Re: [PATCH v6 10/16] kernel/kcmp.c: Use new infrastructure to fix deadlocks in execve
From: Christian Brauner <hidden>
Date: 2020-03-25 15:42:13
Also in:
linux-api, linux-fsdevel, linux-mm, lkml, stable
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 <redacted>
Acked-by: Christian Brauner <redacted>