ffmpeg | branch: release/4.4 | Michael Niedermayer <mich...@niedermayer.cc> | Tue Sep 28 00:11:50 2021 +0200| [bda2d4989609e6be284575c5bc55a6deba3034d7] | committer: Michael Niedermayer
avcodec/apedec: Fix undefined integer overflow in long_filter_ehigh_3830() Fixes: signed integer overflow: -2145648640 - 3357696 cannot be represented in type 'int' Fixes: 38899/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5358815017566208 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 ad517ee6e44f093e28021ffd51c7eb2e1394b1a9) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bda2d4989609e6be284575c5bc55a6deba3034d7 --- libavcodec/apedec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c index 904e433a3d..3ce4484686 100644 --- a/libavcodec/apedec.c +++ b/libavcodec/apedec.c @@ -979,7 +979,7 @@ static void long_filter_ehigh_3830(int32_t *buffer, int length) for (j = 7; j > 0; j--) delay[j] = delay[j - 1]; delay[0] = buffer[i]; - buffer[i] -= dotprod >> 9; + buffer[i] -= (unsigned)(dotprod >> 9); } } _______________________________________________ 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".
