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-rw-r--r--pkg/sentry/fs/inode_overlay.go9
1 files changed, 4 insertions, 5 deletions
diff --git a/pkg/sentry/fs/inode_overlay.go b/pkg/sentry/fs/inode_overlay.go
index dc2e353d9..0a2d64e3a 100644
--- a/pkg/sentry/fs/inode_overlay.go
+++ b/pkg/sentry/fs/inode_overlay.go
@@ -16,7 +16,6 @@ package fs
import (
"fmt"
- "strings"
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/context"
@@ -539,7 +538,7 @@ func overlayGetXattr(ctx context.Context, o *overlayEntry, name string, size uin
// Don't forward the value of the extended attribute if it would
// unexpectedly change the behavior of a wrapping overlay layer.
- if strings.HasPrefix(XattrOverlayPrefix, name) {
+ if isXattrOverlay(name) {
return "", syserror.ENODATA
}
@@ -555,7 +554,7 @@ func overlayGetXattr(ctx context.Context, o *overlayEntry, name string, size uin
func overlaySetxattr(ctx context.Context, o *overlayEntry, d *Dirent, name, value string, flags uint32) error {
// Don't allow changes to overlay xattrs through a setxattr syscall.
- if strings.HasPrefix(XattrOverlayPrefix, name) {
+ if isXattrOverlay(name) {
return syserror.EPERM
}
@@ -578,7 +577,7 @@ func overlayListXattr(ctx context.Context, o *overlayEntry, size uint64) (map[st
for name := range names {
// Same as overlayGetXattr, we shouldn't forward along
// overlay attributes.
- if strings.HasPrefix(XattrOverlayPrefix, name) {
+ if isXattrOverlay(name) {
delete(names, name)
}
}
@@ -587,7 +586,7 @@ func overlayListXattr(ctx context.Context, o *overlayEntry, size uint64) (map[st
func overlayRemoveXattr(ctx context.Context, o *overlayEntry, d *Dirent, name string) error {
// Don't allow changes to overlay xattrs through a removexattr syscall.
- if strings.HasPrefix(XattrOverlayPrefix, name) {
+ if isXattrOverlay(name) {
return syserror.EPERM
}