================================================================== BUG: KCSAN: data-race in tomoyo_supervisor / tomoyo_supervisor read to 0xffffffff863539a4 of 4 bytes by task 3991 on cpu 1: tomoyo_update_stat security/tomoyo/common.c:2340 [inline] tomoyo_supervisor+0x1b0/0xd20 security/tomoyo/common.c:2077 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline] tomoyo_path_permission security/tomoyo/file.c:587 [inline] tomoyo_path_permission+0x121/0x160 security/tomoyo/file.c:573 tomoyo_check_open_permission+0x2fd/0x320 security/tomoyo/file.c:777 tomoyo_file_open security/tomoyo/tomoyo.c:319 [inline] tomoyo_file_open+0x75/0x90 security/tomoyo/tomoyo.c:314 security_file_open+0x69/0x210 security/security.c:1497 do_dentry_open+0x211/0x970 fs/open.c:784 vfs_open+0x62/0x80 fs/open.c:914 do_last fs/namei.c:3420 [inline] path_openat+0xf9f/0x3580 fs/namei.c:3537 do_filp_open+0x11e/0x1b0 fs/namei.c:3567 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/0x3a0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 write to 0xffffffff863539a4 of 4 bytes by task 7929 on cpu 0: tomoyo_update_stat security/tomoyo/common.c:2340 [inline] tomoyo_supervisor+0x1c9/0xd20 security/tomoyo/common.c:2077 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline] tomoyo_path_permission security/tomoyo/file.c:587 [inline] tomoyo_path_permission+0x121/0x160 security/tomoyo/file.c:573 tomoyo_path_perm+0x23e/0x390 security/tomoyo/file.c:838 tomoyo_inode_getattr+0x26/0x40 security/tomoyo/tomoyo.c:129 security_inode_getattr+0x9b/0xd0 security/security.c:1222 vfs_getattr+0x2e/0x70 fs/stat.c:115 vfs_statx_fd+0x7a/0xd0 fs/stat.c:145 vfs_fstat include/linux/fs.h:3265 [inline] __do_sys_newfstat+0x49/0xa0 fs/stat.c:378 __se_sys_newfstat fs/stat.c:375 [inline] __x64_sys_newfstat+0x3a/0x50 fs/stat.c:375 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 7929 Comm: udevd Not tainted 5.5.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================