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Code Issues Releases Activity

avcodec/rv34: Add check for av_malloc

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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>
This commit is contained in:
Jiasheng Jiang
2023-04-17 10:32:12 +08:00
committed by James Almer
parent a3f49168dc
commit f8d0b13de5
1 changed files with 2 additions and 0 deletions
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2
libavcodec/rv34.c
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@@ -1692,6 +1692,8 @@ int ff_rv34_decode_frame(AVCodecContext *avctx, AVFrame *pict,
int i; int i;
r->tmp_b_block_base = av_malloc(s->linesize * 48); 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++) for (i = 0; i < 2; i++)
r->tmp_b_block_y[i] = r->tmp_b_block_base r->tmp_b_block_y[i] = r->tmp_b_block_base
+ i * 16 * s->linesize; + i * 16 * s->linesize;