mirrors/ffmpeg
0
0 Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2026-10-28 10:04:37 +08:00
Code Activity

avfilter/vf_photosensitivity: blend only the visible part of the lines

Browse Source 
Fixes: out of array read
Fixes: Au41rSBM5kGS
Found during triage of the review of https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24765
Out of array read Replicated through UnModified FFmpeg with ASAN
This commit is contained in:
Michael Niedermayer authored and michaelni committed 2026-10-20 02:25:09 +00:00
1 parent 27f61c0ff5
commit 6a025044c7
1 file changed
+2 -2
Download Patch File Download Diff File Expand all files Collapse all files
libavfilter/vf_photosensitivity.c
+2 -2
View File
@@ -152,12 +152,12 @@ static int blend_frame_partial(AVFilterContext *ctx, void *arg, int jobnr, int n
const uint16_t t_mul = 0x100 - s_mul;
const int slice_start = ff_slice_pos(td->target->height, jobnr, nb_jobs);
const int slice_end = ff_slice_pos(td->target->height, jobnr + 1, nb_jobs);
const int linesize = td->target->linesize[0];
const int width = td->target->width * NUM_CHANNELS;
for (y = slice_start; y < slice_end; y++) {
t = td->target->data[0] + y * td->target->linesize[0];
s = td->source->data[0] + y * td->source->linesize[0];
for (x = 0; x < linesize; x++) {
for (x = 0; x < width; x++) {
*t = (*t * t_mul + *s * s_mul) >> 8;
t++; s++;
}