Re: Multiple potential races on vma->vm_flags

From: Sasha Levin
Date: Thu Sep 24 2015 - 15:02:15 EST

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

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