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net: ignore unnamed interfaces on DragonFly 

On DragonFly it seems that we can see an unnamed interface,
but be unable to retrieve it. Skip unnamed interface cases.

For #71064

Change-Id: Ie9af74bd656d403ddc19cc5f14062cd8e0fa2571
Reviewed-on: https://go-review.googlesource.com/c/go/+/646675
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Commit-Queue: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Ian Lance Taylor 2025-02-04 14:23:14 -08:00 committed by Gopher Robot
parent b485e5bceb
commit 0e35fb2f99
1 changed files with 6 additions and 0 deletions
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6
src/internal/routebsd/interface_classic.go
View File

@ -41,6 +41,12 @@ func (w *wireFormat) parseInterfaceMessage(b []byte) (Message, error) {
}
m.Addrs[syscall.RTAX_IFP] = a
m.Name = a.(*LinkAddr).Name
} else {
// DragonFly seems to have unnamed interfaces
// that we can't look up again. Just skip them.
if runtime.GOOS == "dragonfly" {
return nil, nil
}
}
return m, nil