SYZFAIL: SIGILL
pid 764 (syz-executor), jid 0, uid 0: exited on signal 4 (no core dump - too large)
ifaddr cache = 0xfffffe00595dbc00 is deleted
if_delmulti_locked: detaching ifnet instance 0xfffffe0058328800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058328800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058328800
tap0: link state changed to DOWN
Connection to 10.128.10.7 closed by remote host.
pid 759 (sshd), jid 0, uid 0: exited on signal 4 (no core dump - bad address)
pid 737 (sleep), jid 0, uid 0: exited on signal 4 (no core dump - other error)
pid 2238 (syz-executor), jid 0, uid 0: exited on signal 4 (no core dump - too large)
pid 2237 (sh), jid 0, uid 0: exited on signal 4 (no core dump - too large)
tap2: link state changed to UP
pid 2232 (syz-executor), jid 0, uid 0: exited on signal 4 (no core dump - too large)
pid 2239 (sh), jid 0, uid 0: exited on signal 4 (no core dump - too large)
pid 2225 (syz-executor), tap3: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe00595db600 is deleted
tap3: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe0058755000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058755000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058755000
pid 2239 (sh), tap2: tun/tap protocol violation, non-controlling process closed last.
tap2: link state changed to DOWN
pid 1047 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058327000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058327000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058327000
pid 781 (sh), jid 0, uid 0: exited on signal 4 (core dumped)
pid 1046 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 2236 (syz-executor), jid 0, uid 0: exited on signal 4 (core dumped)
pid 1045 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 761 (csh), jid 0, uid 0: exited on signal 4 (core dumped)
pid 771 (sh), jid 0, uid 0: exited on signal 4 (core dumped)
pid 1044 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 1043 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 1042 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058755000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058755000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058755000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058754000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058754000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058754000
pid 1041 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 1040 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 1039 (getty), jid 0, uid 0: exited on signal 4 (core dumped)

FreeBSD/amd64 (ci-freebsd-main-7.us-central1-b.c.syzkaller.internal) (ttyu0)

login: set $maxwidth = 0
Password:if_delmulti_locked: detaching ifnet instance 0xfffffe0058328800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058328800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058328800

Login incorrect
login: show proc
Password:
Login incorrect
login: show all locks
Password:
Login incorrect
login: show uma
Password: