Kees Cook wrote:
> This is a stab at providing three new helpers for allocation size
> calculation:
>
> struct_size(), array_size(), and array3_size().
>
> These are implemented on top of Rasmus's overflow checking functions. The
> existing allocators are adjusted to use the more efficient overfl
On Thu, May 31, 2018 at 5:54 PM, Linus Torvalds
wrote:
> On Thu, May 31, 2018 at 7:43 PM Kees Cook wrote:
>>
>> So, while nothing does:
>> kmalloc_array(a, b, ...) -> kmalloc(array_size(a, b), ...)
>> the treewide changes DO perform changes like this:
>> kmalloc(a * b, ...) -> kmalloc(arr
On Thu, May 31, 2018 at 7:43 PM Kees Cook wrote:
>
> So, while nothing does:
> kmalloc_array(a, b, ...) -> kmalloc(array_size(a, b), ...)
> the treewide changes DO perform changes like this:
> kmalloc(a * b, ...) -> kmalloc(array_size(a, b), ...)
Ugh. I really really still absolutely desp
This is a stab at providing three new helpers for allocation size
calculation:
struct_size(), array_size(), and array3_size().
These are implemented on top of Rasmus's overflow checking functions. The
existing allocators are adjusted to use the more efficient overflow
checks as well.
While the t
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