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authorMichael Niedermayer <michael@niedermayer.cc>2018-10-18 01:19:36 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2018-10-23 01:44:41 +0200
commit9c1bb7e8debdbcd8f7786c381e1f90bec9f74a45 (patch)
tree10c5a2669c932d6190fcebd9cde801521155775c
parentf9cfdf2baefd89fd6ef55afb0832aa1e2155a3b9 (diff)
downloadffmpeg-9c1bb7e8debdbcd8f7786c381e1f90bec9f74a45.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.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index 3066958318..7713a2194a 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 ||