tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: fc31900c948610e7b5c2f15fb7795832c8325327 commit: 6b6bbe8c02a1bc7ef7f0aa490a3601a16cd145fe [1234/1915] lsm: move the socket hook comments to security/security.c config: x86_64-randconfig-a011-20230306 (https://download.01.org/0day-ci/archive/20230308/202303081345.OAmwqAh7-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=6b6bbe8c02a1bc7ef7f0aa490a3601a16cd145fe git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 6b6bbe8c02a1bc7ef7f0aa490a3601a16cd145fe # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202303081345.OAmwqAh7-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): security/security.c:1083: warning: Function parameter or member 'mnt_opts' not described in 'security_free_mnt_opts' security/security.c:1083: warning: Excess function parameter 'mnt_ops' description in 'security_free_mnt_opts' security/security.c:1101: warning: Function parameter or member 'mnt_opts' not described in 'security_sb_eat_lsm_opts' security/security.c:1101: warning: Excess function parameter 'mnt_ops' description in 'security_sb_eat_lsm_opts' security/security.c:1269: warning: Function parameter or member 'oldsb' not described in 'security_sb_clone_mnt_opts' security/security.c:1269: warning: Function parameter or member 'newsb' not described in 'security_sb_clone_mnt_opts' security/security.c:1269: warning: Excess function parameter 'olddb' description in 'security_sb_clone_mnt_opts' security/security.c:1269: warning: Excess function parameter 'newdb' description in 'security_sb_clone_mnt_opts' security/security.c:1760: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * security_inode_symlink() Check if creating a symbolic link is allowed security/security.c:1976: warning: Function parameter or member 'size' not described in 'security_inode_setxattr' security/security.c:2533: warning: Function parameter or member 'prot' not described in 'security_file_mprotect' security/security.c:2533: warning: Excess function parameter 'prog' description in 'security_file_mprotect' >> security/security.c:3647: warning: expecting prototype for security_socket_create(). Prototype was for security_socket_post_create() instead security/security.c:3909: warning: Function parameter or member 'priority' not described in 'security_sk_alloc' security/security.c:3909: warning: Excess function parameter 'priotity' description in 'security_sk_alloc' security/security.c:3966: warning: Function parameter or member 'parent' not described in 'security_sock_graft' security/security.c:3966: warning: Excess function parameter 'sock' description in 'security_sock_graft' vim +3647 security/security.c 20510f2f4e2dabb James Morris 2007-10-16 3626 6b6bbe8c02a1bc7 Paul Moore 2023-02-12 3627 /** 6b6bbe8c02a1bc7 Paul Moore 2023-02-12 3628 * security_socket_create() - Initialize a newly created socket 6b6bbe8c02a1bc7 Paul Moore 2023-02-12 3629 * @sock: socket 6b6bbe8c02a1bc7 Paul Moore 2023-02-12 3630 * @family: protocol family 6b6bbe8c02a1bc7 Paul Moore 2023-02-12 3631 * @type: communications type 6b6bbe8c02a1bc7 Paul Moore 2023-02-12 3632 * @protocol: requested protocol 6b6bbe8c02a1bc7 Paul Moore 2023-02-12 3633 * @kern: set to 1 if a kernel socket is requested 6b6bbe8c02a1bc7 Paul Moore 2023-02-12 3634 * 6b6bbe8c02a1bc7 Paul Moore 2023-02-12 3635 * This hook allows a module to update or allocate a per-socket security 6b6bbe8c02a1bc7 Paul Moore 2023-02-12 3636 * structure. Note that the security field was not added directly to the socket 6b6bbe8c02a1bc7 Paul Moore 2023-02-12 3637 * structure, but rather, the socket security information is stored in the 6b6bbe8c02a1bc7 Paul Moore 2023-02-12 3638 * associated inode. Typically, the inode alloc_security hook will allocate 6b6bbe8c02a1bc7 Paul Moore 2023-02-12 3639 * and attach security information to SOCK_INODE(sock)->i_security. This hook 6b6bbe8c02a1bc7 Paul Moore 2023-02-12 3640 * may be used to update the SOCK_INODE(sock)->i_security field with additional 6b6bbe8c02a1bc7 Paul Moore 2023-02-12 3641 * information that wasn't available when the inode was allocated. 6b6bbe8c02a1bc7 Paul Moore 2023-02-12 3642 * 6b6bbe8c02a1bc7 Paul Moore 2023-02-12 3643 * Return: Returns 0 if permission is granted. 6b6bbe8c02a1bc7 Paul Moore 2023-02-12 3644 */ 20510f2f4e2dabb James Morris 2007-10-16 3645 int security_socket_post_create(struct socket *sock, int family, 20510f2f4e2dabb James Morris 2007-10-16 3646 int type, int protocol, int kern) 20510f2f4e2dabb James Morris 2007-10-16 @3647 { f25fce3e8f1f15d Casey Schaufler 2015-05-02 3648 return call_int_hook(socket_post_create, 0, sock, family, type, 20510f2f4e2dabb James Morris 2007-10-16 3649 protocol, kern); 20510f2f4e2dabb James Morris 2007-10-16 3650 } 20510f2f4e2dabb James Morris 2007-10-16 3651 :::::: The code at line 3647 was first introduced by commit :::::: 20510f2f4e2dabb0ff6c13901807627ec9452f98 security: Convert LSM into a static interface :::::: TO: James Morris <jmorris@xxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests