SYZFAIL: tun: read failed (3)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: e031614d5928 bsddialog: new utility for TUI dialogs and wi..
git tree: freebsd-src
console output: https://syzkaller.appspot.com/x/log.txt?x=14c95879700000
dashboard link: https://syzkaller.appspot.com/bug?extid=7ccf4a3e09df556dc03c
userspace arch: i386

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

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+7ccf4a...@syzkaller.appspotmail.com

SYZFAIL: tun: read failed
(errno 93: Capabilities insufficient)
SYZFAIL: child failed
(errno 0: No error: 0)
if_delmulti_locked: detaching ifnet instance 0xfffffe000819a000
if_delmulti_locked: detaching ifnet instance 0xfffffe000819a000
if_delmulti_locked: detaching ifnet instance 0xfffffe000819a000
if_delmulti_locked: detaching ifnet instance 0xfffffe000819b800
if_delmulti_locked: detaching ifnet instance 0xfffffe000819b800
if_delmulti_locked: detaching ifnet instance 0xfffffe000819b800
Mar 7 15:57:21 ci-freebsd-i386-
FreeBSD/amd64 (ci-freebsd-i386-1.c.syzkaller.internal) (ttyu0)

login: Mar 7 15:57:21 ci-freebsd-i386-1 dhclient[1534]: connection closed
Mar 7 15:57:21 ci-freebsd-i386-1 dhclient[1534]: exiting.


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[syzbot]

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