no output from test machine

Status: premoderation: reported C repro on 2022/10/05 11:25
Bug presence: origin:upstream
Subsystems: f2fs ext4
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+788c480305188227f16a@syzkaller.appspotmail.com
First crash: 1411d, last: 6m
Cause bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (4)
Date Name Commit Repro Result
2024/10/23 android13-5.15-lts (ToT) 5e4635681cf1 C [report] BUG: workqueue lockup
2023/09/13 lts (merge base) aff03380bda4 C [report] BUG: workqueue lockup
2023/09/13 upstream (ToT) 3669558bdf35 C [report] BUG: workqueue lockup
2024/10/23 upstream (ToT) c2ee9f594da8 C Didn't crash
▶ ▼ Similar bugs (16)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream no output from test machine (2) prio:high -1 syz, C done 2430780 now 3172d 0/29 moderation: reported C repro on 2017/12/09 10:34
linux-6.1 no output from test machine origin:upstream missing-backport -1 syz, C unreliable 40963 1h29m 1255d 0/3 upstream: reported C repro on 2023/03/10 16:35
android-49 no output from test machine -1 syz, C 4071 3202d 3202d 0/3 closed as invalid on 2017/11/09 10:06
android-44 no output from test machine -1 syz, C 26196 2447d 2681d 0/2 public: reported C repro on 2019/04/14 00:00
linux-6.6 no output from test machine origin:upstream -1 syz, C 14354 10m 426d 0/2 upstream: reported C repro on 2025/06/16 15:39
android-49 no output from test machine (2) -1 syz, C 117634 2447d 2685d 0/3 public: reported C repro on 2019/04/10 16:04
android-6-1 no output from test machine origin:upstream missing-backport -1 syz, C error 55426 42m 1193d 0/2 premoderation: reported C repro on 2023/05/11 13:21
linux-5.15 no output from test machine missing-backport origin:upstream -1 syz, C done 26094 5m 1250d 0/3 upstream: reported C repro on 2023/03/15 03:10
upstream no output from test machine -1 syz, C 25143 3202d 3202d 0/29 closed as invalid on 2017/11/09 10:06
linux-4.19 no output from test machine f2fs ext4 -1 syz, C 47618 1259d 2684d 0/1 upstream: reported C repro on 2019/04/11 15:08
android-5-10 no output from test machine ext4 -1 syz, C error 133689 now 1748d 0/2 upstream: reported C repro on 2021/11/02 11:48
android-6-12 no output from test machine (2) origin:lts -1 syz, C 2970 10m 207d 0/1 premoderation: reported C repro on 2026/01/21 13:41
android-6-12 no output from test machine -1 syz, C 2041 270d 423d 0/1 auto-obsoleted due to no activity on 2026/01/08 17:52
android-414 no output from test machine -1 syz, C 39537 2447d 2683d 0/1 public: reported C repro on 2019/04/12 00:01
android-54 no output from test machine -1 syz, C 35133 448d 2410d 0/2 upstream: reported C repro on 2020/01/10 17:08
linux-4.14 no output from test machine nilfs2 -1 syz, C 40559 1260d 2683d 0/1 upstream: reported C repro on 2019/04/12 02:22
Crashes (77189):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/16 21:30 android13-5.15-lts 54275df9611d 746171ee .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/16 18:42 android13-5.15-lts 54275df9611d 746171ee .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/16 15:22 android13-5.15-lts 54275df9611d 746171ee .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/16 12:22 android13-5.15-lts 54275df9611d 746171ee .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/16 09:40 android13-5.15-lts 54275df9611d 746171ee .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/16 06:29 android13-5.15-lts 54275df9611d 746171ee .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/15 15:42 android13-5.15-lts 54275df9611d 746171ee .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/15 13:03 android13-5.15-lts 54275df9611d 746171ee .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/15 10:01 android13-5.15-lts 54275df9611d 746171ee .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/14 02:58 android13-5.15-lts 54275df9611d b13552fe .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/13 15:18 android13-5.15-lts 54275df9611d 359b2492 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/12 07:37 android13-5.15-lts 54275df9611d f8d35649 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/11 03:16 android13-5.15-lts 6148a1b6bae4 508909ea .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/10 17:39 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/10 01:14 android13-5.15-lts 6148a1b6bae4 5d63f80b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/09 11:35 android13-5.15-lts 6148a1b6bae4 5d63f80b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/09 00:15 android13-5.15-lts 6148a1b6bae4 5d63f80b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/08 21:31 android13-5.15-lts 6148a1b6bae4 5d63f80b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/08 13:42 android13-5.15-lts 6148a1b6bae4 5d63f80b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/08 11:09 android13-5.15-lts 6148a1b6bae4 5d63f80b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/07 17:13 android13-5.15-lts 6148a1b6bae4 e4ef95d6 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/07 09:38 android13-5.15-lts b885b84af7a2 c38879ea .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/07 05:44 android13-5.15-lts b885b84af7a2 c38879ea .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/07 02:22 android13-5.15-lts b885b84af7a2 c38879ea .