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BUG: KCSAN: data-race in tomoyo_supervisor / tomoyo_supervisor

write to 0xffffffff882c3678 of 8 bytes by task 4886 on cpu 1:
 tomoyo_update_stat security/tomoyo/common.c:2340 [inline]
 tomoyo_supervisor+0x176/0xb20 security/tomoyo/common.c:2079
 tomoyo_audit_path_number_log security/tomoyo/file.c:235 [inline]
 tomoyo_path_number_perm+0x227/0x2d0 security/tomoyo/file.c:734
 tomoyo_file_ioctl+0x1c/0x20 security/tomoyo/tomoyo.c:329
 security_file_ioctl+0x45/0x90 security/security.c:1481
 __do_sys_ioctl fs/ioctl.c:747 [inline]
 __se_sys_ioctl+0x48/0x140 fs/ioctl.c:739
 __x64_sys_ioctl+0x3f/0x50 fs/ioctl.c:739
 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

write to 0xffffffff882c3678 of 8 bytes by task 6399 on cpu 0:
 tomoyo_update_stat security/tomoyo/common.c:2340 [inline]
 tomoyo_supervisor+0x176/0xb20 security/tomoyo/common.c:2079
 tomoyo_audit_path_number_log security/tomoyo/file.c:235 [inline]
 tomoyo_path_number_perm+0x227/0x2d0 security/tomoyo/file.c:734
 tomoyo_path_mkdir+0x50/0x70 security/tomoyo/tomoyo.c:167
 security_path_mkdir+0x95/0xf0 security/security.c:1086
 do_mkdirat+0xf7/0x220 fs/namei.c:3670
 __do_sys_mkdir fs/namei.c:3688 [inline]
 __se_sys_mkdir fs/namei.c:3686 [inline]
 __x64_sys_mkdir+0x32/0x40 fs/namei.c:3686
 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 6399 Comm: syz-executor.3 Not tainted 5.9.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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