From 17770189de7dd2790cfaad0c0287a6b979b04678 Mon Sep 17 00:00:00 2001 From: Sebastiaan van Stijn Date: Tue, 24 Oct 2023 14:30:59 +0200 Subject: [PATCH] vendor: github.com/klauspost/compress v1.17.2 fixes data corruption with zstd output in "best" - 1.17.2 diff: https://github.com/klauspost/compress/compare/v1.17.1...v1.17.2 - full diff: https://github.com/klauspost/compress/compare/v1.16.5...v1.17.2 Signed-off-by: Sebastiaan van Stijn (cherry picked from commit 6372c6aae641c8c0e0ca14d187ef4872731431f9) Signed-off-by: Sebastiaan van Stijn --- vendor.mod | 2 +- vendor.sum | 4 +- .../klauspost/compress/.goreleaser.yml | 20 +- .../github.com/klauspost/compress/README.md | 29 ++ .../github.com/klauspost/compress/SECURITY.md | 25 ++ .../klauspost/compress/fse/bitwriter.go | 3 +- .../klauspost/compress/fse/compress.go | 3 +- .../klauspost/compress/huff0/bitwriter.go | 11 +- .../klauspost/compress/huff0/compress.go | 20 +- .../klauspost/compress/huff0/decompress.go | 2 +- .../compress/internal/snapref/encode_other.go | 12 - .../klauspost/compress/zstd/README.md | 2 +- .../klauspost/compress/zstd/bitreader.go | 34 +- .../klauspost/compress/zstd/bitwriter.go | 3 +- .../klauspost/compress/zstd/blockdec.go | 2 +- .../klauspost/compress/zstd/blockenc.go | 29 +- .../compress/zstd/decoder_options.go | 2 +- .../klauspost/compress/zstd/dict.go | 379 +++++++++++++++++- .../klauspost/compress/zstd/enc_base.go | 1 + .../klauspost/compress/zstd/enc_best.go | 11 +- .../klauspost/compress/zstd/enc_dfast.go | 2 +- .../klauspost/compress/zstd/enc_fast.go | 17 +- .../klauspost/compress/zstd/encoder.go | 13 +- .../compress/zstd/encoder_options.go | 2 +- .../klauspost/compress/zstd/framedec.go | 8 +- .../klauspost/compress/zstd/frameenc.go | 4 +- .../klauspost/compress/zstd/matchlen_amd64.go | 16 + .../klauspost/compress/zstd/matchlen_amd64.s | 68 ++++ .../compress/zstd/matchlen_generic.go | 33 ++ .../klauspost/compress/zstd/seqdec.go | 17 +- .../klauspost/compress/zstd/seqdec_amd64.s | 128 +++--- .../klauspost/compress/zstd/seqdec_generic.go | 2 +- .../klauspost/compress/zstd/snappy.go | 5 +- .../klauspost/compress/zstd/zstd.go | 22 - vendor/modules.txt | 2 +- 35 files changed, 703 insertions(+), 230 deletions(-) create mode 100644 vendor/github.com/klauspost/compress/SECURITY.md create mode 100644 vendor/github.com/klauspost/compress/zstd/matchlen_amd64.go create mode 100644 vendor/github.com/klauspost/compress/zstd/matchlen_amd64.s create mode 100644 vendor/github.com/klauspost/compress/zstd/matchlen_generic.go diff --git a/vendor.mod b/vendor.mod index 8a883e1f19..ee6eac7355 100644 --- a/vendor.mod +++ b/vendor.mod @@ -57,7 +57,7 @@ require ( github.com/golang/protobuf v1.5.2 // indirect github.com/gorilla/mux v1.8.0 // indirect github.com/inconshreveable/mousetrap v1.1.0 // indirect - github.com/klauspost/compress v1.16.5 // indirect + github.com/klauspost/compress v1.17.2 // indirect github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect github.com/miekg/pkcs11 v1.1.1 // indirect github.com/moby/sys/symlink v0.2.0 // indirect diff --git a/vendor.sum b/vendor.sum index 7a368153d0..616c454273 100644 --- a/vendor.sum +++ b/vendor.sum @@ -243,8 +243,8 @@ github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8 github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00= github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8= github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck= -github.com/klauspost/compress v1.16.5 h1:IFV2oUNUzZaz+XyusxpLzpzS8Pt5rh0Z16For/djlyI= -github.com/klauspost/compress v1.16.5/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE= +github.com/klauspost/compress v1.17.2 h1:RlWWUY/Dr4fL8qk9YG7DTZ7PDgME2V4csBXA8L/ixi4= +github.com/klauspost/compress v1.17.2/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE= github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ= github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ= github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc= diff --git a/vendor/github.com/klauspost/compress/.goreleaser.yml b/vendor/github.com/klauspost/compress/.goreleaser.yml index 7a008a4d23..4c28dff465 100644 --- a/vendor/github.com/klauspost/compress/.goreleaser.yml +++ b/vendor/github.com/klauspost/compress/.goreleaser.yml @@ -3,7 +3,7 @@ before: hooks: - ./gen.sh - - go install mvdan.cc/garble@v0.9.3 + - go install mvdan.cc/garble@v0.10.1 builds: - @@ -92,16 +92,7 @@ builds: archives: - id: s2-binaries - name_template: "s2-{{ .Os }}_{{ .Arch }}_{{ .Version }}" - replacements: - aix: AIX - darwin: OSX - linux: Linux - windows: Windows - 386: i386 - amd64: x86_64 - freebsd: FreeBSD - netbsd: NetBSD + name_template: "s2-{{ .Os }}_{{ .Arch }}{{ if .Arm }}v{{ .Arm }}{{ end }}" format_overrides: - goos: windows format: zip @@ -125,7 +116,7 @@ changelog: nfpms: - - file_name_template: "s2_package_{{ .Version }}_{{ .Os }}_{{ .Arch }}" + file_name_template: "s2_package__{{ .Os }}_{{ .Arch }}{{ if .Arm }}v{{ .Arm }}{{ end }}" vendor: Klaus Post homepage: https://github.com/klauspost/compress maintainer: Klaus Post @@ -134,8 +125,3 @@ nfpms: formats: - deb - rpm - replacements: - darwin: Darwin - linux: Linux - freebsd: FreeBSD - amd64: x86_64 diff --git a/vendor/github.com/klauspost/compress/README.md b/vendor/github.com/klauspost/compress/README.md index efab55e655..43de486775 100644 --- a/vendor/github.com/klauspost/compress/README.md +++ b/vendor/github.com/klauspost/compress/README.md @@ -16,6 +16,28 @@ This package provides various compression algorithms. # changelog +* Sept 19th, 2023 - [v1.17.0](https://github.com/klauspost/compress/releases/tag/v1.17.0) + * Add experimental dictionary builder https://github.com/klauspost/compress/pull/853 + * Add xerial snappy read/writer https://github.com/klauspost/compress/pull/838 + * flate: Add limited window compression https://github.com/klauspost/compress/pull/843 + * s2: Do 2 overlapping match checks https://github.com/klauspost/compress/pull/839 + * flate: Add amd64 assembly matchlen https://github.com/klauspost/compress/pull/837 + * gzip: Copy bufio.Reader on Reset by @thatguystone in https://github.com/klauspost/compress/pull/860 + +* July 1st, 2023 - [v1.16.7](https://github.com/klauspost/compress/releases/tag/v1.16.7) + * zstd: Fix default level first dictionary encode https://github.com/klauspost/compress/pull/829 + * s2: add GetBufferCapacity() method by @GiedriusS in https://github.com/klauspost/compress/pull/832 + +* June 13, 2023 - [v1.16.6](https://github.com/klauspost/compress/releases/tag/v1.16.6) + * zstd: correctly ignore WithEncoderPadding(1) by @ianlancetaylor in https://github.com/klauspost/compress/pull/806 + * zstd: Add amd64 match length assembly https://github.com/klauspost/compress/pull/824 + * gzhttp: Handle informational headers by @rtribotte in https://github.com/klauspost/compress/pull/815 + * s2: Improve Better compression slightly https://github.com/klauspost/compress/pull/663 + +* Apr 16, 2023 - [v1.16.5](https://github.com/klauspost/compress/releases/tag/v1.16.5) + * zstd: readByte needs to use io.ReadFull by @jnoxon in https://github.com/klauspost/compress/pull/802 + * gzip: Fix WriterTo after initial read https://github.com/klauspost/compress/pull/804 + * Apr 5, 2023 - [v1.16.4](https://github.com/klauspost/compress/releases/tag/v1.16.4) * zstd: Improve zstd best efficiency by @greatroar and @klauspost in https://github.com/klauspost/compress/pull/784 * zstd: Respect WithAllLitEntropyCompression https://github.com/klauspost/compress/pull/792 @@ -40,6 +62,9 @@ This package provides various compression algorithms. * s2: Support io.ReaderAt in ReadSeeker. https://github.com/klauspost/compress/pull/747 * s2c/s2sx: Use concurrent decoding. https://github.com/klauspost/compress/pull/746 +
+ See changes to v1.15.x + * Jan 21st, 2023 (v1.15.15) * deflate: Improve level 7-9 by @klauspost in https://github.com/klauspost/compress/pull/739 * zstd: Add delta encoding support by @greatroar in https://github.com/klauspost/compress/pull/728 @@ -166,6 +191,8 @@ Stream decompression is now faster on asynchronous, since the goroutine allocati While the release has been extensively tested, it is recommended to testing when upgrading. +
+
See changes to v1.14.x @@ -626,6 +653,8 @@ Here are other packages of good quality and pure Go (no cgo wrappers or autoconv * [github.com/dsnet/compress](https://github.com/dsnet/compress) - brotli decompression, bzip2 writer. * [github.com/ronanh/intcomp](https://github.com/ronanh/intcomp) - Integer compression. * [github.com/spenczar/fpc](https://github.com/spenczar/fpc) - Float compression. +* [github.com/minio/zipindex](https://github.com/minio/zipindex) - External ZIP directory index. +* [github.com/ybirader/pzip](https://github.com/ybirader/pzip) - Fast concurrent zip archiver and extractor. # license diff --git a/vendor/github.com/klauspost/compress/SECURITY.md b/vendor/github.com/klauspost/compress/SECURITY.md new file mode 100644 index 0000000000..ca6685e2b7 --- /dev/null +++ b/vendor/github.com/klauspost/compress/SECURITY.md @@ -0,0 +1,25 @@ +# Security Policy + +## Supported Versions + +Security updates are applied only to the latest release. + +## Vulnerability Definition + +A security vulnerability is a bug that with certain input triggers a crash or an infinite loop. Most calls will have varying execution time and only in rare cases will slow operation be considered a security vulnerability. + +Corrupted output generally is not considered a security vulnerability, unless independent operations are able to affect each other. Note that not all functionality is re-entrant and safe to use concurrently. + +Out-of-memory crashes only applies if the en/decoder uses an abnormal amount of memory, with appropriate options applied, to limit maximum window size, concurrency, etc. However, if you are in doubt you are welcome to file a security issue. + +It is assumed that all callers are trusted, meaning internal data exposed through reflection or inspection of returned data structures is not considered a vulnerability. + +Vulnerabilities resulting from compiler/assembler errors should be reported upstream. Depending on the severity this package may or may not implement a workaround. + +## Reporting a Vulnerability + +If you have discovered a security vulnerability in this project, please report it privately. **Do not disclose it as a public issue.** This gives us time to work with you to fix the issue before public exposure, reducing the chance that the exploit will be used before a patch is released. + +Please disclose it at [security advisory](https://github.com/klauspost/compress/security/advisories/new). If possible please provide a minimal reproducer. If the issue only applies to a single platform, it would be helpful to provide access to that. + +This project is maintained by a team of volunteers on a reasonable-effort basis. As such, vulnerabilities will be disclosed in a best effort base. diff --git a/vendor/github.com/klauspost/compress/fse/bitwriter.go b/vendor/github.com/klauspost/compress/fse/bitwriter.go index 43e463611b..e82fa3bb7b 100644 --- a/vendor/github.com/klauspost/compress/fse/bitwriter.go +++ b/vendor/github.com/klauspost/compress/fse/bitwriter.go @@ -152,12 +152,11 @@ func (b *bitWriter) flushAlign() { // close will write the alignment bit and write the final byte(s) // to the output. -func (b *bitWriter) close() error { +func (b *bitWriter) close() { // End mark b.addBits16Clean(1, 1) // flush until next byte. b.flushAlign() - return nil } // reset and continue writing by appending to out. diff --git a/vendor/github.com/klauspost/compress/fse/compress.go b/vendor/github.com/klauspost/compress/fse/compress.go index dac97e58a2..65d777357a 100644 --- a/vendor/github.com/klauspost/compress/fse/compress.go +++ b/vendor/github.com/klauspost/compress/fse/compress.go @@ -199,7 +199,8 @@ func (s *Scratch) compress(src []byte) error { c2.flush(s.actualTableLog) c1.flush(s.actualTableLog) - return s.bw.close() + s.bw.close() + return nil } // writeCount will write the normalized histogram count to header. diff --git a/vendor/github.com/klauspost/compress/huff0/bitwriter.go b/vendor/github.com/klauspost/compress/huff0/bitwriter.go index aed2347ced..0ebc9aaac7 100644 --- a/vendor/github.com/klauspost/compress/huff0/bitwriter.go +++ b/vendor/github.com/klauspost/compress/huff0/bitwriter.go @@ -13,14 +13,6 @@ type bitWriter struct { out []byte } -// bitMask16 is bitmasks. Has extra to avoid bounds check. -var bitMask16 = [32]uint16{ - 0, 1, 3, 7, 0xF, 0x1F, - 0x3F, 0x7F, 0xFF, 0x1FF, 0x3FF, 0x7FF, - 0xFFF, 0x1FFF, 0x3FFF, 0x7FFF, 0xFFFF, 0xFFFF, - 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, - 0xFFFF, 0xFFFF} /* up to 16 bits */ - // addBits16Clean will add up to 16 bits. value may not contain more set bits than indicated. // It will not check if there is space for them, so the caller must ensure that it has flushed recently. func (b *bitWriter) addBits16Clean(value uint16, bits uint8) { @@ -102,10 +94,9 @@ func (b *bitWriter) flushAlign() { // close will write the alignment bit and write the final byte(s) // to the output. -func (b *bitWriter) close() error { +func (b *bitWriter) close() { // End mark b.addBits16Clean(1, 1) // flush until next byte. b.flushAlign() - return nil } diff --git a/vendor/github.com/klauspost/compress/huff0/compress.go b/vendor/github.com/klauspost/compress/huff0/compress.go index 4ee4fa18dd..518436cf3d 