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From: Borislav Petkov <bp@suse.de>
To: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Kosina <jkosina@suse.cz>, Kees Cook <keescook@chromium.org>,
	Yinghai Lu <yinghai@kernel.org>,
	Matt Fleming <matt.fleming@intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	"linux-efi@vger.kernel.org" <linux-efi@vger.kernel.org>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>
Subject: Re: [PATCH 1/8] x86, kaslr: get kaslr_enabled back correctly
Date: Sun, 1 Mar 2015 20:39:29 +0100	[thread overview]
Message-ID: <20150301193929.GB7748@pd.tnic> (raw)
In-Reply-To: <20150301152351.GA17391@gmail.com>

On Sun, Mar 01, 2015 at 04:23:51PM +0100, Ingo Molnar wrote:
> I think that's a different bug.
> 
> parse_kaslr_setup() is simply bogus, it does:
> 
>         kaslr_enabled = (bool)(pa_data + sizeof(struct setup_data));

Well, we found that while debugging the other issue too:

https://lkml.kernel.org/r/20150228105049.GA11038@pd.tnic

Scroll to the end.

> So I'm inclined to apply Yinghai's fix, with a better changelog that 
> explains what happened ...
> 
> Agreed?

Yes, this fix needs a commit message which actually explains what's it
fixing before it gets applied.

Thanks.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
--

  parent reply	other threads:[~2015-03-01 19:39 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-01  2:17 [PATCH 0/8] x86, boot: clean up setup_data handling Yinghai Lu
2015-03-01  2:17 ` [PATCH 1/8] x86, kaslr: get kaslr_enabled back correctly Yinghai Lu
2015-03-02  9:39   ` Jiri Kosina
     [not found]   ` <1425176259-30087-2-git-send-email-yinghai-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2015-03-01  2:40     ` Yinghai Lu
2015-03-01  9:45       ` Borislav Petkov
2015-03-01 15:23         ` Ingo Molnar
2015-03-01 19:27           ` Yinghai Lu
2015-03-01 19:49             ` Borislav Petkov
     [not found]               ` <20150301194904.GC7748-fF5Pk5pvG8Y@public.gmane.org>
2015-03-01 20:24                 ` Yinghai Lu
     [not found]                   ` <CAE9FiQVpWQ1NU5Euy2G4btS=94qKCZZ7T0YFsCR1x6iv4C1hjA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-03-01 20:29                     ` Borislav Petkov
2015-03-01 20:41                       ` Yinghai Lu
     [not found]                         ` <CAE9FiQWqfpCg5reKP5TOv=8qJCLxqBDHCKAexH94avZ4b3=irQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-03-02  8:56                           ` Borislav Petkov
     [not found]                             ` <20150302085654.GA17532-fF5Pk5pvG8Y@public.gmane.org>
2015-03-02 11:04                               ` Yinghai Lu
2015-03-02 14:53                                 ` Borislav Petkov
2015-03-02 18:58                                   ` Yinghai Lu
2015-03-02 20:25                                     ` Borislav Petkov
     [not found]                                       ` <20150302202507.GD17532-fF5Pk5pvG8Y@public.gmane.org>
2015-03-02 22:10                                         ` Yinghai Lu
2015-03-01 19:39           ` Borislav Petkov [this message]
2015-03-02 13:13     ` Matt Fleming
2015-03-01  2:17 ` [PATCH 2/8] x86: Kill E820_RESERVED_KERN Yinghai Lu
2015-03-01  2:17 ` [PATCH 3/8] x86, efi: copy SETUP_EFI data and access directly Yinghai Lu
2015-03-01  2:17 ` [PATCH 4/8] x86, of: let add_dtb reserve by itself Yinghai Lu
2015-03-01  2:17 ` [PATCH 5/8] x86, boot: Add add_pci handler for SETUP_PCI Yinghai Lu
     [not found] ` <1425176259-30087-1-git-send-email-yinghai-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2015-03-01  2:17   ` [PATCH 6/8] x86: kill not used setup_data handling code Yinghai Lu
2015-03-01  2:17 ` [PATCH 7/8] x86, pci: convert SETUP_PCI data to list Yinghai Lu
2015-03-01  2:17 ` [PATCH 8/8] x86, pci: export SETUP_PCI data via sysfs Yinghai Lu

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