On Mon, Mar 13, 2023 at 02:21:40PM -0500, Seth Forshee (DigitalOcean) wrote:
> From: Seth Forshee <sforshee@xxxxxxxxxx>
>
> [ Upstream commit 42d0c4bdf753063b6eec55415003184d3ca24f6e ]
>
> A user should be allowed to take out a lease via an idmapped mount if
> the fsuid matches the mapped uid of the inode. generic_setlease() is
> checking the unmapped inode uid, causing these operations to be denied.
>
> Fix this by comparing against the mapped inode uid instead of the
> unmapped uid.
>
> Fixes: 9caccd41541a ("fs: introduce MOUNT_ATTR_IDMAP")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Seth Forshee (DigitalOcean) <sforshee@xxxxxxxxxx>
> Signed-off-by: Christian Brauner (Microsoft) <brauner@xxxxxxxxxx>
> ---
> fs/locks.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
Now queued up, thanks.
greg k-h
