syzbot


SYZFAIL: SIGILL (2)

Status: upstream: reported on 2025/02/27 20:45
Reported-by: syzbot+61a027aef5302fd88780@syzkaller.appspotmail.com
First crash: 333d, last: 1d12h
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd SYZFAIL: SIGILL -1 101 434d 553d 0/2 auto-obsoleted due to no activity on 2025/01/08 00:48

Sample crash report:
SYZFAIL: SIGILL
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
Connection to 10.128.0.147 closed by remote host.
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 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400

FreeBSD/amd64 (ci-freebsd-main-9.us-central1-b.c.syzkaller.internal) (ttyu0)

login: pid 423 (devd), jid 0, uid 0: exited on signal 4 (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 4 (core dumped)
pid 742 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2c00
Expensive callout(9) function: 0xffffffff81afc400(0) 0.006042435 s
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2800
pid 1256 (sh), jid 0, uid 0: exited on signal 4 (core dumped)
pid 334 (dhclient), jid 0, uid 0: exited on signal 4 (core dumped)
pid 746 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
set $lines = 0
pid 743 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 735 (sh), jid 0, uid 0: exited on signal 4 (core dumped)
Password:pid 1269 (dhclient), jid 0, uid 0: exited on signal 4 (core dumped)
pid 740 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 741 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 739 (getty), jid 0, uid 0: exited on signal 4 (core dumped)
pid 745 (getty), jid 0, uid 0: exited on signal 4 (core dumped)

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

Crashes (1137):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/25 17:32 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/25 15:43 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/25 14:16 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/25 12:47 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/25 10:20 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/25 06:16 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/25 04:43 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/25 00:29 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/24 23:29 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/24 19:51 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/24 15:34 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/24 07:38 freebsd-src a3394b6a23fb 4f25b9b4 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/24 01:13 freebsd-src a3394b6a23fb 4f25b9b4 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/23 22:33 freebsd-src a3394b6a23fb 4f25b9b4 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/23 19:46 freebsd-src a3394b6a23fb 319d7797 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/23 18:19 freebsd-src a3394b6a23fb 319d7797 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/23 07:42 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/23 04:30 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/23 03:22 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/22 20:38 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/22 19:25 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/22 19:15 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/22 17:20 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/22 15:53 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/22 14:32 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/22 13:15 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/22 11:00 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/22 09:21 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/22 06:14 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/22 04:45 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/22 02:20 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/21 22:08 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/21 17:42 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/21 17:31 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/21 10:06 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/21 08:39 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/21 03:12 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/21 00:00 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/20 19:05 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/20 17:31 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/20 09:33 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/20 07:54 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/20 04:59 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/20 02:21 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2026/01/19 23:09 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGILL
2025/02/27 20:44 freebsd-src 2980318b2747 6a8fcbc4 console log report ci-freebsd-main SYZFAIL: SIGILL
* Struck through repros no longer work on HEAD.