Re: [PATCH] crypto: qat - use kcalloc_node() instead of kzalloc_node()

[Cabiddu, Giovanni]

On Sun, Jan 21, 2024 at 05:40:43PM +0100, Erick Archer wrote:
> As noted in the "Deprecated Interfaces, Language Features, Attributes,
> and Conventions" documentation [1], size calculations (especially
> multiplication) should not be performed in memory allocator (or similar)
> function arguments due to the risk of them overflowing. This could lead
> to values wrapping around and a smaller allocation being made than the
> caller was expecting. Using those allocations could lead to linear
> overflows of heap memory and other misbehaviors.
> 
> So, use the purpose specific kcalloc_node() function instead of the
> argument count * size in the kzalloc_node() function.
> 
> Link: https://www.kernel.org/doc/html/next/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments [1]
> Link: https://github.com/KSPP/linux/issues/162
> Signed-off-by: Erick Archer <erick.archer@xxxxxxx>
Acked-by: Giovanni Cabiddu <giovanni.cabiddu@xxxxxxxxx>