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SYZFAIL: event already set

Status: auto-obsoleted due to no activity on 2026/04/18 22:52
First crash: 1886d, last: 136d
Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: SYZFAIL: event already set (log)
Repro: syz .config
  
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Similar bugs (4)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 SYZFAIL: event already set -1 syz error 2 1513d 1859d 0/1 upstream: reported syz repro on 2021/04/20 18:14
android-54 SYZFAIL: event already set -1 syz 46 397d 1915d 0/2 upstream: reported syz repro on 2021/02/23 22:38
linux-4.19 SYZFAIL: event already set -1 syz error 19 1497d 1855d 0/1 upstream: reported syz repro on 2021/04/25 15:43
android-5-10 SYZFAIL: event already set -1 syz error error 35 132d 1620d 0/2 auto-obsoleted due to no activity on 2026/04/12 07:12
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2026/04/18 19:49 2h53m retest repro upstream OK log
2026/04/02 16:39 21m retest repro upstream OK log
2026/03/20 15:08 1h07m retest repro upstream OK log
2026/03/20 15:08 1h32m retest repro upstream OK log
2026/03/20 15:08 1h21m retest repro upstream OK log
2026/03/05 17:00 21m retest repro upstream OK log
2026/03/05 16:35 33m retest repro upstream OK log
2026/03/05 16:35 21m retest repro upstream OK log
2026/02/19 01:51 24m retest repro upstream OK log
2026/02/19 01:51 22m retest repro upstream OK log
▶ ▼ Fix bisection attempts (16)
Created Duration User Patch Repo Result
2026/02/07 14:54 1m bisect fix upstream error job log
2023/07/16 07:37 51m bisect fix upstream OK (0) job log log
2023/05/09 03:45 32m bisect fix upstream OK (0) job log log
2023/04/08 21:24 33m bisect fix upstream OK (0) job log log
2023/03/09 20:33 50m bisect fix upstream OK (0) job log log
2023/02/07 08:41 32m bisect fix upstream OK (0) job log log
2022/10/13 01:39 30m (2) bisect fix upstream OK (0) job log log
2022/08/23 00:54 29m bisect fix upstream OK (0) job log log
2022/07/21 06:21 26m bisect fix upstream OK (0) job log log
2022/06/21 05:49 31m bisect fix upstream OK (0) job log log
2022/05/22 05:19 29m bisect fix upstream OK (0) job log log
2021/12/06 11:58 22m bisect fix upstream OK (0) job log log
marked invalid by web-security-scanner@google.com
2021/10/23 10:21 29m bisect fix upstream OK (0) job log log
2021/09/22 00:18 25m bisect fix upstream OK (0) job log log
2021/08/22 09:54 28m bisect fix upstream OK (0) job log log
marked invalid by web-security-scanner@google.com
2021/07/16 00:48 23m bisect fix upstream OK (0) job log log
marked invalid by web-security-scanner@google.com

Sample crash report:
2022/04/06 20:29:18 executor failed 11 times: executor 3: exit status 67
SYZFAIL: event already set
 (errno 95: Operation not supported)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67

SYZFAIL: event already set
 (errno 95: Operation not supported)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67

