syzbot

SYZFAIL: SIGBUS
pc-offset:0xffffffff217d3361 pc:0xdeadbeef addr:0x0 code=65537 (errno 9: Bad file descriptor)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
Connection to 10.128.1.20 closed by remote host.
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
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 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
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-2.us-central1-b.c.syzkaller.internal) (ttyu0)

login: pid 744 (getty), jid 0, uid 0: exited on signal 10 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
pid 873 (rtsol), jid 0, uid 0: exited on signal 10 (core dumped)
pid 334 (dhclient), jid 0, uid 0: exited on signal 10 (core dumped)
pid 742 (getty), jid 0, uid 0: exited on signal 10 (core dumped)
set $lines = 0
pid 874 (rtsol), jid 0, uid 0: exited on signal 10 (core dumped)
pid 783 (sh), jid 0, uid 0: exited on signal 10 (core dumped)
Password:pid 741 (getty), jid 0, uid 0: exited on signal 10 (core dumped)
pid 743 (getty), jid 0, uid 0: exited on signal 10 (core dumped)
pid 735 (sh), jid 0, uid 0: exited on signal 10 (core dumped)
pid 746 (getty), jid 0, uid 0: exited on signal 10 (core dumped)
pid 770 (sh), jid 0, uid 0: exited on signal 10 (core dumped)
pid 745 (getty), jid 0, uid 0: exited on signal 10 (core dumped)
pid 739 (getty), jid 0, uid 0: exited on signal 10 (core dumped)
pid 740 (getty), jid 0, uid 0: exited on signal 10 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800

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