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Date: Fri, 7 Jul 2017 11:27:45 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: Elena Reshetova <elena.reshetova@...el.com>
Cc: linux-kernel@...r.kernel.org, cgroups@...r.kernel.org,
linux-audit@...hat.com, linux-fsdevel@...r.kernel.org,
gregkh@...uxfoundation.org, viro@...iv.linux.org.uk, tj@...nel.org,
mingo@...hat.com, hannes@...xchg.org, lizefan@...wei.com,
acme@...nel.org, alexander.shishkin@...ux.intel.com,
eparis@...hat.com, akpm@...ux-foundation.org, arnd@...db.de,
luto@...nel.org, keescook@...omium.org,
Hans Liljestrand <ishkamiel@...il.com>,
David Windsor <dwindsor@...il.com>
Subject: Re: [PATCH 06/15] kernel: convert perf_event_context.refcount from
atomic_t to refcount_t
On Fri, Jul 07, 2017 at 12:04:20PM +0300, Elena Reshetova wrote:
> refcount_t type and corresponding API should be
> used instead of atomic_t when the variable is used as
> a reference counter. This allows to avoid accidental
> refcounter overflows that might lead to use-after-free
> situations.
>
> Signed-off-by: Elena Reshetova <elena.reshetova@...el.com>
> Signed-off-by: Hans Liljestrand <ishkamiel@...il.com>
> Signed-off-by: Kees Cook <keescook@...omium.org>
> Signed-off-by: David Windsor <dwindsor@...il.com>
That's an invalid SoB chain.. can't do anything with these patches.
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