no output from test machine

Status: upstream: reported C repro on 2021/11/02 11:48
Subsystems: ext4
[Documentation on labels]
Reported-by: syzbot+0e70d68fe75a92d050a8@syzkaller.appspotmail.com
First crash: 1785d, last: 5m
Cause bisection: failed (error log, bisect log)
  
▶ ▼ 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 2479068 now 3197d 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 42232 10m 1280d 0/3 upstream: reported C repro on 2023/03/10 16:35
android-49 no output from test machine -1 syz, C 4071 3227d 3227d 0/3 closed as invalid on 2017/11/09 10:06
android-44 no output from test machine -1 syz, C 26196 2472d 2707d 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 15592 1h35m 451d 0/2 upstream: reported C repro on 2025/06/16 15:39
android-49 no output from test machine (2) -1 syz, C 117634 2472d 2710d 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 56288 1h27m 1218d 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 26753 2h09m 1276d 0/3 upstream: reported C repro on 2023/03/15 03:10
upstream no output from test machine -1 syz, C 25143 3227d 3227d 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 1284d 2709d 0/1 upstream: reported C repro on 2019/04/11 15:08
android-6-12 no output from test machine (2) origin:lts -1 syz, C 4933 2h24m 232d 0/1 premoderation: reported C repro on 2026/01/21 13:41
android-6-12 no output from test machine -1 syz, C 2041 295d 449d 0/1 auto-obsoleted due to no activity on 2026/01/08 17:52
android-5-15 no output from test machine f2fs ext4 origin:upstream missing-backport -1 syz, C error 81623 6m 1436d 0/2 premoderation: reported C repro on 2022/10/05 11:25
android-414 no output from test machine -1 syz, C 39537 2472d 2709d 0/1 public: reported C repro on 2019/04/12 00:01
android-54 no output from test machine -1 syz, C 35133 473d 2435d 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 1285d 2709d 0/1 upstream: reported C repro on 2019/04/12 02:22
Crashes (142917):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/09/10 09:19 android13-5.10-lts 452567d1985b 4e8b1cc6 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/10 00:09 android13-5.10-lts 452567d1985b 4e8b1cc6 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/08 03:39 android13-5.10-lts 452567d1985b 680aa3e1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/08 01:08 android13-5.10-lts 452567d1985b 680aa3e1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/07 20:10 android13-5.10-lts 452567d1985b 680aa3e1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/06 02:04 android13-5.10-lts 452567d1985b 4f7b22a0 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/05 23:19 android13-5.10-lts 452567d1985b 4f7b22a0 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/04 01:40 android13-5.10-lts 452567d1985b 801f0966 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/02 22:56 android13-5.10-lts 4185c27befd4 85995287 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/02 04:25 android13-5.10-lts 4185c27befd4 587f6b29 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/01 22:33 android13-5.10-lts 4f08b4b867e1 587f6b29 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/01 06:02 android13-5.10-lts 174d3ccb72b8 316d9396 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/31 08:56 android13-5.10-lts 174d3ccb72b8 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/31 01:25 android13-5.10-lts 174d3ccb72b8 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/30 21:00 android13-5.10-lts 174d3ccb72b8 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/30 16:59 android13-5.10-lts 174d3ccb72b8 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/30 10:18 android13-5.10-lts 174d3ccb72b8 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/30 05:26 android13-5.10-lts 174d3ccb72b8 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/29 08:36 android13-5.10-lts 174d3ccb72b8 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/29 02:09 android13-5.10-lts 174d3ccb72b8 2f52988a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/27 21:57 android13-5.10-lts 174d3ccb72b8 69a01293 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/27 13:41 android13-5.10-lts 174d3ccb72b8 69a01293 .config strace log syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-android-5-10 no output from test machine
2026/08/27 08:13 android13-5.10-lts 174d3ccb72b8 a2b77b9e .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/26 03:55 android13-5.10-lts f01343e230a3 6a91adb4 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/25 17:45 android13-5.10-lts f01343e230a3 a9a1fc32 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/25 09:50 android13-5.10-lts f01343e230a3 614e416a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/25 05:36 android13-5.10-lts f01343e230a3 614e416a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/24 18:59 android13-5.10-lts 7fd25e02391a b55bd4c3 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/23 20:08 android13-5.10-lts e334a66065d3 1e72964b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/23 10:11 android13-5.10-lts e334a66065d3 1e72964b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/22 21:28 android13-5.10-lts e334a66065d3 1e72964b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/22 16:48 android13-5.10-lts e334a66065d3 1e72964b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/22 12:55 android13-5.10-lts e334a66065d3 1e72964b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/22 09:39 android13-5.10-lts e334a66065d3 1e72964b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/22 06:00 android13-5.10-lts e334a66065d3 1e72964b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/21 22:36 android13-5.10-lts e334a66065d3 1e72964b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/21 08:36 android13-5.10-lts e334a66065d3 1e72964b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/21 05:23 android13-5.10-lts e334a66065d3 1e72964b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/21 01:49 android13-5.10-lts e334a66065d3 1e72964b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2021/10/31 09:44 android12-5.10-lts 4944ec82ebb9 098b5d53 .config console log syz C ci2-android-5-10 no output from test machine
2021/10/22 10:19 android12-5.10-lts 234d53d2bb60 55f90bc6 .config console log syz C ci2-android-5-10 no output from test machine
2021/10/22 04:01 android12-5.10-lts 234d53d2bb60 55f90bc6 .config console log syz C ci2-android-5-10 no output from test machine
2026/08/29 07:38 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/11 05:19 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/11 04:18 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/11 04:17 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/11 03:16 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/11 02:10 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/11 01:45 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/11 00:41 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/11 00:29 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 23:23 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 22:59 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/10 21:57 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/10 21:44 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 20:43 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 20:34 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 19:33 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 18:58 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 17:54 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 17:36 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/10 16:34 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 15:33 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 14:51 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/10 14:24 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 13:22 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/10 13:18 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 12:11 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 11:24 android13-5.10-lts 452567d1985b 1fe56c0a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 10:05 android13-5.10-lts 452567d1985b 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/10 08:57 android13-5.10-lts 452567d1985b 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 08:54 android13-5.10-lts 452567d1985b 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/10 07:52 android13-5.10-lts 452567d1985b 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 07:46 android13-5.10-lts 452567d1985b 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 06:44 android13-5.10-lts 452567d1985b 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 05:54 android13-5.10-lts 452567d1985b 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/10 05:50 android13-5.10-lts 452567d1985b 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 04:48 android13-5.10-lts 452567d1985b 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/10 03:57 android13-5.10-lts 452567d1985b 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 03:41 android13-5.10-lts 452567d1985b 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 02:39 android13-5.10-lts 452567d1985b 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/10 01:44 android13-5.10-lts 452567d1985b 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/10 01:14 android13-5.10-lts 452567d1985b 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/10 00:05 android13-5.10-lts 452567d1985b 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/09 23:44 android13-5.10-lts 452567d1985b 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/09 22:37 android13-5.10-lts 452567d1985b 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/09/09 21:45 android13-5.10-lts 452567d1985b 4e8b1cc6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2021/10/21 21:07 android12-5.10-lts 234d53d2bb60 55f90bc6 .config console log info ci2-android-5-10 no output from test machine
* Struck through repros no longer work on HEAD.