From a12ebbbcaa07b0ce77c413146ac0120e3f4f3a8d Mon Sep 17 00:00:00 2001 From: Zhao Zhili Date: Thu, 12 May 2022 17:55:31 +0800 Subject: [PATCH] avcodec/libuavs3d: fix access uninitialized variable when draining buf_ptr is uninitialized and accessed when function return. --- 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;