100644 --- a/vendor/github.com/klauspost/compress/huff0/compress.go +++ b/vendor/github.com/klauspost/compress/huff0/compress.go @@ -227,10 +227,10 @@ func EstimateSizes(in []byte, s *Scratch) (tableSz, dataSz, reuseSz int, err err } func (s *Scratch) compress1X(src []byte) ([]byte, error) { - return s.compress1xDo(s.Out, src) + return s.compress1xDo(s.Out, src), nil } -func (s *Scratch) compress1xDo(dst, src []byte) ([]byte, error) { +func (s *Scratch) compress1xDo(dst, src []byte) []byte { var bw = bitWriter{out: dst} // N is length divisible by 4. @@ -260,8 +260,8 @@ func (s *Scratch) compress1xDo(dst, src []byte) ([]byte, error) { bw.encTwoSymbols(cTable, tmp[1], tmp[0]) } } - err := bw.close() - return bw.out, err + bw.close() + return bw.out } var sixZeros [6]byte @@ -283,12 +283,8 @@ func (s *Scratch) compress4X(src []byte) ([]byte, error) { } src = src[len(toDo):] - var err error idx := len(s.Out) - s.Out, err = s.compress1xDo(s.Out, toDo) - if err != nil { - return nil, err - } + s.Out = s.compress1xDo(s.Out, toDo) if len(s.Out)-idx > math.MaxUint16 { // We cannot store the size in the jump table return nil, ErrIncompressible @@ -315,7 +311,6 @@ func (s *Scratch) compress4Xp(src []byte) ([]byte, error) { segmentSize := (len(src) + 3) / 4 var wg sync.WaitGroup - var errs [4]error wg.Add(4) for i := 0; i < 4; i++ { toDo := src @@ -326,15 +321,12 @@ func (s *Scratch) compress4Xp(src []byte) ([]byte, error) { // Separate goroutine for each block. go func(i int) { - s.tmpOut[i], errs[i] = s.compress1xDo(s.tmpOut[i][:0], toDo) + s.tmpOut[i] = s.compress1xDo(s.tmpOut[i][:0], toDo) wg.Done() }(i) } wg.Wait() for i := 0; i < 4; i++ { - if errs[i] != nil { - return nil, errs[i] - } o := s.tmpOut[i] if len(o) > math.MaxUint16 { // We cannot store the size in the jump table diff --git a/vendor/github.com/klauspost/compress/huff0/decompress.go b/vendor/github.com/klauspost/compress/huff0/decompress.go index 3c0b398c72..54bd08b25c 100644 --- a/vendor/github.com/klauspost/compress/huff0/decompress.go +++ b/vendor/github.com/klauspost/compress/huff0/decompress.go @@ -253,7 +253,7 @@ func (d *Decoder) decompress1X8Bit(dst, src []byte) ([]byte, error) { switch d.actualTableLog { case 8: - const shift = 8 - 8 + const shift = 0 for br.off >= 4 { br.fillFast() v := dt[uint8(br.value>>(56+shift))] diff --git a/vendor/github.com/klauspost/compress/internal/snapref/encode_other.go b/vendor/github.com/klauspost/compress/internal/snapref/encode_other.go index 05db94d39a..2aa6a95a02 100644 --- a/vendor/github.com/klauspost/compress/internal/snapref/encode_other.go +++ b/vendor/github.com/klauspost/compress/internal/snapref/encode_other.go @@ -87,18 +87,6 @@ func emitCopy(dst []byte, offset, length int) int { return i + 2 } -// extendMatch returns the largest k such that k <= len(src) and that -// src[i:i+k-j] and src[j:k] have the same contents. -// -// It assumes that: -// -// 0 <= i && i < j && j <= len(src) -func extendMatch(src []byte, i, j int) int { - for ; j < len(src) && src[i] == src[j]; i, j = i+1, j+1 { - } - return j -} - func hash(u, shift uint32) uint32 { return (u * 0x1e35a7bd) >> shift } diff --git a/vendor/github.com/klauspost/compress/zstd/README.md b/vendor/github.com/klauspost/compress/zstd/README.md index 65b38abed8..bdd49c8b25 100644 --- a/vendor/github.com/klauspost/compress/zstd/README.md +++ b/vendor/github.com/klauspost/compress/zstd/README.md @@ -304,7 +304,7 @@ import "github.com/klauspost/compress/zstd" // Create a reader that caches decompressors. // For this operation type we supply a nil Reader. -var decoder, _ = zstd.NewReader(nil, WithDecoderConcurrency(0)) +var decoder, _ = zstd.NewReader(nil, zstd.WithDecoderConcurrency(0)) // Decompress a buffer. We don't supply a destination buffer, // so it will be allocated by the decoder. diff --git a/vendor/github.com/klauspost/compress/zstd/bitreader.go b/vendor/github.com/klauspost/compress/zstd/bitreader.go index 97299d499c..25ca983941 100644 --- a/vendor/github.com/klauspost/compress/zstd/bitreader.go +++ b/vendor/github.com/klauspost/compress/zstd/bitreader.go @@ -17,7 +17,6 @@ import ( // for aligning the input. type bitReader struct { in []byte - off uint // next byte to read is at in[off - 1] value uint64 // Maybe use [16]byte, but shifting is awkward. bitsRead uint8 } @@ -28,7 +27,6 @@ func (b *bitReader) init(in []byte) error { return errors.New("corrupt stream: too short") } b.in = in - b.off = uint(len(in)) // The highest bit of the last byte indicates where to start v := in[len(in)-1] if v == 0 { @@ -69,21 +67,19 @@ func (b *bitReader) fillFast() { if b.bitsRead < 32 { return } - // 2 bounds checks. - v := b.in[b.off-4:] - v = v[:4] + v := b.in[len(b.in)-4:] + b.in = b.in[:len(b.in)-4] low := (uint32(v[0])) | (uint32(v[1]) << 8) | (uint32(v[2]) << 16) | (uint32(v[3]) << 24) b.value = (b.value << 32) | uint64(low) b.bitsRead -= 32 - b.off -= 4 } // fillFastStart() assumes the bitreader is empty and there is at least 8 bytes to read. func (b *bitReader) fillFastStart() { - // Do single re-slice to avoid bounds checks. - b.value = binary.LittleEndian.Uint64(b.in[b.off-8:]) + v := b.in[len(b.in)-8:] + b.in = b.in[:len(b.in)-8] + b.value = binary.LittleEndian.Uint64(v) b.bitsRead = 0 - b.off -= 8 } // fill() will make sure at least 32 bits are available. @@ -91,25 +87,25 @@ func (b *bitReader) fill() { if b.bitsRead < 32 { return } - if b.off >= 4 { - v := b.in[b.off-4:] - v = v[:4] + if len(b.in) >= 4 { + v := b.in[len(b.in)-4:] + b.in = b.in[:len(b.in)-4] low := (uint32(v[0])) | (uint32(v[1]) << 8) | (uint32(v[2]) << 16) | (uint32(v[3]) << 24) b.value = (b.value << 32) | uint64(low) b.bitsRead -= 32 - b.off -= 4 return } - for b.off > 0 { - b.value = (b.value << 8) | uint64(b.in[b.off-1]) - b.bitsRead -= 8 - b.off-- + + b.bitsRead -= uint8(8 * len(b.in)) + for len(b.in) > 0 { + b.value = (b.value << 8) | uint64(b.in[len(b.in)-1]) + b.in = b.in[:len(b.in)-1] } } // finished returns true if all bits have been read from the bit stream. func (b *bitReader) finished() bool { - return b.off == 0 && b.bitsRead >= 64 + return len(b.in) == 0 && b.bitsRead >= 64 } // overread returns true if more bits have been requested than is on the stream. @@ -119,7 +115,7 @@ func (b *bitReader) overread() bool { // remain returns the number of bits remaining. func (b *bitReader) remain() uint { - return b.off*8 + 64 - uint(b.bitsRead) + return 8*uint(len(b.in)) + 64 - uint(b.bitsRead) } // close the bitstream and returns an error if out-of-buffer reads occurred. diff --git a/vendor/github.com/klauspost/compress/zstd/bitwriter.go b/vendor/github.com/klauspost/compress/zstd/bitwriter.go index 78b3c61be3..1952f175b0 100644 --- a/vendor/github.com/klauspost/compress/zstd/bitwriter.go +++ b/vendor/github.com/klauspost/compress/zstd/bitwriter.go @@ -97,12 +97,11 @@ func (b *bitWriter) flushAlign() { // close will write the alignment bit and write the final byte(s) // to the output. -func (b *bitWriter) close() error { +func (b *bitWriter) close() { // End mark b.addBits16Clean(1, 1) // flush until next byte. b.flushAlign() - return nil } // reset and continue writing by appending to out. diff --git a/vendor/github.com/klauspost/compress/zstd/blockdec.go b/vendor/github.com/klauspost/compress/zstd/blockdec.go index 5f272d87f6..9f17ce601f 100644 --- a/vendor/github.com/klauspost/compress/zstd/blockdec.go +++ b/vendor/github.com/klauspost/compress/zstd/blockdec.go @@ -592,7 +592,7 @@ func (b *blockDec) prepareSequences(in []byte, hist *history) (err error) { } seq.fse.setRLE(symb) if debugDecoder { - printf("RLE set to %+v, code: %v", symb, v) + printf("RLE set to 0x%x, code: %v", symb, v) } case compModeFSE: println("Reading table for", tableIndex(i)) diff --git a/vendor/github.com/klauspost/compress/zstd/blockenc.go b/vendor/github.com/klauspost/compress/zstd/blockenc.go index fd4a36f730..2cfe925ade 100644 --- a/vendor/github.com/klauspost/compress/zstd/blockenc.go +++ b/vendor/github.com/klauspost/compress/zstd/blockenc.go @@ -361,14 +361,21 @@ func (b *blockEnc) encodeLits(lits []byte, raw bool) error { if len(lits) >= 1024 { // Use 4 Streams. out, reUsed, err = huff0.Compress4X(lits, b.litEnc) - } else if len(lits) > 32 { + } else if len(lits) > 16 { // Use 1 stream single = true out, reUsed, err = huff0.Compress1X(lits, b.litEnc) } else { err = huff0.ErrIncompressible } - + if err == nil && len(out)+5 > len(lits) { + // If we are close, we may still be worse or equal to raw. + var lh literalsHeader + lh.setSizes(len(out), len(lits), single) + if len(out)+lh.size() >= len(lits) { + err = huff0.ErrIncompressible + } + } switch err { case huff0.ErrIncompressible: if debugEncoder { @@ -503,7 +510,7 @@ func (b *blockEnc) encode(org []byte, raw, rawAllLits bool) error { if len(b.literals) >= 1024 && !raw { // Use 4 Streams. out, reUsed, err = huff0.Compress4X(b.literals, b.litEnc) - } else if len(b.literals) > 32 && !raw { + } else if len(b.literals) > 16 && !raw { // Use 1 stream single = true out, reUsed, err = huff0.Compress1X(b.literals, b.litEnc) @@ -511,6 +518,17 @@ func (b *blockEnc) encode(org []byte, raw, rawAllLits bool) error { err = huff0.ErrIncompressible } + if err == nil && len(out)+5 > len(b.literals) { + // If we are close, we may still be worse or equal to raw. + var lh literalsHeader + lh.setSize(len(b.literals)) + szRaw := lh.size() + lh.setSizes(len(out), len(b.literals), single) + szComp := lh.size() + if len(out)+szComp >= len(b.literals)+szRaw { + err = huff0.ErrIncompressible + } + } switch err { case huff0.ErrIncompressible: lh.setType(literalsBlockRaw) @@ -773,10 +791,7 @@ func (b *blockEnc) encode(org []byte, raw, rawAllLits bool) error { ml.flush(mlEnc.actualTableLog) of.flush(ofEnc.actualTableLog) ll.flush(llEnc.actualTableLog) - err = wr.close() - if err != nil { - return err - } + wr.close() b.output = wr.out // Maybe even add a bigger margin. diff --git a/vendor/github.com/klauspost/compress/zstd/decoder_options.go b/vendor/github.com/klauspost/compress/zstd/decoder_options.go index 07a90dd7af..774c5f00fe 100644 --- a/vendor/github.com/klauspost/compress/zstd/decoder_options.go +++ b/vendor/github.com/klauspost/compress/zstd/decoder_options.go @@ -107,7 +107,7 @@ func WithDecoderDicts(dicts ...[]byte) DOption { } } -// WithEncoderDictRaw registers a dictionary that may be used by the decoder. +// WithDecoderDictRaw registers a dictionary that may be used by the decoder. // The slice content can be arbitrary data. func WithDecoderDictRaw(id uint32, content []byte) DOption { return func(o *decoderOptions) error { diff --git a/vendor/github.com/klauspost/compress/zstd/dict.go b/vendor/github.com/klauspost/compress/zstd/dict.go index ca0951452e..8d5567fe64 100644 --- a/vendor/github.com/klauspost/compress/zstd/dict.go +++ b/vendor/github.com/klauspost/compress/zstd/dict.go @@ -1,10 +1,13 @@ package zstd import ( + "bytes" "encoding/binary" "errors" "fmt" "io" + "math" + "sort" "github.com/klauspost/compress/huff0" ) @@ -14,9 +17,8 @@ type dict struct { litEnc *huff0.Scratch llDec, ofDec, mlDec sequenceDec - //llEnc, ofEnc, mlEnc []*fseEncoder - offsets [3]int - content []byte + offsets [3]int + content []byte } const dictMagic = "\x37\xa4\x30\xec" @@ -159,3 +161,374 @@ func InspectDictionary(b []byte) (interface { d, err := loadDict(b) return d, err } + +type BuildDictOptions struct { + // Dictionary ID. + ID uint32 + + // Content to use to create dictionary tables. + Contents [][]byte + + // History to use for all blocks. + History []byte + + // Offsets to use. + Offsets [3]int + + // CompatV155 will make the dictionary compatible with Zstd v1.5.5 and earlier. + // See https://github.com/facebook/zstd/issues/3724 + CompatV155 bool + + // Use the specified encoder level. + // The dictionary will be built using the specified encoder level, + // which will reflect speed and make the dictionary tailored for that level. + // If not set SpeedBestCompression will be used. + Level EncoderLevel + + // DebugOut will write stats and other details here if set. + DebugOut io.Writer +} + +func BuildDict(o BuildDictOptions) ([]byte, error) { + initPredefined() + hist := o.History + contents := o.Contents + debug := o.DebugOut != nil + println := func(args ...interface{}) { + if o.DebugOut != nil { + fmt.Fprintln(o.DebugOut, args...) + } + } + printf := func(s string, args ...interface{}) { + if o.DebugOut != nil { + fmt.Fprintf(o.DebugOut, s, args...) + } + } + print := func(args ...interface{}) { + if o.DebugOut != nil { + fmt.Fprint(o.DebugOut, args...) + } + } + + if int64(len(hist)) > dictMaxLength { + return nil, fmt.Errorf("dictionary of size %d > %d", len(hist), int64(dictMaxLength)) + } + if len(hist) < 8 { + return nil, fmt.Errorf("dictionary of size %d < %d", len(hist), 8) + } + if len(contents) == 0 { + return nil, errors.New("no content provided") + } + d := dict{ + id: o.ID, + litEnc: nil, + llDec: sequenceDec{}, + ofDec: sequenceDec{}, + mlDec: sequenceDec{}, + offsets: o.Offsets, + content: hist, + } + block := blockEnc{lowMem: false} + block.init() + enc := encoder(&bestFastEncoder{fastBase: fastBase{maxMatchOff: int32(maxMatchLen), bufferReset: math.MaxInt32 - int32(maxMatchLen*2), lowMem: false}}) + if o.Level != 0 { + eOpts := encoderOptions{ + level: o.Level, + blockSize: maxMatchLen, + windowSize: maxMatchLen, + dict: &d, + lowMem: false, + } + enc = eOpts.encoder() + } else { + o.Level = SpeedBestCompression + } + var ( + remain [256]int + ll [256]int + ml [256]int + of [256]int + ) + addValues := func(dst *[256]int, src []byte) { + for _, v := range src { + dst[v]++ + } + } + addHist := func(dst *[256]int, src *[256]uint32) { + for i, v := range src { + dst[i] += int(v) + } + } + seqs := 0 + nUsed := 0 + litTotal := 0 + newOffsets := make(map[uint32]int, 1000) + for _, b := range contents { + block.reset(nil) + if len(b) < 8 { + continue + } + nUsed++ + enc.Reset(&d, true) + enc.Encode(&block, b) + addValues(&remain, block.literals) + litTotal += len(block.literals) + seqs += len(block.sequences) + block.genCodes() + addHist(&ll, block.coders.llEnc.Histogram()) + addHist(&ml, block.coders.mlEnc.Histogram()) + addHist(&of, block.coders.ofEnc.Histogram()) + for i, seq := range block.sequences { + if i > 3 { + break + } + offset := seq.offset + if offset == 0 { + continue + } + if offset > 3 { + newOffsets[offset-3]++ + } else { + newOffsets[uint32(o.Offsets[offset-1])]++ + } + } + } + // Find most used offsets. + var sortedOffsets []uint32 + for k := range newOffsets { + sortedOffsets = append(sortedOffsets, k) + } + sort.Slice(sortedOffsets, func(i, j int) bool { + a, b := sortedOffsets[i], sortedOffsets[j] + if a == b { + // Prefer the longer offset + return sortedOffsets[i] > sortedOffsets[j] + } + return newOffsets[sortedOffsets[i]] > newOffsets[sortedOffsets[j]] + }) + if len(sortedOffsets) > 3 { + if debug { + print("Offsets:") + for i, v := range sortedOffsets { + if i > 20 { + break + } + printf("[%d: %d],", v, newOffsets[v]) + } + println("") + } + + sortedOffsets = sortedOffsets[:3] + } + for i, v := range sortedOffsets { + o.Offsets[i] = int(v) + } + if debug { + println("New repeat offsets", o.Offsets) + } + + if nUsed == 0 || seqs == 0 { + return nil, fmt.Errorf("%d blocks, %d sequences found", nUsed, seqs) + } + if debug { + println("Sequences:", seqs, "Blocks:", nUsed, "Literals:", litTotal) + } + if seqs/nUsed < 512 { + // Use 512 as minimum. + nUsed = seqs / 512 + } + copyHist := func(dst *fseEncoder, src *[256]int) ([]byte, error) { + hist := dst.Histogram() + var maxSym uint8 + var maxCount int + var fakeLength int + for i, v := range src { + if v > 0 { + v = v / nUsed + if v == 0 { + v = 1 + } + } + if v > maxCount { + maxCount = v + } + if v != 0 { + maxSym = uint8(i) + } + fakeLength += v + hist[i] = uint32(v) + } + dst.HistogramFinished(maxSym, maxCount) + dst.reUsed = false + dst.useRLE = false + err := dst.normalizeCount(fakeLength) + if err != nil { + return nil, err + } + if debug { + println("RAW:", dst.count[:maxSym+1], "NORM:", dst.norm[:maxSym+1], "LEN:", fakeLength) + } + return dst.writeCount(nil) + } + if debug { + print("Literal lengths: ") + } + llTable, err := copyHist(block.coders.llEnc, &ll) + if err != nil { + return nil, err + } + if debug { + print("Match lengths: ") + } + mlTable, err := copyHist(block.coders.mlEnc, &ml) + if err != nil { + return nil, err + } + if debug { + print("Offsets: ") + } + ofTable, err := copyHist(block.coders.ofEnc, &of) + if err != nil { + return nil, err + } + + // Literal table + avgSize := litTotal + if avgSize > huff0.BlockSizeMax/2 { + avgSize = huff0.BlockSizeMax / 2 + } + huffBuff := make([]byte, 0, avgSize) + // Target size + div := litTotal / avgSize + if div < 1 { + div = 1 + } + if debug { + println("Huffman weights:") + } + for i, n := range remain[:] { + if n > 0 { + n = n / div + // Allow all entries to be represented. + if n == 0 { + n = 1 + } + huffBuff = append(huffBuff, bytes.Repeat([]byte{byte(i)}, n)...) + if debug { + printf("[%d: %d], ", i, n) + } + } + } + if o.CompatV155 && remain[255]/div == 0 { + huffBuff = append(huffBuff, 255) + } + scratch := &huff0.Scratch{TableLog: 11} + for tries := 0; tries < 255; tries++ { + scratch = &huff0.Scratch{TableLog: 11} + _, _, err = huff0.Compress1X(huffBuff, scratch) + if err == nil { + break + } + if debug { + printf("Try %d: Huffman error: %v\n", tries+1, err) + } + huffBuff = huffBuff[:0] + if tries == 250 { + if debug { + println("Huffman: Bailing out with predefined table") + } + + // Bail out.... Just generate something + huffBuff = append(huffBuff, bytes.Repeat([]byte{255}, 10000)...) + for i := 0; i < 128; i++ { + huffBuff = append(huffBuff, byte(i)) + } + continue + } + if errors.Is(err, huff0.ErrIncompressible) { + // Try truncating least common. + for i, n := range remain[:] { + if n > 0 { + n = n / (div * (i + 1)) + if n > 0 { + huffBuff = append(huffBuff, bytes.Repeat([]byte{byte(i)}, n)...) + } + } + } + if o.CompatV155 && len(huffBuff) > 0 && huffBuff[len(huffBuff)-1] != 255 { + huffBuff = append(huffBuff, 255) + } + if len(huffBuff) == 0 { + huffBuff = append(huffBuff, 0, 255) + } + } + if errors.Is(err, huff0.ErrUseRLE) { + for i, n := range remain[:] { + n = n / (div * (i + 1)) + // Allow all entries to be represented. + if n == 0 { + n = 1 + } + huffBuff = append(huffBuff, bytes.Repeat([]byte{byte(i)}, n)...) + } + } + } + + var out bytes.Buffer + out.Write([]byte(dictMagic)) + out.Write(binary.LittleEndian.AppendUint32(nil, o.ID)) + out.Write(scratch.OutTable) + if debug { + println("huff table:", len(scratch.OutTable), "bytes") + println("of table:", len(ofTable), "bytes") + println("ml table:", len(mlTable), "bytes") + println("ll table:", len(llTable), "bytes") + } + out.Write(ofTable) + out.Write(mlTable) + out.Write(llTable) + out.Write(binary.LittleEndian.AppendUint32(nil, uint32(o.Offsets[0]))) + out.Write(binary.LittleEndian.AppendUint32(nil, uint32(o.Offsets[1]))) + out.Write(binary.LittleEndian.AppendUint32(nil, uint32(o.Offsets[2]))) + out.Write(hist) + if debug { + _, err := loadDict(out.Bytes()) + if err != nil { + panic(err) + } + i, err := InspectDictionary(out.Bytes()) + if err != nil { + panic(err) + } + println("ID:", i.ID()) + println("Content size:", i.ContentSize()) + println("Encoder:", i.LitEncoder() != nil) + println("Offsets:", i.Offsets()) + var totalSize int + for _, b := range contents { + totalSize += len(b) + } + + encWith := func(opts ...EOption) int { + enc, err := NewWriter(nil, opts...) + if err != nil { + panic(err) + } + defer enc.Close() + var dst []byte + var totalSize int + for _, b := range contents { + dst = enc.EncodeAll(b, dst[:0]) + totalSize += len(dst) + } + return totalSize + } + plain := encWith(WithEncoderLevel(o.Level)) + withDict := encWith(WithEncoderLevel(o.Level), WithEncoderDict(out.Bytes())) + println("Input size:", totalSize) + println("Plain Compressed:", plain) + println("Dict Compressed:", withDict) + println("Saved:", plain-withDict, (plain-withDict)/len(contents), "bytes per input (rounded down)") + } + return out.Bytes(), nil +} diff --git a/vendor/github.com/klauspost/compress/zstd/enc_base.go