SYZFAIL: SIGFPE pc-offset:0xffffffff217d34d1 pc:0xdeadbeef addr:0x0 code=65537 (errno 9: Bad file descriptor) Connection to 10.128.1.209 closed by remote host. FreeBSD/amd64 (ci-freebsd-main-8.us-central1-b.c.syzkaller.internal) (ttyu0) login: if_delmulti_locked: detaching ifnet instance 0xfffffe00077f5800 if_delmulti_locked: detaching ifnet instance 0xfffffe00077f5000 if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0000 if_delmulti_locked: detaching ifnet instance 0xfffffe00077f5800 if_delmulti_locked: detaching ifnet instance 0xfffffe00077f5800 if_delmulti_locked: detaching ifnet instance 0xfffffe00077f5000 if_delmulti_locked: detaching ifnet instance 0xfffffe00077f5000 if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0000 if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0000 FreeBSD/amd64 (ci-freebsd-main-8.us-central1-b.c.syzkaller.internal) (ttyu0) login: if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0800 if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0800 if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0800 Expensive callout(9) function: 0xffffffff81af05a0(0) 0.005834515 s pid 746 (getty), jid 0, uid 0: exited on signal 8 (core dumped) set $lines = 0 pid 812 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped) if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0000 if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0000 if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0000 Password:pid 744 (getty), jid 0, uid 0: exited on signal 8 (core dumped) pid 735 (sh), jid 0, uid 0: exited on signal 8 (core dumped) if_delmulti_locked: detaching ifnet instance 0xfffffe00077f5800 if_delmulti_locked: detaching ifnet instance 0xfffffe00077f5800 if_delmulti_locked: detaching ifnet instance 0xfffffe00077f5800 pid 334 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped) pid 741 (getty), jid 0, uid 0: exited on signal 8 (core dumped) pid 740 (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 745 (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 743 (getty), jid 0, uid 0: exited on signal 8 (core dumped) if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0800 pid 742 (getty), jid 0, uid 0: exited on signal 8 (core dumped) Login incorrect login: show registers Password:if_delmulti_locked: detaching ifnet instance 0xfffffe00077f5000 if_delmulti_locked: detaching ifnet instance 0xfffffe00077f5000 if_delmulti_locked: detaching ifnet instance 0xfffffe00077f5000 if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0800 if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0800 if_delmulti_locked: detaching ifnet instance 0xfffffe00585a0800 Login incorrect login: ps Password: Login incorrect login: show malloc Password: Login incorrect show all tcpcbs/bl