SYZFAIL: SIGSEGV
pc-offset:0xffffffff217cdfe1 pc:0xdeadbeef addr:0x0 code=65537 (errno 9: Bad file descriptor)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058538000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058538000
if_delmulti_locked: detaching ifnet instance 0xfffffe005814b800
if_delmulti_locked: detaching ifnet instance 0xfffffe005814b800
if_delmulti_locked: detaching ifnet instance 0xfffffe005814b800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058538000

FreeBSD/amd64 (ci-freebsd-main-2.us-central1-b.c.syzkaller.internal) (ttyu0)

login: ktrace write failed, errno 27, tracing stopped for pid 495
pid 746 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 746
pid 335 (dhclient), jid 0, uid 0: exited on signal 11 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 335
set $lines = 0
pid 745 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 745
pid 736 (sh), jid 0, uid 0: exited on signal 11 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 736
Password:if_delmulti_locked: detaching ifnet instance 0xfffffe005814b800
pid 743 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 743
pid 828 (dhclient), jid 0, uid 0: exited on signal 11 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 816
ktrace write failed, errno 27, tracing stopped for pid 828
pid 741 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 741
pid 338 (dhclient), jid 0, uid 0: exited on signal 11 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 338
pid 740 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 740
pid 747 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 747
pid 744 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 744

Login incorrect
login: pid 742 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 742
if_delmulti_locked: detaching ifnet instance 0xfffffe0058538000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058538000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058538000
show registers
Password:if_delmulti_locked: detaching ifnet instance 0xfffffe005814b800
if_delmulti_locked: detaching ifnet instance 0xfffffe005814b800
if_delmulti_locked: detaching ifnet instance 0xfffffe005814b800

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