SYZFAIL: SIGILL pc-offset:0xffffffff217ce161 pc:0xdeadbeef addr:0x0 code=65537 (errno 9: Bad file descriptor) Connection to 10.128.0.245 closed by remote host. FreeBSD/amd64 (ci-freebsd-main-3.us-central1-b.c.syzkaller.internal) (ttyu0) login: if_delmulti_locked: detaching ifnet instance 0xfffffe005814f000 Expensive callout(9) function: 0xffffffff81ab1be0(0xfffffe006e4a4300) 0.005661353 s if_delmulti_locked: detaching ifnet instance 0xfffffe0058150000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058150000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058150000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058580800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058581000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058581000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058581000 pid 1172 (syz-executor), tap1: tun/tap protocol violation, non-controlling process closed last. ifaddr cache = 0xfffffe006deb2d80 is deleted if_delmulti_locked: detaching ifnet instance 0xfffffe005814f800 if_delmulti_locked: detaching ifnet instance 0xfffffe005814f800 tap1: link state changed to DOWN if_delmulti_locked: detaching ifnet instance 0xfffffe005814f800 pid 737 (logger), 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 0xfffffe0058581000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058581000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058581000 pid 685 (cron), jid 0, uid 0: exited on signal 4 (core dumped) pid 747 (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 760 (csh), jid 0, uid 0: exited on signal 4 (core dumped) pid 423 (devd), jid 0, uid 0: exited on signal 4 (core dumped) pid 746 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 334 (dhclient), jid 0, uid 0: exited on signal 4 (core dumped) pid 744 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 742 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 741 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 743 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 740 (getty), jid 0, uid 0: exited on signal 4 (core dumped) pid 745 (getty), jid 0, uid 0: exited on signal 4 (core dumped) if_delmulti_locked: detaching ifnet instance 0xfffffe0058150800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058150000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058150000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058150000 if_delmulti_locked: detaching ifnet instance 0xfffffe005814f800 if_delmulti_locked: detaching ifnet instance 0xfffffe005814f800 if_delmulti_locked: detaching ifnet instance 0xfffffe005814f800 if_delmulti_locked: detaching ifnet instance 0xfffffe005814f000 if_delmulti_locked: detaching ifnet instance 0xfffffe005814f000 if_delmulti_locked: detaching ifnet instance 0xfffffe005814f000