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Code Issues Releases Activity

avformat/ipmovie: Check OPCODE_CREATE_TIMER size

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Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f81e836ef8c_5930_ipmovie_interplayvideo_interplay_dpcm__bislogo.mve
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2013-12-14 21:22:14 +01:00
parent de9ea40a40
commit 892562e921
1 changed files with 1 additions and 1 deletions
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2
libavformat/ipmovie.c
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@@ -321,7 +321,7 @@ static int process_ipmovie_chunk(IPMVEContext *s, AVIOContext *pb,
case OPCODE_CREATE_TIMER:
av_dlog(NULL, "create timer\n");
if ((opcode_version > 0) || (opcode_size > 6)) {
if ((opcode_version > 0) || (opcode_size != 6)) {
av_dlog(NULL, "bad create_timer opcode\n");
chunk_type = CHUNK_BAD;
break;