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avcodec/vqcdec: Check init_get_bits8() for failure

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Fixes: CID1516090 Unchecked return value

Sponsored-by: Sovereign Tech Fund
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6a9302739f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2024-05-19 00:47:11 +02:00
parent b27c156c15
commit c250e3b101
1 changed files with 4 additions and 1 deletions
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5
libavcodec/vqcdec.c
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@@ -146,10 +146,13 @@ static int decode_vectors(VqcContext * s, const uint8_t * buf, int size, int wid
GetBitContext gb; GetBitContext gb;
uint8_t * vectors = s->vectors; uint8_t * vectors = s->vectors;
uint8_t * vectors_end = s->vectors + (width * height * 3) / 2; uint8_t * vectors_end = s->vectors + (width * height * 3) / 2;
int ret;
memset(vectors, 0, 3 * width * height / 2); memset(vectors, 0, 3 * width * height / 2);
init_get_bits8(&gb, buf, size); ret = init_get_bits8(&gb, buf, size);
if (ret < 0)
return ret;
for (int i = 0; i < 3 * width * height / 2 / 32; i++) { for (int i = 0; i < 3 * width * height / 2 / 32; i++) {
uint8_t * dst = vectors; uint8_t * dst = vectors;