SYZFAIL: SIGILL
if_delmulti_locked: detaching ifnet instance 0xfffffe0007fe4000
if_delmulti_locked: detaching ifnet instance 0xfffffe0007fe4000
if_delmulti_locked: detaching ifnet instance 0xfffffe0007fe4000
Connection to 10.128.1.30 closed by remote host.
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d20800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d20800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d20800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d1e800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d1e800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d1e800
pid 909 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 990 (syz-executor), tap0: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe005893cd80 is deleted
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d20000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d20000
tap0: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d20000
pid 905 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 736 (sh), jid 0, uid 0: exited on signal 4 (core dumped)
pid 904 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 903 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 907 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 908 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d20800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d20800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d20800
pid 902 (getty), jid 0, uid 0: exited on signal 4 (core dumped)

FreeBSD/amd64 (ci-freebsd-main-8.us-central1-b.c.syzkaller.internal) (ttyu0)

login: pid 906 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
set $maxwidth = 0
Password:if_delmulti_locked: detaching ifnet instance 0xfffffe0007fe4000
if_delmulti_locked: detaching ifnet instance 0xfffffe0007fe4000
if_delmulti_locked: detaching ifnet instance 0xfffffe0007fe4000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d1e800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d1e800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d1e800

Login incorrect
login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058d20000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d20000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d20000
show proc
Password:
Login incorrect
login: show all locks
Password:
Login incorrect
login: show uma
Password: