ffmpeg | branch: release/4.0 | Michael Niedermayer <mich...@niedermayer.cc> | Fri Sep 21 02:36:50 2018 +0200| [d7973cf03d07d002b3ded68b5358f4239c7e0de1] | committer: Michael Niedermayer
avcodec/ac3dec: Fix shift signedness in mask creation Fixes: 9924/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EAC3_fuzzer-5473421772193792 Fixes: left shift of 1 by 63 places cannot be represented in type 'long long' 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 148a21611d856609fc034147f4a27cfdb6d90ff4) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d7973cf03d07d002b3ded68b5358f4239c7e0de1 --- libavcodec/ac3dec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c index eed8ce5b39..43b22b7654 100644 --- a/libavcodec/ac3dec.c +++ b/libavcodec/ac3dec.c @@ -1708,9 +1708,9 @@ dependent_frame: int i; for (i = 0; i < 64; i++) { - if ((1LL << i) & ff_eac3_custom_channel_map_locations[ch][1]) { + if ((1ULL << i) & ff_eac3_custom_channel_map_locations[ch][1]) { int index = av_get_channel_layout_channel_index(channel_layout, - 1LL << i); + 1ULL << i); if (index < 0) return AVERROR_INVALIDDATA; if (extend >= channel_map_size) _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
