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| author | Pavel Koshevoy <pkoshevoy@gmail.com> | 2024-11-09 10:05:16 -0700 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2024-11-09 19:33:56 -0300 |
| commit | 7b302f4db7d335f4dd42cffb461b2b0db6c00749 (patch) | |
| tree | 655832992ded35731e2c2b9a2a7c4485e9119e26 | |
| parent | f15fc27db5b30365f2aec474bae9b8095d6d2197 (diff) | |
| download | ffmpeg-7b302f4db7d335f4dd42cffb461b2b0db6c00749.tar.gz | |
lavfi/vf_zscale: fix tmp buffer ptr alignment for zimg_filter_graph_process
Signed-off-by: James Almer <jamrial@gmail.com>
| -rw-r--r-- | libavfilter/vf_zscale.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/libavfilter/vf_zscale.c b/libavfilter/vf_zscale.c index 4ba059064b..219d178b16 100644 --- a/libavfilter/vf_zscale.c +++ b/libavfilter/vf_zscale.c @@ -628,9 +628,12 @@ static int graphs_build(AVFrame *in, AVFrame *out, const AVPixFmtDescriptor *des if (ret) return print_zimg_error(ctx); + if (size > (SIZE_MAX - ZIMG_ALIGNMENT)) + return AVERROR(ENOMEM); + if (s->tmp[job_nr]) av_freep(&s->tmp[job_nr]); - s->tmp[job_nr] = av_calloc(size, 1); + s->tmp[job_nr] = av_mallocz(size + ZIMG_ALIGNMENT); if (!s->tmp[job_nr]) return AVERROR(ENOMEM); @@ -750,7 +753,9 @@ static int filter_slice(AVFilterContext *ctx, void *data, int job_nr, int n_jobs } if (!s->graph[job_nr]) return AVERROR(EINVAL); - ret = zimg_filter_graph_process(s->graph[job_nr], &src_buf, &dst_buf, s->tmp[job_nr], 0, 0, 0, 0); + ret = zimg_filter_graph_process(s->graph[job_nr], &src_buf, &dst_buf, + (uint8_t *)FFALIGN((uintptr_t)s->tmp[job_nr], ZIMG_ALIGNMENT), + 0, 0, 0, 0); if (ret) return print_zimg_error(ctx); @@ -765,7 +770,9 @@ static int filter_slice(AVFilterContext *ctx, void *data, int job_nr, int n_jobs if (!s->alpha_graph[job_nr]) return AVERROR(EINVAL); - ret = zimg_filter_graph_process(s->alpha_graph[job_nr], &src_buf, &dst_buf, s->tmp[job_nr], 0, 0, 0, 0); + ret = zimg_filter_graph_process(s->alpha_graph[job_nr], &src_buf, &dst_buf, + (uint8_t *)FFALIGN((uintptr_t)s->tmp[job_nr], ZIMG_ALIGNMENT), + 0, 0, 0, 0); if (ret) return print_zimg_error(ctx); } |