avformat/matroskadec: assert non NULL buf

The code is only called if size is > 0 so buf should not be NULL Helps: CID610554

Michael Niedermayer committed 4 years ago

Commit d84f0361 parent 7bfbd241 file · +2 −0Browse files

Showing the changes to libavformat (1 of 1 file). Show all

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@@ -3701,6 +3701,8 @@ static int matroska_parse_block(MatroskaDemuxContext matroska, AVBufferRef buf · 3700 unmodified lines
3701	uint64_t num;	3701	uint64_t num;
3702	int trust_default_duration;	3702	int trust_default_duration;
3703		3703
		3704	av_assert1(buf);
		3705
3704	ffio_init_context(&pb, data, size, 0, NULL, NULL, NULL, NULL);	3706	ffio_init_context(&pb, data, size, 0, NULL, NULL, NULL, NULL);
3705		3707
3706	if ((n = ebml_read_num(matroska, &pb.pub, 8, &num, 1)) < 0)	3708	if ((n = ebml_read_num(matroska, &pb.pub, 8, &num, 1)) < 0)

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