On Thu, Aug 21, 2025 at 09:41:15PM +0800, Qianfeng Rong wrote:
> Replace kzalloc() with kcalloc() in kernel/rcu. 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.
>
> Link:
> https://www.kernel.org/doc/html/next/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments
> #1
> Signed-off-by: Qianfeng Rong <rongqianf...@vivo.com>
Queued for review and testing, thank you!
Thanx, Paul
> Qianfeng Rong (2):
> rcutorture: Use kcalloc() instead of kzalloc()
> refscale: Use kcalloc() instead of kzalloc()
>
> kernel/rcu/rcutorture.c | 4 ++--
> kernel/rcu/refscale.c | 2 +-
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
> --
> 2.34.1
>
