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-rw-r--r--runsc/boot/fs.go12
-rw-r--r--runsc/boot/loader.go16
-rw-r--r--runsc/boot/loader_test.go8
-rw-r--r--runsc/boot/vfs.go10
4 files changed, 22 insertions, 24 deletions
diff --git a/runsc/boot/fs.go b/runsc/boot/fs.go
index 59639ba19..9dd5b0184 100644
--- a/runsc/boot/fs.go
+++ b/runsc/boot/fs.go
@@ -640,7 +640,7 @@ func (c *containerMounter) createMountNamespace(ctx context.Context, conf *Confi
func (c *containerMounter) mountSubmounts(ctx context.Context, conf *Config, mns *fs.MountNamespace) error {
root := mns.Root()
- defer root.DecRef()
+ defer root.DecRef(ctx)
for _, m := range c.mounts {
log.Debugf("Mounting %q to %q, type: %s, options: %s", m.Source, m.Destination, m.Type, m.Options)
@@ -868,7 +868,7 @@ func (c *containerMounter) mountSubmount(ctx context.Context, conf *Config, mns
if err != nil {
return fmt.Errorf("can't find mount destination %q: %v", m.Destination, err)
}
- defer dirent.DecRef()
+ defer dirent.DecRef(ctx)
if err := mns.Mount(ctx, dirent, inode); err != nil {
return fmt.Errorf("mount %q error: %v", m.Destination, err)
}
@@ -889,12 +889,12 @@ func (c *containerMounter) mountSharedSubmount(ctx context.Context, mns *fs.Moun
if err != nil {
return fmt.Errorf("can't find mount destination %q: %v", mount.Destination, err)
}
- defer target.DecRef()
+ defer target.DecRef(ctx)
// Take a ref on the inode that is about to be (re)-mounted.
source.root.IncRef()
if err := mns.Mount(ctx, target, source.root); err != nil {
- source.root.DecRef()
+ source.root.DecRef(ctx)
return fmt.Errorf("bind mount %q error: %v", mount.Destination, err)
}
@@ -997,12 +997,12 @@ func (c *containerMounter) mountTmp(ctx context.Context, conf *Config, mns *fs.M
switch err {
case nil:
// Found '/tmp' in filesystem, check if it's empty.
- defer tmp.DecRef()
+ defer tmp.DecRef(ctx)
f, err := tmp.Inode.GetFile(ctx, tmp, fs.FileFlags{Read: true, Directory: true})
if err != nil {
return err
}
- defer f.DecRef()
+ defer f.DecRef(ctx)
serializer := &fs.CollectEntriesSerializer{}
if err := f.Readdir(ctx, serializer); err != nil {
return err
diff --git a/runsc/boot/loader.go b/runsc/boot/loader.go
index 9cd9c5909..e0d077f5a 100644
--- a/runsc/boot/loader.go
+++ b/runsc/boot/loader.go
@@ -346,7 +346,7 @@ func New(args Args) (*Loader, error) {
if err != nil {
return nil, fmt.Errorf("failed to create hostfs filesystem: %v", err)
}
- defer hostFilesystem.DecRef()
+ defer hostFilesystem.DecRef(k.SupervisorContext())
hostMount, err := k.VFS().NewDisconnectedMount(hostFilesystem, nil, &vfs.MountOptions{})
if err != nil {
return nil, fmt.Errorf("failed to create hostfs mount: %v", err)
@@ -755,7 +755,7 @@ func (l *Loader) createContainerProcess(root bool, cid string, info *containerIn
return nil, fmt.Errorf("creating process: %v", err)
}
// CreateProcess takes a reference on FDTable if successful.
- info.procArgs.FDTable.DecRef()
+ info.procArgs.FDTable.DecRef(ctx)
// Set the foreground process group on the TTY to the global init process
// group, since that is what we are about to start running.
