diff --git a/src/cmd/cgo/internal/testplugin/plugin_test.go b/src/cmd/cgo/internal/testplugin/plugin_test.go
index 22fa35512b..2950b6c970 100644
--- a/src/cmd/cgo/internal/testplugin/plugin_test.go
+++ b/src/cmd/cgo/internal/testplugin/plugin_test.go
@@ -380,9 +380,11 @@ func TestForkExec(t *testing.T) {
 	}
 }
 
-func TestGeneric(t *testing.T) {
+func TestSymbolNameMangle(t *testing.T) {
 	// Issue 58800: generic function name may contain weird characters
 	// that confuse the external linker.
+	// Issue 62098: the name mangling code doesn't handle some string
+	// symbols correctly.
 	globalSkip(t)
-	goCmd(t, "build", "-buildmode=plugin", "-o", "generic.so", "./generic/plugin.go")
+	goCmd(t, "build", "-buildmode=plugin", "-o", "mangle.so", "./mangle/plugin.go")
 }
diff --git a/src/cmd/cgo/internal/testplugin/testdata/generic/plugin.go b/src/cmd/cgo/internal/testplugin/testdata/mangle/plugin.go
similarity index 57%
rename from src/cmd/cgo/internal/testplugin/testdata/generic/plugin.go
rename to src/cmd/cgo/internal/testplugin/testdata/mangle/plugin.go
index 6d3835a7ec..e1ccb70672 100644
--- a/src/cmd/cgo/internal/testplugin/testdata/generic/plugin.go
+++ b/src/cmd/cgo/internal/testplugin/testdata/mangle/plugin.go
@@ -2,21 +2,37 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// Instantiated function name may contain weird characters
-// that confuse the external linker, so it needs to be
-// mangled.
+// Test cases for symbol name mangling.
 
 package main
 
-//go:noinline
-func F[T any]() {}
+import (
+	"fmt"
+	"strings"
+)
 
+// Issue 58800:
+// Instantiated function name may contain weird characters
+// that confuse the external linker, so it needs to be
+// mangled.
 type S struct {
 	X int `parser:"|@@)"`
 }
 
+//go:noinline
+func F[T any]() {}
+
 func P() {
 	F[S]()
 }
 
+// Issue 62098: the name mangling code doesn't handle some string
+// symbols correctly.
+func G(id string) error {
+	if strings.ContainsAny(id, "&$@;/:+,?\\{^}%`]\">[~<#|") {
+		return fmt.Errorf("invalid")
+	}
+	return nil
+}
+
 func main() {}
diff --git a/src/cmd/link/internal/ld/lib.go b/src/cmd/link/internal/ld/lib.go
index c512d9a089..a6f7173706 100644
--- a/src/cmd/link/internal/ld/lib.go
+++ b/src/cmd/link/internal/ld/lib.go
@@ -993,6 +993,11 @@ func typeSymbolMangle(name string) string {
 	if strings.HasPrefix(name, "type:runtime.") {
 		return name
 	}
+	if strings.HasPrefix(name, "go:string.") {
+		// String symbols will be grouped to a single go:string.* symbol.
+		// No need to mangle individual symbol names.
+		return name
+	}
 	if len(name) <= 14 && !strings.Contains(name, "@") { // Issue 19529
 		return name
 	}
@@ -1007,7 +1012,7 @@ func typeSymbolMangle(name string) string {
 	// instantiated symbol, replace type name in []
 	i := strings.IndexByte(name, '[')
 	j := strings.LastIndexByte(name, ']')
-	if j == -1 {
+	if j == -1 || j <= i {
 		j = len(name)
 	}
 	hash := notsha256.Sum256([]byte(name[i+1 : j]))