Re: [PATCH v6 10/16] kernel/kcmp.c: Use new infrastructure to fix deadlocks in execve

[Christian Brauner]

On Fri, Mar 20, 2020 at 09:27:05PM +0100, Bernd Edlinger wrote:
> This changes kcmp_epoll_target to use the new exec_update_mutex
> instead of cred_guard_mutex.
> 
> This should be safe, as the credentials are only used for reading,
> and furthermore ->mm and ->sighand are updated on execve,
> but only under the new exec_update_mutex.
> 
> Signed-off-by: Bernd Edlinger <bernd.edlinger@xxxxxxxxxx>

Acked-by: Christian Brauner <christian.brauner@xxxxxxxxxx>