From: Jiasheng Jiang <jiasheng@iscas.ac.cn>
To: ffmpeg-devel@ffmpeg.org
Cc: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Subject: [FFmpeg-devel] [PATCH] avcodec/rv34: Add check for av_malloc
Date: Mon, 17 Apr 2023 10:32:12 +0800
Message-ID: <20230417023212.46507-1-jiasheng@iscas.ac.cn> (raw)
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 <jiasheng@iscas.ac.cn>
---
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;
--
2.25.1
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next reply other threads:[~2023-04-17 2:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-17 2:32 Jiasheng Jiang [this message]
2023-04-17 2:38 ` James Almer
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