// Unmarshal a single XML element into val.
func (d *Decoder) unmarshal(val reflect.Value, start *StartElement, depth int) error {
	if depth >= maxUnmarshalDepth || runtime.GOARCH == "wasm" && depth >= maxUnmarshalDepthWasm {
		return errUnmarshalDepth
	}
	// Find start element if we need it.
	if start == nil {
		for {
			tok, err := d.Token()
			if err != nil {
				return err
			}

// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build unix || (js && wasm) || wasip1 || windows

package runtime

import (
	"internal/runtime/atomic"
	"runtime/internal/sys"
	"unsafe"
)

// Integrated network poller (platform-independent part).
// A particular implementation (epoll/kqueue/port/AIX/Windows)

	// WASI does not support unix-like permissions, but Go programs are likely
	// to expect the permission bits to not be zero so we set defaults to help
	// avoid breaking applications that are migrating to WASM.
	if st.Filetype == FILETYPE_DIRECTORY {
		st.Mode = 0700
	} else {
		st.Mode = 0600
	}
}

func Unlink(path string) error {
	if path == "" {
		return EINVAL
	}

		t.Fatalf("Unmarshal unexpected error: got %q, want %q", err, errUnmarshalDepth)
	}
}

func TestCVE202230633(t *testing.T) {
	if testing.Short() || runtime.GOARCH == "wasm" {
		t.Skip("test requires significant memory")
	}
	defer func() {
		p := recover()
		if p != nil {
			t.Fatal("Unmarshal panicked")
		}
	}()
	var example struct {
		Things []string

	deferreturn := uint32(0)
	lastWasmAddr := uint32(0)

	relocs := ldr.Relocs(s)
	for ri := 0; ri < relocs.Count(); ri++ {
		r := relocs.At(ri)
		if target.IsWasm() && r.Type() == objabi.R_ADDR {
			// wasm/ssa.go generates an ARESUMEPOINT just
			// before the deferreturn call. The "PC" of
			// the deferreturn call is stored in the
			// R_ADDR relocation on the ARESUMEPOINT.
			lastWasmAddr = uint32(r.Add())
		}

	var target *obj.Addr
	prog := &obj.Prog{
		Ctxt: p.ctxt,
		Pos:  p.pos(),
		As:   op,
	}
	targetAddr := &prog.To
	switch len(a) {
	case 0:
		if p.arch.Family == sys.Wasm {
			target = &obj.Addr{Type: obj.TYPE_NONE}
			break
		}
		p.errorf("wrong number of arguments to %s instruction", op)
		return
	case 1:
		target = &a[0]
	case 2:
		// Special 2-operand jumps.

// recursive template invocations. This limit allows us to return
// an error instead of triggering a stack overflow.
var maxExecDepth = initMaxExecDepth()

func initMaxExecDepth() int {
	if runtime.GOARCH == "wasm" {
		return 1000
	}
	return 100000
}

// state represents the state of an execution. It's not part of the
// template so that multiple executions of the same template
// can execute in parallel.

		}
	}

	if gp.stack.lo == 0 {
		throw("missing stack in newstack")
	}
	sp := gp.sched.sp
	if goarch.ArchFamily == goarch.AMD64 || goarch.ArchFamily == goarch.I386 || goarch.ArchFamily == goarch.WASM {
		// The call to morestack cost a word.
		sp -= goarch.PtrSize
	}
	if stackDebug >= 1 || sp < gp.stack.lo {
		print("runtime: newstack sp=", hex(sp), " stack=[", hex(gp.stack.lo), ", ", hex(gp.stack.hi), "]\n",

// triggered this panic.
func panicCheck1(pc uintptr, msg string) {
	if goarch.IsWasm == 0 && stringslite.HasPrefix(funcname(findfunc(pc)), "runtime.") {
		// Note: wasm can't tail call, so we can't get the original caller's pc.
		throw(msg)
	}
	// TODO: is this redundant? How could we be in malloc
	// but not in the runtime? runtime/internal/*, maybe?
	gp := getg()