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: 1494d, 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 2604410 now 3255d 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 46565 1h40m 1337d 0/3 upstream: reported C repro on 2023/03/10 16:35
android-49 no output from test machine -1 syz, C 4071 3285d 3285d 0/3 closed as invalid on 2017/11/09 10:06
android-44 no output from test machine -1 syz, C 26196 2530d 2764d 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 18757 7m 508d 0/2 upstream: reported C repro on 2025/06/16 15:39
android-49 no output from test machine (2) -1 syz, C 117634 2529d 2767d 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 62366 1h39m 1275d 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 29028 1h43m 1333d 0/3 upstream: reported C repro on 2023/03/15 03:10
upstream no output from test machine -1 syz, C 25143 3285d 3285d 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 1341d 2766d 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 159778 now 1831d 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 8779 now 289d 0/1 premoderation: reported C repro on 2026/01/21 13:41
android-6-12 no output from test machine -1 syz, C 2041 352d 506d 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 2529d 2766d 0/1 public: reported C repro on 2019/04/12 00:01
android-54 no output from test machine -1 syz, C 35133 530d 2492d 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 1342d 2766d 0/1 upstream: reported C repro on 2019/04/12 02:22
Crashes (92993):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/11/07 00:10 android13-5.15-lts 2316d138a3c3 5cecaf1f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/06 18:11 android13-5.15-lts 2316d138a3c3 5cecaf1f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/06 15:06 android13-5.15-lts 2316d138a3c3 5cecaf1f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/06 12:14 android13-5.15-lts 2316d138a3c3 5cecaf1f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/05 17:17 android13-5.15-lts 2316d138a3c3 2ee8459f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/04 00:20 android13-5.15-lts 2316d138a3c3 e2d35131 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/03 09:07 android13-5.15-lts 2316d138a3c3 6969b601 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/03 06:12 android13-5.15-lts 2316d138a3c3 6969b601 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/02 18:47 android13-5.15-lts 2316d138a3c3 6969b601 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/02 08:26 android13-5.15-lts 2316d138a3c3 25a0ae84 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/01 16:04 android13-5.15-lts 2316d138a3c3 25a0ae84 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/01 06:34 android13-5.15-lts 2316d138a3c3 25a0ae84 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/31 20:57 android13-5.15-lts 2316d138a3c3 2041d3f8 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/31 16:13 android13-5.15-lts 2316d138a3c3 2041d3f8 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/31 05:11 android13-5.15-lts 2316d138a3c3 0ec395f8 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/29 10:03 android13-5.15-lts 2316d138a3c3 b1d00f76 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/28 21:22 android13-5.15-lts 2316d138a3c3 858db2ec .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/28 19:17 android13-5.15-lts 2316d138a3c3 858db2ec .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/28 17:05 android13-5.15-lts 2316d138a3c3 858db2ec .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/28 02:43 android13-5.15-lts 2316d138a3c3 96923c60 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/28 00:21 android13-5.15-lts 2316d138a3c3 96923c60 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/27 13:18 android13-5.15-lts 2316d138a3c3 168cb7a2 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/26 08:30 android13-5.15-lts 28ca5d8b733e 1d9ca40b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/25 09:38 android13-5.15-lts 668c22005aab 1d9ca40b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/24 23:38 android13-5.15-lts 668c22005aab 1d9ca40b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/24 13:00 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/24 10:46 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/24 00:20 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/22 22:02 android13-5.15-lts c4cfc3ce1d26 b55fad29 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/22 09:38 android13-5.15-lts 86eefba284ca 4ba27f85 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/21 17:21 android13-5.15-lts 86eefba284ca 61c200c7 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/21 04:51 android13-5.15-lts 86eefba284ca df8746fb .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/20 14:53 android13-5.15-lts 86eefba284ca df8746fb .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/19 11:44 android13-5.15-lts ff23d765b06f 432c0077 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/18 15:47 android13-5.15-lts ff23d765b06f 432c0077 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/16 23:37 android13-5.15-lts ff23d765b06f 4c840a2f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/15 19:52 android13-5.15-lts ff23d765b06f 8fb0ae89 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/06 04:06 android13-5.15-lts f5eaed2bbe33 f7710056 .config strace 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
2026/11/02 05:43 android13-5.15-lts 2316d138a3c3 25a0ae84 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/01 12:11 android13-5.15-lts 2316d138a3c3 25a0ae84 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/31 03:05 android13-5.15-lts 2316d138a3c3 0ec395f8 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/07 11:20 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/07 10:15 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/07 09:36 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/07 08:32 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/07 07:51 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/07 06:50 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/07 06:29 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/07 05:26 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/07 04:54 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/07 03:52 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/07 02:54 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/07 01:51 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/07 01:33 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/07 00:30 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/06 23:48 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/06 22:45 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/06 21:54 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 20:53 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 20:34 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 19:31 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 19:11 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 18:07 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 17:51 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 16:45 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/06 16:26 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 15:26 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/06 14:53 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 13:45 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 13:26 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/06 12:26 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 12:08 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 11:03 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 10:02 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/06 09:31 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 08:29 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 07:52 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/06 06:52 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 06:25 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 05:21 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/06 05:18 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 04:17 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 03:16 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/11/06 02:18 android13-5.15-lts 2316d138a3c3 5cecaf1f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/11/06 01:40 android13-5.15-lts 2316d138a3c3 5cecaf1f .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.