SYZFAIL: posix_spawn failed


FreeBSD/amd64 (ci-freebsd-i386-3.us-central1-b.c.syzkaller.internal) (ttyu0)

login: maxproc limit exceeded by uid 0 (pid 3885); see tuning(7) and login.conf(5)
set $lines = 0
maxproc limit exceeded by uid 0 (pid 3625); see tuning(7) and login.conf(5)
set $maxwidth = 0
maxproc limit exceeded by uid 0 (pid 3239); see tuning(7) and login.conf(5)
show registers
maxproc limit exceeded by uid 0 (pid 3301); see tuning(7) and login.conf(5)
show proc
maxproc limit exceeded by uid 0 (pid 8287); see tuning(7) and login.conf(5)
ps
maxproc limit exceeded by uid 0 (pid 6937); see tuning(7) and login.conf(5)
show all locks
panic: failed to reclaim memory
cpuid = 0
time = 28
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056de1470
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056de15d0
vpanic() at vpanic+0x257/frame 0xfffffe0056de1790
panic() at panic+0xb5/frame 0xfffffe0056de1860
vm_pageout_oom() at vm_pageout_oom+0xcf4/frame 0xfffffe0056de18f0
vm_pageout_worker() at vm_pageout_worker+0xf3a/frame 0xfffffe0056de1ea0
vm_pageout() at vm_pageout+0x2ce/frame 0xfffffe0056de1ef0
fork_exit() at fork_exit+0xcc/frame 0xfffffe0056de1f30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0056de1f30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 8 tid 100077 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x23e8397(%rip)
db> show malloc
              Type        InUse        MemUse     Requests
          filedesc        14582       116876K        16051
           subproc        16010        32635K        17586
           pf_hash            6        12804K            6
            linker          400        12154K          909
          tcp_hpts            7         4801K            7
            devbuf         4188         4324K         4225
           solaris         2244         3597K         4470
         sysctloid        44885         2637K        45346
           kdtrace        14788         2320K        17413
             vtbuf           24         1968K           46
              umtx        14912         1864K        14912
              kobj          330         1320K          572
            newblk           91         1047K         2859
          vfscache            3         1025K            3
               pcb           64          712K         1324
              vmem            5          710K           11
          inodedep           37          526K         1502
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
--More--                   callout            2          512K            2
              intr            4          472K            4
            kqueue         7354          461K         9257
           pwddesc         7347          460K         9064
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          101          201K        32126
            acpica         1674          184K        54426
           tidhash            3          141K            3
           pagedep           20          133K         1075
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
         proc-args         7365          117K        10022
            DEVFS1          114          114K          135
               sem            4          106K            4
        gtaskqueue           18           98K           18
               bus         1003           82K         5067
          mtx_pool            3           74K            3
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
--More--                    module          523           66K          529