syzbot


SYZFAIL: SIGFPE (2)

Status: auto-obsoleted due to no activity on 2026/03/16 14:10
Reported-by: syzbot+e7d4f1d9b86a4c931669@syzkaller.appspotmail.com
First crash: 391d, last: 57d
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd SYZFAIL: SIGFPE -1 19 557d 597d 0/2 auto-obsoleted due to no activity on 2024/11/01 11:51

Sample crash report:
SYZFAIL: SIGFPE
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
Connection to 10.128.1.76 closed by remote host.


FreeBSD/amd64 (ci-freebsd-main-7.us-central1-b.c.syzkaller.internal) (ttyu0)

login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058741000

FreeBSD/amd64 (ci-freebsd-main-7.us-central1-b.c.syzkaller.internal) (ttyu0)

login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2c00
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2c00
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2c00
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 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
pid 423 (devd), jid 0, uid 0: exited on signal 8 (core dumped)
pid 823 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped)
pid 741 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
pid 760 (csh), jid 0, uid 0: exited on signal 8 (core dumped)
pid 334 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped)
pid 739 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 788 (sh), 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 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
pid 337 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped)
pid 735 (sh), jid 0, uid 0: exited on signal 8 (core dumped)
pid 740 (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 811 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped)
pid 744 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 852 (getty), jid 0, uid 0: exited on signal 8 (core dumped)

FreeBSD/amd64 (ci-freebsd-main-7.us-central1-b.c.syzkaller.internal) (ttyu0)pid 846 (getty), jid 0, uid 0: exited on signal 8 (core dumped)


login: show registers
Password:if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2c00
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2c00
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2c00

Login incorrect
login: ps
Password:
Login incorrect
login: show malloc
Password:
Login incorrect
login: show all tcpcbs/bl
Password:

Crashes (975):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/25 14:09 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/25 09:38 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/25 05:02 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/24 23:49 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/24 21:18 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/24 11:13 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/24 09:50 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/23 23:10 freebsd-src a3394b6a23fb 4f25b9b4 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/23 20:41 freebsd-src a3394b6a23fb 319d7797 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/23 18:19 freebsd-src a3394b6a23fb 319d7797 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/23 12:25 freebsd-src a3394b6a23fb 319d7797 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/23 09:24 freebsd-src a3394b6a23fb 319d7797 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/23 00:41 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/22 22:02 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/22 18:33 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/22 17:23 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/22 12:39 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/22 10:22 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/22 05:33 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/22 03:36 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/22 02:17 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/21 21:35 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/21 19:53 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/21 16:39 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/21 11:09 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/21 10:23 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/21 06:29 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/21 04:24 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/21 02:22 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/21 00:18 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/20 20:29 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/20 18:09 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/20 07:41 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/20 04:58 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/20 03:18 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/19 23:04 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/19 19:02 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/19 17:23 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/19 09:30 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/19 08:10 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/19 07:38 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/19 03:45 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/19 01:18 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/18 22:20 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/18 20:40 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGFPE
2026/01/18 19:33 freebsd-src a3394b6a23fb 56f88057 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.