VisionFive2 Linux kernel

author: Miklos Szeredi <mszeredi@redhat.com> 2021-01-28 10:22:48 +0100 committer: Miklos Szeredi <mszeredi@redhat.com> 2021-01-28 10:22:48 +0100 commit: 554677b97257b0b69378bd74e521edb7e94769ff parent: 9efb069de4ba748d284f6129e71de239f801053a

Commit Summary:

ovl: perform vfs_getxattr() with mounter creds

Diffstat:

1 file changed, 2 insertions, 0 deletions

diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index d739e14c6814..cf41bcb664bc 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -352,7 +352,9 @@ int ovl_xattr_set(struct dentry *dentry, struct inode *inode, const char *name,
 		goto out;
 
 	if (!value && !upperdentry) {
+		old_cred = ovl_override_creds(dentry->d_sb);
 		err = vfs_getxattr(realdentry, name, NULL, 0);
+		revert_creds(old_cred);
 		if (err < 0)
 			goto out_drop_write;
 	}