syzbot


SYZFAIL: SIGSEGV

Status: upstream: reported on 2025/03/24 10:59
Reported-by: syzbot+3412e5ba8717deb6fdac@syzkaller.appspotmail.com
First crash: 68d, last: 1h07m

Sample crash report:
SYZFAIL: SIGSEGV
pc-offset:0xffffffff217cdfe1 pc:0xdeadbeef addr:0x0 code=65537Connection to 10.128.0.206 closed by remote host.
pid 759 (sshd), jid 0, uid 0: exited on signal 11 (no core dump - bad address)
pid 737 (sleep), jid 0, uid 0: exited on signal 11 (no core dump - other error)
pid 682 (sshd), jid 0, uid 0: exited on signal 11 (no core dump - bad address)
pid 1062 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
tap4: link state changed to UP
pid 1074 (syz-executor), tap0: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe0058d46600 is deleted
if_delmulti_locked: detaching ifnet instance 0xfffffe0008bd7000
pid 1068 (syz-executor), tap1: tun/tap protocol violation, non-controlling process closed last.
tap0: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe0008bd7000
if_delmulti_locked: detaching ifnet instance 0xfffffe0008bd7000
ifaddr cache = 0xfffffe0058d46900 is deleted
tap1: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe0008bd7800
if_delmulti_locked: detaching ifnet instance 0xfffffe0008bd7800
if_delmulti_locked: detaching ifnet instance 0xfffffe0008bd7800
pid 1083 (ifconfig), jid 0, uid 0: exited on signal 11 (no core dump - too large)
pid 1083 (ifconfig), tap4: tun/tap protocol violation, non-controlling process closed last.
tap4: link state changed to DOWN
pid 1060 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 990 (dhclient), jid 0, uid 0: exited on signal 11 (core dumped)
pid 958 (sh), jid 0, uid 0: exited on signal 11 (core dumped)
pid 1055 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 761 (csh), jid 0, uid 0: exited on signal 11 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d7b000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d7b000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058d7b000
pid 1057 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 1054 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 1058 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 1061 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 1059 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 1082 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
pid 1056 (getty), jid 0, uid 0: exited on signal 11 (core dumped)
if_delmulti_locked: detaching ifnet instance 0xfffffe0008bd7800
if_delmulti_locked: detaching ifnet instance 0xfffffe0008bd7800
if_delmulti_locked: detaching ifnet instance 0xfffffe0008bd7800

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

login: if_delmulti_locked: detaching ifnet instance 0xfffffe0008bd7000
if_delmulti_locked: detaching ifnet instance 0xfffffe0008bd7000
if_delmulti_locked: detaching ifnet instance 0xfffffe0008bd7000
set $maxwidth = 0
Password:if_delmulti_locked: detaching ifnet instance 0xfffffe006ecad800
if_delmulti_locked: detaching ifnet instance 0xfffffe006ecad800
if_delmulti_locked: detaching ifnet instance 0xfffffe006ecad800

Login incorrect
login: show proc
Password:
Login incorrect
login: show all locks
Password:
Login incorrect
login: show uma
Password:
Login incorrect

Crashes (25):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/05/31 14:21 freebsd-src e86d9dd6cee1 3d2f584d console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/05/25 22:11 freebsd-src 249f14c87fd5 2d4582d0 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/05/24 22:00 freebsd-src 1a6a36a98ad5 ed351ea7 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/05/23 21:23 freebsd-src fb1749cc6468 f8cc0c83 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/05/23 19:12 freebsd-src fb1749cc6468 f8cc0c83 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/05/22 08:56 freebsd-src 30fd79b0c0a3 0919b50b console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/05/18 15:04 freebsd-src 89549c234817 f41472b0 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/05/17 12:33 freebsd-src ee84b4e2fdf0 f41472b0 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/05/17 10:36 freebsd-src ee84b4e2fdf0 f41472b0 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/05/16 00:50 freebsd-src c808bee35b11 cfde8269 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/05/15 03:20 freebsd-src a6bac0a9efa1 d6b2ee52 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/05/13 04:08 freebsd-src eed3be47967f f6671af7 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/05/09 22:33 freebsd-src bcd85e0150c9 77908e5f console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/05/05 17:12 freebsd-src 2c0e6f53171c 6ca47dd8 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/05/05 10:47 freebsd-src 2c0e6f53171c 6ca47dd8 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/05/01 19:40 freebsd-src 4e3a6fe0134e 51b137cd console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/04/30 10:18 freebsd-src d5e3cf41e894 85a5a23f console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/04/29 16:38 freebsd-src 8f58b693814e 4a62c0b1 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/04/29 02:34 freebsd-src 4e2616b74cb7 aeb6ec69 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/04/25 23:19 freebsd-src 2a4cd9f8c82d c6b4fb39 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/04/24 00:47 freebsd-src d0ab6abbf531 9882047a console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/04/24 00:10 freebsd-src d0ab6abbf531 9882047a console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/04/18 23:50 freebsd-src 7121e9414f29 2a20f901 console log report ci-freebsd-main SYZFAIL: SIGSEGV
2025/03/29 22:59 freebsd-src 27f70efebf1d d3999433 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.