fix(net,linux): fix decodeaddress if Big Endian

net/net.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"net"
+	"unsafe"
 
 	"github.com/shirou/gopsutil/v3/internal/common"
 )
@@ -271,3 +272,10 @@ func getIOCountersAll(n []IOCountersStat) ([]IOCountersStat, error) {
 
 	return []IOCountersStat{r}, nil
 }
+
+// IsLittleEndian checks if the current platform uses little-endian.
+// copied from https://github.com/ntrrg/ntgo/blob/v0.8.0/runtime/infrastructure.go#L16 (MIT License)
+func IsLittleEndian() bool {
+	var x int16 = 0x0011
+	return *(*byte)(unsafe.Pointer(&x)) == 0x11
+}

net/net_linux.go

@@ -721,9 +721,13 @@ func decodeAddressWithContext(ctx context.Context, family uint32, src string) (A
 		return Addr{}, fmt.Errorf("decode error, %w", err)
 	}
 	var ip net.IP
-	// Assumes this is little_endian
+
 	if family == syscall.AF_INET {
-		ip = net.IP(ReverseWithContext(ctx, decoded))
+		if IsLittleEndian() {
+			ip = net.IP(ReverseWithContext(ctx, decoded))
+		} else {
+			ip = net.IP(decoded)
+		}
 	} else { // IPv6
 		ip, err = parseIPv6HexStringWithContext(ctx, decoded)
 		if err != nil {