SYZFAIL: SIGILL
pc-offset:0xffffffff217d4ef1 pc:0xdeadbeef addr:0x0 code=65537 (errno 9: Bad file descriptor)
Connection to 10.128.0.71 closed by remote host.
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400


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

login: if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3800
pid 760 (csh), jid 0, uid 0: exited on signal 4 (core dumped)
pid 740 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 788 (sh), jid 0, uid 0: exited on signal 4 (core dumped)
pid 745 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 337 (dhclient), jid 0, uid 0: exited on signal 4 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
pid 743 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 735 (sh), jid 0, uid 0: exited on signal 4 (core dumped)
pid 334 (dhclient), jid 0, uid 0: exited on signal 4 (core dumped)
pid 741 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 744 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 828 (dhclient), jid 0, uid 0: exited on signal 4 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
pid 747 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 739 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
pid 742 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3800