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SYZFAIL: event already set

Status: upstream: reported syz repro on 2021/04/20 18:14
Reported-by: syzbot+3805aad7c20d699d3a6c@syzkaller.appspotmail.com
First crash: 1661d, last: 1315d
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-54 SYZFAIL: event already set -1 syz 46 199d 1717d 0/2 upstream: reported syz repro on 2021/02/23 22:38
linux-4.19 SYZFAIL: event already set -1 syz error 19 1299d 1656d 0/1 upstream: reported syz repro on 2021/04/25 15:43
android-5-10 SYZFAIL: event already set -1 syz error error 35 4d09h 1422d 0/2 premoderation: reported syz repro on 2021/12/16 00:05
▶ ▼ Last patch testing requests (4)
Created Duration User Patch Repo Result
2023/02/26 01:32 9m retest repro linux-4.14.y report log
2023/02/26 00:32 9m retest repro linux-4.14.y report log
2022/11/07 07:30 11m retest repro linux-4.14.y report log
2022/11/07 06:30 9m retest repro linux-4.14.y report log
▶ ▼ Fix bisection attempts (12)
Created Duration User Patch Repo Result
2022/05/01 20:45 13m bisect fix linux-4.14.y error job log
2022/04/01 20:08 37m bisect fix linux-4.14.y OK (0) job log log
2022/03/01 20:17 33m bisect fix linux-4.14.y OK (0) job log log
2022/01/30 09:39 30m bisect fix linux-4.14.y OK (0) job log log
2021/12/31 09:11 27m bisect fix linux-4.14.y OK (0) job log log
2021/12/01 08:41 29m bisect fix linux-4.14.y OK (0) job log log
2021/11/01 08:07 26m bisect fix linux-4.14.y OK (0) job log log
2021/10/02 07:42 25m bisect fix linux-4.14.y OK (0) job log log
2021/09/02 07:13 28m bisect fix linux-4.14.y OK (0) job log log
2021/08/03 06:46 26m bisect fix linux-4.14.y OK (0) job log log
2021/07/04 06:22 24m bisect fix linux-4.14.y OK (0) job log log
2021/06/04 05:54 27m bisect fix linux-4.14.y OK (0) job log log

Sample crash report:
2021/05/05 04:36:59 executor failed 11 times: executor 0: exit status 67
SYZFAIL: event already set
 (errno 14: Bad address)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67

SYZFAIL: event already set
 (errno 14: Bad address)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/05/05 04:47 linux-4.14.y 7d7d1c0ab3eb 06c27ff5 .config console log report syz ci2-linux-4-14 SYZFAIL: event already set
2021/04/20 18:13 linux-4.14.y cf256fbcbe34 c0ced557 .config console log report syz ci2-linux-4-14 SYZFAIL: event already set
* Struck through repros no longer work on HEAD.