From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Ram Pai <linuxram@us.ibm.com>
Cc: dave.hansen@intel.com, msuchanek@suse.com,
Ulrich.Weigand@de.ibm.com, linuxram@us.ibm.com,
mhocko@kernel.org, paulus@samba.org,
aneesh.kumar@linux.vnet.ibm.com, bauerman@linux.vnet.ibm.com,
Shakeel Butt <shakeelb@google.com>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: powerpc/pkeys: Detach execute_only key on !PROT_EXEC
Date: Wed, 6 Jun 2018 01:19:30 +1000 (AEST) [thread overview]
Message-ID: <410b7l0wxRz9s0x@ozlabs.org> (raw)
In-Reply-To: <1525464111-1096-1-git-send-email-linuxram@us.ibm.com>
On Fri, 2018-05-04 at 20:01:51 UTC, Ram Pai wrote:
> Disassociate the exec_key from a VMA if the VMA permission is not
> PROT_EXEC anymore. Otherwise the exec_only key continues to be
> associated with the vma, causing unexpected behavior.
>
> The problem was reported on x86 by Shakeel Butt,
> which is also applicable on powerpc.
>
> cc: Shakeel Butt <shakeelb@google.com>
> Reported-by: Shakeel Butt <shakeelb@google.com>
> Fixes 5586cf6 ("powerpc: introduce execute-only pkey")
> Signed-off-by: Ram Pai <linuxram@us.ibm.com>
> Reviewed-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/eabdb8ca8690eedd461e61ea778059
cheers
prev parent reply other threads:[~2018-06-05 15:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-04 20:01 [PATCH ] powerpc/pkeys: Detach execute_only key on !PROT_EXEC Ram Pai
2018-05-22 1:42 ` Thiago Jung Bauermann
2018-06-05 15:19 ` Michael Ellerman [this message]
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