Date: Mon, 12 Dec 2011 15:31:56 +0400 From: Vasiliy Kulikov <segoon@...nwall.com> To: Al Viro <viro@...IV.linux.org.uk> Cc: Andrew Morton <akpm@...ux-foundation.org>, Alexey Dobriyan <adobriyan@...il.com>, kernel-hardening@...ts.openwall.com, linux-kernel@...r.kernel.org, Hugh Dickins <hughd@...gle.com> Subject: Re: [PATCH -next] proc: fix task_struct infoleak On Sun, Dec 11, 2011 at 20:59 +0000, Al Viro wrote: > On Sun, Dec 11, 2011 at 10:28:21PM +0400, Vasiliy Kulikov wrote: > > proc_pid_permission() doesn't put task_struct on every /proc/$pid/ > > access. A demo from Hugh Dickins: > > > > while :; do ps; grep KernelStack /proc/meminfo; sleep 1; done > > > > Reported-by: Hugh Dickins <hughd@...gle.com> > > Signed-off-by: Vasiliy Kulikov <segoon@...nwall.com> > > --- > > This is a patch against a hidepid patchset from -mm. > > Choose saner commit summary, please. It's not information leak, for pity sake > - it's a plain and simple memory leak... Oops! s/infoleak/memleak/ surely, bad habit... Thank you, I'll resend the patch. -- Vasiliy Kulikov http://www.openwall.com - bringing security into open computing environments
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