SYZFAIL: SIGFPE
pc-offset:0xffffffff217d34d1 pc:0xdeadbeef addr:0x0 code=65537 (errno 9: Bad file descriptor)
Connection to 10.128.0.9 closed by remote host.


FreeBSD/amd64 (ci-freebsd-main-8.us-central1-b.c.syzkaller.internal) (ttyu0)

login: if_delmulti_locked: detaching ifnet instance 0xfffffe00585aa800
if_delmulti_locked: detaching ifnet instance 0xfffffe00585aa800
if_delmulti_locked: detaching ifnet instance 0xfffffe00585aa800
pid 741 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 423 (devd), jid 0, uid 0: exited on signal 8 (core dumped)
pid 1036 (syz-executor), jid 0, uid 0: exited on signal 8 (no core dump - coredumpsize limit is 0)
pid 1036 (syz-executor), tap3: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe006e8bc900 is deleted
tap3: link state changed to DOWN
pid 1039 (syz-executor), jid 0, uid 0: exited on signal 8 (no core dump - coredumpsize limit is 0)
if_delmulti_locked: detaching ifnet instance 0xfffffe00585aa000
pid 1049 (ifconfig), jid 0, uid 0: exited on signal 8 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe00585aa000
if_delmulti_locked: detaching ifnet instance 0xfffffe00585aa000
pid 1039 (syz-executor), tap0: tun/tap protocol violation, non-controlling process closed last.
ktrace write failed, errno 27, tracing stopped for pid 1036
ifaddr cache = 0xfffffe006e018a80 is deleted
tap0: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe00077f6800
2025-10-20T19:30if_delmulti_locked: detaching ifnet instance 0xfffffe00077f6800
if_delmulti_locked: detaching ifnet instance 0xfffffe0007:16.893931+00:007f6800
if_delmulti_locked: detaching ifnet instance 0xfffffe00585aa800
 ci-freebsd-main-8.us-central1-bktrace write failed, errno 27, tracing stopped for pid 1030
.c.syzkaller.internal init 1051 - - fatal signal: Floating point exception
pid 1030 (syz-executor), jid 0, uid 0: exited on signal 8 (no core dump - coredumpsize limit is 0)
pid 1030 (syz-executor), tap2: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe006e8bcc00 is deleted
tap2: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe00077f6000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077f6000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077f6000
pid 746 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 337 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped)
pid 740 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe00585aa800
if_delmulti_locked: detaching ifnet instance 0xfffffe00585aa800
if_delmulti_locked: detaching ifnet instance 0xfffffe00585aa800
pid 1044 (sh), jid 0, uid 0: exited on signal 8 (core dumped)
pid 334 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped)
pid 743 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe00077f6800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077f6800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077f6800
pid 742 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 739 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 744 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 1050 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe00585aa000
if_delmulti_locked: detaching ifnet instance 0xfffffe00585aa000
if_delmulti_locked: detaching ifnet instance 0xfffffe00585aa000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077f6000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077f6000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077f6000