syzbot

 sign-in | mailing list | source | docs
🐞 Open [98]
🐞 Fixed [351]
🐞 Invalid [381]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
💬 Send us feedback

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: 722d, last: 5h12m
▶ ▼ 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 1412d 1605d 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 (237):
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
2025/07/16 08:21 freebsd-src b2bf651a797b c118d736 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/15 20:51 freebsd-src 9e8c1f9576e7 d8fc7335 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/15 18:38 freebsd-src 9e8c1f9576e7 d8fc7335 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/15 14:33 freebsd-src 9e8c1f9576e7 d8fc7335 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/15 04:35 freebsd-src b87aa791533f d8fc7335 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/14 17:01 freebsd-src b87aa791533f d8fc7335 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/14 08:41 freebsd-src b87aa791533f 3cda49cf console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/14 03:36 freebsd-src 8efa35fea384 3cda49cf console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/13 17:47 freebsd-src bf4d2a45b991 3cda49cf console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/13 09:45 freebsd-src bf4d2a45b991 3cda49cf console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/13 00:01 freebsd-src 16a9f31b8aae 3cda49cf console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/12 17:15 freebsd-src 16a9f31b8aae 3cda49cf console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/12 10:31 freebsd-src cca6a72d7f71 3cda49cf console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/12 04:36 freebsd-src cca6a72d7f71 3cda49cf console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/11 16:42 freebsd-src 99d5cf25d7b8 3cda49cf console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/11 12:17 freebsd-src 99d5cf25d7b8 3cda49cf console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/11 07:46 freebsd-src e8019a159185 3cda49cf console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/10 22:32 freebsd-src e8019a159185 3cda49cf console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/10 17:02 freebsd-src 78935fa40eee d7384b6d console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/10 13:01 freebsd-src 78935fa40eee d7384b6d console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/10 10:28 freebsd-src 78935fa40eee d7384b6d console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/10 08:43 freebsd-src 78935fa40eee 956bd956 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/10 04:33 freebsd-src 78935fa40eee 956bd956 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/10 01:10 freebsd-src 21876224361a 956bd956 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/09 16:27 freebsd-src 21876224361a 956bd956 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/09 15:26 freebsd-src 21876224361a 956bd956 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/09 02:51 freebsd-src 0849d876b1ac f4e5e155 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/08 16:03 freebsd-src 45730dd3ed33 4d9fdfa4 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/08 15:02 freebsd-src 45730dd3ed33 4d9fdfa4 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/08 13:02 freebsd-src 45730dd3ed33 4f67c4ae console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/08 10:05 freebsd-src 45730dd3ed33 4f67c4ae console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/08 08:31 freebsd-src 01a679715f68 4f67c4ae console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/07 20:23 freebsd-src 01a679715f68 4f67c4ae console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/07 10:38 freebsd-src e05999a8c5a9 4f67c4ae console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/07 06:44 freebsd-src e05999a8c5a9 4f67c4ae console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/07 05:04 freebsd-src 3ba480f41801 4f67c4ae console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/06 06:55 freebsd-src afd5bc630930 4f67c4ae console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/03 21:43 freebsd-src 9d004de910bb a3c808e4 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/06/25 07:02 freebsd-src 614087c65e99 26d77996 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/07/08 23:18 freebsd-src 45730dd3ed33 4d9fdfa4 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/07/08 13:18 freebsd-src 45730dd3ed33 4f67c4ae console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/07/08 02:55 freebsd-src 01a679715f68 4f67c4ae console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/07/07 17:55 freebsd-src e05999a8c5a9 4f67c4ae console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/06/28 20:10 freebsd-src 3a33e39edd48 fc9d8ee5 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/06/27 22:14 freebsd-src 7ad574b3e3a9 fc9d8ee5 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/06/27 16:07 freebsd-src 7ad574b3e3a9 ba7e550f console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/06/26 10:03 freebsd-src cd0169c9379c 26d77996 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/06/25 08:48 freebsd-src eab94b59a774 26d77996 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
* Struck through repros no longer work on HEAD.