SYZFAIL: event already set

SYZFAIL: event already set

Status: upstream: reported syz repro on 2021/04/20 18:14
Reported-by: syzbot+3805aad7c20d699d3a6c@syzkaller.appspotmail.com
First crash: 649d, last: 303d

Fix bisection: failed (bisect log)

similar bugs (3):
Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
android-54	SYZFAIL: event already set	syz			46	287d	705d	0/2	upstream: reported syz repro on 2021/02/23 22:38
linux-4.19	SYZFAIL: event already set	syz		error	19	286d	644d	0/1	upstream: reported syz repro on 2021/04/25 15:43
android-5-10	SYZFAIL: event already set	syz	error		35	92d	409d	0/2	premoderation: reported syz repro on 2021/12/16 00:05

Last patch testing requests:
Created	Duration	User	Patch	Repo	Result
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

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):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets	Title
ci2-linux-4-14	2021/05/05 04:47	linux-4.14.y	7d7d1c0ab3eb	06c27ff5	.config	console log	report	syz				SYZFAIL: event already set
ci2-linux-4-14	2021/04/20 18:13	linux-4.14.y	cf256fbcbe34	c0ced557	.config	console log	report	syz				SYZFAIL: event already set

* ~~Struck through~~ repros no longer work on HEAD.