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authorUlrich Drepper <drepper@redhat.com>2007-12-17 18:44:04 +0000
committerUlrich Drepper <drepper@redhat.com>2007-12-17 18:44:04 +0000
commit4cd4c5d6a28c4fbdc86651c4578f4c4f24efce08 (patch)
treee81dce1398009327dbb01c69339ac3ae278e7fa6 /malloc
parentd9961b6a4ff8282a1700aa176c1c3f66b63f4bc6 (diff)
downloadglibc-4cd4c5d6a28c4fbdc86651c4578f4c4f24efce08.tar.gz
* malloc/malloc.c (public_cALLOc): For arena other than
main_arena, count all bytes inside the mprotect_size range of the heap as uninitialized.
Diffstat (limited to 'malloc')
-rw-r--r--malloc/malloc.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c
index c54c203cbf..fc8a83c328 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -3886,6 +3886,12 @@ public_cALLOc(size_t n, size_t elem_size)
oldtopsize < mp_.sbrk_base + av->max_system_mem - (char *)oldtop)
oldtopsize = (mp_.sbrk_base + av->max_system_mem - (char *)oldtop);
#endif
+ if (av != &main_arena)
+ {
+ heap_info *heap = heap_for_ptr (oldtop);
+ if (oldtopsize < (char *) heap + heap->mprotect_size - (char *) oldtop)
+ oldtopsize = (char *) heap + heap->mprotect_size - (char *) oldtop;
+ }
#endif
mem = _int_malloc(av, sz);