diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 6c07efac977c..20dfa5ef75dc 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -3891,8 +3891,13 @@ static __cold int io_uring_create(unsigned entries, struct io_uring_params *p, } if (ctx->flags & IORING_SETUP_SINGLE_ISSUER - && !(ctx->flags & IORING_SETUP_R_DISABLED)) - WRITE_ONCE(ctx->submitter_task, get_task_struct(current)); + && !(ctx->flags & IORING_SETUP_R_DISABLED)) { + /* + * Unlike io_register_enable_rings(), don't need WRITE_ONCE() + * since ctx isn't yet accessible from other tasks + */ + ctx->submitter_task = get_task_struct(current); + } file = io_uring_get_file(ctx); if (IS_ERR(file)) {