syzbot

SYZFAIL: SIGFPE
pc-offset:0xffffffff217d34d1 pc:0xdeadbeef addr:0x0 code=65537 (errno 35: Resource temporarily unavailable)
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d6800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d6800
pid 763 (syz-executor), jid 0, uid 0: exited on signal 8 (no core dump - coredumpsize limit is 0)
Connection to 10.128.1.116 closed by remote host.
pid 758 (sshd), jid 0, uid 0: exited on signal 8 (no core dump - sugid process denied by kern.sugid_coredump)
pid 736 (sleep), jid 0, uid 0: exited on signal 8 (no core dump - other error)
pid 681 (sshd), jid 0, uid 0: exited on signal 8 (no core dump - sugid process denied by kern.sugid_coredump)
pid 974 (syz-executor), jid 0, uid 0: exited on signal 8 (no core dump - coredumpsize limit is 0)
pid 974 (syz-executor), tap0: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe006e58ac00 is deleted
tap0: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe0058540800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058540800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058540800
pid 970 (syz-executor), tap2: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe00595eb480 is deleted
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d7000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d7000
tap2: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d7000
pid 760 (csh), jid 0, uid 0: exited on signal 8 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d7000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d7000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d7000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058540800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058540800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058540800
if_delmulti_locked: detaching ifnet instance 0xfffffe005853f000
if_delmulti_locked: detaching ifnet instance 0xfffffe005853f000
if_delmulti_locked: detaching ifnet instance 0xfffffe005853f000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d6800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d6800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d6800