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kasan: Implementation of Kasan based on software tags.

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Currently, only aarch64 is supported

Signed-off-by: wangmingrong <wangmingrong@xiaomi.com>
This commit is contained in:
wangmingrong
2024-03-14 16:40:52 +08:00
committed by Xiang Xiao
parent 9c6bed4b00
commit ae3facda53
17 changed files with 394 additions and 51 deletions
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mm/tlsf/mm_tlsf.c
+2 -2
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@@ -1183,7 +1183,7 @@ FAR void *mm_malloc(FAR struct mm_heap_s *heap, size_t size)
memdump_backtrace(heap, buf);
#endif
kasan_unpoison(ret, mm_malloc_size(heap, ret));
ret = kasan_unpoison(ret, mm_malloc_size(heap, ret));
#ifdef CONFIG_MM_FILL_ALLOCATIONS
memset(ret, 0xaa, nodesize);
@@ -1260,7 +1260,7 @@ FAR void *mm_memalign(FAR struct mm_heap_s *heap, size_t alignment,
memdump_backtrace(heap, buf);
#endif
kasan_unpoison(ret, mm_malloc_size(heap, ret));
ret = kasan_unpoison(ret, mm_malloc_size(heap, ret));
}
#if CONFIG_MM_FREE_DELAYCOUNT_MAX > 0