syzbot


SYZFAIL: posix_spawnp failed

Status: upstream: reported on 2025/01/29 02:19
Reported-by: syzbot+7fb9542c410d3e919ef1@syzkaller.appspotmail.com
First crash: 235d, last: 7m

Sample crash report:
SYZFAIL: posix_spawnp failed
 (errno 35: Resource temporarily unavailable)
maxproc limit exceeded by uid 0 (pid 3046); see tuning(7) and login.conf(5)


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

login: set $lines = 0
Password:maxproc limit exceeded by uid 0 (pid 5779); see tuning(7) and login.conf(5)

Login incorrect
login: maxproc limit exceeded by uid 0 (pid 1292); see tuning(7) and login.conf(5)
panic: failed to reclaim memory
cpuid = 0
time = 28
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056c9f470
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056c9f5d0
vpanic() at vpanic+0x257/frame 0xfffffe0056c9f790
panic() at panic+0xb5/frame 0xfffffe0056c9f860
vm_pageout_oom() at vm_pageout_oom+0xce4/frame 0xfffffe0056c9f8f0
vm_pageout_worker() at vm_pageout_worker+0xf9b/frame 0xfffffe0056c9fea0
vm_pageout() at vm_pageout+0x2ce/frame 0xfffffe0056c9fef0
fork_exit() at fork_exit+0xcc/frame 0xfffffe0056c9ff30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0056c9ff30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 8 tid 100077 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x259e0f7(%rip)
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx         0xfffffe0002bf1850
rdx                          0
rbx         0xffffffff828086a0  .str.27
rsp         0xfffffe0056c9f5b0
rbp         0xfffffe0056c9f5d0
rsi                          0
rdi         0xffffffff81644349  printf+0x149
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe0079a2a550
r12         0xfffffe0054014780
r13         0xfffffffffffffffe
--More--        r14         0xffffffff828086a0  .str.27
r15                          0
rip         0xffffffff8162da9e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x259e0f7(%rip)
db> proc
No such command; use "help" to list available commands
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 8360  2513   765     0  D       fork    0xffffffff8280cd81  syz-executor
 8359  2513   765     0  D       fork    0xffffffff8280cd81  syz-executor
 8358  1580   765     0  D       fork    0xffffffff8280cd81  syz-executor
 8357  6819   765     0  D       fork    0xffffffff8280cd80  syz-executor
 8356  6724   765     0  D       fork    0xffffffff8280cd81  syz-executor
 8355  4273   765     0  D       fork    0xffffffff8280cd81  syz-executor
 8354  7589   765     0  D       fork    0xffffffff8280cd81  syz-executor
 8353  1211   765     0  N                                   syz-executor
 8352  2906   765     0  N                                   syz-executor
 8351  2357   765     0  N                                   syz-executor
 8350  5120   765     0  N                                   syz-executor
 8349  3049   765     0  N                                   syz-executor
 8348  3020   765     0  N                                   syz-executor
 8347  4962   765     0  N                                   syz-executor
 8346  2976   765     0  N                                   syz-executor
 8345  2948   765     0  N                                   syz-executor
 8344  4741   765     0  N                                   syz-executor
 8343  2859   765     0  N                                   syz-executor
 8342  2885   765     0  N                                   syz-executor
--More--         8341  2803   765     0  N                                   syz-executor
 8340  2792   765     0  N                                   syz-executor
 8339  1680   765     0  N                                   syz-executor
 8338  2767   765     0  N                                   syz-executor
 8337  2568   765     0  N                                   syz-executor
 8336  2465   765     0  N                                   syz-executor
 8335  2739   765     0  N                                   syz-executor
 8334  2711   765     0  N                                   syz-executor
 8333  2756   765     0  N                                   syz-executor
 8332  2744   765     0  N                                   syz-executor
 8331  2728   765     0  N                                   syz-executor
 8330  2716   765     0  N                                   syz-executor
 8329  2698   765     0  N                                   syz-executor
 8328  2687   765     0  N                                   syz-executor
 8327  2675   765     0  N                                   syz-executor
 8326  2660   765     0  N                                   syz-executor
 8325  2650   765     0  N                                   syz-executor
 8324  2634   765     0  N                                   syz-executor
 8323  2621   765     0  N                                   syz-executor
 8322  2611   765     0  N                                   syz-executor
--More--         8321  2602   765     0  N                                   syz-executor
 8320  2590   765     0  N                                   syz-executor
 8319  3108   765     0  N                                   syz-executor
 8318  3082   765     0  N                                   syz-executor
 8317  1479   765     0  N                                   syz-executor
 8316  1475   765     0  N                                   syz-executor
 8315  3006   765     0  N                                   syz-executor
 8314  2159   765     0  N                                   syz-executor
 8313  2949   765     0  N                                   syz-executor
 8312  2921   765     0  N                                   syz-executor
 8311  2902   765     0  N                                   syz-executor
 8310  2887   765     0  N                                   syz-executor
 8309  2871   765     0  N                                   syz-executor
 8308  2067   765     0  N                                   syz-executor
 8307  2837   765     0  N                                   syz-executor
 8306  2821   765     0  N                                   syz-executor
 8305  2796   765     0  N                                   syz-executor
 8304  2006   765     0  N                                   syz-executor
 8303  2754   765     0  N                                   syz-executor
