From: "Hector Martin 'marcan'" <marcan@marcan.st>
To: Andy Lutomirski <luto@amacapital.net>
Cc: LKML <linux-kernel@vger.kernel.org>,
"kernel-hardening@lists.openwall.com"
<kernel-hardening@lists.openwall.com>, X86 ML <x86@kernel.org>
Subject: Re: [kernel-hardening] Re: vDSO maximum stack usage, stack probes, and -fstack-check
Date: Sat, 11 Nov 2017 01:36:47 +0900 [thread overview]
Message-ID: <a4f2bc2f-4d90-85fe-c0cc-d0d31551e933@marcan.st> (raw)
In-Reply-To: <06a4b0b4-4b36-91b6-d146-9fc1300b785f@marcan.st>
On 2017-11-11 01:02, Hector Martin 'marcan' wrote:
> Not entirely sure what's going on here.
Actually, if you think about it, it doesn't matter that it skips the
first page, since it's probing one page more. That just means the caller
will have probed the previous page. So ultimately you're just probing
ahead of where you need to, but that should be OK.
--
Hector Martin "marcan" (marcan@marcan.st)
Public Key: https://mrcn.st/pub
next prev parent reply other threads:[~2017-11-10 16:36 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-10 10:40 vDSO maximum stack usage, stack probes, and -fstack-check Hector Martin 'marcan'
2017-11-10 14:57 ` Andy Lutomirski
2017-11-10 16:02 ` [kernel-hardening] " Hector Martin 'marcan'
2017-11-10 16:36 ` Hector Martin 'marcan' [this message]
2017-11-10 22:04 ` Andy Lutomirski
2017-11-11 5:16 ` Hector Martin 'marcan'
2017-11-12 4:21 ` Andy Lutomirski
2017-11-12 4:39 ` Hector Martin 'marcan'
2017-11-10 22:04 ` Andy Lutomirski
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