ffmpeg | branch: release/4.2 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Jun 7 19:24:10 2020 +0200| [7a00fd49649e40a17cf567e0e48be61c0c24e4c5] | committer: Michael Niedermayer
avcodec/lossless_audiodsp: Fix undefined overflows in scalarproduct_and_madd_int16_c() Fixes: signed integer overflow: 2142077091 + 6881070 cannot be represented in type 'int' Fixes: 22737/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5958388889681920 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 c0dfe134beefde4070d43910518b1f4a58f01794) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7a00fd49649e40a17cf567e0e48be61c0c24e4c5 --- libavcodec/lossless_audiodsp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/lossless_audiodsp.c b/libavcodec/lossless_audiodsp.c index 3a9f9b20bb..378165924d 100644 --- a/libavcodec/lossless_audiodsp.c +++ b/libavcodec/lossless_audiodsp.c @@ -27,7 +27,7 @@ static int32_t scalarproduct_and_madd_int16_c(int16_t *v1, const int16_t *v2, const int16_t *v3, int order, int mul) { - int res = 0; + unsigned res = 0; do { res += *v1 * *v2++; _______________________________________________ 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".
