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-rw-r--r--malloc/malloc.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c
index 0d0990cc35..665d7a4b3e 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -4229,8 +4229,9 @@ _int_free(mstate av, Void_t* mem)
if (__builtin_expect (p == av->top, 0))
goto double_free;
/* Or whether the next chunk is beyond the boundaries of the arena. */
- if (__builtin_expect ((char *) nextchunk >= ((char *) av->top
- + chunksize(av->top)), 0))
+ if (__builtin_expect (contiguous (av)
+ && (char *) nextchunk
+ >= ((char *) av->top + chunksize(av->top)), 0))
goto double_free;
/* Or whether the block is actually not marked used. */
if (__builtin_expect (!prev_inuse(nextchunk), 0))