ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Sat Aug 17 01:15:02 2024 +0200| [043875941fcf55fc0d1cdee15ccb84b45e17330c] | committer: Michael Niedermayer
avcodec/cbs_h265_syntax_template: Fixes: Assertion width > 0 && width <= 32 failed Fixes: 71012/clusterfuzz-testcase-minimized-ffmpeg_BSF_HEVC_METADATA_fuzzer-6073354744823808 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=043875941fcf55fc0d1cdee15ccb84b45e17330c --- libavcodec/cbs_h265_syntax_template.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/libavcodec/cbs_h265_syntax_template.c b/libavcodec/cbs_h265_syntax_template.c index 12fa185c77..9f0281b8e8 100644 --- a/libavcodec/cbs_h265_syntax_template.c +++ b/libavcodec/cbs_h265_syntax_template.c @@ -2307,6 +2307,12 @@ SEI_FUNC(sei_3d_reference_displays_info, (CodedBitstreamContext *ctx, RWContext else length = FFMAX(0, (int)current->exponent_ref_display_width[i] + (int)current->prec_ref_display_width - 31); + + if (length > 32) { + av_log(ctx->log_ctx, AV_LOG_ERROR, "refDispWidthBits > 32 is not supported\n"); + return AVERROR_PATCHWELCOME; + } + if (length) ubs(length, mantissa_ref_display_width[i], 1, i); else @@ -2318,6 +2324,12 @@ SEI_FUNC(sei_3d_reference_displays_info, (CodedBitstreamContext *ctx, RWContext else length = FFMAX(0, (int)current->exponent_ref_viewing_distance[i] + (int)current->prec_ref_viewing_dist - 31); + + if (length > 32) { + av_log(ctx->log_ctx, AV_LOG_ERROR, "refViewDistBits > 32 is not supported\n"); + return AVERROR_PATCHWELCOME; + } + if (length) ubs(length, mantissa_ref_viewing_distance[i], 1, i); else _______________________________________________ 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".
