From 0667c14ad61d9fbfac7c92000278be769420fa9a Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 9 Nov 2019 21:19:24 +0100 Subject: [PATCH] avcodec/g729dec: require buf_size to be non 0 The 0 case was added with the support for multiple packets. It appears unintended and causes extra complexity and out of array accesses (though within padding) No testcase Signed-off-by: Michael Niedermayer (cherry picked from commit f64be9da4c8b16071ec84056a61d1fc0d5d6728c) Signed-off-by: Michael Niedermayer --- libavcodec/g729dec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/g729dec.c b/libavcodec/g729dec.c index 32218e5989..908c12a73a 100644 --- a/libavcodec/g729dec.c +++ b/libavcodec/g729dec.c @@ -416,7 +416,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr, return ret; out_frame = (int16_t*) frame->data[0]; - if (buf_size % 10 == 0) { + if (buf_size && buf_size % 10 == 0) { packet_type = FORMAT_G729_8K; format = &format_g729_8k; //Reset voice decision