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authorgVisor bot <gvisor-bot@google.com>2020-05-29 19:51:09 +0000
committergVisor bot <gvisor-bot@google.com>2020-05-29 19:51:09 +0000
commita69f9d244d7042ac23a430987b2ebdadc3b8cc55 (patch)
treed77a5f28ac2c7582847d9809f4105c2ea6e1ea6a
parentf28398df6977b7121aadf35aadc4ded3b594fca9 (diff)
parentf498e46ef9153cd9254ae4995954632654577562 (diff)
Merge release-20200522.0-36-gf498e46e (automated)
-rw-r--r--pkg/abi/linux/linux_abi_autogen_unsafe.go8
-rw-r--r--runsc/cmd/spec.go18
2 files changed, 18 insertions, 8 deletions
diff --git a/pkg/abi/linux/linux_abi_autogen_unsafe.go b/pkg/abi/linux/linux_abi_autogen_unsafe.go
index eba54aa86..185586ea2 100644
--- a/pkg/abi/linux/linux_abi_autogen_unsafe.go
+++ b/pkg/abi/linux/linux_abi_autogen_unsafe.go
@@ -129,7 +129,7 @@ func (s *Statx) Packed() bool {
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
func (s *Statx) MarshalUnsafe(dst []byte) {
- if s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() && s.Atime.Packed() {
+ if s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() {
safecopy.CopyIn(dst, unsafe.Pointer(s))
} else {
s.MarshalBytes(dst)
@@ -138,7 +138,7 @@ func (s *Statx) MarshalUnsafe(dst []byte) {
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (s *Statx) UnmarshalUnsafe(src []byte) {
- if s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() && s.Atime.Packed() {
+ if s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() {
safecopy.CopyOut(unsafe.Pointer(s), src)
} else {
s.UnmarshalBytes(src)
@@ -148,7 +148,7 @@ func (s *Statx) UnmarshalUnsafe(src []byte) {
// CopyOutN implements marshal.Marshallable.CopyOutN.
//go:nosplit
func (s *Statx) CopyOutN(task marshal.Task, addr usermem.Addr, limit int) (int, error) {
- if !s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() {
+ if !s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() && s.Atime.Packed() {
// Type Statx doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := task.CopyScratchBuffer(s.SizeBytes()) // escapes: okay.
s.MarshalBytes(buf) // escapes: fallback.
@@ -204,7 +204,7 @@ func (s *Statx) CopyIn(task marshal.Task, addr usermem.Addr) (int, error) {
// WriteTo implements io.WriterTo.WriteTo.
func (s *Statx) WriteTo(w io.Writer) (int64, error) {
- if !s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() && s.Atime.Packed() {
+ if !s.Atime.Packed() && s.Btime.Packed() && s.Ctime.Packed() && s.Mtime.Packed() {
// Type Statx doesn't have a packed layout in memory, fall back to MarshalBytes.
buf := make([]byte, s.SizeBytes())
s.MarshalBytes(buf)
diff --git a/runsc/cmd/spec.go b/runsc/cmd/spec.go
index 8e2b36e85..a2b0a4b14 100644
--- a/runsc/cmd/spec.go
+++ b/runsc/cmd/spec.go
@@ -16,6 +16,7 @@ package cmd
import (
"context"
+ "fmt"
"io/ioutil"
"os"
"path/filepath"
@@ -24,7 +25,8 @@ import (
"gvisor.dev/gvisor/runsc/flag"
)
-var specTemplate = []byte(`{
+func genSpec(cwd string) []byte {
+ var template = fmt.Sprintf(`{
"ociVersion": "1.0.0",
"process": {
"terminal": true,
@@ -39,7 +41,7 @@ var specTemplate = []byte(`{
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"TERM=xterm"
],
- "cwd": "/",
+ "cwd": "%s",
"capabilities": {
"bounding": [
"CAP_AUDIT_WRITE",
@@ -123,11 +125,15 @@ var specTemplate = []byte(`{
}
]
}
-}`)
+}`, cwd)
+
+ return []byte(template)
+}
// Spec implements subcommands.Command for the "spec" command.
type Spec struct {
bundle string
+ cwd string
}
// Name implements subcommands.Command.Name.
@@ -165,6 +171,8 @@ EXAMPLE:
// SetFlags implements subcommands.Command.SetFlags.
func (s *Spec) SetFlags(f *flag.FlagSet) {
f.StringVar(&s.bundle, "bundle", ".", "path to the root of the OCI bundle")
+ f.StringVar(&s.cwd, "cwd", "/", "working directory that will be set for the executable, "+
+ "this value MUST be an absolute path")
}
// Execute implements subcommands.Command.Execute.
@@ -174,7 +182,9 @@ func (s *Spec) Execute(_ context.Context, f *flag.FlagSet, args ...interface{})
Fatalf("file %q already exists", confPath)
}
- if err := ioutil.WriteFile(confPath, specTemplate, 0664); err != nil {
+ var spec = genSpec(s.cwd)
+
+ if err := ioutil.WriteFile(confPath, spec, 0664); err != nil {
Fatalf("writing to %q: %v", confPath, err)
}