Bug#587752: valgrind: flags memory written to by getdents syscall as uninitialized

[Simon Richter]

Package: valgrind
Version: 1:3.5.0-3
Severity: normal
Tags: upstream

Hi,

valgrind reports a number of accesses to uninitialized memory for the
attached program; I believe the program to be correct.

   Simon

-- System Information:
Debian Release: squeeze/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-5-amd64 (SMP w/2 CPU cores)
Locale: LANG=ja_JP.UTF-8, LC_CTYPE=ja_JP.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages valgrind depends on:
ii  libc6                         2.11.2-2   Embedded GNU C Library: Shared lib
ii  libc6-dbg                     2.11.2-2   Embedded GNU C Library: detached d

Versions of packages valgrind recommends:
ii  gdb                           7.1-1+b1   The GNU Debugger

Versions of packages valgrind suggests:
pn  alleyoop                      <none>     (no description available)
pn  kcachegrind                   <none>     (no description available)
pn  valkyrie                      <none>     (no description available)

-- no debconf information

#include <dirent.h>
#include <stdio.h>

int main(int argc, char *argv[])
{
    if(argc != 2)
        return 1;

    DIR *dir = opendir(argv[1]);
    if(!dir)
        return 1;

    struct dirent *ent;
    while((ent = readdir(dir)))
    {
        printf("%s ", ent->d_name);
    }

    printf("\n");
}