SYZFAIL: SIGSEGV
Connection to 10.128.1.175 closed by remote host.
if_delmulti_locked: detaching ifnet instance 0xfffffe005856a000
if_delmulti_locked: detaching ifnet instance 0xfffffe005856a000
if_delmulti_locked: detaching ifnet instance 0xfffffe005856a000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058568800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058568800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058568800

FreeBSD/amd64 (ci-freebsd-main-1.us-central1-b.c.syzkaller.internal) (ttyu0)

login: set $linespid 338 (dhclient), jid 0, uid 0: exited on signal 11 (core dumped)
 = 0
pid 946 (syz-executor), tap2: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe0059b2b180 is deleted
if_delmulti_locked: detaching ifnet instance 0xfffffe0058569800
tap2: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe0058569800
Expensive callout(9) function: 0xffffffff81a9e0b0(0) 0.008457213 s
if_delmulti_locked: detaching ifnet instance 0xfffffe0058569800
Password:pid 883 (rtsol), jid 0, uid 0: exited on signal 11 (core dumped)
pid 742 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 335 (dhclient), jid 0, uid 0: exited on signal 11 (core dumped)
pid 746 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 783 (sh), jid 0, uid 0: exited on signal 11 (core dumped)
pid 885 (rtsol), jid 0, uid 0: exited on signal 11 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058568800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058568800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058568800
pid 743 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 736 (sh), jid 0, uid 0: exited on signal 11 (core dumped)
pid 745 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 740 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 770 (sh), jid 0, uid 0: exited on signal 11 (core dumped)
pid 744 (getty), jid 0, uid 0: exited on signal 11 (core dumped)

Login incorrect
login: pid 741 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 953 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
show registers
Password:if_delmulti_locked: detaching ifnet instance 0xfffffe005856a000
if_delmulti_locked: detaching ifnet instance 0xfffffe005856a000
if_delmulti_locked: detaching ifnet instance 0xfffffe005856a000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058569800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058569800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058569800

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