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| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-01-12 23:42:59 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-02-23 23:34:24 +0100 |
| commit | ac6eec1fc258efce219e4fccb84312a1b13a7a23 (patch) | |
| tree | f990b6ed3087d66a515a2aa76edb1c9210a0311f | |
| parent | 95f0f84dae4f040d91f1e60dc5438612c58e8906 (diff) | |
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>
| -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 4141c5a495..a947ca05de 100644 --- a/libavcodec/motionpixels.c +++ b/libavcodec/motionpixels.c @@ -185,7 +185,7 @@ 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) |