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>

diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index f435a520c8b4201b50d5387d87e6abf5e5a4329d..233b8525ceabd14eec5ffc96e74ccad608d0bd02 100644 (file)
--- a/libavcodec/mpeg4videodec.c
+++ b/libavcodec/mpeg4videodec.c
@@ -402,7 +402,7 @@ 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 ||