17 lines
860 B
Plaintext
17 lines
860 B
Plaintext
$OpenBSD: patch-src_libFLAC_stream_encoder_c,v 1.1 2013/07/18 15:10:55 naddy Exp $
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Fix an arithmetic overflow in the RICE2 partitioner.
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https://git.xiph.org/?p=flac.git;a=commit;h=6f7ec60c7e7f05f5ab0b1cf6b7b0945e44afcd4b
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--- src/libFLAC/stream_encoder.c.orig Sun May 26 11:30:33 2013
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+++ src/libFLAC/stream_encoder.c Thu Jul 18 16:39:48 2013
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@@ -3784,7 +3784,7 @@ void precompute_partition_info_sums_(
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/* slightly pessimistic but still catches all common cases */
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/* WATCHOUT: "+ bps" is an assumption that the average residual magnitude will not be more than "bps" bits */
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if(FLAC__bitmath_ilog2(default_partition_samples) + bps < 32) {
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- FLAC__uint32 abs_residual_partition_sum;
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+ FLAC__uint64 abs_residual_partition_sum;
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for(partition = residual_sample = 0; partition < partitions; partition++) {
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end += default_partition_samples;
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