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-rw-r--r--pkg/sentry/fsimpl/devpts/BUILD3
-rw-r--r--pkg/sentry/fsimpl/fuse/BUILD3
-rw-r--r--pkg/sentry/fsimpl/host/BUILD5
-rw-r--r--pkg/sentry/fsimpl/kernfs/BUILD12
-rw-r--r--pkg/sentry/fsimpl/proc/BUILD11
-rw-r--r--pkg/sentry/fsimpl/sys/BUILD3
-rw-r--r--pkg/sentry/fsimpl/tmpfs/BUILD3
-rw-r--r--pkg/sentry/kernel/BUILD12
-rw-r--r--pkg/sentry/kernel/abstract_socket_namespace.go10
-rw-r--r--pkg/sentry/kernel/fd_table.go2
-rw-r--r--pkg/sentry/kernel/fd_table_unsafe.go13
-rw-r--r--pkg/sentry/kernel/fs_context.go4
-rw-r--r--pkg/sentry/kernel/ipc_namespace.go2
-rw-r--r--pkg/sentry/kernel/shm/BUILD4
-rw-r--r--pkg/sentry/mm/BUILD5
-rw-r--r--pkg/sentry/socket/unix/BUILD5
-rw-r--r--pkg/sentry/socket/unix/transport/BUILD3
-rw-r--r--pkg/sentry/socket/unix/unix.go1
-rw-r--r--pkg/sentry/socket/unix/unix_vfs2.go1
-rw-r--r--pkg/sentry/vfs/BUILD7
20 files changed, 65 insertions, 44 deletions
diff --git a/pkg/sentry/fsimpl/devpts/BUILD b/pkg/sentry/fsimpl/devpts/BUILD
index 84baaac66..6af3c3781 100644
--- a/pkg/sentry/fsimpl/devpts/BUILD
+++ b/pkg/sentry/fsimpl/devpts/BUILD
@@ -8,7 +8,7 @@ go_template_instance(
out = "root_inode_refs.go",
package = "devpts",
prefix = "rootInode",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "rootInode",
},
@@ -33,6 +33,7 @@ go_library(
"//pkg/marshal",
"//pkg/marshal/primitive",
"//pkg/refs",
+ "//pkg/refsvfs2",
"//pkg/safemem",
"//pkg/sentry/arch",
"//pkg/sentry/fs",
diff --git a/pkg/sentry/fsimpl/fuse/BUILD b/pkg/sentry/fsimpl/fuse/BUILD
index 045d7ab08..2158b1bbc 100644
--- a/pkg/sentry/fsimpl/fuse/BUILD
+++ b/pkg/sentry/fsimpl/fuse/BUILD
@@ -20,7 +20,7 @@ go_template_instance(
out = "inode_refs.go",
package = "fuse",
prefix = "inode",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "inode",
},
@@ -49,6 +49,7 @@ go_library(
"//pkg/log",
"//pkg/marshal",
"//pkg/refs",
+ "//pkg/refsvfs2",
"//pkg/safemem",
"//pkg/sentry/fsimpl/devtmpfs",
"//pkg/sentry/fsimpl/kernfs",
diff --git a/pkg/sentry/fsimpl/host/BUILD b/pkg/sentry/fsimpl/host/BUILD
index 56bcf9bdb..8a3e5c81e 100644
--- a/pkg/sentry/fsimpl/host/BUILD
+++ b/pkg/sentry/fsimpl/host/BUILD
@@ -8,7 +8,7 @@ go_template_instance(
out = "inode_refs.go",
package = "host",
prefix = "inode",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "inode",
},
@@ -19,7 +19,7 @@ go_template_instance(
out = "connected_endpoint_refs.go",
package = "host",
prefix = "ConnectedEndpoint",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "ConnectedEndpoint",
},
@@ -51,6 +51,7 @@ go_library(
"//pkg/log",
"//pkg/marshal/primitive",
"//pkg/refs",
+ "//pkg/refsvfs2",
"//pkg/safemem",
"//pkg/sentry/arch",
"//pkg/sentry/fs/fsutil",
diff --git a/pkg/sentry/fsimpl/kernfs/BUILD b/pkg/sentry/fsimpl/kernfs/BUILD
index 858cc24ce..dbb70a875 100644
--- a/pkg/sentry/fsimpl/kernfs/BUILD
+++ b/pkg/sentry/fsimpl/kernfs/BUILD
@@ -31,7 +31,7 @@ go_template_instance(
out = "dentry_refs.go",
package = "kernfs",
prefix = "Dentry",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "Dentry",
},
@@ -42,7 +42,7 @@ go_template_instance(
out = "static_directory_refs.go",
package = "kernfs",
prefix = "StaticDirectory",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "StaticDirectory",
},
@@ -53,7 +53,7 @@ go_template_instance(
out = "dir_refs.go",
package = "kernfs_test",
prefix = "dir",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "dir",
},
@@ -64,7 +64,7 @@ go_template_instance(
out = "readonly_dir_refs.go",
package = "kernfs_test",
prefix = "readonlyDir",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "readonlyDir",
},
@@ -75,7 +75,7 @@ go_template_instance(
out = "synthetic_directory_refs.go",
package = "kernfs",
prefix = "syntheticDirectory",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "syntheticDirectory",
},
@@ -104,6 +104,7 @@ go_library(
"//pkg/fspath",
"//pkg/log",
"//pkg/refs",
+ "//pkg/refsvfs2",
"//pkg/sentry/fs/lock",
"//pkg/sentry/kernel/auth",
"//pkg/sentry/memmap",
@@ -129,6 +130,7 @@ go_test(
"//pkg/context",
"//pkg/log",
"//pkg/refs",
+ "//pkg/refsvfs2",
"//pkg/sentry/contexttest",
"//pkg/sentry/fsimpl/testutil",
"//pkg/sentry/kernel/auth",
diff --git a/pkg/sentry/fsimpl/proc/BUILD b/pkg/sentry/fsimpl/proc/BUILD
index 2e086e34c..5196a2a80 100644
--- a/pkg/sentry/fsimpl/proc/BUILD
+++ b/pkg/sentry/fsimpl/proc/BUILD
@@ -8,7 +8,7 @@ go_template_instance(
out = "fd_dir_inode_refs.go",
package = "proc",
prefix = "fdDirInode",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "fdDirInode",
},
@@ -19,7 +19,7 @@ go_template_instance(
out = "fd_info_dir_inode_refs.go",
package = "proc",
prefix = "fdInfoDirInode",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "fdInfoDirInode",
},
@@ -30,7 +30,7 @@ go_template_instance(
out = "subtasks_inode_refs.go",
package = "proc",
prefix = "subtasksInode",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "subtasksInode",
},
@@ -41,7 +41,7 @@ go_template_instance(
out = "task_inode_refs.go",
package = "proc",
prefix = "taskInode",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "taskInode",
},
@@ -52,7 +52,7 @@ go_template_instance(
out = "tasks_inode_refs.go",
package = "proc",
prefix = "tasksInode",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "tasksInode",
},
@@ -82,6 +82,7 @@ go_library(
"//pkg/context",
"//pkg/log",
"//pkg/refs",
+ "//pkg/refsvfs2",
"//pkg/safemem",
"//pkg/sentry/fs/lock",
"//pkg/sentry/fsbridge",
diff --git a/pkg/sentry/fsimpl/sys/BUILD b/pkg/sentry/fsimpl/sys/BUILD
index 906cd52cb..09043b572 100644
--- a/pkg/sentry/fsimpl/sys/BUILD
+++ b/pkg/sentry/fsimpl/sys/BUILD
@@ -8,7 +8,7 @@ go_template_instance(
out = "dir_refs.go",
package = "sys",
prefix = "dir",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "dir",
},
@@ -28,6 +28,7 @@ go_library(
"//pkg/coverage",
"//pkg/log",
"//pkg/refs",
+ "//pkg/refsvfs2",
"//pkg/sentry/arch",
"//pkg/sentry/fsimpl/kernfs",
"//pkg/sentry/kernel",
diff --git a/pkg/sentry/fsimpl/tmpfs/BUILD b/pkg/sentry/fsimpl/tmpfs/BUILD
index 5cd428d64..85850cf34 100644
--- a/pkg/sentry/fsimpl/tmpfs/BUILD
+++ b/pkg/sentry/fsimpl/tmpfs/BUILD
@@ -31,7 +31,7 @@ go_template_instance(
out = "inode_refs.go",
package = "tmpfs",
prefix = "inode",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "inode",
},
@@ -60,6 +60,7 @@ go_library(
"//pkg/fspath",
"//pkg/log",
"//pkg/refs",
+ "//pkg/refsvfs2",
"//pkg/safemem",
"//pkg/sentry/arch",
"//pkg/sentry/fs",
diff --git a/pkg/sentry/kernel/BUILD b/pkg/sentry/kernel/BUILD
index c0de72eef..90dd4a047 100644
--- a/pkg/sentry/kernel/BUILD
+++ b/pkg/sentry/kernel/BUILD
@@ -79,7 +79,7 @@ go_template_instance(
out = "fd_table_refs.go",
