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alex.schade 08ed4882aa cmd/go/internal/modfetch: avoid leaking a lockedfile.File in case of write errors 
The go modules download command has a method called hashZip which checks the
hash of a zipped directory versus an expected value, and then writes it out
to a file. In the event that the write operation is not successful, we do
not close the file, leading to it being leaked. This could happen if the
user runs out of disk space, causing the underlying OS write command to
return an error. Ultimately, this led to a panic in lockfile.OpenFile which
was invoked from a finalizer garbage collecting the leaked file. The result
was a stack trace that didn't show the call stack from where the write
operation actually failed.

Fixes #50858

Change-Id: I4a24d2ab13dc903d623bbf8252b37bb9d724b8de
GitHub-Last-Rev: 354ef1d29e
GitHub-Pull-Request: golang/go#51058
Reviewed-on: https://go-review.googlesource.com/c/go/+/383915
Trust: Cherry Mui <cherryyz@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-02-15 21:18:59 +00:00
.github .github: remove duplicate security link 2022-01-07 17:55:09 +00:00
api runtime/debug: replace (*BuildInfo).Marshal methods with Parse and String 2022-02-09 19:44:03 +00:00
doc doc/go1.18: remove ppc regabi TODO as it's in the compiler section 2022-02-14 19:37:40 +00:00
lib/time lib/time, time/tzdata: update to 2021e 2021-11-11 05:16:39 +00:00
misc misc/reboot: don't use symlinks when copying GOROOT/src 2022-02-08 15:30:12 +00:00
src cmd/go/internal/modfetch: avoid leaking a lockedfile.File in case of write errors 2022-02-15 21:18:59 +00:00
test cmd/compile: correct type of pointer difference on RISCV64 2022-02-14 23:08:44 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore internal/buildcfg: move build configuration out of cmd/internal/objabi 2021-04-16 19:20:53 +00:00
AUTHORS A+C: add Bharath Kumar Uppala (individual CLA) 2021-11-29 00:57:09 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS A+C: add Bharath Kumar Uppala (individual CLA) 2021-11-29 00:57:09 +00:00
LICENSE
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README.md README.md: update contribute URL 2021-09-30 13:33:21 +00:00
SECURITY.md SECURITY.md: update go versions 2019-09-26 15:34:57 +00:00

README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Gopher image Gopher image by Renee French, licensed under Creative Commons 3.0 Attributions license.

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.

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

Download and Install

Binary Distributions

Official binary distributions are available at https://golang.org/dl/.

After downloading a binary release, visit https://golang.org/doc/install for installation instructions.

Install From Source

If a binary distribution is not available for your combination of operating system and architecture, visit https://golang.org/doc/install/source for source installation instructions.

Contributing

Go is the work of thousands of contributors. We appreciate your help!

To contribute, please read the contribution guidelines at https://golang.org/doc/contribute.

Note that the Go project uses the issue tracker for bug reports and proposals only. See https://golang.org/wiki/Questions for a list of places to ask questions about the Go language.