On 12.09.19 03:37, Naoya Horiguchi wrote:
> On Wed, Sep 11, 2019 at 12:27:22PM +0200, David Hildenbrand wrote:
>> On 10.09.19 12:30, Oscar Salvador wrote:
>>> From: Naoya Horiguchi
>>>
>>> Currently madvise_inject_error() pins the target via get_user_pages_fast.
>>> The call to
On Wed, Sep 11, 2019 at 12:27:22PM +0200, David Hildenbrand wrote:
> On 10.09.19 12:30, Oscar Salvador wrote:
> > From: Naoya Horiguchi
> >
> > Currently madvise_inject_error() pins the target via get_user_pages_fast.
> > The call to get_user_pages_fast is only to get the respective page
> > of
Hi David,
On Wed, Sep 11, 2019 at 12:23:24PM +0200, David Hildenbrand wrote:
> On 10.09.19 12:30, Oscar Salvador wrote:
> > From: Naoya Horiguchi
> >
> > Currently madvise_inject_error() pins the target via get_user_pages_fast.
> > The call to get_user_pages_fast is only to get the respective
On 10.09.19 12:30, Oscar Salvador wrote:
> From: Naoya Horiguchi
>
> Currently madvise_inject_error() pins the target via get_user_pages_fast.
> The call to get_user_pages_fast is only to get the respective page
> of a given address, but it is the job of the memory-poisoning handler
> to deal
On 10.09.19 12:30, Oscar Salvador wrote:
> From: Naoya Horiguchi
>
> Currently madvise_inject_error() pins the target via get_user_pages_fast.
> The call to get_user_pages_fast is only to get the respective page
> of a given address, but it is the job of the memory-poisoning handler
> to deal
From: Naoya Horiguchi
Currently madvise_inject_error() pins the target via get_user_pages_fast.
The call to get_user_pages_fast is only to get the respective page
of a given address, but it is the job of the memory-poisoning handler
to deal with races, so drop the refcount grabbed by
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