From f8d0b13de5fe1a3d158dcc6f419c45c368b1dd4f Mon Sep 17 00:00:00 2001 From: Jiasheng Jiang Date: Mon, 17 Apr 2023 10:32:12 +0800 Subject: [PATCH] avcodec/rv34: Add check for av_malloc Add the check for the return value of the av_malloc in order to avoid NULL pointer deference. Fixes: b86ab38137 ("Add weighted motion compensation for RV40 B-frames") Signed-off-by: Jiasheng Jiang --- libavcodec/rv34.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/rv34.c b/libavcodec/rv34.c index 45f64666f8..51f18147af 100644 --- a/libavcodec/rv34.c +++ b/libavcodec/rv34.c @@ -1692,6 +1692,8 @@ int ff_rv34_decode_frame(AVCodecContext *avctx, AVFrame *pict, int i; r->tmp_b_block_base = av_malloc(s->linesize * 48); + if (!r->tmp_b_block_base) + return AVERROR(ENOMEM); for (i = 0; i < 2; i++) r->tmp_b_block_y[i] = r->tmp_b_block_base + i * 16 * s->linesize;