Merge branch 'master' into ip-forwarding

- Merges aleksej-paschenko's with HEAD
- Adds vfs2 support for ip_forward

1 files changed, 8 insertions, 3 deletions

diff --git a/pkg/sentry/fs/gofer/file_state.go b/pkg/sentry/fs/gofer/file_state.go
index c2fbb4be9..edd6576aa 100644
--- a/pkg/sentry/fs/gofer/file_state.go
+++ b/pkg/sentry/fs/gofer/file_state.go
@@ -17,7 +17,7 @@ package gofer
 import (
 	"fmt"
 
-	"gvisor.dev/gvisor/pkg/sentry/context"
+	"gvisor.dev/gvisor/pkg/context"
 	"gvisor.dev/gvisor/pkg/sentry/fs"
 )
 
@@ -28,8 +28,13 @@ func (f *fileOperations) afterLoad() {
 
 		// Manually load the open handles.
 		var err error
-		// TODO(b/38173783): Context is not plumbed to save/restore.
-		f.handles, err = f.inodeOperations.fileState.getHandles(context.Background(), f.flags, f.inodeOperations.cachingInodeOps)
+
+		// The file may have been opened with Truncate, but we don't
+		// want to re-open it with Truncate or we will lose data.
+		flags := f.flags
+		flags.Truncate = false
+
+		f.handles, err = f.inodeOperations.fileState.getHandles(context.Background(), flags, f.inodeOperations.cachingInodeOps)
 		if err != nil {
 			return fmt.Errorf("failed to re-open handle: %v", err)
 		}