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| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-01-12 23:42:59 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-03-27 13:37:22 +0200 |
| commit | f380b1d22a67c053ff75f69f81f725de9f2fe1c3 (patch) | |
| tree | 25fd89304f693cb701c23c7a80d78559972db693 | |
| parent | bee5541a4430875a1707fa7fe3aa9d9c9beaad7b (diff) | |
| download | ffmpeg-f380b1d22a67c053ff75f69f81f725de9f2fe1c3.tar.gz | |
avcodec/motionpixels: Mask pixels to valid values
Fixes: out of array access
Fixes: 48567/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MOTIONPIXELS_fuzzer-6724203352555520
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ac6eec1fc258efce219e4fccb84312a1b13a7a23)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/motionpixels.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/motionpixels.c b/libavcodec/motionpixels.c index 7ac9634538..fc7b60c6ed 100644 --- a/libavcodec/motionpixels.c +++ b/libavcodec/motionpixels.c @@ -184,7 +184,7 @@ static YuvPixel mp_get_yuv_from_rgb(MotionPixelsContext *mp, int x, int y) int color; color = *(uint16_t *)&mp->frame->data[0][y * mp->frame->linesize[0] + x * 2]; - return mp_rgb_yuv_table[color]; + return mp_rgb_yuv_table[color & 0x7FFF]; } static void mp_set_rgb_from_yuv(MotionPixelsContext *mp, int x, int y, const YuvPixel *p) |