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SYZFAIL: tun: can't open device (2)

Status: upstream: reported syz repro on 2023/07/25 01:05
Reported-by: syzbot+cff1d829d8ac97ee9d4f@syzkaller.appspotmail.com
First crash: 874d, last: 1h34m
▶ ▼ Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd SYZFAIL: tun: can't open device -1 syz 159 1564d 1757d 0/2 closed as invalid on 2022/04/17 17:01

Sample crash report:
SYZFAIL: tun: can't open device
device=/dev/tap0 (errno 16: Device busy)

maxproc limit exceeded by uid 0 (pid 11318); see tuning(7) and login.conf(5)
maxproc limit exceeded by uid 0 (pid 11817); see tuning(7) and login.conf(5)
maxproc limit exceeded by uid 0 (pid 10432); see tuning(7) and login.conf(5)
maxproc limit exceeded by uid 0 (pid 10432); see tuning(7) and login.conf(5)


FreeBSD/amd64 (ci-freebsd-main-7.c.syzkaller.internal) (ttyu0)

login:

Crashes (1731):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/09/09 02:33 freebsd-src 3ac7664774ad 6654cf89 console log report syz ci-freebsd-main SYZFAIL: tun: can't open device
2023/07/25 01:03 freebsd-src 92103adbebd9 9a0ddda3 console log report syz ci-freebsd-main SYZFAIL: tun: can't open device
2023/08/15 09:29 freebsd-src d29b95ecc0d0 39990d51 console log report syz ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/12/15 06:55 freebsd-src edd982b95372 a066d2bc console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/15 03:31 freebsd-src edd982b95372 a066d2bc console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/14 19:48 freebsd-src 1dee2336ab44 a066d2bc console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/14 14:05 freebsd-src 1dee2336ab44 a066d2bc console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/14 08:09 freebsd-src 2f29d0f3e6d2 a066d2bc console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/13 14:06 freebsd-src c42bce238abd a066d2bc console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/13 07:16 freebsd-src c42bce238abd a066d2bc console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/12 22:20 freebsd-src ef2d586d7efb a066d2bc console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/11 03:03 freebsd-src a0347b0f3a60 48b27acc console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/10 21:29 freebsd-src a0347b0f3a60 48b27acc console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/10 19:53 freebsd-src a0347b0f3a60 48b27acc console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/10 18:53 freebsd-src cc1e4aae5a67 48b27acc console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/10 14:23 freebsd-src cc1e4aae5a67 48b27acc console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/10 11:28 freebsd-src cc1e4aae5a67 48b27acc console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/10 08:58 freebsd-src cc1e4aae5a67 48b27acc console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/10 03:48 freebsd-src cc1e4aae5a67 fc20f974 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/09 22:07 freebsd-src f88300a7b56e fc20f974 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/09 19:35 freebsd-src f88300a7b56e fc20f974 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/08 23:26 freebsd-src 3f10e5985044 fc20f974 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/08 16:27 freebsd-src 3f10e5985044 fc20f974 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/08 12:49 freebsd-src 3f10e5985044 fc20f974 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/07 23:17 freebsd-src 3f10e5985044 cee4cb10 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/07 05:15 freebsd-src 6f4debc004c3 cee4cb10 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/06 23:11 freebsd-src 6f4debc004c3 cee4cb10 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/06 21:12 freebsd-src 6f4debc004c3 cee4cb10 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/06 13:14 freebsd-src ced74610217f cee4cb10 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/06 03:05 freebsd-src 27ff0bbcfd27 cee4cb10 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/05 10:39 freebsd-src fc88be257e30 cee4cb10 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/12/14 23:14 freebsd-src edd982b95372 a066d2bc console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/12/14 09:34 freebsd-src 1dee2336ab44 a066d2bc console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/12/13 19:55 freebsd-src 2f29d0f3e6d2 a066d2bc console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/12/13 06:14 freebsd-src c42bce238abd a066d2bc console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/12/12 16:45 freebsd-src 3b8e13c4696e a066d2bc console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/12/12 03:05 freebsd-src 8ac7a3801c6a a066d2bc console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/12/11 13:19 freebsd-src a35545ee0268 a066d2bc console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/12/11 10:12 freebsd-src a35545ee0268 48b27acc console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/12/10 06:12 freebsd-src cc1e4aae5a67 48b27acc console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/12/09 14:46 freebsd-src 66129def7bda fc20f974 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/12/08 12:55 freebsd-src 3f10e5985044 fc20f974 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/12/07 08:23 freebsd-src 3f10e5985044 cee4cb10 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/12/06 18:44 freebsd-src 6f4debc004c3 cee4cb10 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/12/06 05:05 freebsd-src ced74610217f cee4cb10 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/12/05 15:29 freebsd-src 27ff0bbcfd27 cee4cb10 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
* Struck through repros no longer work on HEAD.