ce9b512ccc
Some versions of libc, in this case Android's bionic, point environ directly at the envp memory. https://android.googlesource.com/platform/bionic/+/master/libc/bionic/libc_init_common.cpp#104 The Go runtime does something surprisingly similar, building the runtime's envs []string using gostringnocopy. Both libc and the Go runtime reusing memory interacts badly. When syscall.Setenv uses cgo to call setenv(3), C modifies the underlying memory of a Go string. This manifests on android/arm. With GOROOT=/data/local/tmp, a runtime test calls syscall.Setenv("/os"), resulting in runtime.GOROOT()=="/os\x00a/local/tmp/goroot". Avoid this by copying environment string memory into Go. Covered by runtime.TestFixedGOROOT on android/arm. Change-Id: Id0cf9553969f587addd462f2239dafca1cf371fa Reviewed-on: https://go-review.googlesource.com/7663 Reviewed-by: Keith Randall <khr@golang.org> |
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The Go Programming Language
Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.
For documentation about how to install and use Go, visit https://golang.org/ or load doc/install-source.html in your web browser.
Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.
Please report issues here: https://golang.org/issue/new
Go is the work of hundreds of contributors. We appreciate your help!
To contribute, please read the contribution guidelines: https://golang.org/doc/contribute.html
Please note that we do not use pull requests.
Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.
--
Binary Distribution Notes
If you have just untarred a binary Go distribution, you need to set the environment variable $GOROOT to the full path of the go directory (the one containing this file). You can omit the variable if you unpack it into /usr/local/go, or if you rebuild from sources by running all.bash (see doc/install-source.html). You should also add the Go binary directory $GOROOT/bin to your shell's path.
For example, if you extracted the tar file into $HOME/go, you might put the following in your .profile:
export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin
See https://golang.org/doc/install or doc/install.html for more details.