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: 1772d, last: now
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 2455710 now 3185d 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 41590 16m 1267d 0/3 upstream: reported C repro on 2023/03/10 16:35
android-49 no output from test machine -1 syz, C 4071 3215d 3215d 0/3 closed as invalid on 2017/11/09 10:06
android-44 no output from test machine -1 syz, C 26196 2460d 2694d 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 14915 16m 438d 0/2 upstream: reported C repro on 2025/06/16 15:39
android-49 no output from test machine (2) -1 syz, C 117634 2460d 2697d 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 5d03h 1206d 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 26482 1h27m 1263d 0/3 upstream: reported C repro on 2023/03/15 03:10
upstream no output from test machine -1 syz, C 25143 3215d 3215d 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 1271d 2696d 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 4186 now 220d 0/1 premoderation: reported C repro on 2026/01/21 13:41
android-6-12 no output from test machine -1 syz, C 2041 282d 436d 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 79637 26m 1424d 0/2 premoderation: reported C repro on 2022/10/05 11:25
android-414 no output from test machine -1 syz, C 39537 2460d 2696d 0/1 public: reported C repro on 2019/04/12 00:01
android-54 no output from test machine -1 syz, C 35133 460d 2422d 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 1272d 2696d 0/1 upstream: reported C repro on 2019/04/12 02:22
Crashes (138459):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2026/08/20 11:11 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
2026/08/20 08:33 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
2026/08/20 06:32 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
2026/08/19 07:15 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
2026/08/19 04:08 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
2026/08/19 01:05 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
2026/08/18 20:48 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
2026/08/18 10:43 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
2026/08/17 15:07 android13-5.10-lts e334a66065d3 905244d6 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/16 10:47 android13-5.10-lts e334a66065d3 746171ee .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/16 03:54 android13-5.10-lts e334a66065d3 746171ee .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/15 23:56 android13-5.10-lts e334a66065d3 746171ee .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/15 18:53 android13-5.10-lts e334a66065d3 746171ee .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/15 10:37 android13-5.10-lts e334a66065d3 746171ee .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/15 06:59 android13-5.10-lts e334a66065d3 746171ee .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/15 04:27 android13-5.10-lts e334a66065d3 746171ee .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/14 18:04 android13-5.10-lts e334a66065d3 6f9b3e89 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/14 15:09 android13-5.10-lts e334a66065d3 6f9b3e89 .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
2026/08/29 13:53 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/29 12:51 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/29 12:15 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/29 11:14 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/29 10:24 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/29 10:07 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/29 09:02 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/29 07:23 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/29 06:25 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/29 05:24 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/29 04:25 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/29 03:21 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/29 03:11 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/29 01:51 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/29 01:36 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/29 00:35 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 23:31 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 22:23 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 21:00 android13-5.10-lts 174d3ccb72b8 2f52988a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 20:10 android13-5.10-lts 174d3ccb72b8 e2fa417d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 19:09 android13-5.10-lts 174d3ccb72b8 e2fa417d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 18:22 android13-5.10-lts 174d3ccb72b8 e2fa417d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 17:21 android13-5.10-lts 174d3ccb72b8 e2fa417d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 16:34 android13-5.10-lts 174d3ccb72b8 e2fa417d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 15:25 android13-5.10-lts 174d3ccb72b8 e2fa417d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 14:52 android13-5.10-lts 174d3ccb72b8 e2fa417d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 13:44 android13-5.10-lts 174d3ccb72b8 e2fa417d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 12:49 android13-5.10-lts 174d3ccb72b8 e2fa417d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 11:28 android13-5.10-lts 174d3ccb72b8 e2fa417d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 10:43 android13-5.10-lts 174d3ccb72b8 e2fa417d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 09:43 android13-5.10-lts 174d3ccb72b8 e2fa417d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 09:36 android13-5.10-lts 174d3ccb72b8 e2fa417d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 08:33 android13-5.10-lts 174d3ccb72b8 e2fa417d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/28 07:31 android13-5.10-lts 174d3ccb72b8 69a01293 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 06:59 android13-5.10-lts 174d3ccb72b8 69a01293 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 05:58 android13-5.10-lts 174d3ccb72b8 69a01293 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 05:28 android13-5.10-lts 174d3ccb72b8 69a01293 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 04:20 android13-5.10-lts 174d3ccb72b8 69a01293 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 04:00 android13-5.10-lts 174d3ccb72b8 69a01293 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 02:51 android13-5.10-lts 174d3ccb72b8 69a01293 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 02:18 android13-5.10-lts 174d3ccb72b8 69a01293 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/28 01:10 android13-5.10-lts 174d3ccb72b8 69a01293 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/28 00:43 android13-5.10-lts 174d3ccb72b8 69a01293 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/27 23:43 android13-5.10-lts 174d3ccb72b8 69a01293 .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.