ffmpeg | branch: release/4.4 | Michael Niedermayer <[email protected]> | Sat Dec 4 22:32:57 2021 +0100| [8720b1b4801c4b09c1669ffef591be3af7683f9e] | committer: Michael Niedermayer
avformat/mxfdec: Check component_depth in mxf_get_color_range() Fixes: shift exponent 4294967163 is too large for 32-bit type 'int' Fixes: 41449/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-6183636217495552 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Tomas Härdin <[email protected]> Signed-off-by: Michael Niedermayer <[email protected]> (cherry picked from commit a4af92d7cb044424d31a99fc2f8a091f882036a5) Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8720b1b4801c4b09c1669ffef591be3af7683f9e --- libavformat/mxfdec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c index 50174fcd5f..b8f83541c6 100644 --- a/libavformat/mxfdec.c +++ b/libavformat/mxfdec.c @@ -2253,12 +2253,12 @@ static enum AVColorRange mxf_get_color_range(MXFContext *mxf, MXFDescriptor *des /* CDCI range metadata */ if (!descriptor->component_depth) return AVCOL_RANGE_UNSPECIFIED; - if (descriptor->black_ref_level == 0 && + if (descriptor->black_ref_level == 0 && descriptor->component_depth < 31 && descriptor->white_ref_level == ((1<<descriptor->component_depth) - 1) && (descriptor->color_range == (1<<descriptor->component_depth) || descriptor->color_range == ((1<<descriptor->component_depth) - 1))) return AVCOL_RANGE_JPEG; - if (descriptor->component_depth >= 8 && + if (descriptor->component_depth >= 8 && descriptor->component_depth < 31 && descriptor->black_ref_level == (1 <<(descriptor->component_depth - 4)) && descriptor->white_ref_level == (235<<(descriptor->component_depth - 8)) && descriptor->color_range == ((14<<(descriptor->component_depth - 4)) + 1)) _______________________________________________ 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".
