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avcodec/dirac_parser: Fix undefined memcpy() use 

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 daefd8ab2f)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-11-06 21:58:42 +01:00
parent bcedc2b0f0
commit 327dd70690
1 changed files with 1 additions and 1 deletions
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2
libavcodec/dirac_parser.c
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@ -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;