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BUG: KCSAN: data-race in tomoyo_supervisor / tomoyo_supervisor

write to 0xffffffff860bff28 of 8 bytes by task 7442 on cpu 0:
 tomoyo_update_stat security/tomoyo/common.c:2341 [inline]
 tomoyo_supervisor+0x1ec/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_path_unlink+0x63/0x90 security/tomoyo/tomoyo.c:156
 security_path_unlink+0xa3/0xd0 security/security.c:1004
 do_unlinkat+0x2f1/0x530 fs/namei.c:4060
 __do_sys_unlink fs/namei.c:4110 [inline]
 __se_sys_unlink fs/namei.c:4108 [inline]
 __x64_sys_unlink+0x3b/0x50 fs/namei.c:4108
 do_syscall_64+0xcf/0x2f0 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

write to 0xffffffff860bff28 of 8 bytes by task 7465 on cpu 1:
 tomoyo_update_stat security/tomoyo/common.c:2341 [inline]
 tomoyo_supervisor+0x1ec/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:1457
 do_dentry_open+0x20a/0x900 fs/open.c:784
 vfs_open+0x62/0x80 fs/open.c:906
 do_last fs/namei.c:3416 [inline]
 path_openat+0xf75/0x3530 fs/namei.c:3533
 do_filp_open+0x11e/0x1b0 fs/namei.c:3563
 do_sys_open+0x3b3/0x4f0 fs/open.c:1089
 __do_sys_open fs/open.c:1107 [inline]
 __se_sys_open fs/open.c:1102 [inline]
 __x64_sys_open+0x55/0x70 fs/open.c:1102
 do_syscall_64+0xcf/0x2f0 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 7465 Comm: udevd Not tainted 5.3.0+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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