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-rw-r--r--pkg/gohacks/gohacks_unsafe.go8
-rw-r--r--pkg/procid/procid_amd64.s4
-rw-r--r--pkg/procid/procid_arm64.s4
-rw-r--r--pkg/sentry/platform/kvm/bluepill_unsafe.go10
-rw-r--r--pkg/sentry/platform/kvm/machine_unsafe.go8
-rw-r--r--pkg/sentry/platform/ptrace/subprocess_unsafe.go8
-rw-r--r--pkg/sync/goyield_unsafe.go8
-rw-r--r--pkg/sync/runtime_unsafe.go13
-rw-r--r--pkg/tcpip/link/rawfile/blockingpoll_yield_unsafe.go7
9 files changed, 49 insertions, 21 deletions
diff --git a/pkg/gohacks/gohacks_unsafe.go b/pkg/gohacks/gohacks_unsafe.go
index 09fc14787..bd8ceba19 100644
--- a/pkg/gohacks/gohacks_unsafe.go
+++ b/pkg/gohacks/gohacks_unsafe.go
@@ -15,7 +15,13 @@
//go:build go1.13 && !go1.18
// +build go1.13,!go1.18
-// Check type signatures when updating Go version.
+// //go:linkname directives type-checked by checklinkname. Any other
+// non-linkname assumptions outside the Go 1 compatibility guarantee should
+// have an accompanied vet check or version guard build tag.
+
+// Check type signatures and Noescape when updating Go version.
+//
+// TODO(b/165820485): add these checks to checklinkname.
// Package gohacks contains utilities for subverting the Go compiler.
package gohacks
diff --git a/pkg/procid/procid_amd64.s b/pkg/procid/procid_amd64.s
index b5bbfff90..74a8de42c 100644
--- a/pkg/procid/procid_amd64.s
+++ b/pkg/procid/procid_amd64.s
@@ -15,6 +15,10 @@
//go:build amd64 && go1.8 && !go1.18 && go1.1
// +build amd64,go1.8,!go1.18,go1.1
+// //go:linkname directives type-checked by checklinkname. Any other
+// non-linkname assumptions outside the Go 1 compatibility guarantee should
+// have an accompanied vet check or version guard build tag.
+
#include "textflag.h"
TEXT ·Current(SB),NOSPLIT,$0-8
diff --git a/pkg/procid/procid_arm64.s b/pkg/procid/procid_arm64.s
index 772d96289..48182c4a9 100644
--- a/pkg/procid/procid_arm64.s
+++ b/pkg/procid/procid_arm64.s
@@ -15,6 +15,10 @@
//go:build arm64 && go1.8 && !go1.18 && go1.1
// +build arm64,go1.8,!go1.18,go1.1
+// //go:linkname directives type-checked by checklinkname. Any other
+// non-linkname assumptions outside the Go 1 compatibility guarantee should
+// have an accompanied vet check or version guard build tag.
+
#include "textflag.h"
TEXT ·Current(SB),NOSPLIT,$0-8
diff --git a/pkg/sentry/platform/kvm/bluepill_unsafe.go b/pkg/sentry/platform/kvm/bluepill_unsafe.go
index f63ab6aba..0f0c1e73b 100644
--- a/pkg/sentry/platform/kvm/bluepill_unsafe.go
+++ b/pkg/sentry/platform/kvm/bluepill_unsafe.go
@@ -12,10 +12,12 @@
// See the License for the specific language governing permissions and
// limitations under the License.
-//go:build go1.12 && !go1.18
-// +build go1.12,!go1.18
+//go:build go1.12
+// +build go1.12
-// Check go:linkname function signatures when updating Go version.
+// //go:linkname directives type-checked by checklinkname. Any other
+// non-linkname assumptions outside the Go 1 compatibility guarantee should
+// have an accompanied vet check or version guard build tag.
package kvm
@@ -28,7 +30,7 @@ import (
)
//go:linkname throw runtime.throw
-func throw(string)
+func throw(s string)
// vCPUPtr returns a CPU for the given address.
//
diff --git a/pkg/sentry/platform/kvm/machine_unsafe.go b/pkg/sentry/platform/kvm/machine_unsafe.go
index 35660e827..cc3a1253b 100644
--- a/pkg/sentry/platform/kvm/machine_unsafe.go
+++ b/pkg/sentry/platform/kvm/machine_unsafe.go
@@ -12,10 +12,12 @@
// See the License for the specific language governing permissions and
// limitations under the License.
