syzbot


SYZFAIL: SIGSEGV

Status: upstream: reported on 2025/03/24 10:59
Reported-by: syzbot+3412e5ba8717deb6fdac@syzkaller.appspotmail.com
First crash: 300d, last: 1h48m

Sample crash report:
SYZFAIL: SIGSEGV
pid 812 (syz-executor), tap3: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe0071384600 is deleted
tap3: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
ktrace write failed, errno 27, tracing stopped for pid 814
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
ifaddr cache = 0xfffffe0071384900 is deleted
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
ktrace write failed, errno 27, tracing stopped for pid 758
ktrace write failed, errno 27, tracing stopped for pid 760
pid 758 (sshd), jid 0, uid 0: exited on signal 11 (no core dump - sugid process denied by kern.sugid_coredump)
Connection to 10.128.1.156 closed by remote host.
tap0: link state changed to DOWN
ktrace write failed, errno 27, tracing stopped for pid 681
ktrace write failed, errno 27, tracing stopped for pid 737
ktrace write failed, errno 27, tracing stopped for pid 736
pid 736 (sleep), jid 0, uid 0: exited on signal 11 (no core dump - other error)
ktrace write failed, errno 27, tracing stopped for pid 735
ktrace write failed, errno 27, tracing stopped for pid 685
pid 681 (sshd), jid 0, uid 0: exited on signal 11 (no core dump - sugid process denied by kern.sugid_coredump)
pid 982 (syz-executor), tap2: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe0058088780 is deleted
tap2: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
pid 737 (logger), jid 0, uid 0: exited on signal 11 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2c00
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2c00
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c2c00
pid 735 (sh), jid 0, uid 0: exited on signal 11 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
pid 685 (cron), jid 0, uid 0: exited on signal 11 (core dumped)
pid 760 (csh), jid 0, uid 0: exited on signal 11 (core dumped)
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
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800

Crashes (108):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/18 11:32 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2026/01/17 11:22 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2026/01/15 16:56 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2026/01/15 08:38 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2026/01/14 00:43 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2026/01/13 20:48 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2026/01/13 05:34 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2026/01/11 11:13 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2026/01/11 10:15 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2026/01/10 08:02 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2026/01/10 06:28 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2026/01/09 09:02 freebsd-src a3394b6a23fb f7cfc622 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2026/01/09 00:28 freebsd-src a3394b6a23fb f7cfc622 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2026/01/07 07:57 freebsd-src a3394b6a23fb 15f6fd08 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2026/01/05 19:14 freebsd-src a3394b6a23fb 917fe602 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2026/01/03 07:51 freebsd-src a3394b6a23fb e3fbc05e console log report ci-freebsd-main SYZFAIL: SIGSEGV
2026/01/01 10:40 freebsd-src a3394b6a23fb 2733a373 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/12/30 00:51 freebsd-src a3394b6a23fb 17e6c961 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/12/29 19:19 freebsd-src a3394b6a23fb a938fefb console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/12/27 13:58 freebsd-src a3394b6a23fb 5dc09de1 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/12/20 15:05 freebsd-src 7f39d05b67ae e14dbeb9 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/12/17 18:07 freebsd-src f94bfc469df9 a066d2bc console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/12/12 18:55 freebsd-src ef2d586d7efb a066d2bc console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/12/09 09:21 freebsd-src cff67bc43df1 fc20f974 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/12/07 21:39 freebsd-src 3f10e5985044 cee4cb10 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/12/07 04:29 freebsd-src 6f4debc004c3 cee4cb10 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/11/24 01:57 freebsd-src 5cc34a83e1cc 4fb8ef37 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/11/14 21:09 freebsd-src 8cd9c39195b5 f7988ea4 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/11/10 20:24 freebsd-src ec0cd287f55f 4e1406b4 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/11/09 16:34 freebsd-src 8b92a6ad597e 4e1406b4 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/11/06 07:37 freebsd-src 1ca7542a1b31 a6c9c731 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/10/30 01:48 freebsd-src db0d002a217b fd2207e7 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/10/28 22:29 freebsd-src 22cff1f3e9d8 fd2207e7 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/10/27 20:36 freebsd-src 1d100747d747 fd2207e7 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/10/26 02:03 freebsd-src e6e941e659ab c0460fcd console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/10/23 21:51 freebsd-src 93b02f69a6f6 c0460fcd console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/10/20 07:59 freebsd-src 2f461ddd784b e18aa505 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/10/15 09:35 freebsd-src ead721935251 b6605ba8 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/10/11 09:31 freebsd-src 2b0ffc0ee48c ff1712fe console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/10/10 19:30 freebsd-src 2170400142b9 ff1712fe console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/10/07 12:20 freebsd-src a8d774d9708c 8ef35d49 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/10/07 10:44 freebsd-src a8d774d9708c 8ef35d49 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/10/02 13:32 freebsd-src 213170eb956f 770ff59f console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/09/21 06:27 freebsd-src 4c3a868d13c0 67c37560 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/09/21 00:24 freebsd-src 31ec8b6407fd 67c37560 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/09/20 06:57 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/09/18 15:53 freebsd-src 7c0bc6c703ee e2beed91 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/09/16 19:13 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/09/15 05:24 freebsd-src 52096ba6b769 e2beed91 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/03/24 10:59 freebsd-src 574816356834 875573af console log report ci-freebsd-main SYZFAIL: SIGSEGV
* Struck through repros no longer work on HEAD.