[FFmpeg-cvslog] avcodec/avs3_parser: assert the return value of init_get_bits()

[Michael Niedermayer]

ffmpeg | branch: release/6.1 | Michael Niedermayer <michael at niedermayer.cc> | Wed May  1 21:17:25 2024 +0200| [77d5f217f3cc82442cdbc9aed41a0d4a5ece9398] | committer: Michael Niedermayer

avcodec/avs3_parser: assert the return value of init_get_bits()

Fixes: CID1492867 Unchecked return value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit f9218e4d52e16494ed816651a110dfe0ad22638c)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=77d5f217f3cc82442cdbc9aed41a0d4a5ece9398
---

 libavcodec/avs3_parser.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/avs3_parser.c b/libavcodec/avs3_parser.c
index a819b5783d..ea495b1c7c 100644
--- a/libavcodec/avs3_parser.c
+++ b/libavcodec/avs3_parser.c
@@ -73,7 +73,8 @@ static void parse_avs3_nal_units(AVCodecParserContext *s, const uint8_t *buf,
             GetBitContext gb;
             int profile, ratecode, low_delay;
 
-            init_get_bits8(&gb, buf + 4, buf_size - 4);
+            av_unused int ret = init_get_bits(&gb, buf + 4, 100);
+            av_assert1(ret >= 0);
 
             s->key_frame = 1;
             s->pict_type = AV_PICTURE_TYPE_I;