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: 1402d, last: 11m
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 2411614 now 3163d 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 40610 1h02m 1246d 0/3 upstream: reported C repro on 2023/03/10 16:35
android-49 no output from test machine -1 syz, C 4071 3193d 3193d 0/3 closed as invalid on 2017/11/09 10:06
android-44 no output from test machine -1 syz, C 26196 2438d 2672d 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 13938 49m 417d 0/2 upstream: reported C repro on 2025/06/16 15:39
android-49 no output from test machine (2) -1 syz, C 117634 2438d 2676d 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 54633 10m 1184d 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 25880 1h23m 1241d 0/3 upstream: reported C repro on 2023/03/15 03:10
upstream no output from test machine -1 syz, C 25143 3193d 3193d 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 1250d 2675d 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 130661 now 1739d 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 2384 48m 198d 0/1 premoderation: reported C repro on 2026/01/21 13:41
android-6-12 no output from test machine -1 syz, C 2041 260d 414d 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 2438d 2674d 0/1 public: reported C repro on 2019/04/12 00:01
android-54 no output from test machine -1 syz, C 35133 438d 2400d 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 1250d 2674d 0/1 upstream: reported C repro on 2019/04/12 02:22
Crashes (75609):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2026/06/29 09:17 android13-5.15-lts c85054db4618 fb92f11c .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/06/27 10:45 android13-5.15-lts c85054db4618 fb92f11c .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/06/24 09:27 android13-5.15-lts c85054db4618 042555ff .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/06/18 20:10 android13-5.15-lts b4be5dda13e9 a776b0d0 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/06/18 09:30 android13-5.15-lts b4be5dda13e9 b62b3ded .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/06/18 05:27 android13-5.15-lts b4be5dda13e9 b62b3ded .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/06/15 18:00 android13-5.15-lts b4be5dda13e9 50bb0618 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/06/14 01:40 android13-5.15-lts 30f5554a846e 1d2f3589 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/06/03 05:52 android13-5.15-lts 8969ee93a483 3c0d2131 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/05/30 12:06 android13-5.15-lts 8969ee93a483 6b4a8443 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/05/29 08:28 android13-5.15-lts 8969ee93a483 4624854e .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/05/28 23:05 android13-5.15-lts 8969ee93a483 681715f7 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/05/25 21:25 android13-5.15-lts 05eea940894a c69befb3 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2025/08/27 08:01 android13-5.15-lts f32b52534f1d e12e5ba4 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf 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
2026/06/27 15:01 android13-5.15-lts c85054db4618 fb92f11c .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/06/24 05:12 android13-5.15-lts c85054db4618 042555ff .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/06/01 02:16 android13-5.15-lts 8969ee93a483 6b4a8443 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/05/30 04:32 android13-5.15-lts 8969ee93a483 6b4a8443 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/05/27 07:21 android13-5.15-lts 8969ee93a483 2b01f00e .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/05/26 03:39 android13-5.15-lts 05eea940894a c69befb3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/07 15:37 android13-5.15-lts 6148a1b6bae4 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/07 14:52 android13-5.15-lts 6148a1b6bae4 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/07 13:34 android13-5.15-lts 6148a1b6bae4 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/07 11:51 android13-5.15-lts 6148a1b6bae4 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/07 10:58 android13-5.15-lts b885b84af7a2 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/07 08:58 android13-5.15-lts b885b84af7a2 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/07 07:56 android13-5.15-lts b885b84af7a2 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/07 06:44 android13-5.15-lts b885b84af7a2 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/07 05:30 android13-5.15-lts b885b84af7a2 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/07 04:26 android13-5.15-lts b885b84af7a2 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/07 03:24 android13-5.15-lts b885b84af7a2 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/07 01:40 android13-5.15-lts b885b84af7a2 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/07 00:25 android13-5.15-lts b885b84af7a2 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/06 23:20 android13-5.15-lts b885b84af7a2 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/06 21:17 android13-5.15-lts b885b84af7a2 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/06 20:54 android13-5.15-lts b885b84af7a2 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/06 19:52 android13-5.15-lts b885b84af7a2 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/06 18:45 android13-5.15-lts b885b84af7a2 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/06 17:57 android13-5.15-lts b885b84af7a2 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/06 16:50 android13-5.15-lts b885b84af7a2 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/06 15:19 android13-5.15-lts b885b84af7a2 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/06 13:58 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/06 13:54 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/06 12:36 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/06 11:32 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/06 11:31 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/06 10:31 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/06 09:29 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/06 09:00 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/06 08:00 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/06 07:58 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/06 06:51 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/06 05:31 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/06 04:46 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/06 03:38 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/06 03:22 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/06 02:11 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/06 01:10 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/06 00:20 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/05 23:20 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/05 22:19 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/05 21:25 android13-5.15-lts b885b84af7a2 cd5b1963 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/05 20:24 android13-5.15-lts b885b84af7a2 cd5b1963 .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.