On Thu, May 15, 2014 at 11:38 AM, Andrew Morton
wrote:
>
> We could easily change the interface so that pages==NULL means "no
> pages" but that isn't the way it works at present.
>
Yeah, thanks /Hillf
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On Thu, 15 May 2014 11:18:29 +0800 Hillf Danton wrote:
> > --- a/arch/x86/vdso/vma.c
> > +++ b/arch/x86/vdso/vma.c
> > @@ -90,6 +90,7 @@ static int map_vdso(const struct vdso_image *image, bool
> > calculate_addr)
> > struct vm_area_struct *vma;
> > unsigned long addr;
> >
Hi Andy,
On Thu, May 15, 2014 at 7:46 AM, Andy Lutomirski wrote:
> The oops can be triggered in qemu using -no-hpet (but not nohpet) by
> reading a couple of pages past the end of the vdso text. This
> should send SIGBUS instead of OOPSing.
>
> The bug was introduced by:
>
> commit 7a59ed415f5b5
The oops can be triggered in qemu using -no-hpet (but not nohpet) by
reading a couple of pages past the end of the vdso text. This
should send SIGBUS instead of OOPSing.
The bug was introduced by:
commit 7a59ed415f5b57469e22e41fc4188d5399e0b194
Author: Stefani Seibold
Date: Mon Mar 17 23:22:0
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