-//go:build go1.12 && !go1.18
-// +build go1.12,!go1.18
+//go:build go1.12
+// +build go1.12
-// Check go:linkname function signatures when updating Go version.
+// //go:linkname directives type-checked by checklinkname. Any other
+// non-linkname assumptions outside the Go 1 compatibility guarantee should
+// have an accompanied vet check or version guard build tag.
package kvm
diff --git a/pkg/sentry/platform/ptrace/subprocess_unsafe.go b/pkg/sentry/platform/ptrace/subprocess_unsafe.go
index ffd4665f4..304722200 100644
--- a/pkg/sentry/platform/ptrace/subprocess_unsafe.go
+++ b/pkg/sentry/platform/ptrace/subprocess_unsafe.go
@@ -12,10 +12,12 @@
// See the License for the specific language governing permissions and
// limitations under the License.
-//go:build go1.12 && !go1.18
-// +build go1.12,!go1.18
+//go:build go1.12
+// +build go1.12
-// Check go:linkname function signatures when updating Go version.
+// //go:linkname directives type-checked by checklinkname. Any other
+// non-linkname assumptions outside the Go 1 compatibility guarantee should
+// have an accompanied vet check or version guard build tag.
package ptrace
diff --git a/pkg/sync/goyield_unsafe.go b/pkg/sync/goyield_unsafe.go
index 8639bb64e..757edbaba 100644
--- a/pkg/sync/goyield_unsafe.go
+++ b/pkg/sync/goyield_unsafe.go
@@ -3,10 +3,12 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-//go:build go1.14 && !go1.18
-// +build go1.14,!go1.18
+//go:build go1.14
+// +build go1.14
-// Check go:linkname function signatures when updating Go version.
+// //go:linkname directives type-checked by checklinkname. Any other
+// non-linkname assumptions outside the Go 1 compatibility guarantee should
+// have an accompanied vet check or version guard build tag.
package sync
diff --git a/pkg/sync/runtime_unsafe.go b/pkg/sync/runtime_unsafe.go
index 1d9cf304e..49d4109a9 100644
--- a/pkg/sync/runtime_unsafe.go
+++ b/pkg/sync/runtime_unsafe.go
@@ -6,8 +6,13 @@
//go:build go1.13 && !go1.18
// +build go1.13,!go1.18
-// Check go:linkname function signatures, type definitions, and constants when
-// updating Go version.
+// //go:linkname directives type-checked by checklinkname. Any other
+// non-linkname assumptions outside the Go 1 compatibility guarantee should
+// have an accompanied vet check or version guard build tag.
+
+// Check type definitions and constants when updating Go version.
+//
+// TODO(b/165820485): add these checks to checklinkname.
package sync
@@ -109,10 +114,10 @@ type maptype struct {
// These functions are only used within the sync package.
//go:linkname semacquire sync.runtime_Semacquire
-func semacquire(s *uint32)
+func semacquire(addr *uint32)
//go:linkname semrelease sync.runtime_Semrelease
-func semrelease(s *uint32, handoff bool, skipframes int)
+func semrelease(addr *uint32, handoff bool, skipframes int)
//go:linkname canSpin sync.runtime_canSpin
func canSpin(i int) bool
diff --git a/pkg/tcpip/link/rawfile/blockingpoll_yield_unsafe.go b/pkg/tcpip/link/rawfile/blockingpoll_yield_unsafe.go
index da900c24b..0b7b9e3de 100644
--- a/pkg/tcpip/link/rawfile/blockingpoll_yield_unsafe.go
+++ b/pkg/tcpip/link/rawfile/blockingpoll_yield_unsafe.go
@@ -12,12 +12,13 @@
// See the License for the specific language governing permissions and
// limitations under the License.
-//go:build ((linux && amd64) || (linux && arm64)) && go1.12 && !go1.18
+//go:build ((linux && amd64) || (linux && arm64)) && go1.12
// +build linux,amd64 linux,arm64
// +build go1.12
-// +build !go1.18
-// Check go:linkname function signatures when updating Go version.
+// //go:linkname directives type-checked by checklinkname. Any other
+// non-linkname assumptions outside the Go 1 compatibility guarantee should
+// have an accompanied vet check or version guard build tag.
package rawfile