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tiff: in add_string_metadata() check the count more completely

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer 2013-01-27 04:53:03 +01:00
parent 5de286ef88
commit b16830840e
1 changed files with 1 additions and 1 deletions
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libavcodec/tiff.c
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@ -308,7 +308,7 @@ static int add_string_metadata(int count, const char *name,
{ {
char *value; char *value;
if (bytestream2_get_bytes_left(&s->gb) < count) if (bytestream2_get_bytes_left(&s->gb) < count || count < 0)
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
value = av_malloc(count + 1); value = av_malloc(count + 1);