Re: Q: selinux_bprm_committed_creds() && signals/do_wait

[Oleg Nesterov]

On 04/29, David Howells wrote:
>
> From: David Howells <dhowells@xxxxxxxxxx>
> Subject: [PATCH] SELinux: Don't flush inherited SIGKILL during execve()
>
> Don't flush inherited SIGKILL during execve() in SELinux's post cred commit
> hook.  This isn't really a security problem: if the SIGKILL came before the
> credentials were changed, then we were right to receive it at the time, and
> should honour it; if it came after the creds were changed, then we definitely
> should honour it; and in any case, all that will happen is that the process
> will be scrapped before it ever returns to userspace.
>
> Signed-off-by: David Howells <dhowells@xxxxxxxxxx>

Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>

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