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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-04-27 20:16:13 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-07-08 19:45:46 +0200 |
| commit | 8878f43cf573dd104024052633d5779b6f3b48f9 (patch) | |
| tree | a95c30093f6fe0919b3008fe685d90524c908fed | |
| parent | 45b45ce240a510b599528a1567070af1e3be0237 (diff) | |
| download | ffmpeg-8878f43cf573dd104024052633d5779b6f3b48f9.tar.gz | |
avcodec/g2meet: Check RGB upper limit
Fixes: runtime error: left shift of 1876744317 by 16 places cannot be represented in type 'int'
Fixes: 6799/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-5115274731716608
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 4dd2c8b9ea46b4e008a8bfc2077834428cd5a17c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/g2meet.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/g2meet.c b/libavcodec/g2meet.c index 4b65a075df..729b19d23d 100644 --- a/libavcodec/g2meet.c +++ b/libavcodec/g2meet.c @@ -555,7 +555,7 @@ static uint32_t epic_decode_pixel_pred(ePICContext *dc, int x, int y, B = ((pred >> B_shift) & 0xFF) - TOSIGNED(delta); } - if (R<0 || G<0 || B<0) { + if (R<0 || G<0 || B<0 || R > 255 || G > 255 || B > 255) { av_log(NULL, AV_LOG_ERROR, "RGB %d %d %d is out of range\n", R, G, B); return 0; } |