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: 767d, last: 17h33m
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 1458d 1650d 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 (799):
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
2025/08/29 00:19 freebsd-src c04fe26aa2f7 d401b9d7 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/28 02:37 freebsd-src c04fe26aa2f7 e12e5ba4 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/28 01:21 freebsd-src c04fe26aa2f7 e12e5ba4 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/27 19:24 freebsd-src c04fe26aa2f7 e12e5ba4 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/26 10:10 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/26 03:54 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/25 18:37 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/25 17:22 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/25 09:44 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/25 08:32 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/25 06:32 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/25 03:44 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/24 21:25 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/24 19:07 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/24 09:58 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/24 07:27 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/24 02:31 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/23 06:04 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/23 00:53 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/22 10:14 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/22 08:43 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/22 00:44 freebsd-src c04fe26aa2f7 3e79b825 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/21 23:39 freebsd-src c04fe26aa2f7 3e79b825 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/21 22:36 freebsd-src c04fe26aa2f7 3e79b825 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/21 20:55 freebsd-src c04fe26aa2f7 3e79b825 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/21 19:43 freebsd-src c04fe26aa2f7 3e79b825 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/21 15:20 freebsd-src c04fe26aa2f7 3e79b825 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/21 13:18 freebsd-src c04fe26aa2f7 3e79b825 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/21 07:46 freebsd-src c04fe26aa2f7 0b9605c8 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/21 04:11 freebsd-src c04fe26aa2f7 0b9605c8 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/21 02:52 freebsd-src c04fe26aa2f7 0b9605c8 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/21 00:32 freebsd-src c04fe26aa2f7 0b9605c8 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/08/30 05:53 freebsd-src c04fe26aa2f7 807a3b61 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/08/29 22:47 freebsd-src c04fe26aa2f7 807a3b61 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/08/29 21:30 freebsd-src c04fe26aa2f7 807a3b61 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/08/29 08:53 freebsd-src c04fe26aa2f7 d401b9d7 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/08/28 07:02 freebsd-src c04fe26aa2f7 e12e5ba4 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/08/27 16:42 freebsd-src c04fe26aa2f7 e12e5ba4 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/08/27 10:42 freebsd-src c04fe26aa2f7 e12e5ba4 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/08/27 00:23 freebsd-src c04fe26aa2f7 e12e5ba4 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/08/26 13:55 freebsd-src c04fe26aa2f7 e12e5ba4 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/08/26 10:41 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/08/25 23:49 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/08/24 16:46 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/08/24 14:42 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/08/24 08:46 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/08/21 13:05 freebsd-src c04fe26aa2f7 3e79b825 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/08/21 10:23 freebsd-src c04fe26aa2f7 0b9605c8 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
* Struck through repros no longer work on HEAD.