syzbot


SYZFAIL: posix_spawnp failed

Status: upstream: reported on 2025/01/29 02:19
Reported-by: syzbot+7fb9542c410d3e919ef1@syzkaller.appspotmail.com
First crash: 377d, last: 16d

Sample crash report:
SYZFAIL: posix_spawnp failed
 (errno 35: Resource temporarily unavailable)


FreeBSD/amd64 (ci-freebsd-main-2.us-central1-b.c.syzkaller.internal) (ttyu0)

login: if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
maxproc limit exceeded by uid 0 (pid 2227); see tuning(7) and login.conf(5)
Jan 25 19:43:46 ci-freebsd-main-2 dhclient[813]: Interface tap0 is down, dhclient exiting
set $lines = 0
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
Jan 25 19:43:46 ci-freebsd-main-2 dhclient[813]: fork: Resource temporarily unavailable
Jan 25 19:43:46 ci-freebsd-main-2 dhclient[813]: exiting.
Jan 25 19:43:46 ci-freebsd-main-2 dhclient[813]: connection closed
Jan 25 19:43:46 ci-freebsd-main-2 dhclient[813]: exiting.
maxproc limit exceeded by uid 0 (pid 3615); see tuning(7) and login.conf(5)
Password:
Login incorrect
login: maxproc limit exceeded by uid 0 (pid 4361); see tuning(7) and login.conf(5)
show registers
Password:maxproc limit exceeded by uid 0 (pid 3966); see tuning(7) and login.conf(5)

Login incorrect
login: maxproc limit exceeded by uid 0 (pid 2227); see tuning(7) and login.conf(5)
ps
Password:Jan 25 19:43:50 ci-freebsd-main-2 login[747]: 2 LOGIN FAILURES ON ttyu0
maxproc limit exceeded by uid 0 (pid 2227); see tuning(7) and login.conf(5)

Login incorrect
login: maxproc limit exceeded by uid 0 (pid 4655); see tuning(7) and login.conf(5)
Expensive callout(9) function: 0xffffffff81677fd0(0xfffffe00868ae000) 0.003326944 s
Expensive callout(9) function: 0xffffffff81677fd0(0xfffffe0079807000) 0.003322692 s
show malloc
Password:maxproc limit exceeded by uid 0 (pid 2180); see tuning(7) and login.conf(5)

Login incorrect
maxproc limit exceeded by uid 0 (pid 3303); see tuning(7) and login.conf(5)
show all tcpcbs/bl
maxproc limit exceeded by uid 0 (pid 4655); see tuning(7) and login.conf(5)
maxproc limit exceeded by uid 0 (pid 4710); see tuning(7) and login.conf(5)

Crashes (161707):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/25 19:43 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2026/01/25 19:03 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2026/01/25 18:48 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2026/01/25 17:39 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2026/01/25 17:18 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2026/01/25 16:39 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2026/01/25 13:23 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2026/01/25 12:19 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2026/01/25 11:44 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2026/01/25 07:52 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2026/01/25 20:20 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 20:02 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 19:22 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 18:27 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 18:08 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 17:55 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 17:01 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 16:50 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 16:23 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 16:03 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 15:48 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 15:27 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 15:10 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 14:52 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 14:39 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 14:14 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 13:56 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 13:40 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 13:07 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 12:40 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 11:59 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 11:27 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 11:15 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 11:05 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 10:45 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 10:29 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 10:06 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 09:47 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 09:25 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 09:11 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 08:53 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 08:32 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2026/01/25 08:12 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2025/01/29 02:18 freebsd-src c64b3f32a570 865ef71e console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
* Struck through repros no longer work on HEAD.