tiff: in add_string_metadata() check the count more completely

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-01-27 04:53:03 +01:00
parent 5de286ef88
commit b16830840e

View File

@ -308,7 +308,7 @@ static int add_string_metadata(int count, const char *name,
{
char *value;
if (bytestream2_get_bytes_left(&s->gb) < count)
if (bytestream2_get_bytes_left(&s->gb) < count || count < 0)
return AVERROR_INVALIDDATA;
value = av_malloc(count + 1);