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: 1480d, 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 2575093 now 3241d 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 45435 6m 1324d 0/3 upstream: reported C repro on 2023/03/10 16:35
android-49 no output from test machine -1 syz, C 4071 3271d 3271d 0/3 closed as invalid on 2017/11/09 10:06
android-44 no output from test machine -1 syz, C 26196 2516d 2751d 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 17985 47m 495d 0/2 upstream: reported C repro on 2025/06/16 15:39
android-49 no output from test machine (2) -1 syz, C 117634 2516d 2754d 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 61275 15m 1262d 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 28333 53m 1319d 0/3 upstream: reported C repro on 2023/03/15 03:10
upstream no output from test machine -1 syz, C 25143 3271d 3271d 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 1328d 2753d 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 156352 11m 1817d 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 7515 32m 276d 0/1 premoderation: reported C repro on 2026/01/21 13:41
android-6-12 no output from test machine -1 syz, C 2041 339d 492d 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 2516d 2753d 0/1 public: reported C repro on 2019/04/12 00:01
android-54 no output from test machine -1 syz, C 35133 517d 2479d 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 1329d 2752d 0/1 upstream: reported C repro on 2019/04/12 02:22
Crashes (89643):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2026/10/14 21:24 android13-5.15-lts ff23d765b06f 1a71827b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/14 03:35 android13-5.15-lts 5ca734335a87 7321cd29 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/13 13:18 android13-5.15-lts d6c8aee048e0 5a1eeac4 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/12 20:59 android13-5.15-lts d6c8aee048e0 745a967f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/12 12:05 android13-5.15-lts d6c8aee048e0 4f92358f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/11 10:22 android13-5.15-lts d6c8aee048e0 4f92358f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/11 03:52 android13-5.15-lts d6c8aee048e0 4f92358f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/11 01:15 android13-5.15-lts d6c8aee048e0 4f92358f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/10 10:43 android13-5.15-lts d6c8aee048e0 4f92358f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/10 01:11 android13-5.15-lts d6c8aee048e0 4f92358f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/08 14:35 android13-5.15-lts d6c8aee048e0 4f6a9fcf .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/07 21:22 android13-5.15-lts d6c8aee048e0 6520ecdb .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/07 17:37 android13-5.15-lts d6c8aee048e0 6520ecdb .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/07 05:42 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
2026/10/07 01:14 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
2026/10/06 20:24 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
2026/10/06 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
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
2026/10/25 00:28 android13-5.15-lts 668c22005aab 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/24 23:37 android13-5.15-lts 668c22005aab 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/24 22:12 android13-5.15-lts 668c22005aab 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/24 21:18 android13-5.15-lts 668c22005aab 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/24 20:07 android13-5.15-lts 668c22005aab 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/24 20:01 android13-5.15-lts 668c22005aab 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/24 18:54 android13-5.15-lts 668c22005aab 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/24 17:36 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/24 16:22 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/24 15:23 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/24 15:18 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/24 14:15 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/24 12:52 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/24 12:06 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/24 11:01 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/24 10:23 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/24 09:21 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/24 08:19 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/24 07:17 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/24 06:51 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/24 05:48 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/24 04:49 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/24 03:47 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/24 03:06 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/24 02:04 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/24 01:04 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/23 23:15 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/23 22:50 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/23 21:46 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/23 20:42 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/23 20:21 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/23 18:50 android13-5.15-lts c4cfc3ce1d26 1d9ca40b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/23 17:39 android13-5.15-lts c4cfc3ce1d26 d566bfda .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/23 16:47 android13-5.15-lts c4cfc3ce1d26 d566bfda .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/23 15:44 android13-5.15-lts c4cfc3ce1d26 d566bfda .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/10/23 15:31 android13-5.15-lts c4cfc3ce1d26 d566bfda .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/23 14:20 android13-5.15-lts c4cfc3ce1d26 d566bfda .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/23 13:13 android13-5.15-lts c4cfc3ce1d26 d566bfda .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/23 12:15 android13-5.15-lts c4cfc3ce1d26 d566bfda .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/23 11:13 android13-5.15-lts c4cfc3ce1d26 d566bfda .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/23 10:47 android13-5.15-lts c4cfc3ce1d26 d566bfda .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/10/23 09:38 android13-5.15-lts c4cfc3ce1d26 d566bfda .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.