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avformat/mlvdec: read_string() received unsigned size, make the argument unsigned

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Fixes: infinite loop
Fixes: mlv-timeout-e3b8cab9835edecad6823baa057e029671329d04

Found-by: Paul Ch <paulcher@icloud.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1e71cb2c8edcf3dad657c15a6fb8572862f2afb9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2018-08-16 15:36:28 +02:00
parent 0ea54cae21
commit 4babf70c7e
1 changed files with 1 additions and 1 deletions
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2
libavformat/mlvdec.c
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@ -77,7 +77,7 @@ static int check_file_header(AVIOContext *pb, uint64_t guid)
return 0; return 0;
} }
static void read_string(AVFormatContext *avctx, AVIOContext *pb, const char *tag, int size) static void read_string(AVFormatContext *avctx, AVIOContext *pb, const char *tag, unsigned size)
{ {
char * value = av_malloc(size + 1); char * value = av_malloc(size + 1);
if (!value) { if (!value) {