syzbot


SYZFAIL: SIGFPE (2)

Status: upstream: reported on 2025/02/25 13:34
Reported-by: syzbot+e7d4f1d9b86a4c931669@syzkaller.appspotmail.com
First crash: 151d, last: 11h39m
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd SYZFAIL: SIGFPE -1 19 317d 357d 0/2 auto-obsoleted due to no activity on 2024/11/01 11:51

Sample crash report:
SYZFAIL: SIGFPE
Connection to 10.128.0.68 closed by remote host.
if_delmulti_locked: detaching ifnet instance 0xfffffe006e4be800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e4be800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e4be800

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

login: if_delmulti_locked: detaching ifnet instance 0xfffffe006e4bd800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e4bd800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e4bd800
pid 745 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 937 (syz-executor), jid 0, uid 0: exited on signal 8 (no core dump - too large)
pid 935 (syz-executor), jid 0, uid 0: exited on signal 8 (no core dump - too large)
pid 935 (syz-executor), tap1: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe0057e02180 is deleted
if_delmulti_locked: detaching ifnet instance 0xfffffe00083d6800
pid 937 (syz-executor), tap2: tun/tap protocol violation, non-controlling process closed last.
tap1: link state changed to DOWN
ifaddr cache = 0xfffffe005940fa80 is deleted
tap2: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe0058588800
if_delmulti_locked: detaching ifnet instance 0xfffffe00083d6800
if_delmulti_locked: detaching ifnet instance 0xfffffe00083d6800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058588800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058588800
pid 760 (csh), jid 0, uid 0: exited on signal 8 (core dumped)
pid 737 (logger), jid 0, uid 0: exited on signal 8 (core dumped)
pid 746 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 872 (rtsol), jid 0, uid 0: exited on signal 8 (core dumped)
pid 780 (sh), jid 0, uid 0: exited on signal 8 (core dumped)
pid 742 (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 743 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 870 (rtsol), jid 0, uid 0: exited on signal 8 (core dumped)
pid 739 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 334 (dhclient), jid 0, uid 0: exited on signal 8 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe00083d6800
if_delmulti_locked: detaching ifnet instance 0xfffffe00083d6800
if_delmulti_locked: detaching ifnet instance 0xfffffe00083d6800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058588800
pid 770 (sh), jid 0, uid 0: exited on signal 8 (core dumped)
pid 871 (rtsol), jid 0, uid 0: exited on signal 8 (core dumped)
pid 741 (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 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 942 (getty), jid 0, uid 0: exited on signal 8 (core dumped)
pid 941 (getty), jid 0, uid 0: exited on signal 8 (core dumped)

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

login: if_delmulti_locked: detaching ifnet instance 0xfffffe006e4be800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e4be800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e4be800
set $maxwidth = 0
Password:if_delmulti_locked: detaching ifnet instance 0xfffffe006e4bd800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e4bd800
if_delmulti_locked: detaching ifnet instance 0xfffffe006e4bd800

Login incorrect
login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058588800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058588800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058588800
show proc
Password:
Login incorrect
login: show all locks
Password:
Login incorrect
login: show uma
Password:
Login incorrect

Crashes (288):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/26 23:59 freebsd-src 23401aeb15ce 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/26 21:10 freebsd-src 23401aeb15ce 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/26 15:48 freebsd-src 23401aeb15ce 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/26 10:26 freebsd-src fd186cd16eaf 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/26 09:08 freebsd-src fd186cd16eaf 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/26 07:52 freebsd-src fd186cd16eaf 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/26 06:25 freebsd-src fd186cd16eaf 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/25 15:57 freebsd-src fdefa79abef2 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/25 05:51 freebsd-src 110111a6cca1 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/24 04:36 freebsd-src 863dc799f743 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/24 01:53 freebsd-src 863dc799f743 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/23 13:55 freebsd-src 15925062e1ba 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/23 08:00 freebsd-src 15925062e1ba 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/22 03:09 freebsd-src cc413e2c04f0 1555463b console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/21 20:13 freebsd-src 5df4eb5fd7f2 56d87229 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/21 05:23 freebsd-src 76e911dba504 7117feec console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/20 15:03 freebsd-src 71901e4915a9 7117feec console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/20 05:38 freebsd-src 71901e4915a9 7117feec console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/19 22:15 freebsd-src 4be9c6f38e78 7117feec console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/19 16:48 freebsd-src 4be9c6f38e78 7117feec console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/19 12:27 freebsd-src 0bf113e9041f 7117feec console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/19 11:16 freebsd-src 0bf113e9041f 7117feec console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/19 08:26 freebsd-src 0bf113e9041f 7117feec console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/18 17:15 freebsd-src a86b5a2cba3c f550e092 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/18 13:03 freebsd-src a86b5a2cba3c f550e092 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/18 03:30 freebsd-src c4fe5431bddc 88248e14 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/18 01:14 freebsd-src c4fe5431bddc 88248e14 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/17 03:07 freebsd-src 55f80afa17e8 44f8051e console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/16 18:24 freebsd-src b2bf651a797b c118d736 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/15 17:17 freebsd-src 9e8c1f9576e7 d8fc7335 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/15 06:52 freebsd-src b87aa791533f d8fc7335 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/14 23:43 freebsd-src b87aa791533f d8fc7335 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/14 18:36 freebsd-src b87aa791533f d8fc7335 console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/14 00:29 freebsd-src 8efa35fea384 3cda49cf console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/13 11:12 freebsd-src bf4d2a45b991 3cda49cf console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/13 08:38 freebsd-src bf4d2a45b991 3cda49cf console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/13 04:35 freebsd-src 16a9f31b8aae 3cda49cf console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/13 01:02 freebsd-src 16a9f31b8aae 3cda49cf console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/12 21:06 freebsd-src 16a9f31b8aae 3cda49cf console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/12 19:57 freebsd-src 16a9f31b8aae 3cda49cf console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/12 12:57 freebsd-src cca6a72d7f71 3cda49cf console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/12 06:01 freebsd-src cca6a72d7f71 3cda49cf console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/11 21:32 freebsd-src 99d5cf25d7b8 3cda49cf console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/11 13:55 freebsd-src 99d5cf25d7b8 3cda49cf console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/11 05:20 freebsd-src e8019a159185 3cda49cf console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/10 19:22 freebsd-src 78935fa40eee d7384b6d console log report ci-freebsd-main SYZFAIL: SIGFPE
2025/07/10 13:32 freebsd-src 78935fa40eee d7384b6d 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.