package = "kernel",
prefix = "FDTable",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "FDTable",
},
@@ -90,7 +90,7 @@ go_template_instance(
out = "fs_context_refs.go",
package = "kernel",
prefix = "FSContext",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "FSContext",
},
@@ -101,7 +101,7 @@ go_template_instance(
out = "ipc_namespace_refs.go",
package = "kernel",
prefix = "IPCNamespace",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "IPCNamespace",
},
@@ -112,7 +112,7 @@ go_template_instance(
out = "process_group_refs.go",
package = "kernel",
prefix = "ProcessGroup",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "ProcessGroup",
},
@@ -123,7 +123,7 @@ go_template_instance(
out = "session_refs.go",
package = "kernel",
prefix = "Session",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "Session",
},
@@ -229,7 +229,7 @@ go_library(
"//pkg/marshal/primitive",
"//pkg/metric",
"//pkg/refs",
- "//pkg/refs_vfs2",
+ "//pkg/refsvfs2",
"//pkg/safemem",
"//pkg/secio",
"//pkg/sentry/arch",
diff --git a/pkg/sentry/kernel/abstract_socket_namespace.go b/pkg/sentry/kernel/abstract_socket_namespace.go
index 1b9721534..0ddbe5ff6 100644
--- a/pkg/sentry/kernel/abstract_socket_namespace.go
+++ b/pkg/sentry/kernel/abstract_socket_namespace.go
@@ -19,7 +19,7 @@ import (
"syscall"
"gvisor.dev/gvisor/pkg/context"
- "gvisor.dev/gvisor/pkg/refs_vfs2"
+ "gvisor.dev/gvisor/pkg/refsvfs2"
"gvisor.dev/gvisor/pkg/sentry/socket/unix/transport"
"gvisor.dev/gvisor/pkg/sync"
)
@@ -27,7 +27,7 @@ import (
// +stateify savable
type abstractEndpoint struct {
ep transport.BoundEndpoint
- socket refs_vfs2.RefCounter
+ socket refsvfs2.RefCounter
name string
ns *AbstractSocketNamespace
}
@@ -57,7 +57,7 @@ func NewAbstractSocketNamespace() *AbstractSocketNamespace {
// its backing socket.
type boundEndpoint struct {
transport.BoundEndpoint
- socket refs_vfs2.RefCounter
+ socket refsvfs2.RefCounter
}
// Release implements transport.BoundEndpoint.Release.
@@ -89,7 +89,7 @@ func (a *AbstractSocketNamespace) BoundEndpoint(name string) transport.BoundEndp
//
// When the last reference managed by socket is dropped, ep may be removed from the
// namespace.
-func (a *AbstractSocketNamespace) Bind(ctx context.Context, name string, ep transport.BoundEndpoint, socket refs_vfs2.RefCounter) error {
+func (a *AbstractSocketNamespace) Bind(ctx context.Context, name string, ep transport.BoundEndpoint, socket refsvfs2.RefCounter) error {
a.mu.Lock()
defer a.mu.Unlock()
@@ -109,7 +109,7 @@ func (a *AbstractSocketNamespace) Bind(ctx context.Context, name string, ep tran
// Remove removes the specified socket at name from the abstract socket
// namespace, if it has not yet been replaced.
-func (a *AbstractSocketNamespace) Remove(name string, socket refs_vfs2.RefCounter) {
+func (a *AbstractSocketNamespace) Remove(name string, socket refsvfs2.RefCounter) {
a.mu.Lock()
defer a.mu.Unlock()
diff --git a/pkg/sentry/kernel/fd_table.go b/pkg/sentry/kernel/fd_table.go
index 0ec7344cd..81a998966 100644
--- a/pkg/sentry/kernel/fd_table.go
+++ b/pkg/sentry/kernel/fd_table.go
@@ -110,7 +110,7 @@ func (f *FDTable) saveDescriptorTable() map[int32]descriptor {
func (f *FDTable) loadDescriptorTable(m map[int32]descriptor) {
ctx := context.Background()
- f.init() // Initialize table.
