Commit 97daf8b9 authored Nov 10, 2015 by Miklos Szeredi

ovl: allow zero size xattr



When ovl_copy_xattr() encountered a zero size xattr no more xattrs were
copied and the function returned success.  This is clearly not the desired
behavior.

Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Cc: <stable@vger.kernel.org>

parent 8d3095f4

fs/overlayfs/copy_up.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -54,7 +54,7 @@ int ovl_copy_xattr(struct dentry old, struct dentry new)

		for (name = buf; name < (buf + list_size); name += strlen(name) + 1) {
		size = vfs_getxattr(old, name, value, XATTR_SIZE_MAX);
		if (size <= 0) {
		if (size < 0) {
		error = size;
		goto out_free_value;
		}