avcodec/dirac_parser: Fix undefined memcpy() use
authorMichael Niedermayer <michael@niedermayer.cc>
Fri, 6 Nov 2015 20:58:42 +0000 (21:58 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Thu, 12 Nov 2015 01:55:47 +0000 (02:55 +0100)
Fixes: 9d375e415486edd1a0c826f2307d89a4/asan_generic_4a5159_1577_faa333e83dacdd9e4dd322380aeed537.iss

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit daefd8ab2f2aeb90cd53cb75445faffdc7a3cc79)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/dirac_parser.c

index 45ded5a..83c35a2 100644 (file)
@@ -123,7 +123,7 @@ static int dirac_combine_frame(AVCodecParserContext *s, AVCodecContext *avctx,
     DiracParseContext *pc = s->priv_data;
 
     if (pc->overread_index) {
-        memcpy(pc->buffer, pc->buffer + pc->overread_index,
+        memmove(pc->buffer, pc->buffer + pc->overread_index,
                pc->index - pc->overread_index);
         pc->index         -= pc->overread_index;
         pc->overread_index = 0;