Re: [PATCH v3 0/3] ovl: Fix null ptr dereference at realinode in rcu-walk

[Christian Brauner]

On Tue, May 16, 2023 at 10:16:16PM +0800, Zhihao Cheng wrote:
> v1->v2:
>   Extract a helper to get realpath and real inode from ovl inode.
>   Get realinode from realpath in do_ovl_get_acl().
> v2->v3:
>   Modify original helper ovl_i_path_real() to return the realinode.
> 
> Zhihao Cheng (3):
>   ovl: Let helper ovl_i_path_real() return the realinode
>   ovl: ovl_permission: Fix null pointer dereference at realinode in
>     rcu-walk mode
>   ovl: get_acl: Fix null pointer dereference at realinode in rcu-walk
>     mode
> 
>  fs/overlayfs/inode.c     | 17 ++++++++---------
>  fs/overlayfs/overlayfs.h |  2 +-
>  fs/overlayfs/util.c      |  7 ++++---
>  3 files changed, 13 insertions(+), 13 deletions(-)

Looks good to me,
Reviewed-by: Christian Brauner <brauner@xxxxxxxxxx>