SYZFAIL: SIGILL
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 0xfffffe0007fe2800
if_delmulti_locked: detaching ifnet instance 0xfffffe0007fe2800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d20800
if_delmulti_locked: detaching ifnet instance 0xfffffe0007fe2800
Connection to 10.128.0.13 closed by remote host.
if_delmulti_locked: detaching ifnet instance 0xfffffe0007fe3000
if_delmulti_locked: detaching ifnet instance 0xfffffe0007fe3000
if_delmulti_locked: detaching ifnet instance 0xfffffe0007fe3000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d20800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d20800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d20800

FreeBSD/amd64 (ci-freebsd-main-0.us-central1-b.c.syzkaller.internal) (ttyu0)

login: pid 761 (csh), jid 0, uid 0: exited on signal 4 (core dumped)
pid 821 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 781 (sh), jid 0, uid 0: exited on signal 4 (core dumped)
pid 823 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
set $lines = 0
Password:pid 820 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
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 0xfffffe0058d20800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d20800
pid 736 (sh), jid 0, uid 0: exited on signal 4 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d20800
pid 825 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 822 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 824 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 1036 (getty), jid 0, uid 0: exited on signal 4 (core dumped)

Login incorrect
login: if_delmulti_locked: detaching ifnet instance 0xfffffe0007fe3000
if_delmulti_locked: detaching ifnet instance 0xfffffe0007fe3000
if_delmulti_locked: detaching ifnet instance 0xfffffe0007fe3000
show registers
Password:
Login incorrect
login: ps
Password:
Login incorrect
login: show malloc
Password:
Login incorrect