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: 1802d, last: 8m
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 2512307 now 3214d 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 43263 5m 1297d 0/3 upstream: reported C repro on 2023/03/10 16:35
android-49 no output from test machine -1 syz, C 4071 3244d 3244d 0/3 closed as invalid on 2017/11/09 10:06
android-44 no output from test machine -1 syz, C 26196 2489d 2723d 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 16331 59m 468d 0/2 upstream: reported C repro on 2025/06/16 15:39
android-49 no output from test machine (2) -1 syz, C 117634 2489d 2727d 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 58850 5m 1235d 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 27252 2h01m 1292d 0/3 upstream: reported C repro on 2023/03/15 03:10
upstream no output from test machine -1 syz, C 25143 3244d 3244d 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 1301d 2726d 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 5952 22m 249d 0/1 premoderation: reported C repro on 2026/01/21 13:41
android-6-12 no output from test machine -1 syz, C 2041 312d 465d 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 84543 10m 1453d 0/2 premoderation: reported C repro on 2022/10/05 11:25
android-414 no output from test machine -1 syz, C 39537 2489d 2725d 0/1 public: reported C repro on 2019/04/12 00:01
android-54 no output from test machine -1 syz, C 35133 490d 2452d 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 1302d 2725d 0/1 upstream: reported C repro on 2019/04/12 02:22
Crashes (149324):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/09/27 16:19 android13-5.10-lts c5d8ec7afea2 a3c7249d .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 11:13 android13-5.10-lts c5d8ec7afea2 a3c7249d .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/26 14:23 android13-5.10-lts c5d8ec7afea2 a3c7249d .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/26 08:59 android13-5.10-lts c5d8ec7afea2 a3c7249d .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/25 17:24 android13-5.10-lts 452567d1985b f281d9d2 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/25 09:20 android13-5.10-lts 452567d1985b f281d9d2 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/25 00:46 android13-5.10-lts 452567d1985b 3c3cdf19 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/24 22:40 android13-5.10-lts 452567d1985b 3c3cdf19 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/24 19:34 android13-5.10-lts 452567d1985b 3c3cdf19 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/24 12:18 android13-5.10-lts 452567d1985b 0281b448 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/23 21:07 android13-5.10-lts 452567d1985b abce1216 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/22 02:37 android13-5.10-lts 452567d1985b 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/21 22:59 android13-5.10-lts 452567d1985b 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/21 03:17 android13-5.10-lts 452567d1985b 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/20 23:54 android13-5.10-lts 452567d1985b 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/20 20:52 android13-5.10-lts 452567d1985b 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/20 16:46 android13-5.10-lts 452567d1985b 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/20 14:28 android13-5.10-lts 452567d1985b 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/19 23:57 android13-5.10-lts 452567d1985b 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/19 08:22 android13-5.10-lts 452567d1985b 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/19 04:32 android13-5.10-lts 452567d1985b 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/18 12:53 android13-5.10-lts 452567d1985b 853b104b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/18 04:21 android13-5.10-lts 452567d1985b 8d7d05f1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/17 10:12 android13-5.10-lts 452567d1985b 95928915 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/16 14:29 android13-5.10-lts 452567d1985b 12a0a44a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/16 02:18 android13-5.10-lts 452567d1985b 2daa4bb5 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/15 22:55 android13-5.10-lts 452567d1985b 2daa4bb5 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/15 11:43 android13-5.10-lts 452567d1985b 81a27d1a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/14 23:04 android13-5.10-lts 452567d1985b 81a27d1a .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/12 22:36 android13-5.10-lts 452567d1985b 70a60e12 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/12 15:13 android13-5.10-lts 452567d1985b 70a60e12 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/12 13:03 android13-5.10-lts 452567d1985b 70a60e12 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/12 06:00 android13-5.10-lts 452567d1985b 70a60e12 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
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
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
2026/09/27 21:53 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 20:58 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 19:54 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 19:53 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 18:45 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 17:43 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 17:20 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 16:09 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 16:04 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 15:02 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 13:52 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 13:24 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 12:21 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 12:14 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 10:43 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 10:06 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 08:38 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 08:16 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 07:12 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 06:43 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 05:41 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 04:49 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 03:41 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 03:25 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 02:23 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 01:19 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/27 00:54 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/26 23:48 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/26 22:44 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/26 22:18 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/26 21:08 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/26 20:06 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/26 19:47 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/26 18:43 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/26 17:39 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/26 17:25 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/26 16:21 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/26 15:21 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/26 13:36 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/26 13:22 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/26 12:07 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/26 11:35 android13-5.10-lts c5d8ec7afea2 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/26 07:23 android13-5.10-lts c5d8ec7afea2 a3c7249d .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.