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: 1818d, 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 2547729 now 3230d 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 44377 8m 1313d 0/3 upstream: reported C repro on 2023/03/10 16:35
android-49 no output from test machine -1 syz, C 4071 3260d 3260d 0/3 closed as invalid on 2017/11/09 10:06
android-44 no output from test machine -1 syz, C 26196 2505d 2739d 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 17289 now 484d 0/2 upstream: reported C repro on 2025/06/16 15:39
android-49 no output from test machine (2) -1 syz, C 117634 2505d 2743d 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 60592 8m 1251d 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 27767 28m 1308d 0/3 upstream: reported C repro on 2023/03/15 03:10
upstream no output from test machine -1 syz, C 25143 3260d 3260d 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 1317d 2742d 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 6930 56m 265d 0/1 premoderation: reported C repro on 2026/01/21 13:41
android-6-12 no output from test machine -1 syz, C 2041 328d 481d 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 86996 now 1469d 0/2 premoderation: reported C repro on 2022/10/05 11:25
android-414 no output from test machine -1 syz, C 39537 2505d 2741d 0/1 public: reported C repro on 2019/04/12 00:01
android-54 no output from test machine -1 syz, C 35133 506d 2468d 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 1318d 2741d 0/1 upstream: reported C repro on 2019/04/12 02:22
Crashes (152318):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/10/13 01:23 android13-5.10-lts 437aef3f57e8 745a967f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 19:10 android13-5.10-lts 437aef3f57e8 745a967f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 04:56 android13-5.10-lts b677692288f7 4f92358f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 01:35 android13-5.10-lts b677692288f7 4f92358f .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/11 03:51 android13-5.10-lts b677692288f7 4f92358f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/09 22:17 android13-5.10-lts b677692288f7 4f92358f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/09 04:13 android13-5.10-lts b677692288f7 b2734a59 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/08 12:37 android13-5.10-lts b677692288f7 4f6a9fcf .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/08 03:33 android13-5.10-lts b677692288f7 6520ecdb .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/07 22:17 android13-5.10-lts b677692288f7 6520ecdb .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/07 07:07 android13-5.10-lts 207de56dd089 f7710056 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/06 23:17 android13-5.10-lts 207de56dd089 f7710056 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/06 13:19 android13-5.10-lts 207de56dd089 f7710056 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/06 10:05 android13-5.10-lts 207de56dd089 f7710056 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/05 16:27 android13-5.10-lts 42d4fb705937 af63e995 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/05 02:45 android13-5.10-lts 42d4fb705937 57bbd979 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/04 18:51 android13-5.10-lts 42d4fb705937 57bbd979 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/04 15:58 android13-5.10-lts 42d4fb705937 57bbd979 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/03 17:29 android13-5.10-lts 8ddf8d57c49c 57bbd979 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/02 11:03 android13-5.10-lts 27ea5541934c 6d32eb1f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/02 07:30 android13-5.10-lts 27ea5541934c 6d32eb1f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/01 20:22 android13-5.10-lts 27ea5541934c f5cdae2f .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/01 09:12 android13-5.10-lts 27ea5541934c 38f7f0d1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/01 05:13 android13-5.10-lts 27ea5541934c 38f7f0d1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/30 22:40 android13-5.10-lts 27ea5541934c 38f7f0d1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/30 17:23 android13-5.10-lts 27ea5541934c 7808aef4 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/29 08:58 android13-5.10-lts 340d402887d3 7bf4ea23 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/09/28 11:04 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
2026/09/28 03:53 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 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
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
2026/10/13 22:37 android13-5.10-lts 390db4f54a67 7321cd29 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/10/13 21:34 android13-5.10-lts 390db4f54a67 7321cd29 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 20:48 android13-5.10-lts 390db4f54a67 5a1eeac4 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 19:36 android13-5.10-lts d64ecae82de0 5a1eeac4 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 19:29 android13-5.10-lts d64ecae82de0 5a1eeac4 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 18:28 android13-5.10-lts d64ecae82de0 5a1eeac4 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 17:57 android13-5.10-lts d64ecae82de0 5a1eeac4 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 16:56 android13-5.10-lts d64ecae82de0 5a1eeac4 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 16:17 android13-5.10-lts d64ecae82de0 5a1eeac4 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 15:02 android13-5.10-lts d64ecae82de0 5a1eeac4 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 14:44 android13-5.10-lts d64ecae82de0 5a1eeac4 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 14:17 android13-5.10-lts d64ecae82de0 5a1eeac4 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 13:21 android13-5.10-lts d64ecae82de0 5a1eeac4 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 12:52 android13-5.10-lts d64ecae82de0 5a1eeac4 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 11:47 android13-5.10-lts d64ecae82de0 5a1eeac4 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 11:00 android13-5.10-lts d64ecae82de0 5a1eeac4 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 09:38 android13-5.10-lts d64ecae82de0 5a1eeac4 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 09:33 android13-5.10-lts d64ecae82de0 5a1eeac4 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 08:25 android13-5.10-lts d64ecae82de0 5a1eeac4 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 07:20 android13-5.10-lts d64ecae82de0 5a1eeac4 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 06:11 android13-5.10-lts d64ecae82de0 745a967f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 05:46 android13-5.10-lts d64ecae82de0 745a967f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 04:19 android13-5.10-lts 437aef3f57e8 745a967f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 03:35 android13-5.10-lts 437aef3f57e8 745a967f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 02:20 android13-5.10-lts 437aef3f57e8 745a967f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/13 00:42 android13-5.10-lts 437aef3f57e8 745a967f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 23:49 android13-5.10-lts 437aef3f57e8 745a967f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 22:44 android13-5.10-lts 437aef3f57e8 745a967f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 21:14 android13-5.10-lts 437aef3f57e8 745a967f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 20:20 android13-5.10-lts 437aef3f57e8 745a967f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 19:53 android13-5.10-lts 437aef3f57e8 745a967f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 19:18 android13-5.10-lts 437aef3f57e8 745a967f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 18:25 android13-5.10-lts 437aef3f57e8 745a967f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 17:04 android13-5.10-lts 437aef3f57e8 745a967f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 15:57 android13-5.10-lts 437aef3f57e8 745a967f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 14:54 android13-5.10-lts b677692288f7 745a967f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 13:48 android13-5.10-lts b677692288f7 745a967f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 13:48 android13-5.10-lts b677692288f7 745a967f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 12:45 android13-5.10-lts b677692288f7 4f92358f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 12:31 android13-5.10-lts b677692288f7 4f92358f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 11:21 android13-5.10-lts b677692288f7 4f92358f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 11:01 android13-5.10-lts b677692288f7 4f92358f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/12 09:55 android13-5.10-lts b677692288f7 4f92358f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/10/09 10:35 android13-5.10-lts b677692288f7 b2734a59 .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.