ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu Sep 19 22:32:36 2024 +0200| [9d25b9665edb45c31ad6dda9612fd6e63fc289f3] | committer: Michael Niedermayer
avcodec/cbs_h266_syntax_template: Check bit depth with range extension Fixes: shift exponent 62 is too large for 32-bit type 'int' Fixes: 71020/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VVC_fuzzer-6444916325023744 Fixes: 71285/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VVC_fuzzer-4761971281428480 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9d25b9665edb45c31ad6dda9612fd6e63fc289f3 --- libavcodec/cbs_h266_syntax_template.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/cbs_h266_syntax_template.c b/libavcodec/cbs_h266_syntax_template.c index 0704da1d40..b4165b43b3 100644 --- a/libavcodec/cbs_h266_syntax_template.c +++ b/libavcodec/cbs_h266_syntax_template.c @@ -1645,6 +1645,8 @@ static int FUNC(sps)(CodedBitstreamContext *ctx, RWContext *rw, ub(7, sps_extension_7bits); if (current->sps_range_extension_flag) { + if (current->sps_bitdepth_minus8 <= 10 - 8) + return AVERROR_INVALIDDATA; CHECK(FUNC(sps_range_extension)(ctx, rw, current)); } else { infer(sps_extended_precision_flag, 0); _______________________________________________ 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".
