[FFmpeg-devel] [PATCH] avformat/hevc: zero initialize the nal buffers past the last written byte

[James Almer]

Prevents use of uninitialized values.

Fixes ticket #7038.

Signed-off-by: James Almer <jamr...@gmail.com>
---
 libavformat/hevc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavformat/hevc.c b/libavformat/hevc.c
index e45d2c08d2..3628d5a028 100644
--- a/libavformat/hevc.c
+++ b/libavformat/hevc.c
@@ -669,6 +669,8 @@ static uint8_t *nal_unit_extract_rbsp(const uint8_t *src, 
uint32_t src_len,
     while (i < src_len)
         dst[len++] = src[i++];
 
+    memset(dst + len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
+
     *dst_len = len;
     return dst;
 }
-- 
2.16.2

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