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: 1462d, 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 2530903 now 3223d 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 43803 6m 1305d 0/3 upstream: reported C repro on 2023/03/10 16:35
android-49 no output from test machine -1 syz, C 4071 3253d 3253d 0/3 closed as invalid on 2017/11/09 10:06
android-44 no output from test machine -1 syz, C 26196 2498d 2732d 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 16794 12m 476d 0/2 upstream: reported C repro on 2025/06/16 15:39
android-49 no output from test machine (2) -1 syz, C 117634 2498d 2735d 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 60026 53m 1243d 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 27496 11m 1301d 0/3 upstream: reported C repro on 2023/03/15 03:10
upstream no output from test machine -1 syz, C 25143 3253d 3253d 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 1309d 2734d 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 150586 6m 1799d 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 6349 1h28m 257d 0/1 premoderation: reported C repro on 2026/01/21 13:41
android-6-12 no output from test machine -1 syz, C 2041 320d 474d 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 2498d 2734d 0/1 public: reported C repro on 2019/04/12 00:01
android-54 no output from test machine -1 syz, C 35133 498d 2460d 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 1310d 2734d 0/1 upstream: reported C repro on 2019/04/12 02:22
Crashes (85851):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2026/10/05 19:10 android13-5.15-lts f5eaed2bbe33 af63e995 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/05 09:13 android13-5.15-lts f5eaed2bbe33 57bbd979 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/04 22:23 android13-5.15-lts f5eaed2bbe33 57bbd979 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/04 19:12 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/04 17:06 android13-5.15-lts f5eaed2bbe33 57bbd979 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/04 10:42 android13-5.15-lts f5eaed2bbe33 57bbd979 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/04 01:23 android13-5.15-lts f5eaed2bbe33 57bbd979 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/03 13:29 android13-5.15-lts f5eaed2bbe33 57bbd979 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/03 07:07 android13-5.15-lts f5eaed2bbe33 57bbd979 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/02 23:58 android13-5.15-lts f5eaed2bbe33 57bbd979 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/02 07:41 android13-5.15-lts 56b6e17ad4b1 6d32eb1f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/01 18:27 android13-5.15-lts 56b6e17ad4b1 f5cdae2f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/01 10:58 android13-5.15-lts 17730f38b70b 38f7f0d1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/01 05:44 android13-5.15-lts 17730f38b70b 38f7f0d1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/30 12:49 android13-5.15-lts 69b8586d6858 7808aef4 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/29 04:40 android13-5.15-lts 64205e2c7d13 7bf4ea23 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/28 05:42 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
2026/09/28 02:32 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
2026/09/27 21:52 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
2026/09/27 19:42 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
2026/09/27 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
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
2026/10/06 13:13 android13-5.15-lts f5eaed2bbe33 f7710056 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/06 12:11 android13-5.15-lts f5eaed2bbe33 f7710056 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/06 11:13 android13-5.15-lts f5eaed2bbe33 f7710056 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/06 10:09 android13-5.15-lts f5eaed2bbe33 f7710056 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/06 09:06 android13-5.15-lts f5eaed2bbe33 f7710056 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/06 08:34 android13-5.15-lts f5eaed2bbe33 f7710056 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/06 07:24 android13-5.15-lts f5eaed2bbe33 f7710056 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/06 06:24 android13-5.15-lts f5eaed2bbe33 f7710056 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/06 05:40 android13-5.15-lts f5eaed2bbe33 f7710056 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/06 03:44 android13-5.15-lts f5eaed2bbe33 f7710056 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/06 02:45 android13-5.15-lts f5eaed2bbe33 f7710056 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/06 01:26 android13-5.15-lts f5eaed2bbe33 f7710056 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/05 23:58 android13-5.15-lts f5eaed2bbe33 f7710056 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/05 23:20 android13-5.15-lts f5eaed2bbe33 af63e995 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/05 22:16 android13-5.15-lts f5eaed2bbe33 af63e995 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/05 21:26 android13-5.15-lts f5eaed2bbe33 af63e995 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/05 20:24 android13-5.15-lts f5eaed2bbe33 af63e995 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/05 18:58 android13-5.15-lts f5eaed2bbe33 af63e995 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/05 17:56 android13-5.15-lts f5eaed2bbe33 af63e995 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/05 16:50 android13-5.15-lts f5eaed2bbe33 af63e995 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/05 16:42 android13-5.15-lts f5eaed2bbe33 af63e995 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/05 15:33 android13-5.15-lts f5eaed2bbe33 af63e995 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/05 14:33 android13-5.15-lts f5eaed2bbe33 af63e995 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/05 13:28 android13-5.15-lts f5eaed2bbe33 af63e995 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/05 12:45 android13-5.15-lts f5eaed2bbe33 af63e995 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/05 11:10 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/05 10:01 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/05 08:41 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/05 07:31 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/05 06:27 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/05 06:11 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/05 05:10 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/05 03:56 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/05 02:41 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/05 02:36 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/05 01:34 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/05 00:23 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/04 23:19 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/04 21:43 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/04 20:43 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/04 20:13 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/04 17:48 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/04 17:28 android13-5.15-lts f5eaed2bbe33 57bbd979 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 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.