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avformat/rmdec: rm_read_extradata: add error message for oversized extradata

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 50f9de59a0)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-12-06 00:17:30 +01:00
parent 365e0652f9
commit aded1110a3
1 changed files with 3 additions and 1 deletions
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4
libavformat/rmdec.c
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@ -86,8 +86,10 @@ static void get_str8(AVIOContext *pb, char *buf, int buf_size)
static int rm_read_extradata(AVIOContext *pb, AVCodecContext *avctx, unsigned size) static int rm_read_extradata(AVIOContext *pb, AVCodecContext *avctx, unsigned size)
{ {
if (size >= 1<<24) if (size >= 1<<24) {
av_log(avctx, AV_LOG_ERROR, "extradata size %u too large\n", size);
return -1; return -1;
}
if (ff_get_extradata(avctx, pb, size) < 0) if (ff_get_extradata(avctx, pb, size) < 0)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
return 0; return 0;