
First crash: 751d, last: now
Fix commit to backport (bisect log) :
tree: upstream
commit 5af1f84ed13a416297ab9ced7537f4d5ae7f329a
Author: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Date: Thu Aug 3 18:04:51 2023 +0000

  Bluetooth: hci_sync: Fix UAF on hci_abort_conn_sync

  
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2023/10/30 linux-6.1.y (ToT) 32c9cdbe383c C [report] WARNING in hci_conn_timeout
2023/10/30 upstream (ToT) ffc253263a13 C Didn't crash
▶ ▼ 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 102d 1700d 28/28 fixed on 2024/12/16 09:50
linux-5.15 WARNING in hci_conn_timeout origin:lts-only C done 1177 1d19h 749d 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
upstream WARNING in hci_conn_timeout (2) bluetooth C error 334 1h25m 101d 0/28 upstream: reported C repro on 2024/12/17 17:47
linux-4.19 WARNING in hci_conn_timeout C error 127 754d 1700d 0/1 upstream: reported C repro on 2020/08/01 17:09
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2023/11/20 09:22 6h03m fix candidate upstream OK (1) job log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 47 at net/bluetooth/hci_conn.c:663 hci_conn_timeout+0x250/0x450
Modules linked in:
CPU: 0 PID: 47 Comm: kworker/u5:0 Not tainted 6.1.80-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Workqueue: hci0 hci_conn_timeout
RIP: 0010:hci_conn_timeout+0x250/0x450 net/bluetooth/hci_conn.c:663
Code: 73 8e e8 43 49 52 f8 48 8b 35 e4 70 e3 04 bf 08 00 00 00 48 89 da 5b 41 5c 41 5d 41 5e 41 5f 5d e9 95 9f c9 f7 e8 80 d3 fa f7 <0f> 0b e9 34 fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd ff
RSP: 0018:ffffc90000b87c28 EFLAGS: 00010293
RAX: ffffffff898fab90 RBX: ffff88807f3ae250 RCX: ffff88801a2a1dc0
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: 00000000ffffffff R08: ffffffff898fa9a1 R09: ffffed100fe75c03
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff11003355e03 R14: ffff88807f3ae000 R15: ffffffff815ab459
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb268931248 CR3: 000000000ce8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>

