syzbot


SYZFAIL: SIGFPE (2)

Status: upstream: reported on 2025/02/25 13:34
Reported-by: syzbot+e7d4f1d9b86a4c931669@syzkaller.appspotmail.com
First crash: 109d, last: 2h05m
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd SYZFAIL: SIGFPE 19 275d 315d 0/2 auto-obsoleted due to no activity on 2024/11/01 11:51

Sample crash report:
SYZFAIL: SIGFPE
Connection to 10.128.0.162 closed by remote host.


FreeBSD/amd64 (ci-freebsd-main-3.us-central1-b.c.syzkaller.internal) (ttyu0)

login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058133800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058133800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058133800

FreeBSD/amd64 (ci-freebsd-main-3.us-central1-b.c.syzkaller.internal) (ttyu0)

login: pid 338 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped)
pid 883 (rtsol), jid 0, uid 0: exited on signal 8 (core dumped)
pid 424 (devd), jid 0, uid 0: exited on signal 8 (core dumped)
set $lines = 0
pid 742 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 1022 (syz-executor), jid 0, uid 0: exited on signal 8 (no core dump - too large)
pid 1022 (syz-executor), tap1: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe006b711000 is deleted
pid 1029 (syz-executor), jid 0, uid 0: exited on signal 8 (no core dump - too large)
if_delmulti_locked: detaching ifnet instance 0xfffffe005856a000
if_delmulti_locked: detaching ifnet instance 0xfffffe005856a000
tap1: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe005856a000
pid 786 (sh), jid 0, uid 0: exited on signal 8 (core dumped)
pid 1029 (syz-executor), tap0: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe006b711300 is deleted
tap0: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe0058134000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058134000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058134000
pid 1019 (syz-executor), tap3: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe006b710a80 is deleted
tap3: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe0058569800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058569800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058569800
pid 335 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped)
pid 882 (rtsol), jid 0, uid 0: exited on signal 8 (core dumped)
pid 747 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 744 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 881 (rtsol), jid 0, uid 0: exited on signal 8 (core dumped)
pid 1030 (login), jid 0, uid 0: exited on signal 8 (core dumped)
pid 773 (sh), jid 0, uid 0: exited on signal 8 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe005856a000
if_delmulti_locked: detaching ifnet instance 0xfffffe005856a000
if_delmulti_locked: detaching ifnet instance 0xfffffe005856a000
pid 743 (getty), jid 0, uid 0: exited on signal 8 (core dumped)

FreeBSD/amd64 (ci-freebsd-main-3.us-central1-b.c.syzkaller.internal) (ttyu0)

login: pid 746 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058134000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058134000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058134000
set $maxwidth = 0
pid 736 (sh), jid 0, uid 0: exited on signal 8 (core dumped)
Password:pid 745 (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 1031 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 1032 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058133800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058133800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058133800

Login incorrect
login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058569800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058569800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058569800
show proc
Password:
Login incorrect
login: show all locks
Password:
Login incorrect
login: show uma
Password:
Login incorrect

Crashes (182):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/06/15 03:53 freebsd-src 8b399d613f54 5f4b362d console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/15 02:35 freebsd-src 8b399d613f54 5f4b362d console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/14 22:58 freebsd-src 8b399d613f54 5f4b362d console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/14 21:26 freebsd-src 8b399d613f54 5f4b362d console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/14 16:59 freebsd-src 8b399d613f54 5f4b362d console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/14 06:24 freebsd-src c82662dc7123 0e8da31f console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/13 21:28 freebsd-src c43d6dadf7e3 1f72c409 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/13 18:46 freebsd-src c43d6dadf7e3 1f72c409 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/13 10:40 freebsd-src deeda8abd5e8 98683f8f console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/12 23:52 freebsd-src deeda8abd5e8 98683f8f console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/12 01:09 freebsd-src d41a2ba73cbe 98683f8f console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/11 21:28 freebsd-src d41a2ba73cbe 98683f8f console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/11 05:50 freebsd-src 79005ea537d2 5d7e17ca console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/10 23:35 freebsd-src 09545628f0cd 5d7e17ca console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/09 19:12 freebsd-src 1fee99800a79 4826c28e console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/09 05:00 freebsd-src 99ec65e7fe61 4826c28e console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/08 23:52 freebsd-src 99ec65e7fe61 4826c28e console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/08 19:18 freebsd-src 99ec65e7fe61 4826c28e console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/08 16:18 freebsd-src 2a5841795fb7 4826c28e console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/08 10:58 freebsd-src 2a5841795fb7 4826c28e console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/08 10:23 freebsd-src 2a5841795fb7 4826c28e console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/07 21:35 freebsd-src 2a5841795fb7 4826c28e console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/07 19:09 freebsd-src 2a5841795fb7 4826c28e console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/07 15:31 freebsd-src 2a5841795fb7 4826c28e console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/07 12:59 freebsd-src 2a5841795fb7 4826c28e console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/07 04:34 freebsd-src 6e7a6a66b239 4826c28e console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/07 00:41 freebsd-src 6e7a6a66b239 4826c28e console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/05 19:41 freebsd-src 38c655093c6b 6b6b5f21 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/04 19:55 freebsd-src a5fe142e0844 e565f08d console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/04 13:54 freebsd-src a5fe142e0844 e565f08d console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/04 12:25 freebsd-src a5fe142e0844 e565f08d console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/04 07:33 freebsd-src 71f854e5a01a a30356b7 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/04 00:50 freebsd-src 2a35b00732d9 a30356b7 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/03 14:18 freebsd-src 2a35b00732d9 a30356b7 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/03 07:41 freebsd-src d8773fdcbfa3 a30356b7 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/02 19:57 freebsd-src 2e113ef82465 aaaaf5ea console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/01 17:08 freebsd-src 9de72af2cceb 3d2f584d console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/01 11:51 freebsd-src 970a71e1ef9a 3d2f584d console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/06/01 03:31 freebsd-src 970a71e1ef9a 3d2f584d console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/05/31 21:50 freebsd-src e86d9dd6cee1 3d2f584d console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/05/31 05:41 freebsd-src f2a193a967e3 3d2f584d console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/05/30 13:02 freebsd-src 955ab1a8f21e 3d2f584d console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/02/25 13:33 freebsd-src b3de60980210 d34966d1 console log report ci-freebsd-main SYZFAIL: SIGFPE
* Struck through repros no longer work on HEAD.