b/vendor/github.com/klauspost/compress/zstd/enc_base.go index e008b99298..5ca46038ad 100644 --- a/vendor/github.com/klauspost/compress/zstd/enc_base.go +++ b/vendor/github.com/klauspost/compress/zstd/enc_base.go @@ -144,6 +144,7 @@ func (e *fastBase) resetBase(d *dict, singleBlock bool) { } else { e.crc.Reset() } + e.blk.dictLitEnc = nil if d != nil { low := e.lowMem if singleBlock { diff --git a/vendor/github.com/klauspost/compress/zstd/enc_best.go b/vendor/github.com/klauspost/compress/zstd/enc_best.go index 9819d41453..858f8f43a5 100644 --- a/vendor/github.com/klauspost/compress/zstd/enc_best.go +++ b/vendor/github.com/klauspost/compress/zstd/enc_best.go @@ -197,12 +197,13 @@ encodeLoop: // Set m to a match at offset if it looks like that will improve compression. improve := func(m *match, offset int32, s int32, first uint32, rep int32) { - if s-offset >= e.maxMatchOff || load3232(src, offset) != first { + delta := s - offset + if delta >= e.maxMatchOff || delta <= 0 || load3232(src, offset) != first { return } if debugAsserts { - if offset <= 0 { - panic(offset) + if offset >= s { + panic(fmt.Sprintf("offset: %d - s:%d - rep: %d - cur :%d - max: %d", offset, s, rep, e.cur, e.maxMatchOff)) } if !bytes.Equal(src[s:s+4], src[offset:offset+4]) { panic(fmt.Sprintf("first match mismatch: %v != %v, first: %08x", src[s:s+4], src[offset:offset+4], first)) @@ -343,8 +344,8 @@ encodeLoop: if best.rep > 0 { var seq seq seq.matchLen = uint32(best.length - zstdMinMatch) - if debugAsserts && s <= nextEmit { - panic("s <= nextEmit") + if debugAsserts && s < nextEmit { + panic("s < nextEmit") } addLiterals(&seq, best.s) diff --git a/vendor/github.com/klauspost/compress/zstd/enc_dfast.go b/vendor/github.com/klauspost/compress/zstd/enc_dfast.go index 7d425109ad..a154c18f74 100644 --- a/vendor/github.com/klauspost/compress/zstd/enc_dfast.go +++ b/vendor/github.com/klauspost/compress/zstd/enc_dfast.go @@ -1084,7 +1084,7 @@ func (e *doubleFastEncoderDict) Reset(d *dict, singleBlock bool) { } } e.lastDictID = d.id - e.allDirty = true + allDirty = true } // Reset table to initial state e.cur = e.maxMatchOff diff --git a/vendor/github.com/klauspost/compress/zstd/enc_fast.go b/vendor/github.com/klauspost/compress/zstd/enc_fast.go index 315b1a8f2f..f45a3da7da 100644 --- a/vendor/github.com/klauspost/compress/zstd/enc_fast.go +++ b/vendor/github.com/klauspost/compress/zstd/enc_fast.go @@ -133,8 +133,7 @@ encodeLoop: if canRepeat && repIndex >= 0 && load3232(src, repIndex) == uint32(cv>>16) { // Consider history as well. var seq seq - var length int32 - length = 4 + e.matchlen(s+6, repIndex+4, src) + length := 4 + e.matchlen(s+6, repIndex+4, src) seq.matchLen = uint32(length - zstdMinMatch) // We might be able to match backwards. @@ -645,8 +644,7 @@ encodeLoop: if canRepeat && repIndex >= 0 && load3232(src, repIndex) == uint32(cv>>16) { // Consider history as well. var seq seq - var length int32 - length = 4 + e.matchlen(s+6, repIndex+4, src) + length := 4 + e.matchlen(s+6, repIndex+4, src) seq.matchLen = uint32(length - zstdMinMatch) @@ -831,13 +829,12 @@ func (e *fastEncoderDict) Reset(d *dict, singleBlock bool) { } if true { end := e.maxMatchOff + int32(len(d.content)) - 8 - for i := e.maxMatchOff; i < end; i += 3 { + for i := e.maxMatchOff; i < end; i += 2 { const hashLog = tableBits cv := load6432(d.content, i-e.maxMatchOff) - nextHash := hashLen(cv, hashLog, tableFastHashLen) // 0 -> 5 - nextHash1 := hashLen(cv>>8, hashLog, tableFastHashLen) // 1 -> 6 - nextHash2 := hashLen(cv>>16, hashLog, tableFastHashLen) // 2 -> 7 + nextHash := hashLen(cv, hashLog, tableFastHashLen) // 0 -> 6 + nextHash1 := hashLen(cv>>8, hashLog, tableFastHashLen) // 1 -> 7 e.dictTable[nextHash] = tableEntry{ val: uint32(cv), offset: i, @@ -846,10 +843,6 @@ func (e *fastEncoderDict) Reset(d *dict, singleBlock bool) { val: uint32(cv >> 8), offset: i + 1, } - e.dictTable[nextHash2] = tableEntry{ - val: uint32(cv >> 16), - offset: i + 2, - } } } e.lastDictID = d.id diff --git a/vendor/github.com/klauspost/compress/zstd/encoder.go b/vendor/github.com/klauspost/compress/zstd/encoder.go index 4de0aed0d0..72af7ef0fe 100644 --- a/vendor/github.com/klauspost/compress/zstd/encoder.go +++ b/vendor/github.com/klauspost/compress/zstd/encoder.go @@ -227,10 +227,7 @@ func (e *Encoder) nextBlock(final bool) error { DictID: e.o.dict.ID(), } - dst, err := fh.appendTo(tmp[:0]) - if err != nil { - return err - } + dst := fh.appendTo(tmp[:0]) s.headerWritten = true s.wWg.Wait() var n2 int @@ -483,7 +480,7 @@ func (e *Encoder) EncodeAll(src, dst []byte) []byte { Checksum: false, DictID: 0, } - dst, _ = fh.appendTo(dst) + dst = fh.appendTo(dst) // Write raw block as last one only. var blk blockHeader @@ -518,10 +515,7 @@ func (e *Encoder) EncodeAll(src, dst []byte) []byte { if len(dst) == 0 && cap(dst) == 0 && len(src) < 1<<20 && !e.o.lowMem { dst = make([]byte, 0, len(src)) } - dst, err := fh.appendTo(dst) - if err != nil { - panic(err) - } + dst = fh.appendTo(dst) // If we can do everything in one block, prefer that. if len(src) <= e.o.blockSize { @@ -581,6 +575,7 @@ func (e *Encoder) EncodeAll(src, dst []byte) []byte { // Add padding with content from crypto/rand.Reader if e.o.pad > 0 { add := calcSkippableFrame(int64(len(dst)), int64(e.o.pad)) + var err error dst, err = skippableFrame(dst, add, rand.Reader) if err != nil { panic(err) diff --git a/vendor/github.com/klauspost/compress/zstd/encoder_options.go b/vendor/github.com/klauspost/compress/zstd/encoder_options.go index 50f70533b4..faaf81921c 100644 --- a/vendor/github.com/klauspost/compress/zstd/encoder_options.go +++ b/vendor/github.com/klauspost/compress/zstd/encoder_options.go @@ -129,7 +129,7 @@ func WithEncoderPadding(n int) EOption { } // No need to waste our time. if n == 1 { - o.pad = 0 + n = 0 } if n > 1<<30 { return fmt.Errorf("padding must less than 1GB (1<<30 bytes) ") diff --git a/vendor/github.com/klauspost/compress/zstd/framedec.go b/vendor/github.com/klauspost/compress/zstd/framedec.go index cc0aa22745..53e160f7e5 100644 --- a/vendor/github.com/klauspost/compress/zstd/framedec.go +++ b/vendor/github.com/klauspost/compress/zstd/framedec.go @@ -73,20 +73,20 @@ func (d *frameDec) reset(br byteBuffer) error { switch err { case io.EOF, io.ErrUnexpectedEOF: return io.EOF - default: - return err case nil: signature[0] = b[0] + default: + return err } // Read the rest, don't allow io.ErrUnexpectedEOF b, err = br.readSmall(3) switch err { case io.EOF: return io.EOF - default: - return err case nil: copy(signature[1:], b) + default: + return err } if string(signature[1:4]) != skippableFrameMagic || signature[0]&0xf0 != 0x50 { diff --git a/vendor/github.com/klauspost/compress/zstd/frameenc.go