tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: f76698bd9a8ca01d3581236082d786e9a6b72bb7 commit: d18d3f0a24fc4a3513495892ab1a3753628b341b [7577/7797] l2tp: replace hlist with simple list for per-tunnel session list config: i386-randconfig-062-20240622 (https://download.01.org/0day-ci/archive/20240622/202406220754.evK8Hrjw-lkp@xxxxxxxxx/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240622/202406220754.evK8Hrjw-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202406220754.evK8Hrjw-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> net/l2tp/l2tp_core.c:1298:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct list_head const *list @@ got struct list_head [noderef] __rcu *pos @@ net/l2tp/l2tp_core.c:1298:9: sparse: expected struct list_head const *list net/l2tp/l2tp_core.c:1298:9: sparse: got struct list_head [noderef] __rcu *pos >> net/l2tp/l2tp_core.c:1298:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct list_head [noderef] __rcu *pos @@ got struct list_head *next @@ net/l2tp/l2tp_core.c:1298:9: sparse: expected struct list_head [noderef] __rcu *pos net/l2tp/l2tp_core.c:1298:9: sparse: got struct list_head *next >> net/l2tp/l2tp_core.c:1299:27: sparse: sparse: cast removes address space '__rcu' of expression >> net/l2tp/l2tp_core.c:1298:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct list_head [noderef] __rcu *pos @@ got struct list_head *[assigned] tmp @@ net/l2tp/l2tp_core.c:1298:9: sparse: expected struct list_head [noderef] __rcu *pos net/l2tp/l2tp_core.c:1298:9: sparse: got struct list_head *[assigned] tmp net/l2tp/l2tp_core.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/umh.h, include/linux/kmod.h, ...): include/linux/page-flags.h:240:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:240:46: sparse: sparse: self-comparison always evaluates to false >> net/l2tp/l2tp_core.c:1298:9: sparse: sparse: dereference of noderef expression >> net/l2tp/l2tp_core.c:1298:9: sparse: sparse: dereference of noderef expression vim +1298 net/l2tp/l2tp_core.c 1287 1288 /* When the tunnel is closed, all the attached sessions need to go too. 1289 */ 1290 static void l2tp_tunnel_closeall(struct l2tp_tunnel *tunnel) 1291 { 1292 struct l2tp_session *session; 1293 struct list_head __rcu *pos; 1294 struct list_head *tmp; 1295 1296 spin_lock_bh(&tunnel->list_lock); 1297 tunnel->acpt_newsess = false; > 1298 list_for_each_safe(pos, tmp, &tunnel->session_list) { > 1299 session = list_entry(pos, struct l2tp_session, list); 1300 list_del_init(&session->list); 1301 spin_unlock_bh(&tunnel->list_lock); 1302 l2tp_session_delete(session); 1303 spin_lock_bh(&tunnel->list_lock); 1304 } 1305 spin_unlock_bh(&tunnel->list_lock); 1306 } 1307 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
