build(deps): bump github.com/cilium/ebpf from 0.12.1 to 0.12.2

Bumps [github.com/cilium/ebpf](https://github.com/cilium/ebpf) from 0.12.1 to 0.12.2.
- [Release notes](https://github.com/cilium/ebpf/releases)
- [Commits](https://github.com/cilium/ebpf/compare/v0.12.1...v0.12.2)

---
updated-dependencies:
- dependency-name: github.com/cilium/ebpf
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/github.com/cilium/ebpf/internal/sysenc/marshal.go

@@ -11,6 +11,8 @@ import (
 	"unsafe"
 
 	"github.com/cilium/ebpf/internal"
+
+	"golang.org/x/exp/slices"
 )
 
 // Marshal turns data into a byte slice using the system's native endianness.
@@ -88,6 +90,11 @@ func Unmarshal(data interface{}, buf []byte) error {
 		*value = string(buf)
 		return nil
 
+	case *[]byte:
+		// Backwards compat: unmarshaling into a slice replaces the whole slice.
+		*value = slices.Clone(buf)
+		return nil
+
 	default:
 		if dataBuf := unsafeBackingMemory(data); len(dataBuf) == len(buf) {
 			copy(dataBuf, buf)
@@ -99,7 +106,15 @@ func Unmarshal(data interface{}, buf []byte) error {
 
 		rd.Reset(buf)
 
-		return binary.Read(rd, internal.NativeEndian, value)
+		if err := binary.Read(rd, internal.NativeEndian, value); err != nil {
+			return err
+		}
+
+		if rd.Len() != 0 {
+			return fmt.Errorf("unmarshaling %T doesn't consume all data", data)
+		}
+
+		return nil
 	}
 }
 

vendor/github.com/cilium/ebpf/map.go

@@ -1411,11 +1411,7 @@ func (mi *MapIterator) Next(keyOut, valueOut interface{}) bool {
 			return false
 		}
 
-		// The user can get access to nextKey since unmarshalBytes
-		// does not copy when unmarshaling into a []byte.
-		// Make a copy to prevent accidental corruption of
-		// iterator state.
-		copy(mi.curKey, nextKey)
+		mi.curKey = nextKey
 
 		mi.count++
 		mi.err = mi.target.Lookup(nextKey, valueOut)

vendor/github.com/cilium/ebpf/types.go

@@ -219,7 +219,7 @@ const (
 type AttachFlags uint32
 
 // PinType determines whether a map is pinned into a BPFFS.
-type PinType int
+type PinType uint32
 
 // Valid pin types.
 //

vendor/github.com/cilium/ebpf/types_string.go

@@ -111,7 +111,7 @@ const _PinType_name = "PinNonePinByName"
 var _PinType_index = [...]uint8{0, 7, 16}
 
 func (i PinType) String() string {
-	if i < 0 || i >= PinType(len(_PinType_index)-1) {
+	if i >= PinType(len(_PinType_index)-1) {
 		return "PinType(" + strconv.FormatInt(int64(i), 10) + ")"
 	}
 	return _PinType_name[_PinType_index[i]:_PinType_index[i+1]]