SYZFAIL: tun: can't open device (5)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: e17cfef6a95f rename inteldrm_softc to drm_i915_private, re..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=148f3db8580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=7a9c5de91daba5133ee2

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/603c80201170/disk-e17cfef6.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/b8113d5b3038/bsd-e17cfef6.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/a8ab34b305a3/kernel-e17cfef6.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+7a9c5d...@syzkaller.appspotmail.com

SYZFAIL: tun: can't open device
device=/dev/tap0 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap0 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap0 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap0 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap0 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap0 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap0 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap0 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap0 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap0 (errno 16: Device busy)
SYZFAIL: ioctl remote attach failed
(errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap0 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap0 (errno 16: Device busy)
SYZFAIL: ioctl remote attach failed
(errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap0 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap0 (errno 16: Device busy)
SYZFAIL: ioctl remote attach failed
(errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap0 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap0 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap0 (errno 16: Device busy)
SYZFAIL: repeatedly failed to execute the program
proc=0 req=1 state=1 status=67 (errno 35: Resource temporarily unavailable)


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[syzbot]

Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.