@@ -890,22 +890,20 @@ func (l *Loader) executeAsync(args *control.ExecArgs) (kernel.ThreadID, error) {
// Add the HOME environment variable if it is not already set.
if kernel.VFS2Enabled {
- defer args.MountNamespaceVFS2.DecRef()
-
root := args.MountNamespaceVFS2.Root()
- defer root.DecRef()
ctx := vfs.WithRoot(l.k.SupervisorContext(), root)
+ defer args.MountNamespaceVFS2.DecRef(ctx)
+ defer root.DecRef(ctx)
envv, err := user.MaybeAddExecUserHomeVFS2(ctx, args.MountNamespaceVFS2, args.KUID, args.Envv)
if err != nil {
return 0, err
}
args.Envv = envv
} else {
- defer args.MountNamespace.DecRef()
-
root := args.MountNamespace.Root()
- defer root.DecRef()
ctx := fs.WithRoot(l.k.SupervisorContext(), root)
+ defer args.MountNamespace.DecRef(ctx)
+ defer root.DecRef(ctx)
envv, err := user.MaybeAddExecUserHome(ctx, args.MountNamespace, args.KUID, args.Envv)
if err != nil {
return 0, err
@@ -1263,7 +1261,7 @@ func createFDTable(ctx context.Context, console bool, stdioFDs []int) (*kernel.F
fdTable := k.NewFDTable()
ttyFile, ttyFileVFS2, err := fdimport.Import(ctx, fdTable, console, stdioFDs)
if err != nil {
- fdTable.DecRef()
+ fdTable.DecRef(ctx)
return nil, nil, nil, err
}
return fdTable, ttyFile, ttyFileVFS2, nil
diff --git a/runsc/boot/loader_test.go b/runsc/boot/loader_test.go
index 8e6fe57e1..aa3fdf96c 100644
--- a/runsc/boot/loader_test.go
+++ b/runsc/boot/loader_test.go
@@ -450,13 +450,13 @@ func TestCreateMountNamespace(t *testing.T) {
}
root := mns.Root()
- defer root.DecRef()
+ defer root.DecRef(ctx)
for _, p := range tc.expectedPaths {
maxTraversals := uint(0)
if d, err := mns.FindInode(ctx, root, root, p, &maxTraversals); err != nil {
t.Errorf("expected path %v to exist with spec %v, but got error %v", p, tc.spec, err)
} else {
- d.DecRef()
+ d.DecRef(ctx)
}
}
})
@@ -491,7 +491,7 @@ func TestCreateMountNamespaceVFS2(t *testing.T) {
}
root := mns.Root()
- defer root.DecRef()
+ defer root.DecRef(ctx)
for _, p := range tc.expectedPaths {
target := &vfs.PathOperation{
Root: root,
@@ -502,7 +502,7 @@ func TestCreateMountNamespaceVFS2(t *testing.T) {
if d, err := l.k.VFS().GetDentryAt(ctx, l.root.procArgs.Credentials, target, &vfs.GetDentryOptions{}); err != nil {
t.Errorf("expected path %v to exist with spec %v, but got error %v", p, tc.spec, err)
} else {
- d.DecRef()
+ d.DecRef(ctx)
}
}
})
diff --git a/runsc/boot/vfs.go b/runsc/boot/vfs.go
index cfe2d36aa..252ca07e3 100644
--- a/runsc/boot/vfs.go
+++ b/runsc/boot/vfs.go
@@ -103,7 +103,7 @@ func registerFilesystems(k *kernel.Kernel) error {
if err != nil {
return fmt.Errorf("creating devtmpfs accessor: %w", err)
}
- defer a.Release()
+ defer a.Release(ctx)
if err := a.UserspaceInit(ctx); err != nil {
return fmt.Errorf("initializing userspace: %w", err)
@@ -252,7 +252,7 @@ func (c *containerMounter) prepareMountsVFS2() ([]mountAndFD, error) {
func (c *containerMounter) mountSubmountVFS2(ctx context.Context, conf *Config, mns *vfs.MountNamespace, creds *auth.Credentials, submount *mountAndFD) error {
root := mns.Root()
- defer root.DecRef()
+ defer root.DecRef(ctx)
target := &vfs.PathOperation{
Root: root,
Start: root,
@@ -387,7 +387,7 @@ func (c *containerMounter) mountTmpVFS2(ctx context.Context, conf *Config, creds
}
root := mns.Root()
- defer root.DecRef()
+ defer root.DecRef(ctx)
pop := vfs.PathOperation{
Root: root,
Start: root,
@@ -481,10 +481,10 @@ func (c *containerMounter) mountSharedSubmountVFS2(ctx context.Context, conf *Co
if err != nil {
return err
}
- defer newMnt.DecRef()
+ defer newMnt.DecRef(ctx)
root := mns.Root()
- defer root.DecRef()
+ defer root.DecRef(ctx)
if err := c.makeSyntheticMount(ctx, mount.Destination, root, creds); err != nil {
return err
}