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-rw-r--r--ChangeLog3
-rw-r--r--malloc/malloc.c2
-rw-r--r--malloc/mcheck.c2
3 files changed, 5 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index d5e1de3..5413c12 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
2007-05-18 Ulrich Drepper <drepper@redhat.com>
+ * malloc/malloc.c (do_check_chunk): Correct check for mmaped block
+ not overlapping with arena.
+
* malloc/mcheck.c (reallochook): If size==0, free the block.
* rt/tst-shm.c: Use fstat64 instead of fstat.
diff --git a/malloc/malloc.c b/malloc/malloc.c
index e061db9..d37d920 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -2572,7 +2572,7 @@ static void do_check_chunk(av, p) mstate av; mchunkptr p;
#if HAVE_MMAP
/* address is outside main heap */
if (contiguous(av) && av->top != initial_top(av)) {
- assert(((char*)p) < min_address || ((char*)p) > max_address);
+ assert(((char*)p) < min_address || ((char*)p) >= max_address);
}
/* chunk is page-aligned */
assert(((p->prev_size + sz) & (mp_.pagesize-1)) == 0);
diff --git a/malloc/mcheck.c b/malloc/mcheck.c
index 4e0d4b5..524acc7 100644
--- a/malloc/mcheck.c
+++ b/malloc/mcheck.c
@@ -267,7 +267,7 @@ reallochook (__ptr_t ptr, __malloc_size_t size, const __ptr_t caller)
if (size == 0)
{
freehook (ptr, caller);
- return;
+ return NULL;
}
struct hdr *hdr;