Hi all, After merging the landlock tree, today's linux-next build (powerpc ppc64_defconfig) failed like this: security/landlock/net.c:165:51: error: expected '=', ',', ';', 'asm' or '__attribute__' before '__lsm_ro_after_init' 165 | static struct security_hook_list landlock_hooks[] __lsm_ro_after_init = { | ^~~~~~~~~~~~~~~~~~~ security/landlock/net.c: In function 'landlock_add_net_hooks': security/landlock/net.c:172:28: error: 'landlock_hooks' undeclared (first use in this function) 172 | security_add_hooks(landlock_hooks, ARRAY_SIZE(landlock_hooks), | ^~~~~~~~~~~~~~ security/landlock/net.c:172:28: note: each undeclared identifier is reported only once for each function it appears in In file included from include/linux/container_of.h:5, from include/linux/kernel.h:21, from include/linux/uio.h:8, from include/linux/socket.h:8, from include/uapi/linux/in.h:25, from include/linux/in.h:19, from security/landlock/net.c:9: include/linux/build_bug.h:16:51: error: bit-field '' width not an integer constant 16 | #define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); }))) | ^ include/linux/compiler.h:231:33: note: in expansion of macro 'BUILD_BUG_ON_ZERO' 231 | #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0])) | ^~~~~~~~~~~~~~~~~ include/linux/kernel.h:56:59: note: in expansion of macro '__must_be_array' 56 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr)) | ^~~~~~~~~~~~~~~ security/landlock/net.c:172:44: note: in expansion of macro 'ARRAY_SIZE' 172 | security_add_hooks(landlock_hooks, ARRAY_SIZE(landlock_hooks), | ^~~~~~~~~~ security/landlock/net.c: At top level: security/landlock/net.c:157:12: warning: 'hook_socket_connect' defined but not used [-Wunused-function] 157 | static int hook_socket_connect(struct socket *const sock, | ^~~~~~~~~~~~~~~~~~~ security/landlock/net.c:150:12: warning: 'hook_socket_bind' defined but not used [-Wunused-function] 150 | static int hook_socket_bind(struct socket *const sock, | ^~~~~~~~~~~~~~~~ Caused by commit 6d0bfdb25ce6 ("landlock: Add network rules and TCP hooks support") I have use the landlock tree from next-20230605 for today. -- Cheers, Stephen Rothwell