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avfilter/vf_transpose: fix un-checked potential memory allocation failure

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Signed-off-by: Wu Jianhua <jianhua.wu@intel.com>
This commit is contained in:
Wu Jianhua 2021-12-09 17:36:52 +08:00 committed by Lynne
parent 4f44a218e5
commit ceeff7ae8d
1 changed files with 12 additions and 3 deletions
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15
libavfilter/vf_transpose.c
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@ -328,6 +328,7 @@ static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr,
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
{
int err = 0;
AVFilterContext *ctx = inlink->dst;
TransContext *s = ctx->priv;
AVFilterLink *outlink = ctx->outputs[0];
@ -339,10 +340,13 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out) {
av_frame_free(&in);
return AVERROR(ENOMEM);
err = AVERROR(ENOMEM);
goto fail;
}
av_frame_copy_props(out, in);
err = av_frame_copy_props(out, in);
if (err < 0)
goto fail;
if (in->sample_aspect_ratio.num == 0) {
out->sample_aspect_ratio = in->sample_aspect_ratio;
@ -356,6 +360,11 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
FFMIN(outlink->h, ff_filter_get_nb_threads(ctx)));
av_frame_free(&in);
return ff_filter_frame(outlink, out);
fail:
av_frame_free(&in);
av_frame_free(&out);
return err;
}
#define OFFSET(x) offsetof(TransContext, x)