1 files changed, 14 insertions, 1 deletions
diff --git a/md5_utils.c b/md5_utils.c
index f4f893a2d..a9b979a41 100644
--- a/md5_utils.c
+++ b/md5_utils.c
@@ -150,12 +150,23 @@ MD5Final(md5byte digest[16], struct MD5Context *ctx) {
 #define MD5STEP(f,w,x,y,z,in,s) \
   (w += f(x,y,z) + in, w = (w<<s | w>>(32-s)) + x)
 
+#if defined(__clang__) && defined(__has_attribute)
+#if __has_attribute(no_sanitize)
+#define VPX_NO_UNSIGNED_OVERFLOW_CHECK \
+  __attribute__((no_sanitize("unsigned-integer-overflow")))
+#endif
+#endif
+
+#ifndef VPX_NO_UNSIGNED_OVERFLOW_CHECK
+#define VPX_NO_UNSIGNED_OVERFLOW_CHECK
+#endif
+
 /*
  * The core of the MD5 algorithm, this alters an existing MD5 hash to
  * reflect the addition of 16 longwords of new data.  MD5Update blocks
  * the data and converts bytes into longwords for this routine.
  */
-void
+VPX_NO_UNSIGNED_OVERFLOW_CHECK void
 MD5Transform(UWORD32 buf[4], UWORD32 const in[16]) {
   register UWORD32 a, b, c, d;
 
@@ -238,4 +249,6 @@ MD5Transform(UWORD32 buf[4], UWORD32 const in[16]) {
   buf[3] += d;
 }
 
+#undef VPX_NO_UNSIGNED_OVERFLOW_CHECK
+
 #endif