+ f.initNoLeakCheck() // Initialize table.
f.used = 0
for fd, d := range m {
if file, fileVFS2 := f.setAll(ctx, fd, d.file, d.fileVFS2, d.flags); file != nil || fileVFS2 != nil {
diff --git a/pkg/sentry/kernel/fd_table_unsafe.go b/pkg/sentry/kernel/fd_table_unsafe.go
index da79e6627..3476551f3 100644
--- a/pkg/sentry/kernel/fd_table_unsafe.go
+++ b/pkg/sentry/kernel/fd_table_unsafe.go
@@ -31,14 +31,21 @@ type descriptorTable struct {
slice unsafe.Pointer `state:".(map[int32]*descriptor)"`
}
-// init initializes the table.
+// initNoLeakCheck initializes the table without enabling leak checking.
//
-// TODO(gvisor.dev/1486): Enable leak check for FDTable.
-func (f *FDTable) init() {
+// This is used when loading an FDTable after S/R, during which the ref count
+// object itself will enable leak checking if necessary.
+func (f *FDTable) initNoLeakCheck() {
var slice []unsafe.Pointer // Empty slice.
atomic.StorePointer(&f.slice, unsafe.Pointer(&slice))
}
+// init initializes the table with leak checking.
+func (f *FDTable) init() {
+ f.initNoLeakCheck()
+ f.EnableLeakCheck()
+}
+
// get gets a file entry.
//
// The boolean indicates whether this was in range.
diff --git a/pkg/sentry/kernel/fs_context.go b/pkg/sentry/kernel/fs_context.go
index 08ea2e09c..41fb2a784 100644
--- a/pkg/sentry/kernel/fs_context.go
+++ b/pkg/sentry/kernel/fs_context.go
@@ -130,13 +130,15 @@ func (f *FSContext) Fork() *FSContext {
f.root.IncRef()
}
- return &FSContext{
+ ctx := &FSContext{
cwd: f.cwd,
root: f.root,
cwdVFS2: f.cwdVFS2,
rootVFS2: f.rootVFS2,
umask: f.umask,
}
+ ctx.EnableLeakCheck()
+ return ctx
}
// WorkingDirectory returns the current working directory.
diff --git a/pkg/sentry/kernel/ipc_namespace.go b/pkg/sentry/kernel/ipc_namespace.go
index 3f34ee0db..b87e40dd1 100644
--- a/pkg/sentry/kernel/ipc_namespace.go
+++ b/pkg/sentry/kernel/ipc_namespace.go
@@ -55,7 +55,7 @@ func (i *IPCNamespace) ShmRegistry() *shm.Registry {
return i.shms
}
-// DecRef implements refs_vfs2.RefCounter.DecRef.
+// DecRef implements refsvfs2.RefCounter.DecRef.
func (i *IPCNamespace) DecRef(ctx context.Context) {
i.IPCNamespaceRefs.DecRef(func() {
i.shms.Release(ctx)
diff --git a/pkg/sentry/kernel/shm/BUILD b/pkg/sentry/kernel/shm/BUILD
index f8a382fd8..80a592c8f 100644
--- a/pkg/sentry/kernel/shm/BUILD
+++ b/pkg/sentry/kernel/shm/BUILD
@@ -8,7 +8,7 @@ go_template_instance(
out = "shm_refs.go",
package = "shm",
prefix = "Shm",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "Shm",
},
@@ -27,7 +27,7 @@ go_library(
"//pkg/context",
"//pkg/log",
"//pkg/refs",
- "//pkg/refs_vfs2",
+ "//pkg/refsvfs2",
"//pkg/sentry/device",
"//pkg/sentry/fs",
"//pkg/sentry/kernel/auth",
diff --git a/pkg/sentry/mm/BUILD b/pkg/sentry/mm/BUILD
index b4a47ccca..6dbeccfe2 100644
--- a/pkg/sentry/mm/BUILD
+++ b/pkg/sentry/mm/BUILD
@@ -78,7 +78,7 @@ go_template_instance(
out = "aio_mappable_refs.go",
package = "mm",
prefix = "aioMappable",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "aioMappable",
},
@@ -89,7 +89,7 @@ go_template_instance(
out = "special_mappable_refs.go",
package = "mm",
prefix = "SpecialMappable",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "SpecialMappable",
