SYZFAIL: SIGILL
pc-offset:0xffffffff217ce161 pc:0xdeadbeef addr:0x0 code=65537 (errno 9: Bad file descriptor)
Connection to 10.128.1.37 closed by remote host.
if_delmulti_locked: detaching ifnet instance 0xfffffe0058578800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058578800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058578800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058577800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058578000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058577800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058577800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058578000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058578000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058140800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058140800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058140800

FreeBSD/amd64 (ci-freebsd-main-9.us-central1-b.c.syzkaller.internal) (ttyu0)

login: pid 423 (devd), jid 0, uid 0: exited on signal 4 (core dumped)
pid 745 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 740 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 337 (dhclient), jid 0, uid 0: exited on signal 4 (core dumped)
set $lines = 0
pid 735 (sh), jid 0, uid 0: exited on signal 4 (core dumped)
pid 742 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
Password:pid 814 (dhclient), jid 0, uid 0: exited on signal 4 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058140800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058140800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058140800
pid 739 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 334 (dhclient), jid 0, uid 0: exited on signal 4 (core dumped)
pid 746 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058577800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058577800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058577800
pid 741 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 743 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 744 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058578000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058578000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058578000

Login incorrect
login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058578800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058578800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058578800
show registers
Password:
Login incorrect
login: ps
Password:
Login incorrect
login: show malloc
Password:
Login incorrect
show all tcpcbs/bl