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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: 827d, last: 9h46m
▶ ▼ 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 1517d 1710d 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 (1277):
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
2025/10/29 04:21 freebsd-src 73551cd6eac2 fd2207e7 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/29 02:05 freebsd-src 22cff1f3e9d8 fd2207e7 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/28 23:48 freebsd-src 22cff1f3e9d8 fd2207e7 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/28 20:45 freebsd-src 22cff1f3e9d8 fd2207e7 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/28 19:12 freebsd-src 22cff1f3e9d8 fd2207e7 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/27 20:20 freebsd-src 1d100747d747 fd2207e7 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/27 01:36 freebsd-src 081218b7a200 c0460fcd console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/26 20:52 freebsd-src 081218b7a200 c0460fcd console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/26 19:28 freebsd-src 081218b7a200 c0460fcd console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/26 11:42 freebsd-src e93db9abc9a6 c0460fcd console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/26 07:46 freebsd-src e93db9abc9a6 c0460fcd console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/26 04:42 freebsd-src e93db9abc9a6 c0460fcd console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/26 01:35 freebsd-src e6e941e659ab c0460fcd console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/25 23:35 freebsd-src e6e941e659ab c0460fcd console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/25 16:20 freebsd-src e6e941e659ab c0460fcd console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/25 09:40 freebsd-src 1f95a517880b c0460fcd console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/25 06:28 freebsd-src 1f95a517880b c0460fcd console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/24 16:19 freebsd-src 2612f1b8649b c0460fcd console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/23 22:43 freebsd-src 93b02f69a6f6 c0460fcd console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/22 21:49 freebsd-src fe7954d723f8 c0460fcd console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/22 12:33 freebsd-src cdc199039308 252fbbad console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/22 07:11 freebsd-src 401026e4825a 252fbbad console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/22 02:59 freebsd-src 401026e4825a 252fbbad console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/22 01:11 freebsd-src 401026e4825a 252fbbad console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/21 23:06 freebsd-src 401026e4825a 252fbbad console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/20 20:29 freebsd-src 78f70d4ff9dd 9832ed61 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/20 10:27 freebsd-src 2f461ddd784b e18aa505 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/20 04:37 freebsd-src 2f461ddd784b e18aa505 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/19 19:57 freebsd-src bcdef9d68a21 e18aa505 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/19 04:35 freebsd-src 6fa18fe74461 e18aa505 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/18 16:35 freebsd-src d7ff2ded4748 e18aa505 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/18 07:59 freebsd-src 74a6bb524e5b e18aa505 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/17 19:43 freebsd-src c1e7e8f5cb0f e18aa505 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/17 09:26 freebsd-src c1e7e8f5cb0f e18aa505 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/16 07:50 freebsd-src 79e57ea662d9 19568248 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/16 06:33 freebsd-src 79e57ea662d9 19568248 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/14 22:19 freebsd-src 2110ae0ef9d6 b6605ba8 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/10/27 05:29 freebsd-src 1d100747d747 c0460fcd console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/10/26 02:08 freebsd-src e93db9abc9a6 c0460fcd console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/10/24 21:49 freebsd-src 35f375549c7f c0460fcd console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/10/24 08:51 freebsd-src 35f375549c7f c0460fcd console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/10/23 19:15 freebsd-src 93b02f69a6f6 c0460fcd console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/10/23 05:33 freebsd-src 131dc2b7ad1b c0460fcd console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/10/22 07:09 freebsd-src cdc199039308 252fbbad console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/10/21 17:25 freebsd-src 401026e4825a 252fbbad console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/10/21 08:44 freebsd-src 5f7d5709e0c2 9832ed61 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/10/20 17:43 freebsd-src 4ee0ddae1dab e18aa505 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/10/19 14:20 freebsd-src bcdef9d68a21 e18aa505 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/10/18 10:57 freebsd-src d7ff2ded4748 e18aa505 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/10/17 21:28 freebsd-src 74a6bb524e5b e18aa505 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/10/17 07:40 freebsd-src c1e7e8f5cb0f e18aa505 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/10/17 06:02 freebsd-src c1e7e8f5cb0f 19568248 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/10/16 01:31 freebsd-src 79e57ea662d9 19568248 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/10/15 14:05 freebsd-src c44d2663a790 82df6b00 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/10/15 04:31 freebsd-src ead721935251 b6605ba8 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/10/13 10:58 freebsd-src 96e0a62abd93 b6605ba8 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
* Struck through repros no longer work on HEAD.