tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 2030579113a1b1b5bfd7ff24c0852847836d8fd1 commit: c4371d90633b73cf6e86aff43ff2b5d95ad2b9eb [10379/13906] apparmor: add io_uring mediation config: x86_64-randconfig-072-20231020 (https://download.01.org/0day-ci/archive/20231020/202310201911.QT2YAa39-lkp@xxxxxxxxx/config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231020/202310201911.QT2YAa39-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/202310201911.QT2YAa39-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> security/apparmor/lsm.c:651:5: warning: no previous declaration for 'apparmor_uring_override_creds' [-Wmissing-declarations] int apparmor_uring_override_creds(const struct cred *new) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> security/apparmor/lsm.c:675:5: warning: no previous declaration for 'apparmor_uring_sqpoll' [-Wmissing-declarations] int apparmor_uring_sqpoll(void) ^~~~~~~~~~~~~~~~~~~~~ vim +/apparmor_uring_override_creds +651 security/apparmor/lsm.c 643 644 /** 645 * apparmor_uring_override_creds - check the requested cred override 646 * @new: the target creds 647 * 648 * Check to see if the current task is allowed to override it's credentials 649 * to service an io_uring operation. 650 */ > 651 int apparmor_uring_override_creds(const struct cred *new) 652 { 653 struct aa_profile *profile; 654 struct aa_label *label; 655 int error; 656 DEFINE_AUDIT_DATA(ad, LSM_AUDIT_DATA_NONE, AA_CLASS_IO_URING, 657 OP_URING_OVERRIDE); 658 659 ad.uring.target = cred_label(new); 660 label = __begin_current_label_crit_section(); 661 error = fn_for_each(label, profile, 662 profile_uring(profile, AA_MAY_OVERRIDE_CRED, 663 cred_label(new), CAP_SYS_ADMIN, &ad)); 664 __end_current_label_crit_section(label); 665 666 return error; 667 } 668 669 /** 670 * apparmor_uring_sqpoll - check if a io_uring polling thread can be created 671 * 672 * Check to see if the current task is allowed to create a new io_uring 673 * kernel polling thread. 674 */ > 675 int apparmor_uring_sqpoll(void) 676 { 677 struct aa_profile *profile; 678 struct aa_label *label; 679 int error; 680 DEFINE_AUDIT_DATA(ad, LSM_AUDIT_DATA_NONE, AA_CLASS_IO_URING, 681 OP_URING_SQPOLL); 682 683 label = __begin_current_label_crit_section(); 684 error = fn_for_each(label, profile, 685 profile_uring(profile, AA_MAY_CREATE_SQPOLL, 686 NULL, CAP_SYS_ADMIN, &ad)); 687 __end_current_label_crit_section(label); 688 689 return error; 690 } 691 #endif /* CONFIG_IO_URING */ 692 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
