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

Acked-by: Christian Brauner <>

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