avformat/id3v2: read_uslt() check for the amount read

Fixes: timeout Fixes: 66783/clusterfuzz-testcase-minimized-ffmpeg_dem_GENH_fuzzer-5356884892647424

Michael Niedermayer committed 2 years ago

Commit c0f4abe1 parent b7cdaff1 file · +1 −1Browse files

Unified · Split

@@ -370,7 +370,7 @@ static void read_uslt(AVFormatContext s, AVIOContext pb, int taglen, · 369 unmodified lines
370	int encoding;	370	int encoding;
371	int ok = 0;	371	int ok = 0;
372		372
373	if (taglen < 1)	373	if (taglen < 4)
374	goto error;	374	goto error;
375		375
376	encoding = avio_r8(pb);	376	encoding = avio_r8(pb);

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