SYZFAIL: tun read failed

Status: upstream: reported syz repro on 2023/10/31 04:06
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+38532ebe274fa8ad9ba9@syzkaller.appspotmail.com
First crash: 1005d, last: 784d
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2023/10/31 upstream (ToT) 5a6a09e97199 syz [report] SYZFAIL: tun read failed
2026/06/27 upstream (ToT) 5a66900afbd6 syz Failed due to an error; will retry later
▶ ▼ Similar bugs (8)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-15 SYZFAIL: tun read failed origin:upstream -1 syz 44 743d 1079d 0/2 closed as invalid on 2024/07/25 13:03
linux-4.19 SYZFAIL: tun read failed -1 syz error 993 1780d 1980d 0/1 upstream: reported syz repro on 2021/02/28 06:02
android-54 SYZFAIL: tun read failed -1 syz 850 1126d 1980d 0/2 auto-obsoleted due to no activity on 2024/06/06 20:38
linux-5.15 SYZFAIL: tun read failed origin:upstream -1 syz error 1 32d 955d 0/3 upstream: reported syz repro on 2023/12/20 12:51
linux-4.14 SYZFAIL: tun read failed -1 syz error 423 1628d 1980d 0/1 upstream: reported syz repro on 2021/02/28 11:26
android-6-1 SYZFAIL: tun read failed origin:upstream -1 syz inconclusive 44 743d 1097d 0/2 closed as invalid on 2024/07/25 13:03
upstream SYZFAIL: tun read failed -1 syz inconclusive error 1617 748d 1985d 0/29 closed as invalid on 2024/07/25 13:03
android-5-10 SYZFAIL: tun read failed -1 syz error error 123 744d 1743d 0/2 closed as invalid on 2024/07/25 13:03
▶ ▼ Fix bisection attempts (3)
Created Duration User Patch Repo Result
2024/10/15 02:42 14m bisect fix linux-6.1.y error job log
2024/06/07 13:33 1h25m bisect fix linux-6.1.y OK (0) job log log
2023/12/04 02:59 1h32m bisect fix linux-6.1.y OK (0) job log log

Sample crash report:
1970/01/01 00:04:28 [FATAL] executor failed 11 times: executor 0: exit status 67 err signal: killed
SYZFAIL: tun read failed
 (errno 9: Bad file descriptor)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67
signal: killed

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

Crashes (6):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/03/04 01:18 linux-6.1.y a3eb3a74aa8c 25905f5d .config console log report syz [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: tun read failed
2024/03/02 01:02 linux-6.1.y a3eb3a74aa8c 83acf9e0 .config console log report syz [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: tun read failed
2024/03/02 00:12 linux-6.1.y a3eb3a74aa8c 83acf9e0 .config console log report syz [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: tun read failed
2024/01/15 02:09 linux-6.1.y 7c58bfa711cb 551587c1 .config console log report syz [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: tun read failed
2023/12/18 02:35 linux-6.1.y ba6f5fb46511 3222d10c .config console log report syz [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: tun read failed
2023/10/31 04:06 linux-6.1.y 32c9cdbe383c b5729d82 .config console log report syz [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: tun read failed
* Struck through repros no longer work on HEAD.