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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-10-18 01:19:36 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-11-01 00:52:46 +0100 |
| commit | 947f7af04821555f6ee935e5735560daabbe9a14 (patch) | |
| tree | 43fbbe07a00a116a7e874715e3ecb41f3568b6a3 | |
| parent | 65710b7e6c89131ed4ea9be7799b8a804505e4d0 (diff) | |
| download | ffmpeg-947f7af04821555f6ee935e5735560daabbe9a14.tar.gz | |
avcodec/mpeg4videodec: Fix typo in sprite delta check
Fixes: Integer overflow
Fixes: 10890/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-5636062181851136
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 b737317a8813e671c00b8ac7023c47e48ffeb1c8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/mpeg4videodec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c index 91a0d726f9..d241c58e8a 100644 --- a/libavcodec/mpeg4videodec.c +++ b/libavcodec/mpeg4videodec.c @@ -392,7 +392,7 @@ static int mpeg4_decode_sprite_trajectory(Mpeg4DecContext *ctx, GetBitContext *g llabs(sprite_offset[0][i] + sprite_delta[i][1] * (h+16LL)) >= INT_MAX || llabs(sprite_offset[0][i] + sprite_delta[i][0] * (w+16LL) + sprite_delta[i][1] * (h+16LL)) >= INT_MAX || llabs(sprite_delta[i][0] * (w+16LL)) >= INT_MAX || - llabs(sprite_delta[i][1] * (w+16LL)) >= INT_MAX || + llabs(sprite_delta[i][1] * (h+16LL)) >= INT_MAX || llabs(sd[0]) >= INT_MAX || llabs(sd[1]) >= INT_MAX || llabs(sprite_offset[0][i] + sd[0] * (w+16LL)) >= INT_MAX || |