On Tue, Apr 23, 2024 at 07:50:22PM +0800, linke li wrote: > In __nf_ct_ext_find(), ext->gen_id can be changed by > nf_ct_ext_valid_post(), using WRITE_ONCE. Mark data races on ext->gen_id > as benign using READ_ONCE. > > This patch is aimed at reducing the number of benign races reported by > KCSAN in order to focus future debugging effort on harmful races. There are a more uses ext->gen_id in the code, my understanding this patch is just a stub.