unix/linux/mkall: remove race on stderr buffer

Before this CL the code would create two different exec.Command
values with Stderr pointing to a single shared bytes.Buffer.
Since we really don't need a buffer here, change it to use a pipe.

Change-Id: Ie29b872cb5bac1eb023bd4a6b650bfb80ee9c041
Reviewed-on: https://go-review.googlesource.com/c/sys/+/817360
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
LUCI-TryBot-Result: golang-scoped@luci-project-accounts.iam.gserviceaccount.com <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
1 file changed
tree: 43c39b60abd22aff49b59ab5b609326cc98c49df
  1. cpu/
  2. execabs/
  3. plan9/
  4. unix/
  5. windows/
  6. .gitattributes
  7. .gitignore
  8. codereview.cfg
  9. CONTRIBUTING.md
  10. go.mod
  11. LICENSE
  12. PATENTS
  13. README.md
README.md

sys

Go Reference

This repository holds supplemental Go packages for low-level interactions with the operating system.

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