From b8d75b8ebc8fdfdc18fe768db8502ea65fa22c98 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 28 Apr 2024 21:09:45 +0200 Subject: [PATCH] avcodec/ac3_parser: Check init_get_bits8() for failure Fixes: CID1420393 Unchecked return value Sponsored-by: Sovereign Tech Fund Reviewed-by: Lynne Signed-off-by: Michael Niedermayer (cherry picked from commit 63415168dbd96475372e37ae0fd47bafe151e2f0) Signed-off-by: Michael Niedermayer --- libavcodec/ac3_parser.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/libavcodec/ac3_parser.c b/libavcodec/ac3_parser.c index 13b8d3b7d8..283139288c 100644 --- a/libavcodec/ac3_parser.c +++ b/libavcodec/ac3_parser.c @@ -204,7 +204,9 @@ int av_ac3_parse_header(const uint8_t *buf, size_t size, AC3HeaderInfo hdr; int err; - init_get_bits8(&gb, buf, size); + err = init_get_bits8(&gb, buf, size); + if (err < 0) + return AVERROR_INVALIDDATA; err = ff_ac3_parse_header(&gb, &hdr); if (err < 0) return AVERROR_INVALIDDATA;