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From: Dave Hansen <>
To: Andrew Morton <>,
	Fengguang Wu <>
Cc: Linux Memory Management List <>,
	Alexander Viro <>,
	Linus Torvalds <>,
	Kees Cook <>,
	Serge Hallyn <>,
	James Morris <>,,,
Subject: Re: [do_execve] attempted to set unsupported pgprot
Date: Thu, 19 Apr 2018 14:26:15 -0700	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

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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