SYZFAIL: output overflow

Status: upstream: reported syz repro on 2021/05/05 23:38
Reported-by: syzbot+507f980ce2c0294e0bda@syzkaller.appspotmail.com
First crash: 1935d, last: 1600d
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 SYZFAIL: output overflow -1 syz error 1 1779d 1929d 0/1 upstream: reported syz repro on 2021/05/11 06:01
▶ ▼ Last patch testing requests (4)
Created Duration User Patch Repo Result
2023/02/26 13:32 11m retest repro linux-4.14.y report log
2023/02/26 12:32 9m retest repro linux-4.14.y report log
2022/11/07 18:30 10m retest repro linux-4.14.y report log
2022/11/07 17:30 9m retest repro linux-4.14.y report log
▶ ▼ Fix bisection attempts (12)
Created Duration User Patch Repo Result
2022/05/05 15:05 12m bisect fix linux-4.14.y error job log
2022/04/05 14:42 23m bisect fix linux-4.14.y OK (0) job log log
2022/03/06 13:14 26m bisect fix linux-4.14.y OK (0) job log log
2022/02/04 12:44 29m bisect fix linux-4.14.y OK (0) job log log
2022/01/05 12:17 27m bisect fix linux-4.14.y OK (0) job log log
2021/12/06 11:52 25m bisect fix linux-4.14.y OK (0) job log log
2021/11/06 11:19 32m bisect fix linux-4.14.y OK (0) job log log
2021/10/07 10:28 24m bisect fix linux-4.14.y OK (0) job log log
2021/09/07 10:01 26m bisect fix linux-4.14.y OK (0) job log log
2021/08/08 09:37 24m bisect fix linux-4.14.y OK (0) job log log
2021/07/09 09:13 23m bisect fix linux-4.14.y OK (0) job log log
2021/06/09 08:41 27m bisect fix linux-4.14.y OK (0) job log log

Sample crash report:
2021/05/10 08:30:39 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 (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/05/10 08:41 linux-4.14.y 7d7d1c0ab3eb bc5434be .config console log report syz ci2-linux-4-14 SYZFAIL: output overflow
2021/05/05 23:37 linux-4.14.y 7d7d1c0ab3eb 06c27ff5 .config console log report syz ci2-linux-4-14 SYZFAIL: output overflow
* Struck through repros no longer work on HEAD.