ffmpeg | branch: release/3.4 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Aug 26 02:26:24 2018 +0200| [ee8b4c16d792482b0bec75dbe4d1fdb01f236985] | committer: Michael Niedermayer
avcodec/ra144: Fix undefined integer overflow in add_wav() Fixes: signed integer overflow: -26884 * 91439 cannot be represented in type 'int' Fixes: 9687/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RA_144_fuzzer-4995588121690112 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 93a203662f6ff1bb9fd2e966bf7df27e9bdb1916) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ee8b4c16d792482b0bec75dbe4d1fdb01f236985 --- libavcodec/ra144.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/ra144.c b/libavcodec/ra144.c index cf8127c236..573703d70b 100644 --- a/libavcodec/ra144.c +++ b/libavcodec/ra144.c @@ -1516,7 +1516,7 @@ static void add_wav(int16_t *dest, int n, int skip_first, int *m, if (v[0]) { for (i=0; i < BLOCKSIZE; i++) - dest[i] = (s1[i]*v[0] + s2[i]*v[1] + s3[i]*v[2]) >> 12; + dest[i] = ((int)(s1[i]*(unsigned)v[0]) + s2[i]*v[1] + s3[i]*v[2]) >> 12; } else { for (i=0; i < BLOCKSIZE; i++) dest[i] = ( s2[i]*v[1] + s3[i]*v[2]) >> 12; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
