avcodec/takdec: Use memove, avoid undefined memcpy() use
authorMichael Niedermayer <michael@niedermayer.cc>
Sat, 7 Nov 2015 19:05:27 +0000 (20:05 +0100)
committerAndreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Thu, 26 Nov 2015 00:37:33 +0000 (01:37 +0100)
Fixes: e214333cbd94c91228e624ff39329ce6/asan_generic_4a5159_6412_96cda2530e80607210ab41ccae3d456d.tak

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7cea3430a56fb0ff6ef60f08620fd3875e7bfeb6)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
libavcodec/takdec.c

index 45c7650..28f884a 100644 (file)
@@ -656,7 +656,7 @@ static int decorrelate(TAKDecContext *s, int c1, int c2, int length)
                 *p1++ = v;
             }
 
-            memcpy(s->residues, &s->residues[tmp], 2 * filter_order);
+            memmove(s->residues, &s->residues[tmp], 2 * filter_order);
         }
 
         emms_c();