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-rw-r--r--malloc/malloc.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c
index 55e2cbc0cd..8cc9e454dc 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -4135,8 +4135,14 @@ _int_free(mstate av, Void_t* mem)
allocator never wrapps around at the end of the address space.
Therefore we can exclude some size values which might appear
here by accident or by "design" from some intruder. */
- if ((uintptr_t) p > (uintptr_t) -size)
- return;
+ if (__builtin_expect ((uintptr_t) p > (uintptr_t) -size, 0))
+ {
+ if (check_action & 1)
+ fprintf (stderr, "free(): invalid pointer %p!\n", mem);
+ if (check_action & 2)
+ abort ();
+ return;
+ }
check_inuse_chunk(av, p);