 8302  2714   765     0  N                                   syz-executor
--More--         8301  1191   765     0  N                                   syz-executor
--More--         8300  1187   765     0  N                                   syz-executor
 8299  5298   765     0  N                                   syz-executor
 8298  3138   765     0  N                                   syz-executor
 8297  3112   765     0  N                                   syz-executor
 8296  2978   765     0  N                                   syz-executor
 8295  2440   765     0  N                                   syz-executor
 8294  2407   765     0  N                                   syz-executor
 8293  2389   765     0  N                                   syz-executor
 8292  2372   765     0  N                                   syz-executor
 8291  2188   765     0  N                                   syz-executor
 8290  1579   765     0  N                                   syz-executor
 8289  1542   765     0  N                                   syz-executor
 8288  1539   765     0  N                                   syz-executor
 8287  1519   765     0  N                                   syz-executor
 8286  1510   765     0  N                                   syz-executor
 8285  1501   765     0  N                                   syz-executor
 8284  1527   765     0  N                                   syz-executor
 8283  1106   765     0  N                                   syz-executor
 8282  1489   765     0  N                                   syz-executor
 8281  1474   765     0  N                                   syz-executor
--More--         8280  2758   765     0  N                                   syz-executor
--More--         8279  2361   765     0  N                                   syz-executor
 8278  3068   765     0  N                                   syz-executor
 8277  3027   765     0  N                                   syz-executor
 8276  2999   765     0  N                                   syz-executor
 8275  4926   765     0  N                                   syz-executor
 8274  2958   765     0  N                                   syz-executor
 8273  2931   765     0  N                                   syz-executor
 8272  4588   765     0  N                                   syz-executor
 8271  2847   765     0  N                                   syz-executor
 8270  2809   765     0  N                                   syz-executor
 8269  1759   765     0  N                                   syz-executor
 8268  2819   765     0  N                                   syz-executor
 8267  2773   765     0  N                                   syz-executor
 8266  2781   765     0  N                                   syz-executor
 8265  2503   765     0  N                                   syz-executor
 8264  2747   765     0  N                                   syz-executor
 8263  2721   765     0  N                                   syz-executor
 8262  2679   765     0  N                                   syz-executor
 8261  2734   765     0  N                                   syz-executor
 8260  2308   765     0  N                                   syz-executor
--More--         8259  2704   765     0  N                                   syz-executor
--More--         8258  2689   765     0  N                                   syz-executor
 8257  2677   765     0  N                                   syz-executor
 8256  2661   765     0  N                                   syz-executor
 8255  2652   765     0  N                                   syz-executor
 8254  2636   765     0  N                                   syz-executor
 8253  2555   765     0  N                                   syz-executor
 8252  2547   765     0  N                                   syz-executor
 8251  2539   765     0  N                                   syz-executor
 8250  2592   765     0  N                                   syz-executor
 8249  3109   765     0  N                                   syz-executor
 8248  3086   765     0  N                                   syz-executor
 8247  3053   765     0  N                                   syz-executor
 8246  3035   765     0  N                                   syz-executor
 8245  3008   765     0  N                                   syz-executor
 8244  2981   765     0  N                                   syz-executor
 8243  2132   765     0  N                                   syz-executor
 8242  2119   765     0  N                                   syz-executor
 8241  2904   765     0  N                                   syz-executor
 8240  2889   765     0  D       pfault  0xffffffff83003480  syz-executor
 8239  2874   765     0  D       pfault  0xffffffff83003480  syz-executor
--More--         8238  2857   765     0  D       pfault  0xffffffff83003480  syz-executor
 8237  1947   765     0  D       pfault  0xffffffff83003480  syz-executor
 8236  2824   765     0  D       pfault  0xffffffff83003480  syz-executor
 8235  2802   765     0  D       pfault  0xffffffff83003480  syz-executor
 8234  2776   765     0  D       pfault  0xffffffff83003480  syz-executor
 8233  2755   765     0  D       pfault  0xffffffff83003480  syz-executor
 8232  2723   765     0  D       pfault  0xffffffff83003480  syz-executor
 8231  1201   765     0  D       pfault  0xffffffff83003480  syz-executor
 8230  5346   765     0  D       pfault  0xffffffff83003480  syz-executor
 8229  3142   765     0  D       pfault  0xffffffff83003480  syz-executor
 8228  3115   765     0  D       pfault  0xffffffff83003480  syz-executor
 8227  3056   765     0  D       pfault  0xffffffff83003480  syz-executor
 8226  2373   765     0  D       pfault  0xffffffff83003480  syz-executor
 8225  2444   765     0  D       pfault  0xffffffff83003480  syz-executor
 8224  2409   765     0  D       pfault  0xffffffff83003480  syz-executor
 8223  2393   765     0  D       pfault  0xffffffff83003480  syz-executor
 8222  2224   765     0  D       pfault  0xffffffff83003480  syz-executor
 8221  1580   765     0  D       pfault  0xffffffff83003480  syz-executor
 8220  2362   765     0  D       pfault  0xffffffff83003480  syz-executor
 8219  5165   765     0  D       pfault  0xffffffff83003480  syz-executor
--More--         8218  3059   765     0  D       pfault  0xffffffff83003480  syz-executor
--More--

