syzbot

SYZFAIL: SIGSEGV
if_delmulti_locked: detaching ifnet instance 0xfffffe005859f800
tap3: link state changed to DOWN
ktrace write failed, errno 27, tracing stopped for pid 758
pc-offset:0xffffffff217d34d1 pc:0xdeadbeef addr:0x0 code=65537Connection to 10.128.0.217 closed by remote host.
pid 758 (sshd), jid 0, uid 0: exited on signal 11 (no core dump - sugid process denied by kern.sugid_coredump)
ktrace write failed, errno 27, tracing stopped for pid 681
ktrace write failed, errno 27, tracing stopped for pid 760
pid 876 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 736
pid 736 (sleep), jid 0, uid 0: exited on signal 11 (no core dump - other error)
pid 681 (sshd), jid 0, uid 0: exited on signal 11 (no core dump - sugid process denied by kern.sugid_coredump)
pid 959 (ifconfig), jid 0, uid 0: exited on signal 11 (no core dump - coredumpsize limit is 0)
pid 951 (syz-executor), tap0: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe006de2d900 is deleted
if_delmulti_locked: detaching ifnet instance 0xfffffe00077f5800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077f5800
1970-01-01T00:00:05.962170+00:00 ci-freebsd-mainpid 957 (syz-executor), tap2: tun/tap protocol violation, non-controlling process closed last.
-7.us-central1-b.c.syzkaller.internal init 960 - - fatal signal: Segmentation fault
ifaddr cache = 0xfffffe00596f8d80 is deleted
if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0800
if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0800
if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0800
pid 822 (dhclient), jid 0, uid 0: exited on signal 11 (core dumped)
tap0: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe00077f5800
tap2: link state changed to DOWN
pid 875 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 791 (sh), jid 0, uid 0: exited on signal 11 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0000
if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0000
if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0000
pid 874 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 760 (csh), jid 0, uid 0: exited on signal 11 (core dumped)
pid 873 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe005859f800
if_delmulti_locked: detaching ifnet instance 0xfffffe005859f800
if_delmulti_locked: detaching ifnet instance 0xfffffe005859f800
pid 872 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 871 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 870 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 869 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 868 (getty), jid 0, uid 0: exited on signal 11 (core dumped)

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

login: if_delmulti_locked: detaching ifnet instance 0xfffffe005859f000
if_delmulti_locked: detaching ifnet instance 0xfffffe005859f000
if_delmulti_locked: detaching ifnet instance 0xfffffe005859f000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077f5800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077f5800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077f5800
set $maxwidth = 0
Password:if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0800
if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0800
if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0800

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