},
@@ -127,6 +127,7 @@ go_library(
"//pkg/context",
"//pkg/log",
"//pkg/refs",
+ "//pkg/refsvfs2",
"//pkg/safecopy",
"//pkg/safemem",
"//pkg/sentry/arch",
diff --git a/pkg/sentry/socket/unix/BUILD b/pkg/sentry/socket/unix/BUILD
index cc7408698..cce0acc33 100644
--- a/pkg/sentry/socket/unix/BUILD
+++ b/pkg/sentry/socket/unix/BUILD
@@ -8,7 +8,7 @@ go_template_instance(
out = "socket_refs.go",
package = "unix",
prefix = "socketOperations",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "SocketOperations",
},
@@ -19,7 +19,7 @@ go_template_instance(
out = "socket_vfs2_refs.go",
package = "unix",
prefix = "socketVFS2",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "SocketVFS2",
},
@@ -43,6 +43,7 @@ go_library(
"//pkg/log",
"//pkg/marshal",
"//pkg/refs",
+ "//pkg/refsvfs2",
"//pkg/safemem",
"//pkg/sentry/arch",
"//pkg/sentry/device",
diff --git a/pkg/sentry/socket/unix/transport/BUILD b/pkg/sentry/socket/unix/transport/BUILD
index 26c3a51b9..3ebbd28b0 100644
--- a/pkg/sentry/socket/unix/transport/BUILD
+++ b/pkg/sentry/socket/unix/transport/BUILD
@@ -20,7 +20,7 @@ go_template_instance(
out = "queue_refs.go",
package = "transport",
prefix = "queue",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "queue",
},
@@ -44,6 +44,7 @@ go_library(
"//pkg/ilist",
"//pkg/log",
"//pkg/refs",
+ "//pkg/refsvfs2",
"//pkg/sync",
"//pkg/syserr",
"//pkg/tcpip",
diff --git a/pkg/sentry/socket/unix/unix.go b/pkg/sentry/socket/unix/unix.go
index a4a76d0a3..adad485a9 100644
--- a/pkg/sentry/socket/unix/unix.go
+++ b/pkg/sentry/socket/unix/unix.go
@@ -81,7 +81,6 @@ func NewWithDirent(ctx context.Context, d *fs.Dirent, ep transport.Endpoint, sty
},
}
s.EnableLeakCheck()
-
return fs.NewFile(ctx, d, flags, &s)
}
diff --git a/pkg/sentry/socket/unix/unix_vfs2.go b/pkg/sentry/socket/unix/unix_vfs2.go
index 678355fb9..21514c7bb 100644
--- a/pkg/sentry/socket/unix/unix_vfs2.go
+++ b/pkg/sentry/socket/unix/unix_vfs2.go
@@ -80,6 +80,7 @@ func NewFileDescription(ep transport.Endpoint, stype linux.SockType, flags uint3
stype: stype,
},
}
+ sock.EnableLeakCheck()
sock.LockFD.Init(locks)
vfsfd := &sock.vfsfd
if err := vfsfd.Init(sock, flags, mnt, d, &vfs.FileDescriptionOptions{
diff --git a/pkg/sentry/vfs/BUILD b/pkg/sentry/vfs/BUILD
index c855608db..996af7332 100644
--- a/pkg/sentry/vfs/BUILD
+++ b/pkg/sentry/vfs/BUILD
@@ -32,7 +32,7 @@ go_template_instance(
out = "file_description_refs.go",
package = "vfs",
prefix = "FileDescription",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "FileDescription",
},
@@ -43,7 +43,7 @@ go_template_instance(
out = "mount_namespace_refs.go",
package = "vfs",
prefix = "MountNamespace",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "MountNamespace",
},
@@ -54,7 +54,7 @@ go_template_instance(
out = "filesystem_refs.go",
package = "vfs",
prefix = "Filesystem",
- template = "//pkg/refs_vfs2:refs_template",
+ template = "//pkg/refsvfs2:refs_template",
types = {
"T": "Filesystem",
},
@@ -99,6 +99,7 @@ go_library(
"//pkg/gohacks",
"//pkg/log",
"//pkg/refs",
+ "//pkg/refsvfs2",
"//pkg/safemem",
"//pkg/sentry/arch",
"//pkg/sentry/fs",