[FFmpeg-cvslog] avcodec/mpeg4videodec: Fix typo in sprite delta check

[Michael Niedermayer]

ffmpeg | branch: release/3.4 | Michael Niedermayer <michael at niedermayer.cc> | Thu Oct 18 01:19:36 2018 +0200| [6763ff890e41fb6669ce2cbc1ec1108d12641318] | committer: Michael Niedermayer

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 at niedermayer.cc>
(cherry picked from commit b737317a8813e671c00b8ac7023c47e48ffeb1c8)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6763ff890e41fb6669ce2cbc1ec1108d12641318
---

 libavcodec/mpeg4videodec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 ||