svn commit: r307936 - head/sys/amd64/amd64

[Oliver Pinter]

On 10/25/16, Tijl Coosemans <tijl at freebsd.org> wrote:
> On Tue, 25 Oct 2016 17:13:46 +0000 (UTC) Gleb Smirnoff <glebius at FreeBSD.org>
> wrote:
>> Author: glebius
>> Date: Tue Oct 25 17:13:46 2016
>> New Revision: 307936
>> URL: https://svnweb.freebsd.org/changeset/base/307936
>>
>> Log:
>>   The argument validation in r296956 was not enough to close all possible
>>   overflows in sysarch(2).
>>
>>   Submitted by:	Kun Yang <kun.yang chaitin.com>
>>   Patch by:	kib
>>   Security:	SA-16:15
>>
>> Modified:
>>   head/sys/amd64/amd64/sys_machdep.c
>
> This patch and r296956 need to be applied to i386 too, don't they?

And what's about this for i386:


commit 3f32edbd77088eb3437503cca9fc4881d8e382e6
Author: tijl <tijl at FreeBSD.org>
Date:   Sun Sep 25 18:29:02 2016 +0000

    MFamd64: r266901

    Allocate a zeroed LDT.

    Failing to do this might result in the LDT appearing to run out of free
    descriptors because of random junk in the descriptor's 'sd_type' field.

    http://lists.freebsd.org/pipermail/freebsd-amd64/2014-May/016088.html

    PR:             212639
    Submitted by:   wheelcomplex at gmail.com
    MFC after:      2 weeks

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