Date: Sun, 24 Jan 2016 01:43:42 +0000 From: Al Viro <viro@...IV.linux.org.uk> To: "Eric W. Biederman" <ebiederm@...ssion.com> Cc: Jann Horn <jann@...jh.net>, kernel-hardening@...ts.openwall.com, Kees Cook <keescook@...omium.org>, Andrew Morton <akpm@...ux-foundation.org>, Richard Weinberger <richard@....at>, Andy Lutomirski <luto@...capital.net>, Robert Święcki <robert@...ecki.net>, Dmitry Vyukov <dvyukov@...gle.com>, David Howells <dhowells@...hat.com>, Miklos Szeredi <mszeredi@...e.cz>, Kostya Serebryany <kcc@...gle.com>, Alexander Potapenko <glider@...gle.com>, Eric Dumazet <edumazet@...gle.com>, Sasha Levin <sasha.levin@...cle.com>, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: Re: [PATCH 1/2] sysctl: expand use of proc_dointvec_minmax_sysadmin On Sat, Jan 23, 2016 at 07:20:17PM -0600, Eric W. Biederman wrote: > Yep. That is about the size of it. file * used to be passed to the > sysctl methods but it was removed several years ago because no one was > using it. Generally cred would be better... Alternatively we could eat one more pointer in task_struct and stash a reference to that sucker there, rather than adding an explicit argument (again, with cred instead of file). Not sure...
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