SYZFAIL: SIGFPE
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
pc-offset:0xffffffff217d3361 pc:0xdeadbeef addr:0x0 code=65537Connection to 10.128.1.23 closed by remote host.


FreeBSD/amd64 (ci-freebsd-main-5.us-central1-b.c.syzkaller.internal) (ttyu0)

login: if_delmulti_locked: detaching ifnet instance 0xfffffe0054244400
if_delmulti_locked: detaching ifnet instance 0xfffffe0054244400
if_delmulti_locked: detaching ifnet instance 0xfffffe0054244400
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 0xfffffe0054244800
pid 337 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped)
pid 974 (syz-executor), tap0: tun/tap protocol violation, non-controlling process closed last.
pid 975 (syz-executor), jid 0, uid 0: exited on signal 8 (no core dump - coredumpsize limit is 0)
ifaddr cache = 0xfffffe0058088900 is deleted
tap0: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
pid 995 (ifconfig), jid 0, uid 0: exited on signal 8 (no core dump - coredumpsize limit is 0)
pid 995 (ifconfig), tap4: tun/tap protocol violation, non-controlling process closed last.
tap4: link state changed to DOWN
pid 965 (syz-executor), jid 0, uid 0: exited on signal 8 (no core dump - coredumpsize limit is 0)
pid 965 (syz-executor), tap3: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe006dc94c00 is deleted
if_delmulti_locked: detaching ifnet instance 0xfffffe0054244800
if_delmulti_locked: detaching ifnet instance 0xfffffe0054244800
tap3: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe0054244800
2025-12-22T00:23:09.641808+00:00 ci-freebsd-main-5.us-central1-b.c.syzkaller.internal init 996 - - fatal signal: Floating point exception
2025-12-22T00:23:09.132032+00:00 ci-freebsd-main-5.us-central1-b.c.syzkaller.internal init 993 - - fatal signal: Floating point exception
if_delmulti_locked: detaching ifnet instance 0xfffffe0054244400
if_delmulti_locked: detaching ifnet instance 0xfffffe0054244400
if_delmulti_locked: detaching ifnet instance 0xfffffe0054244400
pid 334 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped)
pid 423 (devd), jid 0, uid 0: exited on signal 8 (core dumped)
pid 989 (sysctl), jid 0, uid 0: exited on signal 8 (core dumped)
pid 991 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 987 (sh), jid 0, uid 0: exited on signal 8 (core dumped)
pid 982 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 983 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
pid 984 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 985 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 981 (getty), jid 0, uid 0: exited on signal 8 (core dumped)

FreeBSD/amd64 (ci-freebsd-main-5.us-central1-b.c.syzkaller.internal) (ttyu0)

login: ps
Password:if_delmulti_locked: detaching ifnet instance 0xfffffe0054244800
if_delmulti_locked: detaching ifnet instance 0xfffffe0054244800
if_delmulti_locked: detaching ifnet instance 0xfffffe0054244800

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