Add remaining procfs files

Closes #1195

PiperOrigin-RevId: 300867055

2 files changed, 9 insertions, 1 deletions

diff --git a/pkg/sentry/fsimpl/kernfs/inode_impl_util.go b/pkg/sentry/fsimpl/kernfs/inode_impl_util.go
index d50018b18..94ca3dbdd 100644
--- a/pkg/sentry/fsimpl/kernfs/inode_impl_util.go
+++ b/pkg/sentry/fsimpl/kernfs/inode_impl_util.go
@@ -554,3 +554,11 @@ func (s *StaticDirectory) Open(rp *vfs.ResolvingPath, vfsd *vfs.Dentry, opts vfs
 	fd.Init(rp.Mount(), vfsd, &s.OrderedChildren, &opts)
 	return fd.VFSFileDescription(), nil
 }
+
+// AlwaysValid partially implements kernfs.inodeDynamicLookup.
+type AlwaysValid struct{}
+
+// Valid implements kernfs.inodeDynamicLookup.
+func (*AlwaysValid) Valid(context.Context) bool {
+	return true
+}
diff --git a/pkg/sentry/fsimpl/kernfs/kernfs.go b/pkg/sentry/fsimpl/kernfs/kernfs.go
index a8ab2a2ba..18a34a590 100644
--- a/pkg/sentry/fsimpl/kernfs/kernfs.go
+++ b/pkg/sentry/fsimpl/kernfs/kernfs.go
@@ -319,7 +319,7 @@ type inodeMetadata interface {
 	// CheckPermissions checks that creds may access this inode for the
 	// requested access type, per the the rules of
 	// fs/namei.c:generic_permission().
-	CheckPermissions(ctx context.Context, creds *auth.Credentials, atx vfs.AccessTypes) error
+	CheckPermissions(ctx context.Context, creds *auth.Credentials, ats vfs.AccessTypes) error
 
 	// Mode returns the (struct stat)::st_mode value for this inode. This is
 	// separated from Stat for performance.