syzbot


SYZFAIL: tun read failed

Status: upstream: reported syz repro on 2023/12/20 12:51
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+de435d5aa6370353cef3@syzkaller.appspotmail.com
First crash: 132d, last: 42d
Bug presence (2)
Date Name Commit Repro Result
2023/12/20 upstream (ToT) 55cb5f43689d C [report] SYZFAIL: tun read failed
2024/04/19 upstream (ToT) 2668e3ae2ef3 C Failed due to an error; will retry later
Similar bugs (7)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-15 SYZFAIL: tun read failed origin:upstream syz 44 6d16h 257d 0/2 premoderation: reported syz repro on 2023/08/17 16:16
linux-4.19 SYZFAIL: tun read failed syz error 993 957d 1158d 0/1 upstream: reported syz repro on 2021/02/28 06:02
android-54 SYZFAIL: tun read failed syz 850 304d 1158d 0/2 upstream: reported syz repro on 2021/02/28 01:20
linux-6.1 SYZFAIL: tun read failed origin:upstream syz 6 58d 183d 0/3 upstream: reported syz repro on 2023/10/31 04:06
linux-4.14 SYZFAIL: tun read failed syz error 423 806d 1157d 0/1 upstream: reported syz repro on 2021/02/28 11:26
android-6-1 SYZFAIL: tun read failed origin:upstream syz inconclusive 44 6d16h 275d 0/2 premoderation: reported syz repro on 2023/07/31 00:04
android-5-10 SYZFAIL: tun read failed syz error error 123 7d03h 920d 0/2 premoderation: reported syz repro on 2021/10/23 11:03
Fix bisection attempts (2)
Created Duration User Patch Repo Result
2024/03/19 20:52 1h43m bisect fix linux-5.15.y job log (0) log
2024/01/20 21:24 1h01m bisect fix linux-5.15.y job log (0) log

Sample crash report:
2023/12/20 12:40:34 [FATAL] executor failed 11 times: executor 0: exit status 67 err exit status 67
SYZFAIL: tun read failed
 (errno 9: Bad file descriptor)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67
exit status 67

SYZFAIL: tun read failed
 (errno 9: Bad file descriptor)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67
exit status 67

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/12/20 12:50 linux-5.15.y d0fc081c6241 3ad490ea .config console log report syz [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: tun read failed
* Struck through repros no longer work on HEAD.