Re: [PATCH AUTOSEL 4.4 15/65] btrfs: don't create or leak aliased root while cleaning up orphans

On Thu, Oct 25, 2018 at 10:16:15AM -0400, Sasha Levin wrote:

From: Jeff Mahoney jeffm@suse.com

[ Upstream commit 35bbb97fc898aeb874cb7c8b746f091caa359994 ]

commit 909c3a22da3 (Btrfs: fix loading of orphan roots leading to BUG_ON) avoids the BUG_ON but can add an aliased root to the dead_roots list or leak the root.

Since we've already been loading roots into the radix tree, we should use it before looking the root up on disk.

Cc: stable@vger.kernel.org # 4.5

Ack for 4.4 stable.