On 8/15/2018 2:54 AM, Kees Cook wrote:
> (Please use contextual quoting in replies... mixing contextual with
> top-posting becomes very hard to read...)
>
> On Tue, Aug 14, 2018 at 6:02 AM, Yuanxiaofeng (XiAn)
> wrote:
>> On Tue, Aug 14, 2018 at 8:35PM Matthew Wilcox wrote:
>>> On Tue, Aug
On 8/15/2018 2:54 AM, Kees Cook wrote:
> (Please use contextual quoting in replies... mixing contextual with
> top-posting becomes very hard to read...)
>
> On Tue, Aug 14, 2018 at 6:02 AM, Yuanxiaofeng (XiAn)
> wrote:
>> On Tue, Aug 14, 2018 at 8:35PM Matthew Wilcox wrote:
>>> On Tue, Aug
(Please use contextual quoting in replies... mixing contextual with
top-posting becomes very hard to read...)
On Tue, Aug 14, 2018 at 6:02 AM, Yuanxiaofeng (XiAn)
wrote:
> On Tue, Aug 14, 2018 at 8:35PM Matthew Wilcox wrote:
>> On Tue, Aug 14, 2018 at 08:17:31PM +0800, Xiaofeng Yuan wrote:
>>>
(Please use contextual quoting in replies... mixing contextual with
top-posting becomes very hard to read...)
On Tue, Aug 14, 2018 at 6:02 AM, Yuanxiaofeng (XiAn)
wrote:
> On Tue, Aug 14, 2018 at 8:35PM Matthew Wilcox wrote:
>> On Tue, Aug 14, 2018 at 08:17:31PM +0800, Xiaofeng Yuan wrote:
>>>
On Tue, Aug 14, 2018 at 01:02:55PM +, Yuanxiaofeng (XiAn) wrote:
> 1, When the THREAD_SIZE is less than PAGE_SIZE, the stack will allocate
> memory by kmem_cache_alloc_node(), it's slab memory and will execute
> __check_heap_object().
> 2, When CONFIG_HARDENED_USERCOPY_PAGESPAN is enabled,
On Tue, Aug 14, 2018 at 01:02:55PM +, Yuanxiaofeng (XiAn) wrote:
> 1, When the THREAD_SIZE is less than PAGE_SIZE, the stack will allocate
> memory by kmem_cache_alloc_node(), it's slab memory and will execute
> __check_heap_object().
> 2, When CONFIG_HARDENED_USERCOPY_PAGESPAN is enabled,
1, When the THREAD_SIZE is less than PAGE_SIZE, the stack will allocate memory
by kmem_cache_alloc_node(), it's slab memory and will execute
__check_heap_object().
2, When CONFIG_HARDENED_USERCOPY_PAGESPAN is enabled, the multiple-pages stacks
will do some check in check_page_span().
So, I set
1, When the THREAD_SIZE is less than PAGE_SIZE, the stack will allocate memory
by kmem_cache_alloc_node(), it's slab memory and will execute
__check_heap_object().
2, When CONFIG_HARDENED_USERCOPY_PAGESPAN is enabled, the multiple-pages stacks
will do some check in check_page_span().
So, I set
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