RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

avcodec/wavpack: Fix integer overflow 

Fixes: runtime error: signed integer overflow: 227511904 + 1964113935 cannot be represented in type 'int'
Fixes: 2331/clusterfuzz-testcase-minimized-6182185830711296

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-06-23 01:58:48 +02:00
parent 0c2ef4f6b4
commit 24e95f9d4d
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/wavpack.c
View File

@ -225,7 +225,7 @@ static int wv_get_value(WavpackFrameContext *ctx, GetBitContext *gb,
INC_MED(1);
DEC_MED(2);
} else {
base = GET_MED(0) + GET_MED(1) + GET_MED(2) * (t - 2);
base = GET_MED(0) + GET_MED(1) + GET_MED(2) * (t - 2U);
add = GET_MED(2) - 1;
INC_MED(0);
INC_MED(1);