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/05 12:17 android13-5.15-lts b885b84af7a2 52aa2820 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/04 18:44 android13-5.15-lts b885b84af7a2 d4abbeac .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/04 09:13 android13-5.15-lts b885b84af7a2 9451e17e .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/04 08:54 android13-5.15-lts b885b84af7a2 9451e17e .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/02 20:57 android13-5.15-lts 61d896ee2a80 e611ffe1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/02 16:59 android13-5.15-lts 61d896ee2a80 e611ffe1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/02 04:22 android13-5.15-lts 61d896ee2a80 e611ffe1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/02 01:39 android13-5.15-lts 61d896ee2a80 e611ffe1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/01 22:28 android13-5.15-lts 61d896ee2a80 e611ffe1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/01 13:46 android13-5.15-lts 61d896ee2a80 e611ffe1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/07/27 21:11 android13-5.15-lts 61d896ee2a80 aae9036b .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/07/26 19:26 android13-5.15-lts 61d896ee2a80 492bab15 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/07/25 08:02 android13-5.15-lts 61d896ee2a80 492bab15 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/07/15 15:53 android13-5.15-lts 69abf46f05d2 a4ed0f4f .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/07/09 23:43 android13-5.15-lts 75b5efeda69c a0c310a3 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/07/06 08:26 android13-5.15-lts a64de05eba09 fcece630 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/07/02 09:15 android13-5.15-lts c85054db4618 27192279 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/06/30 09:39 android13-5.15-lts c85054db4618 fff8d0a0 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/06/30 07:05 android13-5.15-lts c85054db4618 fff8d0a0 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2023/09/13 01:04 android13-5.15-lts ea586874d2f9 59da8366 .config strace log syz C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2023/05/01 20:42 android13-5.15-lts 6d40cb68a657 62df2017 .config strace log syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-5-15 no output from test machine
2022/10/15 18:46 android13-5.15-lts 44b8b2ac1d96 67cb024c .config strace log syz C [disk image] [vmlinux] ci2-android-5-15 no output from test machine
2026/08/16 20:44 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 19:43 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 18:37 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 17:34 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 16:40 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 15:28 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 14:37 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 13:33 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 13:23 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 12:05 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 10:59 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 10:48 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/16 09:25 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 08:18 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 07:55 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 05:49 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 05:49 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 04:44 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/16 03:43 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 03:36 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/16 02:34 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 01:22 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 01:09 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/16 00:06 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/15 22:58 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/15 22:14 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/15 21:06 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/15 19:52 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/15 19:41 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/15 18:30 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/15 17:30 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/15 16:46 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/15 14:47 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/15 14:07 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/15 12:19 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/15 12:09 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/15 11:01 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/15 09:59 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/15 09:07 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/15 08:05 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/15 06:19 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/15 04:57 android13-5.15-lts 54275df9611d 746171ee .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2022/10/05 11:24 android13-5.15-lts 4305285a3554 267e3bb1 .config console log info [disk image] [vmlinux] ci2-android-5-15 no output from test machine
* Struck through repros no longer work on HEAD.