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From: Dave Hansen <dave.hansen@linux.intel.com>
To: Andrew Morton <akpm@linux-foundation.org>,
	Fengguang Wu <fengguang.wu@intel.com>
Cc: Linux Memory Management List <linux-mm@kvack.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Kees Cook <keescook@chromium.org>,
	Serge Hallyn <serge@hallyn.com>,
	James Morris <james.l.morris@oracle.com>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	lkp@01.org
Subject: Re: [do_execve] attempted to set unsupported pgprot
Date: Thu, 19 Apr 2018 14:26:15 -0700	[thread overview]
Message-ID: <e8f57e63-2657-6193-55e0-b097363ec97a@linux.intel.com> (raw)
In-Reply-To: <20180418125916.a8be1fac1ac017f41a10f0fb@linux-foundation.org>

On 04/18/2018 12:59 PM, Andrew Morton wrote:
> Dave, fb43d6cb91ef57 ("x86/mm: Do not auto-massage page protections")
> looks like a culprit?

This looks like a problem when a 32-bit kernel runs on hardware without
NX support.  I'm digging into it but haven't found a root cause yet.

      parent reply	other threads:[~2018-04-19 21:26 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-18 13:59 Fengguang Wu
2018-04-18 19:59 ` Andrew Morton
2018-04-18 20:33   ` Dave Hansen
2018-04-19 21:26   ` Dave Hansen [this message]

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