SYZFAIL: SIGILL
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
Connection to 10.128.1.70 closed by remote host.
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800

FreeBSD/amd64 (ci-freebsd-main-3.us-central1-b.c.syzkaller.internal) (ttyu0)

login: pid 746 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 760 (csh), jid 0, uid 0: exited on signal 4 (core dumped)
pid 337 (dhclient), jid 0, uid 0: exited on signal 4 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741000
pid 745 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 334 (dhclient), jid 0, uid 0: exited on signal 4 (core dumped)
set $lines = 0
pid 742 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
Password:pid 743 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
pid 741 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 740 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 739 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 744 (getty), jid 0, uid 0: exited on signal 4 (core dumped)

Login incorrect
login: if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
show registers
Password:if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800

Login incorrect
login: ps
Password:
Login incorrect
login: show malloc
Password:
Login incorrect
show all tcpcbs/bl