diff --git a/src/debug/elf/file_test.go b/src/debug/elf/file_test.go
index 7d5895b650..51a3634db9 100644
--- a/src/debug/elf/file_test.go
+++ b/src/debug/elf/file_test.go
@@ -902,7 +902,7 @@ func TestCompressedSection(t *testing.T) {
 func TestNoSectionOverlaps(t *testing.T) {
 	// Ensure cmd/link outputs sections without overlaps.
 	switch runtime.GOOS {
-	case "aix", "android", "darwin", "ios", "js", "plan9", "windows":
+	case "aix", "android", "darwin", "ios", "js", "plan9", "windows", "wasip1":
 		t.Skipf("cmd/link doesn't produce ELF binaries on %s", runtime.GOOS)
 	}
 	_ = net.ResolveIPAddr // force dynamic linkage
diff --git a/src/go/types/example_test.go b/src/go/types/example_test.go
index b54a142bd4..37b5ea4511 100644
--- a/src/go/types/example_test.go
+++ b/src/go/types/example_test.go
@@ -5,7 +5,7 @@
 // Only run where builders (build.golang.org) have
 // access to compiled packages for import.
 //
-//go:build !android && !ios && !js
+//go:build !android && !ios && !js && !wasip1
 
 package types_test
 
diff --git a/src/io/ioutil/ioutil_test.go b/src/io/ioutil/ioutil_test.go
index db85755bdb..6bff8c691c 100644
--- a/src/io/ioutil/ioutil_test.go
+++ b/src/io/ioutil/ioutil_test.go
@@ -9,6 +9,7 @@ import (
 	. "io/ioutil"
 	"os"
 	"path/filepath"
+	"runtime"
 	"testing"
 )
 
@@ -70,6 +71,9 @@ func TestReadOnlyWriteFile(t *testing.T) {
 	if os.Getuid() == 0 {
 		t.Skipf("Root can write to read-only files anyway, so skip the read-only test.")
 	}
+	if runtime.GOOS == "wasip1" {
+		t.Skip("file permissions are not supported by wasip1")
+	}
 
 	// We don't want to use TempFile directly, since that opens a file for us as 0600.
 	tempDir, err := TempDir("", t.Name())
diff --git a/src/log/syslog/syslog_test.go b/src/log/syslog/syslog_test.go
index de1681d653..c7a5bfbd7b 100644
--- a/src/log/syslog/syslog_test.go
+++ b/src/log/syslog/syslog_test.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !windows && !plan9 && !js
+//go:build !windows && !plan9 && !js && !wasip1
 
 package syslog
 
diff --git a/src/mime/type_unix.go b/src/mime/type_unix.go
index 649d9001e3..90414c1a18 100644
--- a/src/mime/type_unix.go
+++ b/src/mime/type_unix.go
@@ -2,7 +2,7 @@
 // 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)
+//go:build unix || (js && wasm) || wasip1
 
 package mime
 
diff --git a/src/path/filepath/path_test.go b/src/path/filepath/path_test.go
index 9adf641013..cfc5cad863 100644
--- a/src/path/filepath/path_test.go
+++ b/src/path/filepath/path_test.go
@@ -612,8 +612,9 @@ func testWalk(t *testing.T, walk func(string, fs.WalkDirFunc) error, errVisit in
 		// Test permission errors. Only possible if we're not root
 		// and only on some file systems (AFS, FAT).  To avoid errors during
 		// all.bash on those file systems, skip during go test -short.
-		if runtime.GOOS == "windows" {
-			t.Skip("skipping on Windows")
+		// Chmod is not supported on wasip1.
+		if runtime.GOOS == "windows" || runtime.GOOS == "wasip1" {
+			t.Skip("skipping on " + runtime.GOOS)
 		}
 		if os.Getuid() == 0 {
 			t.Skip("skipping as root")
diff --git a/src/path/filepath/path_unix.go b/src/path/filepath/path_unix.go
index ab1d08d356..57e6217434 100644
--- a/src/path/filepath/path_unix.go
+++ b/src/path/filepath/path_unix.go
@@ -2,7 +2,7 @@
 // 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)
+//go:build unix || (js && wasm) || wasip1
 
 package filepath
 
diff --git a/src/testing/run_example.go b/src/testing/run_example.go
index 776fbffc7e..b2c5c3d14c 100644
--- a/src/testing/run_example.go
+++ b/src/testing/run_example.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !js
+//go:build !js && !wasip1
 
