SYZFAIL: too much cover (2)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: e5349a2909ab pfctl tests: Ethernet rule parsing tests
git tree: freebsd-src
console output: https://syzkaller.appspot.com/x/log.txt?x=16ccc1ce700000
dashboard link: https://syzkaller.appspot.com/bug?extid=55e45270b912228f18bf
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+55e452...@syzkaller.appspotmail.com

SYZFAIL: too much cover
thr=0, cov=1864135 (errno 14: Bad address)
SYZFAIL: child failed
(errno 0: No error: 0)
if_delmulti_locked: detaching ifnet instance 0xfffffe0057898000
if_delmulti_locked: detaching ifnet instance 0xfffffe0057898000
if_delmulti_locked: detaching ifnet instance 0xfffffe0057898000
if_delmulti_locked: detaching ifnet instance 0xfffffe0057898000
if_delmulti_locked: detaching ifnet instance 0xfffffe0057898000
if_delmulti_locked: detaching ifnet instance 0xfffffe0057898000
Mar 3 08:09:55 ci-freebsd-i386-1 dhclient[1062]if_delmulti_locked: detaching ifnet instance 0xfffffe005789a000
: Interface tap0if_delmulti_locked: detaching ifnet instance 0xfffffe005789a000
is down, dhclient exiting
if_delmulti_locked: detaching ifnet instance 0xfffffe005789a000
if_delmulti_locked: detaching ifnet instance 0xfffffe0057899800
if_delmulti_locked: detaching ifnet instance 0xfffffe0057899800
if_delmulti_locked: detaching ifnet instance 0xfffffe0057899800
Mar 3 08:09:56 ci-freebsd-i386-1 dhclient[2129]: Interface tap1 is down, dhclient exiting
if_delmulti_locked: detaching ifnet instance 0xfffffe0057899000
if_delmulti_locked: detaching ifnet instance 0xfffffe0057899000
if_delmulti_locked: detaching ifnet instance 0xfffffe0057899000
Mar 3 08:09:56 ci-freebsd-i386-1 dhclient[1062]
FreeBSD/amd64 (ci-freebsd-i386-1.c.syzkaller.internal) (ttyu0)

login: Mar 3 08:09:56 ci-freebsd-i386-1 dhclient[1062]: exiting.
Mar 3 08:09:56 ci-freebsd-i386-1 dhclient[2129]: connection closed
Mar 3 08:09:56 ci-freebsd-i386-1 dhclient[2129]: exiting.
if_delmulti_locked: detaching ifnet instance 0xfffffe0057899800
if_delmulti_locked: detaching ifnet instance 0xfffffe0057899800
if_delmulti_locked: detaching ifnet instance 0xfffffe0057899800


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[syzbot]

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