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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-10-18 02:19:36 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-10-23 01:53:45 +0300 |
| commit | d74cd4d69ab7bfb0bf7042115ae3d0d5f290889f (patch) | |
| tree | c667a88aa06c6d106cafbdf4428a7934b6792c87 /libavcodec/mpeg4videodec.c | |
| parent | 89a8b69e9bf658383aacbda7f372191385ae2bd4 (diff) | |
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>
Diffstat (limited to 'libavcodec/mpeg4videodec.c')
| -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 936406d2d1..d2340d15ae 100644 --- a/libavcodec/mpeg4videodec.c +++ b/libavcodec/mpeg4videodec.c @@ -391,7 +391,7 @@ 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 || |