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Fix memory leak in dlopen with RTLD_NOLOAD.

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This commit is contained in:
Andreas Schwab
2011-02-25 20:49:48 -05:00
committed by Ulrich Drepper
parent 661b9e2014
commit 4bff6e0175
8 changed files with 59 additions and 13 deletions
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22
elf/noload.c
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@ -1,20 +1,28 @@
#include <dlfcn.h>
#include <stdio.h>
#include <mcheck.h>
int
main (void)
{
int result = 0;
void *p;
mtrace ();
/* First try to load an object which is a dependency. This should
succeed. */
if (dlopen ("testobj1.so", RTLD_LAZY | RTLD_NOLOAD) == NULL)
p = dlopen ("testobj1.so", RTLD_LAZY | RTLD_NOLOAD);
if (p == NULL)
{
printf ("cannot open \"testobj1.so\": %s\n", dlerror ());
result = 1;
}
else
puts ("loading \"testobj1.so\" succeeded, OK");
{
puts ("loading \"testobj1.so\" succeeded, OK");
dlclose (p);
}
/* Now try loading an object which is not already loaded. */
if (dlopen ("testobj5.so", RTLD_LAZY | RTLD_NOLOAD) != NULL)
@ -25,8 +33,6 @@ main (void)
else
{
/* Load the object and run the same test again. */
void *p;
puts ("\"testobj5.so\" wasn't loaded and RTLD_NOLOAD prevented it, OK");
p = dlopen ("testobj5.so", RTLD_LAZY);
@ -41,13 +47,17 @@ main (void)
{
puts ("loading \"testobj5.so\" succeeded, OK");
if (dlopen ("testobj5.so", RTLD_LAZY | RTLD_NOLOAD) == NULL)
void *q = dlopen ("testobj5.so", RTLD_LAZY | RTLD_NOLOAD);
if (q == NULL)
{
printf ("cannot open \"testobj5.so\": %s\n", dlerror ());
result = 1;
}
else
puts ("loading \"testobj5.so\" with RTLD_NOLOAD succeeded, OK");
{
puts ("loading \"testobj5.so\" with RTLD_NOLOAD succeeded, OK");
dlclose (q);
}
if (dlclose (p) != 0)
{