diff options
| author | Bernard Xiong <[email protected]> | 2015-01-16 15:09:40 +0800 |
|---|---|---|
| committer | Bernard Xiong <[email protected]> | 2015-01-16 15:09:40 +0800 |
| commit | 247556819072e6fd0be9dae831ad8854df5cb3ff (patch) | |
| tree | 26e0cbfce7074102db3927d408ab6b3c3c579ac8 | |
| parent | 571095e84c87edc9c0412a52696e124cb3c0d9ff (diff) | |
| parent | f8c171d5ad752045a243e846718585ec1c671771 (diff) | |
Merge pull request #413 from grissiom/fix-memheap
memheap: check against over written in rt_memheap_free
| -rw-r--r-- | src/memheap.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/memheap.c b/src/memheap.c index e19c83a08c..adb5c86053 100644 --- a/src/memheap.c +++ b/src/memheap.c @@ -517,6 +517,8 @@ void rt_memheap_free(void *ptr) /* check magic */ RT_ASSERT((header_ptr->magic & RT_MEMHEAP_MASK) == RT_MEMHEAP_MAGIC); + /* check whether this block of memory has been over-written. */ + RT_ASSERT((header_ptr->next->magic & RT_MEMHEAP_MASK) == RT_MEMHEAP_MAGIC); /* get pool ptr */ heap = header_ptr->pool_ptr; |