syzbot

SYZFAIL: SIGSEGV
pc-offset:0xffffffff217d4ef1 pc:0xdeadbeef addr:0x0 code=65537 (errno 9: Bad file descriptor)
Connection to 10.128.1.100 closed by remote host.
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2c00
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2c00
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2c00
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
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 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400

FreeBSD/amd64 (ci-freebsd-main-6.us-central1-b.c.syzkaller.internal) (ttyu0)

login: pid 760 (csh), jid 0, uid 0: exited on signal 11 (core dumped)
pid 746 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 337 (dhclient), jid 0, uid 0: exited on signal 11 (core dumped)
pid 875 (rtsol), jid 0, uid 0: exited on signal 11 (core dumped)
pid 744 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 778 (sh), jid 0, uid 0: exited on signal 11 (core dumped)
set $lines = 0
pid 742 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 873 (rtsol), jid 0, uid 0: exited on signal 11 (core dumped)
Password:pid 740 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2c00
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2c00
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2c00
pid 735 (sh), jid 0, uid 0: exited on signal 11 (core dumped)
pid 874 (rtsol), jid 0, uid 0: exited on signal 11 (core dumped)
pid 741 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 769 (sh), jid 0, uid 0: exited on signal 11 (core dumped)
pid 739 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 745 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 743 (getty), jid 0, uid 0: exited on signal 11 (core dumped)

Login incorrect
login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
show registers
Password:
Login incorrect
login: ps
Password:
Login incorrect
login: show malloc
Password:
Login incorrect
show all tcpcbs/bl
login: Password: