diff options
| -rw-r--r-- | malloc/malloc.c | 5 |
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)) |