Fix go/issues/68082 for golang.org/x/net subproject

README.md

@@ -25,9 +25,7 @@ The specific fix logic includes:
 Removing the `Bind()` operation on `Netlink` sockets in the `NetlinkRIB()` function.
 Using `ioctl` based on the Index number returned by `RTM_GETADDR` to retrieve the network card's name, MTU, and flags.
 
-
-
-
+There are two implementations of the `net` package: one from the [Go standard library](https://pkg.go.dev/net) and another from the [golang.org/x/net](https://pkg.go.dev/golang.org/x/net) module. Both of these implementations have the same issues in the Android environment. The `anet` package should be compatible with both of them.
 
 ## Test Code
 ### net.Interface()

interface_android.go

@@ -38,6 +38,7 @@ func Interfaces() ([]net.Interface, error) {
 	}
 	if len(ift) != 0 {
 		zoneCache.update(ift, false)
+		zoneCacheX.update(ift, false)
 	}
 	return ift, nil
 }
@@ -94,6 +95,7 @@ func InterfaceByName(name string) (*net.Interface, error) {
 	}
 	if len(ift) != 0 {
 		zoneCache.update(ift, false)
+		zoneCacheX.update(ift, false)
 	}
 	for _, ifi := range ift {
 		if name == ifi.Name {
@@ -144,6 +146,9 @@ type ipv6ZoneCache struct {
 //go:linkname zoneCache net.zoneCache
 var zoneCache ipv6ZoneCache
 
+//go:linkname zoneCacheX golang.org/x/net/internal/socket.zoneCache
+var zoneCacheX ipv6ZoneCache
+
 // update refreshes the network interface information if the cache was last
 // updated more than 1 minute ago, or if force is set. It reports whether the
 // cache was updated.