SYZFAIL: SIGFPE if_delmulti_locked: detaching ifnet instance 0xfffffe0058579000 FreeBSD/amd64 (ci-freebsd-main-2.us-central1-b.c.syzkaller.internal) (ttyu0) login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058579000 pc-offset:0xffffffff217ce161 pc:0xdeadbeef addr:0x0 code=65537 (errno 9: Bad file descriptor) Connection to 10.128.0.245 closed by remote host. if_delmulti_locked: detaching ifnet instance 0xfffffe0058579000 vnode_pager_putpages: zero-length write at 0 resid 8 0xfffffe006dfab898: type VREG state VSTATE_CONSTRUCTED op 0xffffffff837124c0 usecount 5, writecount 4, refcount 3 seqc users 0 hold count flags () flags (VIRF_PGREAD|VMP_LAZYLIST) v_object 0xfffffe00541229b0 ref 1 pages 1 cleanbuf 1 dirtybuf 0 lock type ufs: EXCL by thread 0xfffffe005414e000 (pid 1121, syz-executor, tid 100527) nlink=1, effnlink=1, size=8, extsize 0 generation=ebb94d03, uid=0, gid=0, flags=0x48409 ino 117, on dev gpt/rootfs if_delmulti_locked: detaching ifnet instance 0xfffffe0058579000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058579000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058579000 FreeBSD/amd64 (ci-freebsd-main-2.us-central1-b.c.syzkaller.internal) (ttyu0) login: pid 808 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped) set $lines = 0 pid 784 (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 743 (getty), jid 0, uid 0: exited on signal 8 (core dumped) Password:pid 334 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped) pid 1124 (syz-executor), jid 0, uid 0: exited on signal 8 (no core dump - too large) pid 1123 (syz-executor), jid 0, uid 0: exited on signal 8 (no core dump - too large) pid 1117 (syz-executor), jid 0, uid 0: exited on signal 8 (no core dump - too large) pid 1123 (syz-executor), tap2: tun/tap protocol violation, non-controlling process closed last. pid 1124 (syz-executor), tap1: tun/tap protocol violation, non-controlling process closed last. ifaddr cache = 0xfffffe0058169600 is deleted if_delmulti_locked: detaching ifnet instance 0xfffffe0058140000 ifaddr cache = 0xfffffe0058169300 is deleted tap2: link state changed to DOWN tap1: link state changed to DOWN pid 1117 (syz-executor), tap0: tun/tap protocol violation, non-controlling process closed last. ifaddr cache = 0xfffffe005816a180 is deleted tap0: link state changed to DOWN if_delmulti_locked: detaching ifnet instance 0xfffffe0058140800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058141000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058140000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058140000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058140800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058140800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058141000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058141000 pid 735 (sh), jid 0, uid 0: exited on signal 8 (core dumped) pid 741 (getty), jid 0, uid 0: exited on signal 8 (core dumped) pid 745 (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 1130 (login), jid 0, uid 0: exited on signal 8 (core dumped) FreeBSD/amd64 (ci-freebsd-main-2.us-central1-b.c.syzkaller.internal) (ttyu0)pid 742 (getty), jid 0, uid 0: exited on signal 8 (core dumped) login: pid 739 (getty), jid 0, uid 0: exited on signal 8 (core dumped) pid 746 (getty), jid 0, uid 0: exited on signal 8 (core dumped) pid 1131 (getty), jid 0, uid 0: exited on signal 8 (core dumped) pid 1132 (getty), jid 0, uid 0: exited on signal 8 (core dumped) pid 1133 (getty), jid 0, uid 0: exited on signal 8 (core dumped) if_delmulti_locked: detaching ifnet instance 0xfffffe0058140800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058140800 if_delmulti_locked: detaching ifnet instance 0xfffffe0058140800 show registers Password:if_delmulti_locked: detaching ifnet instance 0xfffffe0058141000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058141000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058141000 Login incorrect login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058140000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058140000 if_delmulti_locked: detaching ifnet instance 0xfffffe0058140000 ps Password: Login incorrect login: show malloc Password: Login incorrect login: show all tcpcbs/bl Password: