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authorNicolas Lacasse <nlacasse@google.com>2020-08-26 10:03:46 -0700
committergVisor bot <gvisor-bot@google.com>2020-08-26 10:05:34 -0700
commit83a8b309e949df4b8f82f26085cd62284f9eeb87 (patch)
tree0c4a80d1db58c46d15c8569359356d387e9db67a /pkg/sentry/fsimpl/overlay
parentebf5293374bc94e01eb58ebe29a1e53aa404d3a7 (diff)
tmpfs: Allow xattrs in the trusted namespace if creds has CAP_SYS_ADMIN.
This is needed to support the overlay opaque attribute. PiperOrigin-RevId: 328552985
Diffstat (limited to 'pkg/sentry/fsimpl/overlay')
-rw-r--r--pkg/sentry/fsimpl/overlay/filesystem.go2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkg/sentry/fsimpl/overlay/filesystem.go b/pkg/sentry/fsimpl/overlay/filesystem.go
index a3cee4047..e720bfb0b 100644
--- a/pkg/sentry/fsimpl/overlay/filesystem.go
+++ b/pkg/sentry/fsimpl/overlay/filesystem.go
@@ -30,7 +30,7 @@ import (
// _OVL_XATTR_OPAQUE is an extended attribute key whose value is set to "y" for
// opaque directories.
// Linux: fs/overlayfs/overlayfs.h:OVL_XATTR_OPAQUE
-const _OVL_XATTR_OPAQUE = "trusted.overlay.opaque"
+const _OVL_XATTR_OPAQUE = linux.XATTR_TRUSTED_PREFIX + "overlay.opaque"
func isWhiteout(stat *linux.Statx) bool {
return stat.Mode&linux.S_IFMT == linux.S_IFCHR && stat.RdevMajor == 0 && stat.RdevMinor == 0