 // TODO(@musiol, @odeke-em): re-unify this entire file back into
 // example.go when js/wasm gets an os.Pipe implementation
diff --git a/src/testing/run_example_js.go b/src/testing/run_example_wasm.go
similarity index 98%
rename from src/testing/run_example_js.go
rename to src/testing/run_example_wasm.go
index 572c6b3e2e..b815fcdbd7 100644
--- a/src/testing/run_example_js.go
+++ b/src/testing/run_example_wasm.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build js
+//go:build js || wasip1
 
 package testing
 
diff --git a/test/const7.go b/test/const7.go
index 8b252a24cf..a229fcc096 100644
--- a/test/const7.go
+++ b/test/const7.go
@@ -59,7 +59,7 @@ func testProg(dir, name string, length int, msg string) {
 }
 
 func main() {
-	if runtime.GOOS == "js" || runtime.Compiler != "gc" {
+	if runtime.GOOS == "js" || runtime.GOOS == "wasip1" || runtime.Compiler != "gc" {
 		return
 	}
 
diff --git a/test/fixedbugs/bug369.go b/test/fixedbugs/bug369.go
index 65dd9adc73..47258fe3fe 100644
--- a/test/fixedbugs/bug369.go
+++ b/test/fixedbugs/bug369.go
@@ -1,4 +1,4 @@
-// +build !nacl,!js,gc
+// +build !nacl,!js,!wasip1,gc
 // run
 
 // Copyright 2011 The Go Authors. All rights reserved.
diff --git a/test/fixedbugs/issue11771.go b/test/fixedbugs/issue11771.go
index e5bed186bb..657e1b0519 100644
--- a/test/fixedbugs/issue11771.go
+++ b/test/fixedbugs/issue11771.go
@@ -1,4 +1,4 @@
-// +build !nacl,!js,gc
+// +build !nacl,!js,!wasip1,gc
 // run
 
 // Copyright 2015 The Go Authors. All rights reserved.
diff --git a/test/fixedbugs/issue14636.go b/test/fixedbugs/issue14636.go
index 06fd193dae..770fb4adc9 100644
--- a/test/fixedbugs/issue14636.go
+++ b/test/fixedbugs/issue14636.go
@@ -1,4 +1,4 @@
-// +build !nacl,!js,!android,gc
+// +build !nacl,!js,!wasip1,!android,gc
 // run
 
 // Copyright 2016 The Go Authors. All rights reserved.
diff --git a/test/fixedbugs/issue16037_run.go b/test/fixedbugs/issue16037_run.go
index 68104a9000..610fd2d395 100644
--- a/test/fixedbugs/issue16037_run.go
+++ b/test/fixedbugs/issue16037_run.go
@@ -1,4 +1,4 @@
-// +build !nacl,!js,!android,!gccgo
+// +build !nacl,!js,!wasip1,!android,!gccgo
 // run
 
 // Copyright 2016 The Go Authors. All rights reserved.
diff --git a/test/fixedbugs/issue19182.go b/test/fixedbugs/issue19182.go
index e1f3ffb474..f5e44e98c2 100644
--- a/test/fixedbugs/issue19182.go
+++ b/test/fixedbugs/issue19182.go
@@ -1,5 +1,5 @@
 // run
-// +build !js
+// +build !js,!wasip1
 
 // Copyright 2017 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
diff --git a/test/fixedbugs/issue19658.go b/test/fixedbugs/issue19658.go
index 70fa3a65c3..1e13573b72 100644
--- a/test/fixedbugs/issue19658.go
+++ b/test/fixedbugs/issue19658.go
@@ -1,5 +1,5 @@
 // run
-//go:build !nacl && !js && !gccgo
+//go:build !nacl && !js && !wasip1 && !gccgo
 
