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Fix memory leak in TLS of loaded objects.

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This commit is contained in:
Ulrich Drepper
2011-04-10 22:43:01 -04:00
parent c6489db3bd
commit e6c6149412
12 changed files with 56 additions and 14 deletions
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7
nptl/allocatestack.c
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@ -1,4 +1,4 @@
/* Copyright (C) 2002-2007, 2009, 2010 Free Software Foundation, Inc.
/* Copyright (C) 2002-2007, 2009, 2010, 2011 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -26,6 +26,7 @@
#include <sys/mman.h>
#include <sys/param.h>
#include <dl-sysdep.h>
#include <dl-tls.h>
#include <tls.h>
#include <lowlevellock.h>
#include <kernel-features.h>
@ -241,6 +242,10 @@ get_cached_stack (size_t *sizep, void **memp)
/* Clear the DTV. */
dtv_t *dtv = GET_DTV (TLS_TPADJ (result));
for (size_t cnt = 0; cnt < dtv[-1].counter; ++cnt)
if (! dtv[1 + cnt].pointer.is_static
&& dtv[1 + cnt].pointer.val != TLS_DTV_UNALLOCATED)
free (dtv[1 + cnt].pointer.val);
memset (dtv, '\0', (dtv[-1].counter + 1) * sizeof (dtv_t));
/* Re-initialize the TLS. */