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: 1453d, last: 8m
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 2511458 now 3214d 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 43246 1h11m 1296d 0/3 upstream: reported C repro on 2023/03/10 16:35
android-49 no output from test machine -1 syz, C 4071 3244d 3244d 0/3 closed as invalid on 2017/11/09 10:06
android-44 no output from test machine -1 syz, C 26196 2489d 2723d 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 16310 5m 467d 0/2 upstream: reported C repro on 2025/06/16 15:39
android-49 no output from test machine (2) -1 syz, C 117634 2489d 2726d 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 58783 7m 1235d 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 27246 1h30m 1292d 0/3 upstream: reported C repro on 2023/03/15 03:10
upstream no output from test machine -1 syz, C 25143 3244d 3244d 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 1300d 2725d 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 149239 now 1790d 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 5936 now 249d 0/1 premoderation: reported C repro on 2026/01/21 13:41
android-6-12 no output from test machine -1 syz, C 2041 311d 465d 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 2489d 2725d 0/1 public: reported C repro on 2019/04/12 00:01
android-54 no output from test machine -1 syz, C 35133 489d 2451d 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 1301d 2725d 0/1 upstream: reported C repro on 2019/04/12 02:22
Crashes (84455):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/09/27 03:02 android13-5.15-lts 776976664f31 a3c7249d .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/26 23:10 android13-5.15-lts 776976664f31 a3c7249d .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/26 20:35 android13-5.15-lts 776976664f31 a3c7249d .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/26 16:10 android13-5.15-lts 776976664f31 a3c7249d .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/26 13:50 android13-5.15-lts 776976664f31 a3c7249d .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/25 11:09 android13-5.15-lts 5bfe2b8c1439 f281d9d2 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/25 07:43 android13-5.15-lts 5bfe2b8c1439 f281d9d2 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/24 09:10 android13-5.15-lts 5bfe2b8c1439 0281b448 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/23 17:44 android13-5.15-lts 5bfe2b8c1439 abce1216 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/23 08:39 android13-5.15-lts 5bfe2b8c1439 5207b90e .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/22 18:52 android13-5.15-lts 5bfe2b8c1439 e12281bd .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/22 11:24 android13-5.15-lts 5bfe2b8c1439 e12281bd .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/21 21:59 android13-5.15-lts 5bfe2b8c1439 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/21 07:55 android13-5.15-lts 5bfe2b8c1439 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/20 18:40 android13-5.15-lts 5bfe2b8c1439 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/20 04:38 android13-5.15-lts 5bfe2b8c1439 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/20 00:57 android13-5.15-lts 5bfe2b8c1439 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/19 16:00 android13-5.15-lts 5bfe2b8c1439 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/19 07:55 android13-5.15-lts 5bfe2b8c1439 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/19 05:35 android13-5.15-lts 5bfe2b8c1439 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/18 02:37 android13-5.15-lts 5bfe2b8c1439 8d7d05f1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/17 22:51 android13-5.15-lts 5bfe2b8c1439 8d7d05f1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/15 23:14 android13-5.15-lts 5bfe2b8c1439 2daa4bb5 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/15 19:23 android13-5.15-lts 5bfe2b8c1439 2daa4bb5 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/15 10:25 android13-5.15-lts 5bfe2b8c1439 81a27d1a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/14 10:56 android13-5.15-lts 5bfe2b8c1439 70a60e12 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/14 07:11 android13-5.15-lts 5bfe2b8c1439 70a60e12 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/14 03:27 android13-5.15-lts 5bfe2b8c1439 70a60e12 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/13 22:22 android13-5.15-lts 5bfe2b8c1439 70a60e12 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/13 18:31 android13-5.15-lts 5bfe2b8c1439 70a60e12 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/13 10:50 android13-5.15-lts 5bfe2b8c1439 70a60e12 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/12 22:04 android13-5.15-lts 5bfe2b8c1439 70a60e12 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/12 18:53 android13-5.15-lts 5bfe2b8c1439 70a60e12 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/12 13:13 android13-5.15-lts 5bfe2b8c1439 70a60e12 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/12 08:15 android13-5.15-lts 5bfe2b8c1439 70a60e12 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/11 22:30 android13-5.15-lts 45bb2952b61c b6a5eeb7 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/11 05:10 android13-5.15-lts 6b20b42b6635 1fe56c0a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/08 21:59 android13-5.15-lts 24104b3bc9b7 243b72f1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/08 11:09 android13-5.15-lts e9b8a6529ffa 680aa3e1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/08 08:09 android13-5.15-lts e9b8a6529ffa 680aa3e1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/08 01:32 android13-5.15-lts e9b8a6529ffa 680aa3e1 .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
2026/09/27 13:28 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/27 12:27 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/27 11:48 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/27 10:43 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/27 09:48 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/27 08:43 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/27 07:49 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/27 06:49 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/27 06:09 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/27 05:07 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/27 04:16 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/27 02:46 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/27 01:37 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/27 00:16 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/27 00:11 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/26 22:58 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/26 21:51 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/26 19:42 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/26 18:40 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/26 17:25 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/26 16:25 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/26 16:10 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/26 15:08 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/26 14:06 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/26 13:15 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/26 11:53 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/26 11:22 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/26 10:17 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/26 09:56 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/26 08:54 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/26 07:49 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/26 06:49 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/26 05:45 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/26 05:37 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/26 04:12 android13-5.15-lts 776976664f31 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/26 02:13 android13-5.15-lts 81cf8006a12f f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/26 00:52 android13-5.15-lts 81cf8006a12f f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/25 23:11 android13-5.15-lts 81cf8006a12f f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/25 21:44 android13-5.15-lts 81cf8006a12f f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/25 20:27 android13-5.15-lts 81cf8006a12f f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/25 19:44 android13-5.15-lts 81cf8006a12f f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/25 18:32 android13-5.15-lts 81cf8006a12f f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/25 17:16 android13-5.15-lts 81cf8006a12f f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/25 16:13 android13-5.15-lts 81cf8006a12f f281d9d2 .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.