Crashes (102699):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/09/21 06:47 freebsd-src 4c3a868d13c0 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/21 05:46 freebsd-src 4c3a868d13c0 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/21 04:48 freebsd-src 4c3a868d13c0 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/21 03:01 freebsd-src 31ec8b6407fd 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/21 02:18 freebsd-src 31ec8b6407fd 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/21 01:34 freebsd-src 31ec8b6407fd 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/21 00:48 freebsd-src 31ec8b6407fd 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/21 00:32 freebsd-src 31ec8b6407fd 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 23:30 freebsd-src 31ec8b6407fd 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 21:38 freebsd-src 31ec8b6407fd 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 21:37 freebsd-src 31ec8b6407fd 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 20:35 freebsd-src 31ec8b6407fd 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 20:24 freebsd-src 31ec8b6407fd 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 19:19 freebsd-src 31ec8b6407fd 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 18:04 freebsd-src 31ec8b6407fd 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 17:03 freebsd-src 31ec8b6407fd 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 16:55 freebsd-src 31ec8b6407fd 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 15:48 freebsd-src 31ec8b6407fd 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 15:30 freebsd-src 31ec8b6407fd 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 12:53 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 10:44 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 09:05 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 08:20 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 07:29 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 04:51 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 03:59 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 03:30 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 01:35 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/19 23:36 freebsd-src 627b778d9e6b 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/19 22:27 freebsd-src 627b778d9e6b 67c37560 console log report ci-freebsd-main SYZFAIL: posix_spawnp failed
2025/09/20 23:05 freebsd-src 174d5d9397c4 67c37560 console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2025/09/20 22:42 freebsd-src 174d5d9397c4 67c37560 console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2025/09/20 18:15 freebsd-src 174d5d9397c4 67c37560 console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2025/09/20 12:26 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2025/09/20 12:01 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2025/09/20 11:38 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2025/09/20 10:07 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2025/09/20 09:34 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2025/09/20 06:51 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2025/09/20 06:09 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2025/09/20 05:33 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2025/09/20 02:25 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2025/09/19 22:56 freebsd-src 627b778d9e6b 67c37560 console log report ci-freebsd-i386 SYZFAIL: posix_spawnp failed
2025/09/19 21:59 freebsd-src 627b778d9e6b 67c37560 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.