On Thu, Aug 21, 2025 at 10:20:26PM +0800, Qianfeng Rong wrote: > As noted in the kernel documentation [1], open-coded multiplication in > allocator arguments is discouraged because it can lead to integer overflow. > > Use kcalloc() to gain built-in overflow protection, making memory > allocation safer when calculating allocation size compared to explicit > multiplication. Similarly, use size_add() instead of explicit addition > for 'uobj_chunk_num + sobj_chunk_num'. > > Link: https://www.kernel.org/doc/html/next/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments #1 > Signed-off-by: Qianfeng Rong <rongqianfeng@xxxxxxxx> Acked-by: Giovanni Cabiddu <giovanni.cabiddu@xxxxxxxxx> Regards, -- Giovanni