ffmpeg | branch: release/3.1 | Michael Niedermayer <mich...@niedermayer.cc> | Sun May 28 17:12:35 2017 +0200| [b778eb8d64c2143eef04d470e76f2a701bdc2b32] | committer: Michael Niedermayer
avcodec/snow: Fix runtime error: signed integer overflow: 1086573993 + 1086573994 cannot be represented in type 'int' Fixes: 1871/clusterfuzz-testcase-minimized-5719950331215872 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 b9c032ebc0ad17ac0ffefb915ff96baf9d79cab1) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b778eb8d64c2143eef04d470e76f2a701bdc2b32 --- libavcodec/snow.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavcodec/snow.h b/libavcodec/snow.h index 59c710b5f9..f7ed1f82e7 100644 --- a/libavcodec/snow.h +++ b/libavcodec/snow.h @@ -540,7 +540,8 @@ static inline int get_symbol(RangeCoder *c, uint8_t *state, int is_signed){ if(get_rac(c, state+0)) return 0; else{ - int i, e, a; + int i, e; + unsigned a; e= 0; while(get_rac(c, state+1 + FFMIN(e,9))){ //1..10 e++; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
