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: 1437d, 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 2481072 now 3198d 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 42295 29m 1281d 0/3 upstream: reported C repro on 2023/03/10 16:35
android-49 no output from test machine -1 syz, C 4071 3228d 3228d 0/3 closed as invalid on 2017/11/09 10:06
android-44 no output from test machine -1 syz, C 26196 2473d 2708d 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 15645 1h15m 452d 0/2 upstream: reported C repro on 2025/06/16 15:39
android-49 no output from test machine (2) -1 syz, C 117634 2473d 2711d 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 56321 1h57m 1219d 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 26783 1h30m 1277d 0/3 upstream: reported C repro on 2023/03/15 03:10
upstream no output from test machine -1 syz, C 25143 3228d 3228d 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 1285d 2710d 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 143307 now 1774d 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 4982 now 233d 0/1 premoderation: reported C repro on 2026/01/21 13:41
android-6-12 no output from test machine -1 syz, C 2041 296d 450d 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 2473d 2710d 0/1 public: reported C repro on 2019/04/12 00:01
android-54 no output from test machine -1 syz, C 35133 474d 2436d 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 1286d 2710d 0/1 upstream: reported C repro on 2019/04/12 02:22
Crashes (81742):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2026/09/07 09:04 android13-5.15-lts e9b8a6529ffa 4f7b22a0 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/06 19:40 android13-5.15-lts e9b8a6529ffa 4f7b22a0 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/04 18:34 android13-5.15-lts e9b8a6529ffa f65209a4 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/03 08:39 android13-5.15-lts e9b8a6529ffa 6a988719 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/03 01:04 android13-5.15-lts 3af1e5c20882 85995287 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/02 19:13 android13-5.15-lts 3af1e5c20882 85995287 .config strace log syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-android-5-15 no output from test machine
2026/09/02 09:33 android13-5.15-lts 7f9a109e0767 587f6b29 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/01 19:43 android13-5.15-lts 656ab6019045 587f6b29 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/01 14:58 android13-5.15-lts 656ab6019045 587f6b29 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/01 07:49 android13-5.15-lts 54850912d011 316d9396 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/01 00:49 android13-5.15-lts 54850912d011 316d9396 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/31 20:33 android13-5.15-lts 54850912d011 316d9396 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/31 13:22 android13-5.15-lts 54850912d011 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/31 08:08 android13-5.15-lts 54850912d011 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/31 05:01 android13-5.15-lts 54850912d011 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/30 22:05 android13-5.15-lts 54850912d011 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/30 15:30 android13-5.15-lts 54850912d011 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/30 09:07 android13-5.15-lts 54850912d011 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/30 05:30 android13-5.15-lts 54850912d011 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/30 01:31 android13-5.15-lts 54850912d011 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/29 22:31 android13-5.15-lts 54850912d011 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/29 18:51 android13-5.15-lts 54850912d011 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/29 13:44 android13-5.15-lts 54850912d011 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/29 11:10 android13-5.15-lts 54850912d011 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/29 10:29 android13-5.15-lts 54850912d011 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/29 07:12 android13-5.15-lts 54850912d011 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/29 03:17 android13-5.15-lts 54850912d011 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/28 15:06 android13-5.15-lts 54850912d011 e2fa417d .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/28 12:56 android13-5.15-lts 54850912d011 e2fa417d .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/28 08:06 android13-5.15-lts 54850912d011 69a01293 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/27 17:39 android13-5.15-lts 54850912d011 69a01293 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/27 09:25 android13-5.15-lts 771777348d20 a2b77b9e .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/27 04:58 android13-5.15-lts 771777348d20 a2b77b9e .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/08/26 23:44 android13-5.15-lts 771777348d20 a2b77b9e .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/22 18:03 android13-5.15-lts dd960aad97f0 1e72964b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/21 09:39 android13-5.15-lts dd960aad97f0 1e72964b .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
2026/09/12 06:37 android13-5.15-lts 5bfe2b8c1439 70a60e12 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/12 05:34 android13-5.15-lts 5bfe2b8c1439 70a60e12 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/12 03:59 android13-5.15-lts 5bfe2b8c1439 70a60e12 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/12 02:43 android13-5.15-lts 5bfe2b8c1439 70a60e12 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/12 00:26 android13-5.15-lts 45bb2952b61c b6a5eeb7 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/11 23:42 android13-5.15-lts 45bb2952b61c b6a5eeb7 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/11 21:44 android13-5.15-lts 45bb2952b61c b6a5eeb7 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/11 21:28 android13-5.15-lts 45bb2952b61c b6a5eeb7 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/11 20:00 android13-5.15-lts 45bb2952b61c b6a5eeb7 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/11 18:47 android13-5.15-lts 45bb2952b61c b6a5eeb7 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/11 17:22 android13-5.15-lts 45bb2952b61c b6a5eeb7 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/11 17:21 android13-5.15-lts 45bb2952b61c b6a5eeb7 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/11 16:20 android13-5.15-lts 45bb2952b61c b6a5eeb7 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/11 15:12 android13-5.15-lts 45bb2952b61c b6a5eeb7 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/11 14:09 android13-5.15-lts 45bb2952b61c b6a5eeb7 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/11 12:36 android13-5.15-lts 45bb2952b61c b6a5eeb7 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/11 10:19 android13-5.15-lts 6b20b42b6635 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/11 09:27 android13-5.15-lts 6b20b42b6635 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/11 08:27 android13-5.15-lts 6b20b42b6635 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/11 07:20 android13-5.15-lts 6b20b42b6635 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/11 06:10 android13-5.15-lts 6b20b42b6635 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/11 04:33 android13-5.15-lts 6b20b42b6635 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/11 02:35 android13-5.15-lts 6b20b42b6635 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/11 01:32 android13-5.15-lts 6b20b42b6635 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/10 23:58 android13-5.15-lts 6b20b42b6635 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/10 22:21 android13-5.15-lts 6c35ef5f7a13 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/10 20:53 android13-5.15-lts 6c35ef5f7a13 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/10 19:24 android13-5.15-lts 6c35ef5f7a13 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/10 17:39 android13-5.15-lts 6c35ef5f7a13 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/10 17:05 android13-5.15-lts 6c35ef5f7a13 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/10 15:44 android13-5.15-lts 6c35ef5f7a13 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/10 14:04 android13-5.15-lts 6c35ef5f7a13 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/10 12:45 android13-5.15-lts 6c35ef5f7a13 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/10 11:31 android13-5.15-lts 6c35ef5f7a13 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/10 10:04 android13-5.15-lts 6c35ef5f7a13 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/10 09:05 android13-5.15-lts 6c35ef5f7a13 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/10 07:24 android13-5.15-lts 6c35ef5f7a13 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/10 06:57 android13-5.15-lts 6c35ef5f7a13 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/10 05:57 android13-5.15-lts 6c35ef5f7a13 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/10 04:52 android13-5.15-lts 6c35ef5f7a13 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/10 03:41 android13-5.15-lts 6c35ef5f7a13 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/10 02:48 android13-5.15-lts 6c35ef5f7a13 4e8b1cc6 .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.