Merge release-20200914.0-152-g0a7075f38 (automated)

5 files changed, 238 insertions, 0 deletions

diff --git a/pkg/sentry/devices/memdev/full.go b/pkg/sentry/devices/memdev/full.go
index 511179e31..fece3e762 100644
--- a/pkg/sentry/devices/memdev/full.go
+++ b/pkg/sentry/devices/memdev/full.go
@@ -24,6 +24,8 @@ import (
 const fullDevMinor = 7
 
 // fullDevice implements vfs.Device for /dev/full.
+//
+// +stateify savable
 type fullDevice struct{}
 
 // Open implements vfs.Device.Open.
@@ -38,6 +40,8 @@ func (fullDevice) Open(ctx context.Context, mnt *vfs.Mount, vfsd *vfs.Dentry, op
 }
 
 // fullFD implements vfs.FileDescriptionImpl for /dev/full.
+//
+// +stateify savable
 type fullFD struct {
 	vfsfd vfs.FileDescription
 	vfs.FileDescriptionDefaultImpl
diff --git a/pkg/sentry/devices/memdev/memdev_state_autogen.go b/pkg/sentry/devices/memdev/memdev_state_autogen.go
index 2676fbbe5..127ea03ee 100644
--- a/pkg/sentry/devices/memdev/memdev_state_autogen.go
+++ b/pkg/sentry/devices/memdev/memdev_state_autogen.go
@@ -1,3 +1,225 @@
 // automatically generated by stateify.
 
 package memdev
+
+import (
+	"gvisor.dev/gvisor/pkg/state"
+)
+
+func (x *fullDevice) StateTypeName() string {
+	return "pkg/sentry/devices/memdev.fullDevice"
+}
+
+func (x *fullDevice) StateFields() []string {
+	return []string{}
+}
+
+func (x *fullDevice) beforeSave() {}
+
+func (x *fullDevice) StateSave(m state.Sink) {
+	x.beforeSave()
+}
+
+func (x *fullDevice) afterLoad() {}
+
+func (x *fullDevice) StateLoad(m state.Source) {
+}
+
+func (x *fullFD) StateTypeName() string {
+	return "pkg/sentry/devices/memdev.fullFD"
+}
+
+func (x *fullFD) StateFields() []string {
+	return []string{
+		"vfsfd",
+		"FileDescriptionDefaultImpl",
+		"DentryMetadataFileDescriptionImpl",
+		"NoLockFD",
+	}
+}
+
+func (x *fullFD) beforeSave() {}
+
+func (x *fullFD) StateSave(m state.Sink) {
+	x.beforeSave()
+	m.Save(0, &x.vfsfd)
+	m.Save(1, &x.FileDescriptionDefaultImpl)
+	m.Save(2, &x.DentryMetadataFileDescriptionImpl)
+	m.Save(3, &x.NoLockFD)
+}
+
+func (x *fullFD) afterLoad() {}
+
+func (x *fullFD) StateLoad(m state.Source) {
+	m.Load(0, &x.vfsfd)
+	m.Load(1, &x.FileDescriptionDefaultImpl)
+	m.Load(2, &x.DentryMetadataFileDescriptionImpl)
+	m.Load(3, &x.NoLockFD)
+}
+
+func (x *nullDevice) StateTypeName() string {
+	return "pkg/sentry/devices/memdev.nullDevice"
+}
+
+func (x *nullDevice) StateFields() []string {
+	return []string{}
+}
+
+func (x *nullDevice) beforeSave() {}
+
+func (x *nullDevice) StateSave(m state.Sink) {
+	x.beforeSave()
+}
+
+func (x *nullDevice) afterLoad() {}
+
+func (x *nullDevice) StateLoad(m state.Source) {
+}
+
+func (x *nullFD) StateTypeName() string {
+	return "pkg/sentry/devices/memdev.nullFD"
+}
+
+func (x *nullFD) StateFields() []string {
+	return []string{
+		"vfsfd",
+		"FileDescriptionDefaultImpl",
+		"DentryMetadataFileDescriptionImpl",
+		"NoLockFD",
+	}
+}
+
+func (x *nullFD) beforeSave() {}
+
+func (x *nullFD) StateSave(m state.Sink) {
+	x.beforeSave()
+	m.Save(0, &x.vfsfd)
+	m.Save(1, &x.FileDescriptionDefaultImpl)
+	m.Save(2, &x.DentryMetadataFileDescriptionImpl)
+	m.Save(3, &x.NoLockFD)
+}
+
+func (x *nullFD) afterLoad() {}
+
+func (x *nullFD) StateLoad(m state.Source) {
+	m.Load(0, &x.vfsfd)
+	m.Load(1, &x.FileDescriptionDefaultImpl)
+	m.Load(2, &x.DentryMetadataFileDescriptionImpl)
+	m.Load(3, &x.NoLockFD)
+}
+
+func (x *randomDevice) StateTypeName() string {
+	return "pkg/sentry/devices/memdev.randomDevice"
+}
+
+func (x *randomDevice) StateFields() []string {
+	return []string{}
+}
+
+func (x *randomDevice) beforeSave() {}
+
+func (x *randomDevice) StateSave(m state.Sink) {
+	x.beforeSave()
+}
+
+func (x *randomDevice) afterLoad() {}
+
+func (x *randomDevice) StateLoad(m state.Source) {
+}
+
+func (x *randomFD) StateTypeName() string {
+	return "pkg/sentry/devices/memdev.randomFD"
+}
+
+func (x *randomFD) StateFields() []string {
+	return []string{
+		"vfsfd",
+		"FileDescriptionDefaultImpl",
+		"DentryMetadataFileDescriptionImpl",
+		"NoLockFD",
+		"off",
+	}
+}
+
+func (x *randomFD) beforeSave() {}
+
+func (x *randomFD) StateSave(m state.Sink) {
+	x.beforeSave()
+	m.Save(0, &x.vfsfd)
+	m.Save(1, &x.FileDescriptionDefaultImpl)
+	m.Save(2, &x.DentryMetadataFileDescriptionImpl)
+	m.Save(3, &x.NoLockFD)
+	m.Save(4, &x.off)
+}
+
+func (x *randomFD) afterLoad() {}
+
+func (x *randomFD) StateLoad(m state.Source) {
+	m.Load(0, &x.vfsfd)
+	m.Load(1, &x.FileDescriptionDefaultImpl)
+	m.Load(2, &x.DentryMetadataFileDescriptionImpl)
+	m.Load(3, &x.NoLockFD)
+	m.Load(4, &x.off)
+}
+
+func (x *zeroDevice) StateTypeName() string {
+	return "pkg/sentry/devices/memdev.zeroDevice"
+}
+
+func (x *zeroDevice) StateFields() []string {
+	return []string{}
+}
+
+func (x *zeroDevice) beforeSave() {}
+
+func (x *zeroDevice) StateSave(m state.Sink) {
+	x.beforeSave()
+}
+
+func (x *zeroDevice) afterLoad() {}
+
+func (x *zeroDevice) StateLoad(m state.Source) {
+}
+
+func (x *zeroFD) StateTypeName() string {
+	return "pkg/sentry/devices/memdev.zeroFD"
+}
+
+func (x *zeroFD) StateFields() []string {
+	return []string{
+		"vfsfd",
+		"FileDescriptionDefaultImpl",
+		"DentryMetadataFileDescriptionImpl",
+		"NoLockFD",
+	}
+}
+
+func (x *zeroFD) beforeSave() {}
+
+func (x *zeroFD) StateSave(m state.Sink) {
+	x.beforeSave()
+	m.Save(0, &x.vfsfd)
+	m.Save(1, &x.FileDescriptionDefaultImpl)
+	m.Save(2, &x.DentryMetadataFileDescriptionImpl)
+	m.Save(3, &x.NoLockFD)
+}
+
+func (x *zeroFD) afterLoad() {}
+
+func (x *zeroFD) StateLoad(m state.Source) {
+	m.Load(0, &x.vfsfd)
+	m.Load(1, &x.FileDescriptionDefaultImpl)
+	m.Load(2, &x.DentryMetadataFileDescriptionImpl)
+	m.Load(3, &x.NoLockFD)
+}
+
+func init() {
+	state.Register((*fullDevice)(nil))
+	state.Register((*fullFD)(nil))
+	state.Register((*nullDevice)(nil))
+	state.Register((*nullFD)(nil))
+	state.Register((*randomDevice)(nil))
+	state.Register((*randomFD)(nil))
+	state.Register((*zeroDevice)(nil))
+	state.Register((*zeroFD)(nil))
+}
diff --git a/pkg/sentry/devices/memdev/null.go b/pkg/sentry/devices/memdev/null.go
index 4918dbeeb..ff5837747 100644
--- a/pkg/sentry/devices/memdev/null.go
+++ b/pkg/sentry/devices/memdev/null.go
@@ -25,6 +25,8 @@ import (
 const nullDevMinor = 3
 