b/vendor/github.com/klauspost/compress/zstd/frameenc.go index 4ef7f5a3e3..2f5d5ed454 100644 --- a/vendor/github.com/klauspost/compress/zstd/frameenc.go +++ b/vendor/github.com/klauspost/compress/zstd/frameenc.go @@ -22,7 +22,7 @@ type frameHeader struct { const maxHeaderSize = 14 -func (f frameHeader) appendTo(dst []byte) ([]byte, error) { +func (f frameHeader) appendTo(dst []byte) []byte { dst = append(dst, frameMagic...) var fhd uint8 if f.Checksum { @@ -88,7 +88,7 @@ func (f frameHeader) appendTo(dst []byte) ([]byte, error) { default: panic("invalid fcs") } - return dst, nil + return dst } const skippableFrameHeader = 4 + 4 diff --git a/vendor/github.com/klauspost/compress/zstd/matchlen_amd64.go b/vendor/github.com/klauspost/compress/zstd/matchlen_amd64.go new file mode 100644 index 0000000000..f41932b7a4 --- /dev/null +++ b/vendor/github.com/klauspost/compress/zstd/matchlen_amd64.go @@ -0,0 +1,16 @@ +//go:build amd64 && !appengine && !noasm && gc +// +build amd64,!appengine,!noasm,gc + +// Copyright 2019+ Klaus Post. All rights reserved. +// License information can be found in the LICENSE file. + +package zstd + +// matchLen returns how many bytes match in a and b +// +// It assumes that: +// +// len(a) <= len(b) and len(a) > 0 +// +//go:noescape +func matchLen(a []byte, b []byte) int diff --git a/vendor/github.com/klauspost/compress/zstd/matchlen_amd64.s b/vendor/github.com/klauspost/compress/zstd/matchlen_amd64.s new file mode 100644 index 0000000000..9a7655c0f7 --- /dev/null +++ b/vendor/github.com/klauspost/compress/zstd/matchlen_amd64.s @@ -0,0 +1,68 @@ +// Copied from S2 implementation. + +//go:build !appengine && !noasm && gc && !noasm + +#include "textflag.h" + +// func matchLen(a []byte, b []byte) int +// Requires: BMI +TEXT ·matchLen(SB), NOSPLIT, $0-56 + MOVQ a_base+0(FP), AX + MOVQ b_base+24(FP), CX + MOVQ a_len+8(FP), DX + + // matchLen + XORL SI, SI + CMPL DX, $0x08 + JB matchlen_match4_standalone + +matchlen_loopback_standalone: + MOVQ (AX)(SI*1), BX + XORQ (CX)(SI*1), BX + TESTQ BX, BX + JZ matchlen_loop_standalone + +#ifdef GOAMD64_v3 + TZCNTQ BX, BX +#else + BSFQ BX, BX +#endif + SARQ $0x03, BX + LEAL (SI)(BX*1), SI + JMP gen_match_len_end + +matchlen_loop_standalone: + LEAL -8(DX), DX + LEAL 8(SI), SI + CMPL DX, $0x08 + JAE matchlen_loopback_standalone + +matchlen_match4_standalone: + CMPL DX, $0x04 + JB matchlen_match2_standalone + MOVL (AX)(SI*1), BX + CMPL (CX)(SI*1), BX + JNE matchlen_match2_standalone + LEAL -4(DX), DX + LEAL 4(SI), SI + +matchlen_match2_standalone: + CMPL DX, $0x02 + JB matchlen_match1_standalone + MOVW (AX)(SI*1), BX + CMPW (CX)(SI*1), BX + JNE matchlen_match1_standalone + LEAL -2(DX), DX + LEAL 2(SI), SI + +matchlen_match1_standalone: + CMPL DX, $0x01 + JB gen_match_len_end + MOVB (AX)(SI*1), BL + CMPB (CX)(SI*1), BL + JNE gen_match_len_end + INCL SI + +gen_match_len_end: + MOVQ SI, ret+48(FP) + RET diff --git a/vendor/github.com/klauspost/compress/zstd/matchlen_generic.go b/vendor/github.com/klauspost/compress/zstd/matchlen_generic.go new file mode 100644 index 0000000000..57b9c31c02 --- /dev/null +++ b/vendor/github.com/klauspost/compress/zstd/matchlen_generic.go @@ -0,0 +1,33 @@ +//go:build !amd64 || appengine || !gc || noasm +// +build !amd64 appengine !gc noasm + +// Copyright 2019+ Klaus Post. All rights reserved. +// License information can be found in the LICENSE file. + +package zstd + +import ( + "encoding/binary" + "math/bits" +) + +// matchLen returns the maximum common prefix length of a and b. +// a must be the shortest of the two. +func matchLen(a, b []byte) (n int) { + for ; len(a) >= 8 && len(b) >= 8; a, b = a[8:], b[8:] { + diff := binary.LittleEndian.Uint64(a) ^ binary.LittleEndian.Uint64(b) + if diff != 0 { + return n + bits.TrailingZeros64(diff)>>3 + } + n += 8 + } + + for i := range a { + if a[i] != b[i] { + break + } + n++ + } + return n + +} diff --git a/vendor/github.com/klauspost/compress/zstd/seqdec.go b/vendor/github.com/klauspost/compress/zstd/seqdec.go index 9405fcf101..d7fe6d82d9 100644 --- a/vendor/github.com/klauspost/compress/zstd/seqdec.go +++ b/vendor/github.com/klauspost/compress/zstd/seqdec.go @@ -245,7 +245,7 @@ func (s *sequenceDecs) decodeSync(hist []byte) error { return io.ErrUnexpectedEOF } var ll, mo, ml int - if br.off > 4+((maxOffsetBits+16+16)>>3) { + if len(br.in) > 4+((maxOffsetBits+16+16)>>3) { // inlined function: // ll, mo, ml = s.nextFast(br, llState, mlState, ofState) @@ -452,18 +452,13 @@ func (s *sequenceDecs) next(br *bitReader, llState, mlState, ofState decSymbol) // extra bits are stored in reverse order. br.fill() - if s.maxBits <= 32 { - mo += br.getBits(moB) - ml += br.getBits(mlB) - ll += br.getBits(llB) - } else { - mo += br.getBits(moB) + mo += br.getBits(moB) + if s.maxBits > 32 { br.fill() - // matchlength+literal length, max 32 bits - ml += br.getBits(mlB) - ll += br.getBits(llB) - } + // matchlength+literal length, max 32 bits + ml += br.getBits(mlB) + ll += br.getBits(llB) mo = s.adjustOffset(mo, ll, moB) return } diff --git a/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.s b/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.s index b6f4ba6fc5..974b99725f 100644 --- a/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.s +++ b/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.s @@ -5,11 +5,11 @@ // func sequenceDecs_decode_amd64(s *sequenceDecs, br *bitReader, ctx *decodeAsmContext) int // Requires: CMOV TEXT ·sequenceDecs_decode_amd64(SB), $8-32 - MOVQ br+8(FP), AX - MOVQ 32(AX), DX - MOVBQZX 40(AX), BX - MOVQ 24(AX), SI - MOVQ (AX), AX + MOVQ br+8(FP), CX + MOVQ 24(CX), DX + MOVBQZX 32(CX), BX + MOVQ (CX), AX + MOVQ 8(CX), SI ADDQ SI, AX MOVQ AX, (SP) MOVQ ctx+16(FP), AX @@ -301,9 +301,9 @@ sequenceDecs_decode_amd64_match_len_ofs_ok: MOVQ R12, 152(AX) MOVQ R13, 160(AX) MOVQ br+8(FP), AX - MOVQ DX, 32(AX) - MOVB BL, 40(AX) - MOVQ SI, 24(AX) + MOVQ DX, 24(AX) + MOVB BL, 32(AX) + MOVQ SI, 8(AX) // Return success MOVQ $0x00000000, ret+24(FP) @@ -336,11 +336,11 @@ error_overread: // func sequenceDecs_decode_56_amd64(s *sequenceDecs, br *bitReader, ctx *decodeAsmContext) int // Requires: CMOV TEXT ·sequenceDecs_decode_56_amd64(SB), $8-32 - MOVQ br+8(FP), AX - MOVQ 32(AX), DX - MOVBQZX 40(AX), BX - MOVQ 24(AX), SI - MOVQ (AX), AX + MOVQ br+8(FP), CX + MOVQ 24(CX), DX + MOVBQZX 32(CX), BX + MOVQ (CX), AX + MOVQ 8(CX), SI ADDQ SI, AX MOVQ AX, (SP) MOVQ ctx+16(FP), AX @@ -603,9 +603,9 @@ sequenceDecs_decode_56_amd64_match_len_ofs_ok: MOVQ R12, 152(AX) MOVQ R13, 160(AX) MOVQ br+8(FP), AX - MOVQ DX, 32(AX) - MOVB BL, 40(AX) - MOVQ SI, 24(AX) + MOVQ DX, 24(AX) + MOVB BL, 32(AX) + MOVQ SI, 8(AX) // Return success MOVQ $0x00000000, ret+24(FP) @@ -638,11 +638,11 @@ error_overread: // func