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avformat/rmdec: zero string destination before use

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Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f9677850d99_4635_crashed.rm
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-21 12:52:23 +01:00
parent ea1e630c47
commit b797a00f63
1 changed files with 1 additions and 0 deletions
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libavformat/rmdec.c
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@ -185,6 +185,7 @@ static int rm_read_audio_stream_info(AVFormatContext *s, AVIOContext *pb,
avio_read(pb, buf, 4);
buf[4] = 0;
} else {
AV_WL32(buf, 0);
get_str8(pb, buf, sizeof(buf)); /* desc */
ast->deint_id = AV_RL32(buf);
get_str8(pb, buf, sizeof(buf)); /* desc */