SYZFAIL: SIGFPE pc-offset:0xffffffff217d1931 pc:0xdeadbeef addr:0x0 code=65537 (errno 9: Bad file descriptor) Connection to 10.128.0.33 closed by remote host. if_delmulti_locked: detaching ifnet instance 0xfffffe0007a45800 if_delmulti_locked: detaching ifnet instance 0xfffffe0007a45800 if_delmulti_locked: detaching ifnet instance 0xfffffe0007a45800 if_delmulti_locked: detaching ifnet instance 0xfffffe0007a46000 if_delmulti_locked: detaching ifnet instance 0xfffffe0007a46000 if_delmulti_locked: detaching ifnet instance 0xfffffe0007a46000 FreeBSD/amd64 (ci-freebsd-main-6.us-central1-b.c.syzkaller.internal) (ttyu0) login: pid 944 (syz-executor), tap2: tun/tap protocol violation, non-controlling process closed last. pid 745 (getty), jid 0, uid 0: exited on signal 8 (core dumped) ifaddr cache = 0xfffffe006e4c0000 is deleted if_delmulti_locked: detaching ifnet instance 0xfffffe0007a45000 if_delmulti_locked: detaching ifnet instance 0xfffffe0007a45000 if_delmulti_locked: detaching ifnet instance 0xfffffe0007a45000 tap2: link state changed to DOWN pid 956 (syz-executor), tap3: tun/tap protocol violation, non-controlling process closed last. ifaddr cache = 0xfffffe006b6a0300 is deleted tap3: link state changed to DOWN if_delmulti_locked: detaching ifnet instance 0xfffffe0058575000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058575000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058575000 pid 793 (sh), jid 0, uid 0: exited on signal 8 (core dumped) pid 744 (getty), jid 0, uid 0: exited on signal 8 (core dumped) pid 826 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped) set $lines = 0 pid 741 (getty), jid 0, uid 0: exited on signal 8 (core dumped) pid 735 (sh), jid 0, uid 0: exited on signal 8 (core dumped) Password:pid 740 (getty), jid 0, uid 0: exited on signal 8 (core dumped) pid 742 (getty), jid 0, uid 0: exited on signal 8 (core dumped) if_delmulti_locked: detaching ifnet instance 0xfffffe0058575000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058575000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058575000 pid 743 (getty), jid 0, uid 0: exited on signal 8 (core dumped) if_delmulti_locked: detaching ifnet instance 0xfffffe0007a45800 if_delmulti_locked: detaching ifnet instance 0xfffffe0007a45800 if_delmulti_locked: detaching ifnet instance 0xfffffe0007a45800 if_delmulti_locked: detaching ifnet instance 0xfffffe0007a45000 if_delmulti_locked: detaching ifnet instance 0xfffffe0007a45000 pid 739 (getty), jid 0, uid 0: exited on signal 8 (core dumped) if_delmulti_locked: detaching ifnet instance 0xfffffe0007a45000 pid 746 (getty), jid 0, uid 0: exited on signal 8 (core dumped) Login incorrect login: if_delmulti_locked: detaching ifnet instance 0xfffffe0007a46000 if_delmulti_locked: detaching ifnet instance 0xfffffe0007a46000 if_delmulti_locked: detaching ifnet instance 0xfffffe0007a46000 show registers Password: Login incorrect login: ps Password: Login incorrect login: show malloc Password: Login incorrect show all tcpcbs/bl