Crashes (3390):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/03/04 02:36 linux-6.1.y a3eb3a74aa8c 25905f5d .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2024/01/21 10:10 linux-6.1.y 8fd7f4462453 9bd8dcda .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2023/12/29 14:31 linux-6.1.y 4aa6747d9352 fb427a07 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2023/08/12 19:50 linux-6.1.y 1321ab403b38 39990d51 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2024/04/28 06:30 linux-6.1.y f2295faba5e8 07b455f9 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2024/04/25 11:45 linux-6.1.y 6741e066ec76 8bdc0f22 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2023/08/05 06:34 linux-6.1.y 52a953d0934b cdae481e .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2023/06/26 12:49 linux-6.1.y e84a4e368abe 79782afc .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2023/05/30 02:11 linux-6.1.y a343b0dd87b4 cf184559 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2023/03/27 04:20 linux-6.1.y e3a87a10f259 fbf0499a .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2023/03/11 04:13 linux-6.1.y 8a923980a190 5205ef30 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2023/08/30 01:21 linux-6.1.y 024f76bca9d0 ce731e62 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2023/08/27 07:39 linux-6.1.y cd363bb9548e 7ba13a15 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2023/08/16 06:26 linux-6.1.y 1321ab403b38 39990d51 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2023/06/06 21:57 linux-6.1.y 76ba310227d2 a4ae4f42 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2023/05/26 04:24 linux-6.1.y a343b0dd87b4 0513b3e6 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2023/04/30 18:28 linux-6.1.y ca1c9012c941 62df2017 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2023/03/18 08:38 linux-6.1.y 7eaef76fbc46 7939252e .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2023/03/11 05:39 linux-6.1.y 8a923980a190 5205ef30 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2023/05/02 08:01 linux-6.1.y ca48fc16c493 62df2017 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/28 23:52 linux-6.1.y 8e60a714ba3b 9a1a9e31 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/28 21:14 linux-6.1.y 344a09659766 9a1a9e31 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/28 17:59 linux-6.1.y 344a09659766 9a1a9e31 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in hci_conn_timeout
2025/03/27 14:43 linux-6.1.y 344a09659766 6c09fb82 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/26 19:25 linux-6.1.y 344a09659766 20510e88 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in hci_conn_timeout
2025/03/26 18:02 linux-6.1.y 344a09659766 20510e88 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/26 16:01 linux-6.1.y 344a09659766 89d30d73 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/26 13:50 linux-6.1.y 344a09659766 89d30d73 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in hci_conn_timeout
2025/03/26 05:27 linux-6.1.y 344a09659766 89d30d73 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in hci_conn_timeout
2025/03/24 19:56 linux-6.1.y 344a09659766 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/24 12:56 linux-6.1.y 344a09659766 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/24 02:12 linux-6.1.y 344a09659766 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in hci_conn_timeout
2025/03/24 00:21 linux-6.1.y 344a09659766 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/22 02:47 linux-6.1.y 344a09659766 c6512ef7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/21 10:00 linux-6.1.y 344a09659766 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in hci_conn_timeout
2025/03/20 07:29 linux-6.1.y 344a09659766 9209bc22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in hci_conn_timeout
2025/03/20 05:29 linux-6.1.y 344a09659766 9209bc22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/19 16:36 linux-6.1.y 344a09659766 e20d7b13 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/18 17:53 linux-6.1.y 344a09659766 22a6c2b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in hci_conn_timeout
2025/03/18 15:57 linux-6.1.y 344a09659766 22a6c2b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/18 06:31 linux-6.1.y 344a09659766 ce3352cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/18 00:12 linux-6.1.y 344a09659766 ce3352cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in hci_conn_timeout
2025/03/17 23:09 linux-6.1.y 344a09659766 ce3352cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in hci_conn_timeout
2025/03/17 17:42 linux-6.1.y 344a09659766 948c34e4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/17 15:00 linux-6.1.y 344a09659766 948c34e4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/17 08:55 linux-6.1.y 344a09659766 948c34e4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in hci_conn_timeout
2025/03/17 00:21 linux-6.1.y 344a09659766 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/16 23:20 linux-6.1.y 344a09659766 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/16 22:55 linux-6.1.y 344a09659766 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hci_conn_timeout
2025/03/28 15:21 linux-6.1.y 344a09659766 9a1a9e31 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2025/03/28 05:17 linux-6.1.y 344a09659766 6c09fb82 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2025/03/27 11:02 linux-6.1.y 344a09659766 20510e88 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2025/03/25 02:28 linux-6.1.y 344a09659766 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2025/03/24 22:48 linux-6.1.y 344a09659766 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2025/03/23 14:03 linux-6.1.y 344a09659766 4e8d3850 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2025/03/23 09:27 linux-6.1.y 344a09659766 4e8d3850 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2025/03/23 00:12 linux-6.1.y 344a09659766 c6512ef7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2025/03/22 21:38 linux-6.1.y 344a09659766 c6512ef7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2025/03/22 20:29 linux-6.1.y 344a09659766 c6512ef7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2025/03/22 18:47 linux-6.1.y 344a09659766 c6512ef7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2025/03/21 22:10 linux-6.1.y 344a09659766 c6512ef7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2025/03/21 20:53 linux-6.1.y 344a09659766 c6512ef7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2025/03/21 20:16 linux-6.1.y 344a09659766 c6512ef7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2025/03/20 19:02 linux-6.1.y 344a09659766 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2025/03/20 13:24 linux-6.1.y 344a09659766 9209bc22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2025/03/19 00:43 linux-6.1.y 344a09659766 22a6c2b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2025/03/18 12:42 linux-6.1.y 344a09659766 ce3352cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2025/03/17 06:20 linux-6.1.y 344a09659766 948c34e4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
2023/03/08 17:34 linux-6.1.y 42616e0f09fb 4fc6d98d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hci_conn_timeout
* Struck through repros no longer work on HEAD.