linux-kernel - RE: [PATCH] ia64: Make stack VMA anonymous

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <3908561D78D1C84285E8C5FCA982C28F7D38B551@ORSMSX110.amr.corp.intel.com>
Date:   Wed, 1 Aug 2018 15:32:28 +0000
From:   "Luck, Tony" <tony.luck@...el.com>
To:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
CC:     Dmitry Vyukov <dvyukov@...gle.com>,
        Oleg Nesterov <oleg@...hat.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] ia64: Make stack VMA anonymous

> IA64 allocates stack in a custom way. Stack has to be marked as
> anonymous otherwise the process will be killed with SIGBUS on the first
> access to the stack.
>
> Add missing vma_set_anonymous().

That does the trick. Applied this patch on top of -rc7 and ia64 boots again.

Tested-by: Tony Luck <tony.luck@...el.com>

-Tony