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authorDavid Mendenhall <dpmendenhall@gmail.com>2020-04-20 15:00:48 -0700
committerDominik Maier <domenukk@gmail.com>2020-04-21 13:14:34 +0200
commit0aef3b40403848d6a86fca56b0bf520b1851c1d0 (patch)
treebf65624dc8c21f3c269ab2d1821451197cbf595f /libdislocator/libdislocator.so.c
parent4cc0589440465e1f67218361a6f6e3a91a78a6a8 (diff)
downloadafl++-0aef3b40403848d6a86fca56b0bf520b1851c1d0.tar.gz
add NULL check to malloc_usable_size
Diffstat (limited to 'libdislocator/libdislocator.so.c')
-rw-r--r--libdislocator/libdislocator.so.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libdislocator/libdislocator.so.c b/libdislocator/libdislocator.so.c
index 72d280e6..19e84d9f 100644
--- a/libdislocator/libdislocator.so.c
+++ b/libdislocator/libdislocator.so.c
@@ -466,7 +466,7 @@ void *reallocarray(void *ptr, size_t elem_len, size_t elem_cnt) {
 
 size_t malloc_usable_size(void *ptr) {
 
-   return PTR_L(ptr);
+   return ptr ? PTR_L(ptr) : 0;
 
 }