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mcheck Fix malloc_usable_size [BZ #22057]

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Interpose malloc_usable_size to return the correct mcheck value for
malloc_usable_size.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Siddhesh Poyarekar
2021-07-22 18:38:16 +05:30
parent 1e5a5866cb
commit 6856975ed4
3 changed files with 9 additions and 3 deletions
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2
malloc/malloc-debug.c
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@ -399,6 +399,8 @@ strong_alias (__debug_calloc, calloc)
size_t
malloc_usable_size (void *mem)
{
if (__is_malloc_debug_enabled (MALLOC_MCHECK_HOOK))
return mcheck_usable_size (mem);
if (__is_malloc_debug_enabled (MALLOC_CHECK_HOOK))
return malloc_check_get_size (mem);