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avformat/iff: check avio_read() return in get_metadata()

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Fixes: msan_uninit-mem_7f9539ba8461_4760_dasboot_in_compressed
Fixes use of uninitialized memory
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-29 00:57:15 +01:00
parent 55fa898969
commit 8e90c7285d
1 changed files with 1 additions and 1 deletions
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2
libavformat/iff.c
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@ -118,7 +118,7 @@ static int get_metadata(AVFormatContext *s,
if (!buf) if (!buf)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
if (avio_read(s->pb, buf, data_size) < 0) { if (avio_read(s->pb, buf, data_size) != data_size) {
av_free(buf); av_free(buf);
return AVERROR(EIO); return AVERROR(EIO);
} }