better hdr_valid() check, fixes out-of-bounds table access found by afl

lieff committed 8 years ago

Commit 0da45b11 parent 91080871 file · +1 −0Browse files

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@@ -266,6 +266,7 @@ static int hdr_valid(const uint8_t *h) · 265 unmodified lines
266	266	{
267	267	return h[0] == 0xff &&
268	268	((h[1] & 0xF0) == 0xf0 \|\| (h[1] & 0xFE) == 0xe2) &&
	269	+ (HDR_GET_LAYER(h) != 0) &&
269	270	(HDR_GET_BITRATE(h) != 15) &&
270	271	(HDR_GET_SAMPLE_RATE(h) != 3);
271	272	}

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