================================================================== BUG: KCSAN: data-race in common_perm_cond / task_dump_owner read to 0xffff888125507acc of 4 bytes by task 18311 on cpu 0: common_perm_cond+0x65/0x110 security/apparmor/lsm.c:217 apparmor_inode_getattr+0x2b/0x40 security/apparmor/lsm.c:389 security_inode_getattr+0x9b/0xd0 security/security.c:1222 vfs_getattr+0x2e/0x70 fs/stat.c:115 vfs_statx+0x102/0x190 fs/stat.c:191 vfs_stat include/linux/fs.h:3242 [inline] __do_sys_newstat+0x51/0xb0 fs/stat.c:341 __se_sys_newstat fs/stat.c:337 [inline] __x64_sys_newstat+0x3a/0x50 fs/stat.c:337 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 write to 0xffff888125507acc of 4 bytes by task 18344 on cpu 1: task_dump_owner+0x237/0x260 fs/proc/base.c:1699 pid_update_inode+0x3c/0x70 fs/proc/base.c:1818 pid_revalidate+0x91/0xd0 fs/proc/base.c:1841 d_revalidate fs/namei.c:758 [inline] d_revalidate fs/namei.c:755 [inline] lookup_fast+0x6f2/0x700 fs/namei.c:1607 walk_component+0x6d/0xe70 fs/namei.c:1796 link_path_walk.part.0+0x5d3/0xa90 fs/namei.c:2131 link_path_walk fs/namei.c:2062 [inline] path_openat+0x14f/0x36e0 fs/namei.c:3524 do_filp_open+0x11e/0x1b0 fs/namei.c:3555 do_sys_open+0x3b3/0x4f0 fs/open.c:1097 __do_sys_open fs/open.c:1115 [inline] __se_sys_open fs/open.c:1110 [inline] __x64_sys_open+0x55/0x70 fs/open.c:1110 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 18344 Comm: ps Not tainted 5.4.0-rc7+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================