ffmpeg | branch: release/2.8 | Michael Niedermayer <mich...@niedermayer.cc> | Tue Jun 5 02:09:59 2018 +0200| [ea0734e3f011964e12da5f7d8dacf4a86670cbf0] | committer: Michael Niedermayer
avcodec/truemotion2: Fix overflow in tm2_apply_deltas() Fixes: signed integer overflow: 1077952576 + 1077952576 cannot be represented in type 'int' Fixes: 7712/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5056281753681920 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 79c6047c3668c639f717b3a7001a34dddba0ede2) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ea0734e3f011964e12da5f7d8dacf4a86670cbf0 --- libavcodec/truemotion2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/truemotion2.c b/libavcodec/truemotion2.c index dbcef42462..d290326bf5 100644 --- a/libavcodec/truemotion2.c +++ b/libavcodec/truemotion2.c @@ -443,7 +443,7 @@ static inline int GET_TOK(TM2Context *ctx,int type) /* common operations - add deltas to 4x4 block of luma or 2x2 blocks of chroma */ static inline void tm2_apply_deltas(TM2Context *ctx, int* Y, int stride, int *deltas, int *last) { - int ct, d; + unsigned ct, d; int i, j; for (j = 0; j < 4; j++){ _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
