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: 1755d, 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 2420843 now 3167d 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 40778 now 1250d 0/3 upstream: reported C repro on 2023/03/10 16:35
android-49 no output from test machine -1 syz, C 4071 3197d 3197d 0/3 closed as invalid on 2017/11/09 10:06
android-44 no output from test machine -1 syz, C 26196 2442d 2676d 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 14147 7m 421d 0/2 upstream: reported C repro on 2025/06/16 15:39
android-49 no output from test machine (2) -1 syz, C 117634 2442d 2680d 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 55120 now 1188d 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 25956 49m 1245d 0/3 upstream: reported C repro on 2023/03/15 03:10
upstream no output from test machine -1 syz, C 25143 3197d 3197d 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 1254d 2679d 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 2596 11m 202d 0/1 premoderation: reported C repro on 2026/01/21 13:41
android-6-12 no output from test machine -1 syz, C 2041 265d 418d 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 76432 7m 1406d 0/2 premoderation: reported C repro on 2022/10/05 11:25
android-414 no output from test machine -1 syz, C 39537 2442d 2678d 0/1 public: reported C repro on 2019/04/12 00:01
android-54 no output from test machine -1 syz, C 35133 443d 2405d 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 1255d 2678d 0/1 upstream: reported C repro on 2019/04/12 02:22
Crashes (132092):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/10 15:04 android13-5.10-lts 447db0046f21 5d63f80b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/10 14:15 android13-5.10-lts 447db0046f21 5d63f80b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/10 11:26 android13-5.10-lts 447db0046f21 5d63f80b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/09 00:06 android13-5.10-lts 447db0046f21 5d63f80b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/08 17:34 android13-5.10-lts 447db0046f21 5d63f80b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/08 09:38 android13-5.10-lts 447db0046f21 5d63f80b .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/07 06:56 android13-5.10-lts 18edbc713650 c38879ea .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/07 04:11 android13-5.10-lts 18edbc713650 c38879ea .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/06 22:42 android13-5.10-lts 18edbc713650 c38879ea .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/06 18:33 android13-5.10-lts 0f73d4924a74 c38879ea .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/06 03:02 android13-5.10-lts 0f73d4924a74 cd5b1963 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/05 23:02 android13-5.10-lts 0f73d4924a74 cd5b1963 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/05 16:28 android13-5.10-lts 0f73d4924a74 52aa2820 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/05 13:29 android13-5.10-lts 0f73d4924a74 52aa2820 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/04 09:20 android13-5.10-lts 0f73d4924a74 9451e17e .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/04 04:20 android13-5.10-lts 0f73d4924a74 9451e17e .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/03 17:19 android13-5.10-lts 0f73d4924a74 6b7c9f71 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/02 00:55 android13-5.10-lts 50b3a256e550 e611ffe1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/01 18:22 android13-5.10-lts 50b3a256e550 e611ffe1 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/07/31 04:10 android13-5.10-lts 50b3a256e550 aaffb173 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/07/31 01:22 android13-5.10-lts 50b3a256e550 aaffb173 .config strace log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/07/26 01:03 android13-5.10-lts 50b3a256e550 492bab15 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/07/16 22:03 android13-5.10-lts 50b3a256e550 71b49442 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/07/15 15:28 android13-5.10-lts 50b3a256e550 a4ed0f4f .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/07/07 10:24 android13-5.10-lts 88f75e4d3eca 8e71ce95 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/06/01 00:08 android13-5.10-lts 4a079a5d30eb 6b4a8443 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/05/31 21:09 android13-5.10-lts 4a079a5d30eb 6b4a8443 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/05/30 07:59 android13-5.10-lts 4a079a5d30eb 6b4a8443 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/05/28 23:13 android13-5.10-lts 4a079a5d30eb 681715f7 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/05/16 03:50 android13-5.10-lts 1b32327554da 81fb92f3 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/04/22 08:39 android13-5.10-lts 60d7a47cc4bd 0b6ab7ec .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/04/20 06:28 android13-5.10-lts cc0ae2abdc73 303e2802 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/04/13 16:28 android13-5.10-lts cc0ae2abdc73 9530ccf9 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/04/13 03:27 android13-5.10-lts cc0ae2abdc73 38c8e246 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/04/12 18:40 android13-5.10-lts cc0ae2abdc73 38c8e246 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/04/12 07:12 android13-5.10-lts cc0ae2abdc73 38c8e246 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/04/11 22:30 android13-5.10-lts cc0ae2abdc73 38c8e246 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/04/11 13:46 android13-5.10-lts cc0ae2abdc73 38c8e246 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/04/10 22:43 android13-5.10-lts cc0ae2abdc73 38c8e246 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf 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
2026/07/20 08:35 android13-5.10-lts 50b3a256e550 72524a66 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/11 21:17 android13-5.10-lts dce28bf8c73c 71790083 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 21:03 android13-5.10-lts dce28bf8c73c 71790083 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/11 19:50 android13-5.10-lts dce28bf8c73c 71790083 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 19:23 android13-5.10-lts dce28bf8c73c 71790083 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/11 18:19 android13-5.10-lts dce28bf8c73c 71790083 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 17:25 android13-5.10-lts dce28bf8c73c 71790083 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/11 16:11 android13-5.10-lts dce28bf8c73c 71790083 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 15:35 android13-5.10-lts dce28bf8c73c 71790083 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 14:22 android13-5.10-lts dce28bf8c73c 71790083 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 13:15 android13-5.10-lts dce28bf8c73c 71790083 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/11 13:10 android13-5.10-lts dce28bf8c73c 71790083 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 11:49 android13-5.10-lts dce28bf8c73c 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 11:34 android13-5.10-lts dce28bf8c73c 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 10:18 android13-5.10-lts dce28bf8c73c 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 10:17 android13-5.10-lts dce28bf8c73c 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 09:13 android13-5.10-lts dce28bf8c73c 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 07:36 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 07:29 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 06:28 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 06:22 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/11 05:19 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 05:18 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 04:15 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 04:01 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 02:57 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 02:44 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 01:38 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 01:22 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/11 00:21 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/10 23:21 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/10 22:09 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/10 22:08 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/10 21:01 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/10 20:01 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/10 19:01 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/10 18:55 android13-5.10-lts 447db0046f21 508909ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/10 17:53 android13-5.10-lts 447db0046f21 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/10 17:47 android13-5.10-lts 447db0046f21 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/10 16:46 android13-5.10-lts 447db0046f21 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/10 16:43 android13-5.10-lts 447db0046f21 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/10 15:42 android13-5.10-lts 447db0046f21 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 no output from test machine
2026/08/10 14:33 android13-5.10-lts 447db0046f21 5d63f80b .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf no output from test machine
2026/08/10 14:00 android13-5.10-lts 447db0046f21 5d63f80b .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.