windows: support nil security descriptor on GetNamedSecurityInfo

GetNamedSecurityInfoW may return a nil security descriptor when the
object exists but has no security descriptor. This change allows
GetNamedSecurityInfo to return a nil *SECURITY_DESCRIPTOR in that case,
instead of crashing when trying to copy the nil security descriptor.

Fixes golang/go#78396

Change-Id: I2f8d26a431e0a5c3de535cf8983db1465acc24fe
Reviewed-on: https://go-review.googlesource.com/c/sys/+/760160
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Damien Neil <dneil@google.com>
1 file changed
tree: 1694dd04b4abf86cb4a6ff26826e08d7977b4b59
  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.

Report Issues / Send Patches

This repository uses Gerrit for code changes. To learn how to submit changes to this repository, see https://go.dev/doc/contribute.

The git repository is https://go.googlesource.com/sys.

The main issue tracker for the sys repository is located at https://go.dev/issues. Prefix your issue with “x/sys:” in the subject line, so it is easy to find.