From: Sasha Levin <sasha.levin@oracle.com>
To: Andrey Ryabinin <ryabinin.a.a@gmail.com>,
Oleg Nesterov <oleg@redhat.com>
Cc: Hugh Dickins <hughd@google.com>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Andrey Konovalov <andreyknvl@google.com>,
Rik van Riel <riel@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Dmitry Vyukov <dvyukov@google.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Vlastimil Babka <vbabka@suse.cz>
Subject: Re: Multiple potential races on vma->vm_flags
Date: Thu, 24 Sep 2015 15:01:51 -0400 [thread overview]
Message-ID: <5604489F.8070506@oracle.com> (raw)
In-Reply-To: <CAPAsAGx660uSk=WbpWmZR9FpSFXmp3G9yXxRXu65gozu3qT63g@mail.gmail.com>
On 09/24/2015 02:52 PM, Andrey Ryabinin wrote:
> Sasha, could you confirm that in your kernel mmu_notifier_mm field has
> 0x4c8 offset?
> I would use gdb for that:
> gdb vmlinux
> (gdb) p/x &(((struct mm_struct*)0)->mmu_notifier_mm)
(gdb) p/x &(((struct mm_struct*)0)->mmu_notifier_mm)
$1 = 0x4c8
Thanks,
Sasha
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WARNING: multiple messages have this Message-ID (diff)
From: Sasha Levin <sasha.levin@oracle.com>
To: Andrey Ryabinin <ryabinin.a.a@gmail.com>,
Oleg Nesterov <oleg@redhat.com>
Cc: Hugh Dickins <hughd@google.com>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Andrey Konovalov <andreyknvl@google.com>,
Rik van Riel <riel@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Dmitry Vyukov <dvyukov@google.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Vlastimil Babka <vbabka@suse.cz>
Subject: Re: Multiple potential races on vma->vm_flags
Date: Thu, 24 Sep 2015 15:01:51 -0400 [thread overview]
Message-ID: <5604489F.8070506@oracle.com> (raw)
In-Reply-To: <CAPAsAGx660uSk=WbpWmZR9FpSFXmp3G9yXxRXu65gozu3qT63g@mail.gmail.com>
On 09/24/2015 02:52 PM, Andrey Ryabinin wrote:
> Sasha, could you confirm that in your kernel mmu_notifier_mm field has
> 0x4c8 offset?
> I would use gdb for that:
> gdb vmlinux
> (gdb) p/x &(((struct mm_struct*)0)->mmu_notifier_mm)
(gdb) p/x &(((struct mm_struct*)0)->mmu_notifier_mm)
$1 = 0x4c8
Thanks,
Sasha
next prev parent reply other threads:[~2015-09-24 19:10 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAAeHK+z8o96YeRF-fQXmoApOKXa0b9pWsQHDeP=5GC_hMTuoDg@mail.gmail.com>
[not found] ` <55EC9221.4040603@oracle.com>
2015-09-07 11:40 ` Multiple potential races on vma->vm_flags Kirill A. Shutemov
2015-09-07 11:40 ` Kirill A. Shutemov
2015-09-09 15:27 ` Vlastimil Babka
2015-09-09 15:27 ` Vlastimil Babka
2015-09-09 16:01 ` Kirill A. Shutemov
2015-09-09 16:01 ` Kirill A. Shutemov
2015-09-10 0:58 ` Sasha Levin
2015-09-10 0:58 ` Sasha Levin
2015-09-10 8:36 ` Kirill A. Shutemov
2015-09-10 8:36 ` Kirill A. Shutemov
2015-09-10 13:27 ` Andrey Konovalov
2015-09-10 13:27 ` Andrey Konovalov
2015-09-11 10:39 ` Kirill A. Shutemov
2015-09-11 10:39 ` Kirill A. Shutemov
2015-09-11 15:29 ` Vlastimil Babka
2015-09-11 15:29 ` Vlastimil Babka
2015-09-11 16:08 ` Vlastimil Babka
2015-09-11 16:08 ` Vlastimil Babka
2015-09-12 1:27 ` Hugh Dickins
2015-09-12 1:27 ` Hugh Dickins
2015-09-14 10:16 ` Kirill A. Shutemov
2015-09-14 10:16 ` Kirill A. Shutemov
2015-09-15 17:36 ` Sasha Levin
2015-09-15 17:36 ` Sasha Levin
2015-09-15 19:01 ` Kirill A. Shutemov
2015-09-15 19:01 ` Kirill A. Shutemov
2015-09-22 16:47 ` Andrey Konovalov
2015-09-22 16:47 ` Andrey Konovalov
2015-09-22 18:54 ` Hugh Dickins
2015-09-22 18:54 ` Hugh Dickins
2015-09-22 19:45 ` Andrey Konovalov
2015-09-22 19:45 ` Andrey Konovalov
2015-09-23 1:39 ` Hugh Dickins
2015-09-23 1:39 ` Hugh Dickins
2015-09-23 11:46 ` Kirill A. Shutemov
2015-09-23 11:46 ` Kirill A. Shutemov
2015-09-23 22:58 ` Davidlohr Bueso
2015-09-23 22:58 ` Davidlohr Bueso
2015-09-23 13:08 ` Andrey Konovalov
2015-09-23 13:08 ` Andrey Konovalov
2015-09-24 0:42 ` Sasha Levin
2015-09-24 0:42 ` Sasha Levin
2015-09-25 19:33 ` Kirill A. Shutemov
2015-09-25 19:33 ` Kirill A. Shutemov
2015-10-13 22:38 ` Hugh Dickins
2015-10-13 22:38 ` Hugh Dickins
2015-10-13 22:33 ` Hugh Dickins
2015-10-13 22:33 ` Hugh Dickins
2015-10-15 16:58 ` Andrey Konovalov
2015-10-15 16:58 ` Andrey Konovalov
2015-09-23 21:30 ` Sasha Levin
2015-09-23 21:30 ` Sasha Levin
2015-09-25 14:26 ` Oleg Nesterov
2015-09-25 14:26 ` Oleg Nesterov
2015-09-24 13:11 ` Oleg Nesterov
2015-09-24 13:11 ` Oleg Nesterov
2015-09-24 16:27 ` Sasha Levin
2015-09-24 16:27 ` Sasha Levin
2015-09-24 17:26 ` Oleg Nesterov
2015-09-24 17:26 ` Oleg Nesterov
2015-09-24 18:52 ` Andrey Ryabinin
2015-09-24 18:52 ` Andrey Ryabinin
2015-09-24 19:01 ` Sasha Levin [this message]
2015-09-24 19:01 ` Sasha Levin
2015-09-25 12:41 ` Oleg Nesterov
2015-09-25 12:41 ` Oleg Nesterov
2015-09-23 15:34 ` Oleg Nesterov
2015-09-23 15:34 ` Oleg Nesterov
2015-09-23 15:38 ` Oleg Nesterov
2015-09-23 15:38 ` Oleg Nesterov
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