SYZFAIL: SIGILL
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-5.us-central1-b.c.syzkaller.internal) (ttyu0)

login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
pc-offset:0xffffffff217d4ef1 pc:0xdeadbeef addr:0x0 code=65537 (errno 9: Bad file descriptor)

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

login: pid 337 (dhclient), jid 0, uid 0: exited on signal 4 (core dumped)
pid 745 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 888 (rtsol), 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 744 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
Password:pid 781 (sh), jid 0, uid 0: exited on signal 4 (core dumped)
pid 889 (rtsol), jid 0, uid 0: exited on signal 4 (core dumped)
pid 743 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 746 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 739 (sh), jid 0, uid 0: exited on signal 4 (core dumped)
pid 747 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741000
pid 771 (sh), jid 0, uid 0: exited on signal 4 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741000
pid 748 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 749 (getty), jid 0, uid 0: exited on signal 4 (core dumped)

Login incorrect
login: pid 974 (syz-executor), jid 0, uid 0: exited on signal 4 (core dumped)
show registers
Password:if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400

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