[release-branch.go1.22] net: check SkipAdditional error result
This will avoid a potential endless loop for a corrupt DNS packet.
For #66754
Fixes #67040
Change-Id: I46591b3f7695bcc88d2312833e45955f8c129d2b
Reviewed-on: https://go-review.googlesource.com/c/go/+/578375
Reviewed-by: Damien Neil <dneil@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Commit-Queue: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
(cherry picked from commit
ddfab21e464b9b4c15fe3dc97eb5d93a4932f434)
Reviewed-on: https://go-review.googlesource.com/c/go/+/581816
Reviewed-by: David Chase <drchase@google.com>