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Native LZO implementation in Go

License: GNU General Public License v2.0

Go 100.00%

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pmezard liwei-link avan06 getstream rminnich ascend-io rocky1001 kaiarvin

go-lzo's Issues

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Possible infinite loop with single byte input

Hello,

I just ran go-fuzz on the decompressor and it found this possibly triggering an infinite loop:

https://github.com/pmezard/go-lzo/blob/fuzz-it/crashers/5ba93c9db0cff93f52b521d7420e43f6eda2784f

with the fuzzer here:

https://github.com/pmezard/go-lzo/blob/fuzz-it/fuzz.go

(I committed the corpus/ to the branch as well if you are interested).

I do not know if you implemented it just as an experiment or if you care about such reports.

Decompression not working lookbehind underrun

It does not decompress packets, getting lookbehind underrun but I am using java anarres.lzo and I decompress the data

compression of files

Hi,
I am using go language. And i want to compress files which are retrieved by ls command. I want to use rasky/go-lzo package. please guide me how can i do this?

Proposal to dual license the project

Can this project be dual licensed? perhaps in Apache 2.0 or MIT such that Apache 2.0 projects can link against this library?

Current LICENSE.gpl is too restrictive and incompatible with Apache 2.0 released projects.

Can't decompress LZO compressed in Python

Hi Giovanni,

I have a Python application that compresses data using python-lzo and then decompresses when needed in another part of application.

I'm currently porting decompressing part of the application to golang and for some reason when I'm trying to use your library it always throws LookBehindUnderrun error at me. Here is the code I'm using:

import (
    "bytes"
    "fmt"

    "github.com/rasky/go-lzo"
)

outData, err = lzo.Decompress1X(bytes.NewReader(inData), 0, 0)
if err != nil {
    fmt.Println(err)
}

Any ideas ?

Thanks in advance.

Implement io.Reader interface

like gzip's or snappy's see: https://github.com/golang/snappy/blob/master/decode.go#L138

Go1.13 golang.org/cl/161477 will break Decompress1X runtime error handling

Upcoming Go 1.13 change https://golang.org/cl/161477 updates the runtime error strings for index out of range errors, which breaks the assumption that Decompress1X func has on it at https://github.com/rasky/go-lzo/blob/master/decompress.go#L160.

$ go version
$ go version devel +431b5c69ca Tue Apr 16 21:54:01 2019 +0000 darwin/amd64
$ go test
--- FAIL: TestDecompInlen (0.00s)
panic: runtime error: index out of range [0] with length 0 [recovered]
        panic: runtime error: index out of range [0] with length 0 [recovered]
        panic: runtime error: index out of range [0] with length 0

goroutine 20 [running]:
testing.tRunner.func1(0xc0000e8100)
        /Users/herbie/work/go113/go/src/testing/testing.go:830 +0x3a3
panic(0x115b440, 0xc00010a020)
        /Users/herbie/work/go113/go/src/runtime/panic.go:619 +0x1b2
github.com/rasky/go-lzo.Decompress1X.func1(0xc000106e70)
        /Users/herbie/work/google3-go/lzo/decompress.go:165 +0xfa
panic(0x115b440, 0xc00010a020)
        /Users/herbie/work/go113/go/src/runtime/panic.go:619 +0x1b2
github.com/rasky/go-lzo.(*reader).ReadU16(...)
        /Users/herbie/work/google3-go/lzo/decompress.go:94
github.com/rasky/go-lzo.Decompress1X(0x1199c40, 0xc0000c2040, 0x31, 0x0, 0xc0000d6090, 0xf, 0x10, 0x0, 0x0)
        /Users/herbie/work/google3-go/lzo/decompress.go:234 +0x944
github.com/rasky/go-lzo.TestDecompInlen(0xc0000e8100)
        /Users/herbie/work/google3-go/lzo/compress_test.go:126 +0x20c
testing.tRunner(0xc0000e8100, 0x1177800)
        /Users/herbie/work/go113/go/src/testing/testing.go:865 +0xbf
created by testing.(*T).Run
        /Users/herbie/work/go113/go/src/testing/testing.go:916 +0x350
exit status 2
FAIL    github.com/rasky/go-lzo 0.024s

I'll send a PR to update the check.

rasky / go-lzo Goto Github PK

go-lzo's People

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go-lzo's Issues

Add project to https://github.com/golang/go/wiki/Projects

Possible infinite loop with single byte input

Decompression not working lookbehind underrun

compression of files

Proposal to dual license the project

Can't decompress LZO compressed in Python

Implement io.Reader interface

Go1.13 golang.org/cl/161477 will break Decompress1X runtime error handling

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