Re: [PATCH] RDMA/rxe: Use kzalloc() to alloc map_set

[Jason Gunthorpe]

On Wed, May 18, 2022 at 12:37:25PM +0800, Li Zhijian wrote:
> Below call chains will alloc map_set without fully initializing map_set.
> rxe_mr_init_fast()
>  -> rxe_mr_alloc()
>     -> rxe_mr_alloc_map_set()
> 
> Uninitialized values inside struct rxe_map_set are possible to cause
> kernel panic.

If the value is uninitialized then why is 0 an OK value?

Would be happier to know the exact value that is not initialized

Jason