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: 1429d, 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 2465858 now 3190d 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 41810 1h32m 1273d 0/3 upstream: reported C repro on 2023/03/10 16:35
android-49 no output from test machine -1 syz, C 4071 3220d 3220d 0/3 closed as invalid on 2017/11/09 10:06
android-44 no output from test machine -1 syz, C 26196 2465d 2699d 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 15218 56m 444d 0/2 upstream: reported C repro on 2025/06/16 15:39
android-49 no output from test machine (2) -1 syz, C 117634 2465d 2703d 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 56149 10d 1211d 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 26588 1h03m 1268d 0/3 upstream: reported C repro on 2023/03/15 03:10
upstream no output from test machine -1 syz, C 25143 3220d 3220d 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 1277d 2702d 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 140123 now 1766d 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 4569 now 225d 0/1 premoderation: reported C repro on 2026/01/21 13:41
android-6-12 no output from test machine -1 syz, C 2041 288d 441d 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 2465d 2701d 0/1 public: reported C repro on 2019/04/12 00:01
android-54 no output from test machine -1 syz, C 35133 465d 2428d 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 1277d 2701d 0/1 upstream: reported C repro on 2019/04/12 02:22
Crashes (80530):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2026/08/21 06:33 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 00:36 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
2026/08/19 01:51 android13-5.15-lts a825653ab7af 1e72964b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/18 21:30 android13-5.15-lts a825653ab7af 1e72964b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/18 19:03 android13-5.15-lts a825653ab7af 1e72964b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/18 16:23 android13-5.15-lts a825653ab7af 1e72964b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/17 23:03 android13-5.15-lts 9c43b169ac7e 905244d6 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/08/17 04:53 android13-5.15-lts 54275df9611d 746171ee .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
2026/09/03 19:22 android13-5.15-lts e9b8a6529ffa 6a988719 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/03 18:07 android13-5.15-lts e9b8a6529ffa 6a988719 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/03 17:51 android13-5.15-lts e9b8a6529ffa 6a988719 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/03 16:39 android13-5.15-lts e9b8a6529ffa 6a988719 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/03 15:37 android13-5.15-lts e9b8a6529ffa 6a988719 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/03 15:18 android13-5.15-lts e9b8a6529ffa 6a988719 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/03 14:14 android13-5.15-lts e9b8a6529ffa 6a988719 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/03 13:37 android13-5.15-lts e9b8a6529ffa 6a988719 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/03 12:25 android13-5.15-lts e9b8a6529ffa 6a988719 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/03 11:17 android13-5.15-lts e9b8a6529ffa 6a988719 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/03 10:55 android13-5.15-lts e9b8a6529ffa 6a988719 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/03 09:48 android13-5.15-lts e9b8a6529ffa 6a988719 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/03 08:42 android13-5.15-lts e9b8a6529ffa 6a988719 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/03 07:34 android13-5.15-lts e9b8a6529ffa 6a988719 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/03 06:29 android13-5.15-lts e9b8a6529ffa 6a988719 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/03 05:26 android13-5.15-lts e9b8a6529ffa 6a988719 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/03 05:01 android13-5.15-lts e9b8a6529ffa 6a988719 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/03 03:42 android13-5.15-lts e9b8a6529ffa 85995287 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/03 02:35 android13-5.15-lts 3af1e5c20882 85995287 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/03 02:10 android13-5.15-lts 3af1e5c20882 85995287 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/03 00:04 android13-5.15-lts 3af1e5c20882 85995287 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 22:47 android13-5.15-lts 3af1e5c20882 85995287 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 21:39 android13-5.15-lts 3af1e5c20882 85995287 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 20:39 android13-5.15-lts 3af1e5c20882 85995287 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 19:33 android13-5.15-lts 3af1e5c20882 85995287 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 18:50 android13-5.15-lts 3af1e5c20882 85995287 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 17:37 android13-5.15-lts 3af1e5c20882 85995287 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 16:27 android13-5.15-lts 3af1e5c20882 85995287 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 16:06 android13-5.15-lts 3af1e5c20882 85995287 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 14:22 android13-5.15-lts 3af1e5c20882 85995287 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 12:17 android13-5.15-lts 7f9a109e0767 587f6b29 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15 no output from test machine
2026/09/02 11:12 android13-5.15-lts 7f9a109e0767 587f6b29 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 10:43 android13-5.15-lts 7f9a109e0767 587f6b29 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 08:33 android13-5.15-lts 7f9a109e0767 587f6b29 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 08:32 android13-5.15-lts 7f9a109e0767 587f6b29 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 07:29 android13-5.15-lts 7f9a109e0767 587f6b29 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 06:23 android13-5.15-lts 7f9a109e0767 587f6b29 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 05:15 android13-5.15-lts 7f9a109e0767 587f6b29 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 04:42 android13-5.15-lts 7f9a109e0767 587f6b29 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 03:07 android13-5.15-lts 7f9a109e0767 587f6b29 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 01:57 android13-5.15-lts 7f9a109e0767 587f6b29 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 00:38 android13-5.15-lts 7f9a109e0767 587f6b29 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/02 00:08 android13-5.15-lts 656ab6019045 587f6b29 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf no output from test machine
2026/09/01 22:59 android13-5.15-lts 656ab6019045 587f6b29 .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.