ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Thu Sep 24 21:59:04 2020 +0200| [4f54f530039db149808478796e8389c14eb73095] | committer: Michael Niedermayer
avcodec/takdsp: Fix negative shift in decorrelate_sf() Fixes: left shift of negative value -4 Fixes: 25723/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TAK_fuzzer-6250580752990208 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4f54f530039db149808478796e8389c14eb73095 --- libavcodec/takdsp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/takdsp.c b/libavcodec/takdsp.c index 2441c2baa6..9cb8052596 100644 --- a/libavcodec/takdsp.c +++ b/libavcodec/takdsp.c @@ -65,7 +65,7 @@ static void decorrelate_sf(int32_t *p1, int32_t *p2, int length, int dshift, int for (i = 0; i < length; i++) { int32_t a = p1[i]; int32_t b = p2[i]; - b = dfactor * (b >> dshift) + 128 >> 8 << dshift; + b = (unsigned)(dfactor * (b >> dshift) + 128 >> 8) << dshift; p1[i] = b - a; } } _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
