From b9ba036680b4164f6e415a85877dfa659ae4dde1 Mon Sep 17 00:00:00 2001 From: Jiasheng Jiang Date: Mon, 17 Apr 2023 10:32:51 +0800 Subject: [PATCH] avcodec/msvideo1enc: Add check for av_malloc Add the check for the return value of the av_malloc in order to avoid NULL pointer deference. Fixes: e4be3485af ("MS Video 1 encoder") Signed-off-by: Jiasheng Jiang --- libavcodec/msvideo1enc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/msvideo1enc.c b/libavcodec/msvideo1enc.c index 36cfd39a85..1fb8be8883 100644 --- a/libavcodec/msvideo1enc.c +++ b/libavcodec/msvideo1enc.c @@ -84,6 +84,8 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, if(!c->prev) c->prev = av_malloc(avctx->width * 3 * (avctx->height + 3)); + if (!c->prev) + return AVERROR(ENOMEM); prevptr = c->prev + avctx->width * 3 * (FFALIGN(avctx->height, 4) - 1); src = (const uint16_t*)(p->data[0] + p->linesize[0]*(FFALIGN(avctx->height, 4) - 1)); if(c->keyint >= avctx->keyint_min)