[FFmpeg-cvslog] avcodec/libuavs3d: fix access uninitialized variable when draining
Zhao Zhili
git at videolan.org
Mon May 23 06:01:11 EEST 2022
ffmpeg | branch: master | Zhao Zhili <quinkblack at foxmail.com> | Thu May 12 17:55:31 2022 +0800| [a12ebbbcaa07b0ce77c413146ac0120e3f4f3a8d] | committer: Zhao Zhili
avcodec/libuavs3d: fix access uninitialized variable when draining
buf_ptr is uninitialized and accessed when function return.
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a12ebbbcaa07b0ce77c413146ac0120e3f4f3a8d
---
libavcodec/libuavs3d.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/libavcodec/libuavs3d.c b/libavcodec/libuavs3d.c
index 6966e00b62..23de4c8cd5 100644
--- a/libavcodec/libuavs3d.c
+++ b/libavcodec/libuavs3d.c
@@ -149,7 +149,7 @@ static int libuavs3d_decode_frame(AVCodecContext *avctx, AVFrame *frm,
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
const uint8_t *buf_end;
- const uint8_t *buf_ptr;
+ const uint8_t *buf_ptr = buf;
int left_bytes;
int ret, finish = 0;
@@ -170,7 +170,6 @@ static int libuavs3d_decode_frame(AVCodecContext *avctx, AVFrame *frm,
} else {
uavs3d_io_frm_t *frm_dec = &h->dec_frame;
- buf_ptr = buf;
buf_end = buf + buf_size;
frm_dec->pkt_pos = avpkt->pos;
frm_dec->pkt_size = avpkt->size;
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