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10l, protect malloc overflow

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Originally committed as revision 12205 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2008-02-25 12:38:37 +00:00
parent b8d3daca62
commit 9c7fd997f7
1 changed files with 2 additions and 0 deletions
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2
libavformat/aiff.c
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@ -368,6 +368,8 @@ static int aiff_read_header(AVFormatContext *s,
url_fskip(pb, size - 8); url_fskip(pb, size - 8);
break; break;
case MKTAG('w', 'a', 'v', 'e'): case MKTAG('w', 'a', 'v', 'e'):
if ((uint64_t)size > (1<<30))
return -1;
st->codec->extradata = av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE); st->codec->extradata = av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE);
if (!st->codec->extradata) if (!st->codec->extradata)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);