Take the upper mount's idmapping into account when setting fileattrs on the upper layer. This is needed to support idmapped base layers with overlay. Cc: <linux-unionfs@xxxxxxxxxxxxxxx> Tested-by: Giuseppe Scrivano <gscrivan@xxxxxxxxxx> Reviewed-by: Amir Goldstein <amir73il@xxxxxxxxx> Signed-off-by: Christian Brauner (Microsoft) <brauner@xxxxxxxxxx> --- fs/overlayfs/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index 763dada2ae68..f18b02b9dd53 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -537,7 +537,7 @@ int ovl_real_fileattr_set(struct path *realpath, struct fileattr *fa) if (err) return err; - return vfs_fileattr_set(&init_user_ns, realpath->dentry, fa); + return vfs_fileattr_set(mnt_user_ns(realpath->mnt), realpath->dentry, fa); } int ovl_fileattr_set(struct user_namespace *mnt_userns, -- 2.32.0
