From c250e3b101d91e86681796941ef0eb2ad75148f3 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 19 May 2024 00:47:11 +0200 Subject: [PATCH] avcodec/vqcdec: Check init_get_bits8() for failure Fixes: CID1516090 Unchecked return value Sponsored-by: Sovereign Tech Fund Reviewed-by: Peter Ross Signed-off-by: Michael Niedermayer (cherry picked from commit 6a9302739f5b20791eac7f40d9d999f822227fd1) Signed-off-by: Michael Niedermayer --- libavcodec/vqcdec.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libavcodec/vqcdec.c b/libavcodec/vqcdec.c index dc9248d99f..dbcaba7b23 100644 --- a/libavcodec/vqcdec.c +++ b/libavcodec/vqcdec.c @@ -146,10 +146,13 @@ static int decode_vectors(VqcContext * s, const uint8_t * buf, int size, int wid GetBitContext gb; uint8_t * vectors = s->vectors; uint8_t * vectors_end = s->vectors + (width * height * 3) / 2; + int ret; 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++) { uint8_t * dst = vectors;