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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-10-18 01:19:36 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-10-23 01:00:10 +0200 |
| commit | 6e14fc4aa1a27790944d4791c5592a2fcdd727db (patch) | |
| tree | 23d47cc0eb380ae227c6790529033fbb06b16762 | |
| parent | 1061a2e2efa927a50a6f01babcd682803f2bddec (diff) | |
| download | ffmpeg-6e14fc4aa1a27790944d4791c5592a2fcdd727db.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 f9ec0fd0c9..8064f1eb40 100644 --- a/libavcodec/mpeg4videodec.c +++ b/libavcodec/mpeg4videodec.c @@ -400,7 +400,7 @@ 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 || |