 // Copyright 2017 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
diff --git a/test/fixedbugs/issue21317.go b/test/fixedbugs/issue21317.go
index 81379dcc33..75d871cbae 100644
--- a/test/fixedbugs/issue21317.go
+++ b/test/fixedbugs/issue21317.go
@@ -1,4 +1,4 @@
-// +build !js,gc
+// +build !js,!wasip1,gc
 // run
 
 // Copyright 2017 The Go Authors. All rights reserved.
diff --git a/test/fixedbugs/issue21576.go b/test/fixedbugs/issue21576.go
index 3f9b1ba008..8e1e3ad495 100644
--- a/test/fixedbugs/issue21576.go
+++ b/test/fixedbugs/issue21576.go
@@ -1,6 +1,6 @@
 // run
 
-// +build !nacl,!js,!gccgo
+// +build !nacl,!js,!wasip1,!gccgo
 
 // Copyright 2019 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
diff --git a/test/fixedbugs/issue22660.go b/test/fixedbugs/issue22660.go
index 7f542c5153..150de174af 100644
--- a/test/fixedbugs/issue22660.go
+++ b/test/fixedbugs/issue22660.go
@@ -1,4 +1,4 @@
-// +build !js,gc
+// +build !js,!wasip1,gc
 // run
 
 // Copyright 2017 The Go Authors. All rights reserved.
diff --git a/test/fixedbugs/issue22662b.go b/test/fixedbugs/issue22662b.go
index df4f28429c..c7a1e0558b 100644
--- a/test/fixedbugs/issue22662b.go
+++ b/test/fixedbugs/issue22662b.go
@@ -1,4 +1,4 @@
-// +build !js,gc
+// +build !js,!wasip1,gc
 // run
 
 // Copyright 2018 The Go Authors. All rights reserved.
diff --git a/test/fixedbugs/issue26411.go b/test/fixedbugs/issue26411.go
index eb17960c47..3ae9e03936 100644
--- a/test/fixedbugs/issue26411.go
+++ b/test/fixedbugs/issue26411.go
@@ -1,4 +1,4 @@
-// +build !nacl,!js
+// +build !nacl,!js,!wasip1
 // run
 
 // Copyright 2018 The Go Authors. All rights reserved.
diff --git a/test/fixedbugs/issue33275_run.go b/test/fixedbugs/issue33275_run.go
index ed03dccf4c..f2818b0f51 100644
--- a/test/fixedbugs/issue33275_run.go
+++ b/test/fixedbugs/issue33275_run.go
@@ -1,4 +1,4 @@
-// +build !nacl,!js,!gccgo
+// +build !nacl,!js,!wasip1,!gccgo
 // run
 
 // Copyright 2019 The Go Authors. All rights reserved.
diff --git a/test/fixedbugs/issue33555.go b/test/fixedbugs/issue33555.go
index c1fcd2a79b..e7fe41e451 100644
--- a/test/fixedbugs/issue33555.go
+++ b/test/fixedbugs/issue33555.go
@@ -1,4 +1,4 @@
-// +build !nacl,!js,!gccgo
+// +build !nacl,!js,!wasip1,!gccgo
 // run
 
 // Copyright 2019 The Go Authors. All rights reserved.
diff --git a/test/fixedbugs/issue36437.go b/test/fixedbugs/issue36437.go
index c7a11d27a8..c16e7ef48f 100644
--- a/test/fixedbugs/issue36437.go
+++ b/test/fixedbugs/issue36437.go
@@ -1,6 +1,6 @@
 // run
 
-// +build !nacl,!js,gc
+// +build !nacl,!js,!wasip1,gc
 
 // Copyright 2020 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
diff --git a/test/fixedbugs/issue46234.go b/test/fixedbugs/issue46234.go
index ed1c05cfbf..ae280190eb 100644
--- a/test/fixedbugs/issue46234.go
+++ b/test/fixedbugs/issue46234.go
@@ -1,7 +1,7 @@
 // buildrun -t 45
 
