syzbot

SYZFAIL: SIGILL
if_delmulti_locked: detaching ifnet instance 0xfffffe0058726800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058726800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058726800
Connection to 10.128.1.61 closed by remote host.
if_delmulti_locked: detaching ifnet instance 0xfffffe006e523800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e523800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e523800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e522800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e523000
if_delmulti_locked: detaching ifnet instance 0xfffffe006e523000
if_delmulti_locked: detaching ifnet instance 0xfffffe006e523000
if_delmulti_locked: detaching ifnet instance 0xfffffe006e522800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e522800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e523000

FreeBSD/amd64 (ci-freebsd-main-5.us-central1-b.c.syzkaller.internal) (ttyu0)

login: if_delmulti_locked: detaching ifnet instance 0xfffffe006e523000
if_delmulti_locked: detaching ifnet instance 0xfffffe006e523000
pid 424 (devd), jid 0, uid 0: exited on signal 4 (core dumped)
pid 746 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 338 (dhclient), jid 0, uid 0: exited on signal 4 (core dumped)
pid 742 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
set $lines = 0
pid 744 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 740 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
Password:pid 745 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 743 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 741 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058726800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058726800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058726800

Login incorrect
login: if_delmulti_locked: detaching ifnet instance 0xfffffe006e523800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e523800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e523800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e522800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e522800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e522800
show registers
Password:
Login incorrect
login: ps
Password:
Login incorrect
login: show malloc
Password:
Login incorrect