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: 1405d, last: now
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 2417712 now 3166d 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 40714 1h09m 1248d 0/3 upstream: reported C repro on 2023/03/10 16:35
android-49 no output from test machine -1 syz, C 4071 3196d 3196d 0/3 closed as invalid on 2017/11/09 10:06
android-44 no output from test machine -1 syz, C 26196 2441d 2675d 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 14066 48m 419d 0/2 upstream: reported C repro on 2025/06/16 15:39
android-49 no output from test machine (2) -1 syz, C 117634 2440d 2678d 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 54904 5m 1186d 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 25924 8m 1244d 0/3 upstream: reported C repro on 2023/03/15 03:10
upstream no output from test machine -1 syz, C 25143 3196d 3196d 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 1252d 2677d 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 131647 now 1741d 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 2511 1h17m 200d 0/1 premoderation: reported C repro on 2026/01/21 13:41
android-6-12 no output from test machine -1 syz, C 2041 263d 417d 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 2440d 2677d 0/1 public: reported C repro on 2019/04/12 00:01
android-54 no output from test machine -1 syz, C 35133 441d 2403d 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 1253d 2677d 0/1 upstream: reported C repro on 2019/04/12 02:22
Crashes (76196):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
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
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
2026/08/10 11:23 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/10 10:23 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/10 10:06 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/10 09:05 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/10 07:56 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/10 07:08 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/10 05:55 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/10 05:21 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/10 04:17 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/10 03:27 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/10 02:23 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/10 02:18 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/10 00:58 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/09 23:48 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/09 23:44 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/09 22:43 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/09 21:41 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/09 20:41 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/09 19:50 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/09 18:49 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/09 18:12 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/09 17:10 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/09 16:19 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/09 15:16 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/09 14:31 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/09 13:27 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/09 12:35 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/09 11:23 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/09 10:28 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/09 09:21 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/09 09:21 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/09 08:17 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/09 07:11 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/09 06:05 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/09 05:39 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/09 04:35 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/09 04:10 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/09 03:00 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/09 01:46 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/09 01:39 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/09 00:05 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/08 23:51 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/08 22:49 android13-5.15-lts 6148a1b6bae4 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/08 21:35 android13-5.15-lts 6148a1b6bae4 5d63f80b .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.