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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: 787d, last: 2h50m
▶ ▼ 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 1477d 1670d 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 (974):
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
2025/09/19 05:03 freebsd-src d5984d5f29a7 e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/19 03:59 freebsd-src d5984d5f29a7 e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/19 01:08 freebsd-src d5984d5f29a7 e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/18 18:36 freebsd-src 7c0bc6c703ee e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/18 16:24 freebsd-src 7c0bc6c703ee e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/18 13:27 freebsd-src 7c0bc6c703ee e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/18 12:26 freebsd-src 7c0bc6c703ee e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/18 06:40 freebsd-src 7c0bc6c703ee e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/18 02:48 freebsd-src 08d41d8803d9 e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/18 00:52 freebsd-src 08d41d8803d9 e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/17 22:27 freebsd-src 08d41d8803d9 e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/17 09:09 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/16 23:18 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/16 20:46 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/16 08:57 freebsd-src 34a006eaa39c e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/16 02:05 freebsd-src 34a006eaa39c e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/15 22:04 freebsd-src 7780766b403d e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/15 12:10 freebsd-src 7780766b403d e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/15 10:17 freebsd-src 7780766b403d e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/15 06:37 freebsd-src 52096ba6b769 e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/15 00:03 freebsd-src 52096ba6b769 e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/14 22:43 freebsd-src 52096ba6b769 e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/14 12:48 freebsd-src bd7032e0b058 e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/14 11:13 freebsd-src bd7032e0b058 e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/14 09:54 freebsd-src bd7032e0b058 e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/14 06:57 freebsd-src bd7032e0b058 e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/14 06:56 freebsd-src bd7032e0b058 e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/14 05:45 freebsd-src 8a4e4c95244b e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/14 00:20 freebsd-src 8a4e4c95244b e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/13 16:49 freebsd-src d4282cfa97d6 e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/13 14:41 freebsd-src d4282cfa97d6 e2beed91 console log report ci-freebsd-main SYZFAIL: tun: can't open device
2025/09/18 23:34 freebsd-src a37825313f62 e2beed91 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/09/18 19:41 freebsd-src a37825313f62 e2beed91 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/09/18 06:02 freebsd-src 7c0bc6c703ee e2beed91 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/09/17 16:23 freebsd-src 2b0f8c6907b9 e2beed91 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/09/17 13:52 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/09/17 05:32 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/09/17 02:42 freebsd-src dea1dd669054 e2beed91 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/09/16 23:59 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/09/16 13:07 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/09/15 23:28 freebsd-src 969be39fb3ca e2beed91 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/09/15 09:41 freebsd-src e239f49146e0 e2beed91 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/09/15 02:54 freebsd-src 52096ba6b769 e2beed91 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/09/14 20:01 freebsd-src 52096ba6b769 e2beed91 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
2025/09/14 03:23 freebsd-src cbba9f7eeead e2beed91 console log report ci-freebsd-i386 SYZFAIL: tun: can't open device
* Struck through repros no longer work on HEAD.