SYZFAIL: output overflow

SYZFAIL: output overflow

Status: upstream: reported syz repro on 2021/05/11 06:01
Reported-by: syzbot+47aba93312e577096555@syzkaller.appspotmail.com
First crash: 1320d, last: 1170d

Fix bisection: failed (error log, bisect log)

▶ ▼ Similar bugs (1)

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.14	SYZFAIL: output overflow	syz		error	2	991d	1325d	0/1	upstream: reported syz repro on 2021/05/05 23:38

▶ ▼ Fix bisection attempts (6)


Created	Duration	User	Repo	Result
2021/11/07 09:20	11m	bisect fix	linux-4.19.y	error job log
2021/10/08 08:46	33m	bisect fix	linux-4.19.y	OK (0) job log log
2021/09/08 08:05	41m	bisect fix	linux-4.19.y	OK (0) job log log
2021/08/09 07:28	36m	bisect fix	linux-4.19.y	OK (0) job log log
2021/07/10 07:00	27m	bisect fix	linux-4.19.y	OK (0) job log log
2021/06/10 06:25	35m	bisect fix	linux-4.19.y	OK (0) job log log

Sample crash report:

2021/05/11 05:49:39 executor failed 11 times: executor 0: exit status 67
SYZFAIL: output overflow
pos=(nil) region=[0x1010000000000:0x1010001000000] (errno 110: Connection timed out)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67

SYZFAIL: output overflow
pos=(nil) region=[0x1010000000000:0x1010001000000] (errno 110: Connection timed out)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2021/05/11 06:00	linux-4.19.y	3c8c23092588	ca873091	.config	console log	report	syz				ci2-linux-4-19	SYZFAIL: output overflow

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