-//go:build !js
-// +build !js
+//go:build !js && !wasip1
+// +build !js,!wasip1
 
 // Copyright 2021 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
diff --git a/test/fixedbugs/issue52127.go b/test/fixedbugs/issue52127.go
index 7738c3fabf..68abe3fdbb 100644
--- a/test/fixedbugs/issue52127.go
+++ b/test/fixedbugs/issue52127.go
@@ -1,6 +1,6 @@
 // run
-//go:build !js
-// +build !js
+//go:build !js && !wasip1
+// +build !js,!wasip1
 
 // Copyright 2022 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
diff --git a/test/fixedbugs/issue9355.go b/test/fixedbugs/issue9355.go
index 1c3999c67c..2670f15574 100644
--- a/test/fixedbugs/issue9355.go
+++ b/test/fixedbugs/issue9355.go
@@ -1,4 +1,4 @@
-// +build !js,gc
+// +build !js,!wasip1,gc
 // run
 
 // Copyright 2014 The Go Authors. All rights reserved.
diff --git a/test/fixedbugs/issue9862_run.go b/test/fixedbugs/issue9862_run.go
index c956c7f7bd..edf8dfaf32 100644
--- a/test/fixedbugs/issue9862_run.go
+++ b/test/fixedbugs/issue9862_run.go
@@ -1,4 +1,4 @@
-// +build !nacl,!js,gc
+// +build !nacl,!js,!wasip1,gc
 // run
 
 // Copyright 2015 The Go Authors. All rights reserved.
diff --git a/test/linkmain_run.go b/test/linkmain_run.go
index f4f6c4320e..f2ab681c0d 100644
--- a/test/linkmain_run.go
+++ b/test/linkmain_run.go
@@ -1,4 +1,4 @@
-// +build !nacl,!js
+// +build !nacl,!js,!wasip1
 // run
 
 // Copyright 2014 The Go Authors. All rights reserved.
diff --git a/test/linkobj.go b/test/linkobj.go
index 35ff63ba67..fcf3f88919 100644
--- a/test/linkobj.go
+++ b/test/linkobj.go
@@ -1,4 +1,4 @@
-// +build !nacl,!js,gc
+// +build !nacl,!js,gc,!wasip1
 // run
 
 // Copyright 2016 The Go Authors. All rights reserved.
diff --git a/test/linkx_run.go b/test/linkx_run.go
index ccfc3a93df..b7b1ea87f0 100644
--- a/test/linkx_run.go
+++ b/test/linkx_run.go
@@ -1,4 +1,4 @@
-// +build !nacl,!js,gc
+// +build !nacl,!js,!wasip1,gc
 // run
 
 // Copyright 2014 The Go Authors. All rights reserved.
diff --git a/test/live_uintptrkeepalive.go b/test/live_uintptrkeepalive.go
index e39e31f77f..566734e505 100644
--- a/test/live_uintptrkeepalive.go
+++ b/test/live_uintptrkeepalive.go
@@ -1,6 +1,6 @@
 // errorcheck -0 -m -live -std
 
-// +build !windows,!js
+// +build !windows,!js,!wasip1
 
 // Copyright 2015 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
diff --git a/test/nosplit.go b/test/nosplit.go
index 218eb73727..a695654eaf 100644
--- a/test/nosplit.go
+++ b/test/nosplit.go
@@ -1,4 +1,4 @@
-// +build !nacl,!js,!aix,!gcflags_noopt,gc
+// +build !nacl,!js,!aix,!wasip1,!gcflags_noopt,gc
 // run
 
 // Copyright 2014 The Go Authors. All rights reserved.
diff --git a/test/sigchld.go b/test/sigchld.go
index 3b49606409..fc6cf91b57 100644
--- a/test/sigchld.go
+++ b/test/sigchld.go
@@ -1,4 +1,4 @@
-// +build !plan9,!windows
+// +build !plan9,!windows,!wasip1
 // run
 
 // Copyright 2009 The Go Authors. All rights reserved.