sequenceDecs_decode_bmi2(s *sequenceDecs, br *bitReader, ctx *decodeAsmContext) int // Requires: BMI, BMI2, CMOV TEXT ·sequenceDecs_decode_bmi2(SB), $8-32 - MOVQ br+8(FP), CX - MOVQ 32(CX), AX - MOVBQZX 40(CX), DX - MOVQ 24(CX), BX - MOVQ (CX), CX + MOVQ br+8(FP), BX + MOVQ 24(BX), AX + MOVBQZX 32(BX), DX + MOVQ (BX), CX + MOVQ 8(BX), BX ADDQ BX, CX MOVQ CX, (SP) MOVQ ctx+16(FP), CX @@ -892,9 +892,9 @@ sequenceDecs_decode_bmi2_match_len_ofs_ok: MOVQ R11, 152(CX) MOVQ R12, 160(CX) MOVQ br+8(FP), CX - MOVQ AX, 32(CX) - MOVB DL, 40(CX) - MOVQ BX, 24(CX) + MOVQ AX, 24(CX) + MOVB DL, 32(CX) + MOVQ BX, 8(CX) // Return success MOVQ $0x00000000, ret+24(FP) @@ -927,11 +927,11 @@ error_overread: // func sequenceDecs_decode_56_bmi2(s *sequenceDecs, br *bitReader, ctx *decodeAsmContext) int // Requires: BMI, BMI2, CMOV TEXT ·sequenceDecs_decode_56_bmi2(SB), $8-32 - MOVQ br+8(FP), CX - MOVQ 32(CX), AX - MOVBQZX 40(CX), DX - MOVQ 24(CX), BX - MOVQ (CX), CX + MOVQ br+8(FP), BX + MOVQ 24(BX), AX + MOVBQZX 32(BX), DX + MOVQ (BX), CX + MOVQ 8(BX), BX ADDQ BX, CX MOVQ CX, (SP) MOVQ ctx+16(FP), CX @@ -1152,9 +1152,9 @@ sequenceDecs_decode_56_bmi2_match_len_ofs_ok: MOVQ R11, 152(CX) MOVQ R12, 160(CX) MOVQ br+8(FP), CX - MOVQ AX, 32(CX) - MOVB DL, 40(CX) - MOVQ BX, 24(CX) + MOVQ AX, 24(CX) + MOVB DL, 32(CX) + MOVQ BX, 8(CX) // Return success MOVQ $0x00000000, ret+24(FP) @@ -1797,11 +1797,11 @@ empty_seqs: // func sequenceDecs_decodeSync_amd64(s *sequenceDecs, br *bitReader, ctx *decodeSyncAsmContext) int // Requires: CMOV, SSE TEXT ·sequenceDecs_decodeSync_amd64(SB), $64-32 - MOVQ br+8(FP), AX - MOVQ 32(AX), DX - MOVBQZX 40(AX), BX - MOVQ 24(AX), SI - MOVQ (AX), AX + MOVQ br+8(FP), CX + MOVQ 24(CX), DX + MOVBQZX 32(CX), BX + MOVQ (CX), AX + MOVQ 8(CX), SI ADDQ SI, AX MOVQ AX, (SP) MOVQ ctx+16(FP), AX @@ -2295,9 +2295,9 @@ handle_loop: loop_finished: MOVQ br+8(FP), AX - MOVQ DX, 32(AX) - MOVB BL, 40(AX) - MOVQ SI, 24(AX) + MOVQ DX, 24(AX) + MOVB BL, 32(AX) + MOVQ SI, 8(AX) // Update the context MOVQ ctx+16(FP), AX @@ -2362,11 +2362,11 @@ error_not_enough_space: // func sequenceDecs_decodeSync_bmi2(s *sequenceDecs, br *bitReader, ctx *decodeSyncAsmContext) int // Requires: BMI, BMI2, CMOV, SSE TEXT ·sequenceDecs_decodeSync_bmi2(SB), $64-32 - MOVQ br+8(FP), CX - MOVQ 32(CX), AX - MOVBQZX 40(CX), DX - MOVQ 24(CX), BX - MOVQ (CX), CX + MOVQ br+8(FP), BX + MOVQ 24(BX), AX + MOVBQZX 32(BX), DX + MOVQ (BX), CX + MOVQ 8(BX), BX ADDQ BX, CX MOVQ CX, (SP) MOVQ ctx+16(FP), CX @@ -2818,9 +2818,9 @@ handle_loop: loop_finished: MOVQ br+8(FP), CX - MOVQ AX, 32(CX) - MOVB DL, 40(CX) - MOVQ BX, 24(CX) + MOVQ AX, 24(CX) + MOVB DL, 32(CX) + MOVQ BX, 8(CX) // Update the context MOVQ ctx+16(FP), AX @@ -2885,11 +2885,11 @@ error_not_enough_space: // func sequenceDecs_decodeSync_safe_amd64(s *sequenceDecs, br *bitReader, ctx *decodeSyncAsmContext) int // Requires: CMOV, SSE TEXT ·sequenceDecs_decodeSync_safe_amd64(SB), $64-32 - MOVQ br+8(FP), AX - MOVQ 32(AX), DX - MOVBQZX 40(AX), BX - MOVQ 24(AX), SI - MOVQ (AX), AX + MOVQ br+8(FP), CX + MOVQ 24(CX), DX + MOVBQZX 32(CX), BX + MOVQ (CX), AX + MOVQ 8(CX), SI ADDQ SI, AX MOVQ AX, (SP) MOVQ ctx+16(FP), AX @@ -3485,9 +3485,9 @@ handle_loop: loop_finished: MOVQ br+8(FP), AX - MOVQ DX, 32(AX) - MOVB BL, 40(AX) - MOVQ SI, 24(AX) + MOVQ DX, 24(AX) + MOVB BL, 32(AX) + MOVQ SI, 8(AX) // Update the context MOVQ ctx+16(FP), AX @@ -3552,11 +3552,11 @@ error_not_enough_space: // func sequenceDecs_decodeSync_safe_bmi2(s *sequenceDecs, br *bitReader, ctx *decodeSyncAsmContext) int // Requires: BMI, BMI2, CMOV, SSE TEXT ·sequenceDecs_decodeSync_safe_bmi2(SB), $64-32 - MOVQ br+8(FP), CX - MOVQ 32(CX), AX - MOVBQZX 40(CX), DX - MOVQ 24(CX), BX - MOVQ (CX), CX + MOVQ br+8(FP), BX + MOVQ 24(BX), AX + MOVBQZX 32(BX), DX + MOVQ (BX), CX + MOVQ 8(BX), BX ADDQ BX, CX MOVQ CX, (SP) MOVQ ctx+16(FP), CX @@ -4110,9 +4110,9 @@ handle_loop: loop_finished: MOVQ br+8(FP), CX - MOVQ AX, 32(CX) - MOVB DL, 40(CX) - MOVQ BX, 24(CX) + MOVQ AX, 24(CX) + MOVB DL, 32(CX) + MOVQ BX, 8(CX) // Update the context MOVQ ctx+16(FP), AX diff --git a/vendor/github.com/klauspost/compress/zstd/seqdec_generic.go b/vendor/github.com/klauspost/compress/zstd/seqdec_generic.go index ac2a80d291..2fb35b788c 100644 --- a/vendor/github.com/klauspost/compress/zstd/seqdec_generic.go +++ b/vendor/github.com/klauspost/compress/zstd/seqdec_generic.go @@ -29,7 +29,7 @@ func (s *sequenceDecs) decode(seqs []seqVals) error { } for i := range seqs { var ll, mo, ml int - if br.off > 4+((maxOffsetBits+16+16)>>3) { + if len(br.in) > 4+((maxOffsetBits+16+16)>>3) { // inlined function: // ll, mo, ml = s.nextFast(br, llState, mlState, ofState) diff --git a/vendor/github.com/klauspost/compress/zstd/snappy.go b/vendor/github.com/klauspost/compress/zstd/snappy.go index 9e1baad73b..ec13594e89 100644 --- a/vendor/github.com/klauspost/compress/zstd/snappy.go +++ b/vendor/github.com/klauspost/compress/zstd/snappy.go @@ -95,10 +95,9 @@ func (r *SnappyConverter) Convert(in io.Reader, w io.Writer) (int64, error) { var written int64 var readHeader bool { - var header []byte - var n int - header, r.err = frameHeader{WindowSize: snappyMaxBlockSize}.appendTo(r.buf[:0]) + header := frameHeader{WindowSize: snappyMaxBlockSize}.appendTo(r.buf[:0]) + var n int n, r.err = w.Write(header) if r.err != nil { return written, r.err diff --git a/vendor/github.com/klauspost/compress/zstd/zstd.go b/vendor/github.com/klauspost/compress/zstd/zstd.go index 89396673d9..4be7cc7367 100644 --- a/vendor/github.com/klauspost/compress/zstd/zstd.go +++ b/vendor/github.com/klauspost/compress/zstd/zstd.go @@ -9,7 +9,6 @@ import ( "errors" "log" "math" - "math/bits" ) // enable debug printing @@ -106,27 +105,6 @@ func printf(format string, a ...interface{}) { } } -// matchLen returns the maximum common prefix length of a and b. -// a must be the shortest of the two. -func matchLen(a, b []byte) (n int) { - for ; len(a) >= 8 && len(b) >= 8; a, b = a[8:], b[8:] { - diff := binary.LittleEndian.Uint64(a) ^ binary.LittleEndian.Uint64(b) - if diff != 0 { - return n + bits.TrailingZeros64(diff)>>3 - } - n += 8 - } - - for i := range a { - if a[i] != b[i] { - break - } - n++ - } - return n - -} - func load3232(b []byte, i int32) uint32 { return binary.LittleEndian.Uint32(b[:len(b):len(b)][i:]) } diff --git a/vendor/modules.txt b/vendor/modules.txt index 39c1a262f6..78b1f39439 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -138,7 +138,7 @@ github.com/imdario/mergo # github.com/inconshreveable/mousetrap v1.1.0 ## explicit; go 1.18 github.com/inconshreveable/mousetrap -# github.com/klauspost/compress v1.16.5 +# github.com/klauspost/compress v1.17.2 ## explicit; go 1.18 github.com/klauspost/compress github.com/klauspost/compress/fse