ffmpeg | branch: release/4.0 | Michael Niedermayer <mich...@niedermayer.cc> | Sat Mar 16 02:30:57 2019 +0100| [d34202f4f036eb68f5b131138c167e79b5d97aa2] | committer: Michael Niedermayer
avcodec/truemotion2: Fix integer overflow in tm2_null_res_block() Fixes: signed integer overflow: 1111638592 - -2122219136 cannot be represented in type 'int' Fixes: 13441/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5732769815068672 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 1223696c725a8ea7e80498e6ccfab37eea179b76) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d34202f4f036eb68f5b131138c167e79b5d97aa2 --- libavcodec/truemotion2.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavcodec/truemotion2.c b/libavcodec/truemotion2.c index 2945d9948d..bc3f16827c 100644 --- a/libavcodec/truemotion2.c +++ b/libavcodec/truemotion2.c @@ -587,7 +587,8 @@ static inline void tm2_null_res_block(TM2Context *ctx, AVFrame *pic, int bx, int { int i; int ct; - int left, right, diff; + unsigned left, right; + int diff; int deltas[16]; TM2_INIT_POINTERS(); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