Crashes (32):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/04/06 20:33 upstream 3e732ebf7316 97582466 .config console log report syz ci-upstream-kasan-gce SYZFAIL: event already set
2021/12/25 13:57 upstream b927dfc67d05 6caa12e4 .config console log report syz ci-upstream-kasan-gce-selinux-root SYZFAIL: event already set
2021/06/15 17:21 upstream 009c9aa5be65 58636922 .config console log report syz ci-upstream-kasan-gce SYZFAIL: event already set
2022/04/22 05:19 upstream 59f0c2447e25 2738b391 .config console log report syz ci-upstream-kasan-gce-root SYZFAIL: event already set
2022/04/20 06:55 upstream b7f73403a3e9 7d7bc738 .config console log report syz ci-upstream-kasan-gce-root SYZFAIL: event already set
2022/04/17 06:24 upstream 90ea17a9e27b 8bcc32a6 .config console log report syz ci-upstream-kasan-gce SYZFAIL: event already set
2022/04/14 12:13 upstream a19944809fe9 b17b2923 .config console log report syz ci-upstream-kasan-gce-root SYZFAIL: event already set
2022/04/10 10:34 upstream e1f700ebd6be e22c3da3 .config console log report syz ci-upstream-kasan-gce-root SYZFAIL: event already set
2022/02/21 06:13 upstream 7f25f0412c9e 3cd800e4 .config console log report syz ci-upstream-kasan-gce SYZFAIL: event already set
2022/02/09 03:01 upstream e6251ab4551f 0b33604d .config console log report syz ci-upstream-kasan-gce SYZFAIL: event already set
2022/01/08 18:29 upstream d1587f7bfe9a 2ca0d385 .config console log report syz ci-upstream-kasan-gce SYZFAIL: event already set
2022/01/04 08:34 upstream c9e6606c7fe9 7f723fbe .config console log report syz ci-upstream-kasan-gce SYZFAIL: event already set
2022/01/01 21:33 upstream 800829388818 e1768e9c .config console log report syz ci-upstream-kasan-gce SYZFAIL: event already set
2021/12/31 10:24 upstream 74c78b4291b4 36bd2e48 .config console log report syz ci-upstream-kasan-gce SYZFAIL: event already set
2021/12/16 02:29 upstream 2b14864acbaa 572bcb40 .config console log report syz ci-upstream-kasan-gce SYZFAIL: event already set
2022/04/17 05:52 upstream 90ea17a9e27b 8bcc32a6 .config console log report info ci-upstream-kasan-gce-selinux-root SYZFAIL: event already set
2022/03/21 11:17 upstream f443e374ae13 e2d91b1d .config console log report info ci-upstream-kasan-gce-selinux-root SYZFAIL: event already set
2022/03/18 09:47 upstream 551acdc3c3d2 e2d91b1d .config console log report info ci-upstream-kasan-gce SYZFAIL: event already set
2022/03/14 15:19 upstream 09688c0166e7 9e8eaa75 .config console log report info ci-upstream-kasan-gce-root SYZFAIL: event already set
2022/03/04 18:32 upstream 38f80f42147f 45a13a73 .config console log report info ci-upstream-kasan-gce SYZFAIL: event already set
2022/02/17 11:35 upstream 359303076163 2bea8a27 .config console log report info ci-upstream-kasan-gce-root SYZFAIL: event already set
2022/02/06 11:21 upstream 90c9e950c0de a7dab638 .config console log report info ci-upstream-kasan-gce SYZFAIL: event already set
2022/01/27 03:20 upstream 0280e3c58f92 2cbffd88 .config console log report info ci-upstream-kasan-gce-smack-root SYZFAIL: event already set
2022/01/13 08:25 upstream f079ab01b560 44d1319a .config console log report info ci-upstream-kasan-gce-selinux-root SYZFAIL: event already set
2022/01/06 09:17 upstream 49ef78e59b07 6acc789a .config console log report info ci-upstream-kasan-gce-selinux-root SYZFAIL: event already set
2022/01/01 15:31 upstream 800829388818 e1768e9c .config console log report info ci-upstream-kasan-gce SYZFAIL: event already set
2021/12/25 10:31 upstream b927dfc67d05 6caa12e4 .config console log report info ci-upstream-kasan-gce-selinux-root SYZFAIL: event already set
2021/03/25 00:28 upstream 4ee998b0ef8b 607e3baf .config console log report info ci-upstream-kasan-gce SYZFAIL: event already set
2021/11/06 11:58 upstream fe91c4725aee 4c1be0be .config console log report info ci-qemu2-arm64-mte SYZFAIL: event already set
2021/04/30 21:49 upstream d72cd4ad4174 77e2b668 .config console log report info ci-qemu2-arm64 SYZFAIL: event already set
2023/06/03 08:41 linux-next 715abedee4cd a4ae4f42 .config console log report syz [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root SYZFAIL: event already set
2022/01/22 21:13 linux-next c94951012a74 214351e1 .config console log report info ci-upstream-linux-next-kasan-gce-root SYZFAIL: event already set
* Struck through repros no longer work on HEAD.