ffmpeg | branch: release/4.3 | Jiasheng Jiang <jiash...@iscas.ac.cn> | Tue Feb
15 17:58:08 2022 +0800| [7694a44baaaa4786995590a8ba2b16acd8ef8177] | committer:
James Almer
avcodec/vp3: Add missing check for av_malloc
Since the av_malloc() may fail and return NULL pointer,
it is needed that the 's->edge_emu_buffer' should be checked
whether the new allocation is success.
Fixes: d14723861b ("VP3: fix decoding of videos with stride > 2048")
Reviewed-by: Peter Ross <pr...@xvid.org>
Signed-off-by: Jiasheng Jiang <jiash...@iscas.ac.cn>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7694a44baaaa4786995590a8ba2b16acd8ef8177
---
libavcodec/vp3.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c
index 49d4911fb3..65907e8d04 100644
--- a/libavcodec/vp3.c
+++ b/libavcodec/vp3.c
@@ -2733,8 +2733,13 @@ static int vp3_decode_frame(AVCodecContext *avctx,
if ((ret = ff_thread_get_buffer(avctx, &s->current_frame,
AV_GET_BUFFER_FLAG_REF)) < 0)
goto error;
- if (!s->edge_emu_buffer)
+ if (!s->edge_emu_buffer) {
s->edge_emu_buffer = av_malloc(9 *
FFABS(s->current_frame.f->linesize[0]));
+ if (!s->edge_emu_buffer) {
+ ret = AVERROR(ENOMEM);
+ goto error;
+ }
+ }
if (s->keyframe) {
if (!s->theora) {
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