VFS: file-max limit 50044 reached

From: Serge Belyshev
Date: Sat Oct 15 2005 - 08:21:28 EST

This program:

#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>

int main (void)
int f, j;

j = 0;
while (1) {
f = open ("/dev/null", O_RDONLY);
if (f == -1) {
fprintf (stderr,"open (%i): %s\n", j, strerror (errno));
abort ();
close (f);
j ++;
return 0;

fails on 2.6.14-rc4 kernel with this message:

$ ./a.out
VFS: file-max limit 50044 reached
open (55499): Too many open files in system

This problem was reproduced on i386 and amd64 with
kernels 2.6.14-rc1 .. 2.6.14-rc4-git4
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