 // nullDevice implements vfs.Device for /dev/null.
+//
+// +stateify savable
 type nullDevice struct{}
 
 // Open implements vfs.Device.Open.
@@ -39,6 +41,8 @@ func (nullDevice) Open(ctx context.Context, mnt *vfs.Mount, vfsd *vfs.Dentry, op
 }
 
 // nullFD implements vfs.FileDescriptionImpl for /dev/null.
+//
+// +stateify savable
 type nullFD struct {
 	vfsfd vfs.FileDescription
 	vfs.FileDescriptionDefaultImpl
diff --git a/pkg/sentry/devices/memdev/random.go b/pkg/sentry/devices/memdev/random.go
index 5e7fe0280..ac943e3ba 100644
--- a/pkg/sentry/devices/memdev/random.go
+++ b/pkg/sentry/devices/memdev/random.go
@@ -30,6 +30,8 @@ const (
 )
 
 // randomDevice implements vfs.Device for /dev/random and /dev/urandom.
+//
+// +stateify savable
 type randomDevice struct{}
 
 // Open implements vfs.Device.Open.
@@ -44,6 +46,8 @@ func (randomDevice) Open(ctx context.Context, mnt *vfs.Mount, vfsd *vfs.Dentry,
 }
 
 // randomFD implements vfs.FileDescriptionImpl for /dev/random.
+//
+// +stateify savable
 type randomFD struct {
 	vfsfd vfs.FileDescription
 	vfs.FileDescriptionDefaultImpl
diff --git a/pkg/sentry/devices/memdev/zero.go b/pkg/sentry/devices/memdev/zero.go
index 60cfea888..1929e41cd 100644
--- a/pkg/sentry/devices/memdev/zero.go
+++ b/pkg/sentry/devices/memdev/zero.go
@@ -27,6 +27,8 @@ import (
 const zeroDevMinor = 5
 
 // zeroDevice implements vfs.Device for /dev/zero.
+//
+// +stateify savable
 type zeroDevice struct{}
 
 // Open implements vfs.Device.Open.
@@ -41,6 +43,8 @@ func (zeroDevice) Open(ctx context.Context, mnt *vfs.Mount, vfsd *vfs.Dentry, op
 }
 
 // zeroFD implements vfs.FileDescriptionImpl for /dev/zero.
+//
+// +stateify savable
 type zeroFD struct {
 	vfsfd vfs.FileDescription
 	vfs.FileDescriptionDefaultImpl