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: 300d, last: 11d
Bug presence (1)
Date Name Commit Repro Result
2023/12/20 upstream (ToT) 55cb5f43689d C [report] SYZFAIL: tun read failed
Similar bugs (8)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-15 SYZFAIL: tun read failed origin:upstream syz 44 89d 425d 0/2 closed as invalid on 2024/07/25 13:03
linux-4.19 SYZFAIL: tun read failed syz error 993 1125d 1325d 0/1 upstream: reported syz repro on 2021/02/28 06:02
android-54 SYZFAIL: tun read failed syz 850 472d 1325d 0/2 auto-obsoleted due to no activity on 2024/06/06 20:38
linux-6.1 SYZFAIL: tun read failed origin:upstream syz error 6 130d 350d 0/3 upstream: reported syz repro on 2023/10/31 04:06
linux-4.14 SYZFAIL: tun read failed syz error 423 974d 1325d 0/1 upstream: reported syz repro on 2021/02/28 11:26
android-6-1 SYZFAIL: tun read failed origin:upstream syz inconclusive 44 89d 442d 0/2 closed as invalid on 2024/07/25 13:03
upstream SYZFAIL: tun read failed syz inconclusive error 1617 93d 1330d 0/28 closed as invalid on 2024/07/25 13:03
android-5-10 SYZFAIL: tun read failed syz error error 123 89d 1088d 0/2 closed as invalid on 2024/07/25 13:03
Last patch testing requests (1)
Created Duration User Patch Repo Result
2024/10/03 23:24 52m retest repro linux-5.15.y report log
Fix bisection attempts (3)
Created Duration User Patch Repo Result
2024/06/03 17:25 1h10m bisect fix linux-5.15.y OK (0) job log log
2024/03/19 20:52 1h43m bisect fix linux-5.15.y OK (0) job log log
2024/01/20 21:24 1h01m bisect fix linux-5.15.y OK (0) job log 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.