[FFmpeg-devel] [PATCH] avcodec/mediacodecenc: Fix access of uninitialized value

[Zhao Zhili]

From: Zhao Zhili <zhilizhao at tencent.com>

When crop is skipped, av_strlcatf will access `str` which isn't
initialized properly.
---
 libavcodec/mediacodecenc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/mediacodecenc.c b/libavcodec/mediacodecenc.c
index 6ca3968a24..e76ea81236 100644
--- a/libavcodec/mediacodecenc.c
+++ b/libavcodec/mediacodecenc.c
@@ -134,7 +134,7 @@ static int extract_extradata_support(AVCodecContext *avctx)
 static int mediacodec_init_bsf(AVCodecContext *avctx)
 {
     MediaCodecEncContext *s = avctx->priv_data;
-    char str[128];
+    char str[128] = {0};
     int ret;
     int crop_right = s->width - avctx->width;
     int crop_bottom = s->height - avctx->height;
-- 
2.46.0