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BUG: KCSAN: data-race in tomoyo_supervisor / tomoyo_supervisor

write to 0xffffffff860bff40 of 4 bytes by task 7254 on cpu 0:
 tomoyo_update_stat security/tomoyo/common.c:2340 [inline]
 tomoyo_add_entry security/tomoyo/common.c:2042 [inline]
 tomoyo_supervisor+0xcd3/0xd20 security/tomoyo/common.c:2101
 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+0x352/0x390 security/tomoyo/file.c:838
 tomoyo_path_rmdir+0x63/0x90 security/tomoyo/tomoyo.c:189
 security_path_rmdir+0xa3/0xd0 security/security.c:997
 do_rmdir+0x227/0x300 fs/namei.c:3937
 __do_sys_rmdir fs/namei.c:3958 [inline]
 __se_sys_rmdir fs/namei.c:3956 [inline]
 __x64_sys_rmdir+0x2f/0x40 fs/namei.c:3956
 do_syscall_64+0xcf/0x2f0 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

read to 0xffffffff860bff40 of 4 bytes by task 7266 on cpu 1:
 tomoyo_update_stat security/tomoyo/common.c:2340 [inline]
 tomoyo_add_entry security/tomoyo/common.c:2042 [inline]
 tomoyo_supervisor+0xcbe/0xd20 security/tomoyo/common.c:2101
 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+0x352/0x390 security/tomoyo/file.c:838
 tomoyo_path_rmdir+0x63/0x90 security/tomoyo/tomoyo.c:189
 security_path_rmdir+0xa3/0xd0 security/security.c:997
 do_rmdir+0x227/0x300 fs/namei.c:3937
 __do_sys_rmdir fs/namei.c:3958 [inline]
 __se_sys_rmdir fs/namei.c:3956 [inline]
 __x64_sys_rmdir+0x2f/0x40 fs/namei.c:3956
 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: 7266 Comm: syz-executor.4 Not tainted 5.3.0+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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