syzbot


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: 908d, last: 12h21m
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 1599d 1791d 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 (1986):
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
2026/01/18 11:53 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/18 08:59 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/18 05:29 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/17 14:04 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/17 09:00 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/17 06:31 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/17 00:48 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/16 20:14 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/16 18:39 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/16 01:38 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/15 18:56 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/15 14:43 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/15 12:17 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/15 04:09 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/15 02:32 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/15 00:39 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/14 22:06 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/14 19:51 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/14 15:24 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/14 12:32 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/14 06:37 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/14 04:19 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/14 03:05 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/13 21:14 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/13 13:08 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/13 11:55 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/13 05:10 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/13 02:59 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/12 21:15 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/12 18:40 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/12 06:58 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/12 04:18 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/12 02:58 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/11 17:37 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/11 16:11 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/11 14:40 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/11 12:10 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/11 08:15 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/11 05:06 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/11 02:56 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/10 23:05 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/10 21:49 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/10 18:06 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/10 16:32 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/10 14:23 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/10 05:57 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2026/01/17 19:10 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2026/01/10 13:08 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
* Struck through repros no longer work on HEAD.