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authorFabricio Voznika <fvoznika@google.com>2020-03-13 18:56:05 -0700
committergVisor bot <gvisor-bot@google.com>2020-03-13 18:57:07 -0700
commit45a8ae240dd180f1b8b4c56e77ac67e4cd3af96f (patch)
treedfce19bde34697e4db6e6c7177ba0cd84e64d596 /pkg/sentry/fsimpl/testutil
parent829beebf0b67e20e50dd5ec4a5030636e38cc576 (diff)
Add remaining procfs files
Closes #1195 PiperOrigin-RevId: 300867055
Diffstat (limited to 'pkg/sentry/fsimpl/testutil')
-rw-r--r--pkg/sentry/fsimpl/testutil/BUILD2
-rw-r--r--pkg/sentry/fsimpl/testutil/kernel.go27
2 files changed, 28 insertions, 1 deletions
diff --git a/pkg/sentry/fsimpl/testutil/BUILD b/pkg/sentry/fsimpl/testutil/BUILD
index e4f36f4ae..0e4053a46 100644
--- a/pkg/sentry/fsimpl/testutil/BUILD
+++ b/pkg/sentry/fsimpl/testutil/BUILD
@@ -16,12 +16,14 @@ go_library(
"//pkg/cpuid",
"//pkg/fspath",
"//pkg/memutil",
+ "//pkg/sentry/fsbridge",
"//pkg/sentry/fsimpl/tmpfs",
"//pkg/sentry/kernel",
"//pkg/sentry/kernel/auth",
"//pkg/sentry/kernel/sched",
"//pkg/sentry/limits",
"//pkg/sentry/loader",
+ "//pkg/sentry/mm",
"//pkg/sentry/pgalloc",
"//pkg/sentry/platform",
"//pkg/sentry/platform/kvm",
diff --git a/pkg/sentry/fsimpl/testutil/kernel.go b/pkg/sentry/fsimpl/testutil/kernel.go
index 488478e29..c16a36cdb 100644
--- a/pkg/sentry/fsimpl/testutil/kernel.go
+++ b/pkg/sentry/fsimpl/testutil/kernel.go
@@ -23,13 +23,16 @@ import (
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/context"
"gvisor.dev/gvisor/pkg/cpuid"
+ "gvisor.dev/gvisor/pkg/fspath"
"gvisor.dev/gvisor/pkg/memutil"
+ "gvisor.dev/gvisor/pkg/sentry/fsbridge"
"gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs"
"gvisor.dev/gvisor/pkg/sentry/kernel"
"gvisor.dev/gvisor/pkg/sentry/kernel/auth"
"gvisor.dev/gvisor/pkg/sentry/kernel/sched"
"gvisor.dev/gvisor/pkg/sentry/limits"
"gvisor.dev/gvisor/pkg/sentry/loader"
+ "gvisor.dev/gvisor/pkg/sentry/mm"
"gvisor.dev/gvisor/pkg/sentry/pgalloc"
"gvisor.dev/gvisor/pkg/sentry/platform"
"gvisor.dev/gvisor/pkg/sentry/time"
@@ -123,10 +126,17 @@ func Boot() (*kernel.Kernel, error) {
// CreateTask creates a new bare bones task for tests.
func CreateTask(ctx context.Context, name string, tc *kernel.ThreadGroup, mntns *vfs.MountNamespace, root, cwd vfs.VirtualDentry) (*kernel.Task, error) {
k := kernel.KernelFromContext(ctx)
+ exe, err := newFakeExecutable(ctx, k.VFS(), auth.CredentialsFromContext(ctx), root)
+ if err != nil {
+ return nil, err
+ }
+ m := mm.NewMemoryManager(k, k, k.SleepForAddressSpaceActivation)
+ m.SetExecutable(fsbridge.NewVFSFile(exe))
+
config := &kernel.TaskConfig{
Kernel: k,
ThreadGroup: tc,
- TaskContext: &kernel.TaskContext{Name: name},
+ TaskContext: &kernel.TaskContext{Name: name, MemoryManager: m},
Credentials: auth.CredentialsFromContext(ctx),
NetworkNamespace: k.RootNetworkNamespace(),
AllowedCPUMask: sched.NewFullCPUSet(k.ApplicationCores()),
@@ -135,10 +145,25 @@ func CreateTask(ctx context.Context, name string, tc *kernel.ThreadGroup, mntns
AbstractSocketNamespace: kernel.NewAbstractSocketNamespace(),
MountNamespaceVFS2: mntns,
FSContext: kernel.NewFSContextVFS2(root, cwd, 0022),
+ FDTable: k.NewFDTable(),
}
return k.TaskSet().NewTask(config)
}
+func newFakeExecutable(ctx context.Context, vfsObj *vfs.VirtualFilesystem, creds *auth.Credentials, root vfs.VirtualDentry) (*vfs.FileDescription, error) {
+ const name = "executable"
+ pop := &vfs.PathOperation{
+ Root: root,
+ Start: root,
+ Path: fspath.Parse(name),
+ }
+ opts := &vfs.OpenOptions{
+ Flags: linux.O_RDONLY | linux.O_CREAT,
+ Mode: 0777,
+ }
+ return vfsObj.OpenAt(ctx, creds, pop, opts)
+}
+
func createMemoryFile() (*pgalloc.MemoryFile, error) {
const memfileName = "test-memory"
memfd, err := memutil.CreateMemFD(memfileName, 0)