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BUG: KCSAN: data-race in tomoyo_supervisor / tomoyo_supervisor

write to 0xffffffff86146f00 of 8 bytes by task 7381 on cpu 1:
 tomoyo_update_stat security/tomoyo/common.c:2341 [inline]
 tomoyo_add_entry security/tomoyo/common.c:2042 [inline]
 tomoyo_supervisor+0xced/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+0x2c6/0x390 security/tomoyo/file.c:838
 tomoyo_path_symlink+0x69/0xa0 security/tomoyo/tomoyo.c:206
 security_path_symlink+0xab/0xe0 security/security.c:1053
 do_symlinkat+0xcd/0x1e0 fs/namei.c:4144
 __do_sys_symlink fs/namei.c:4165 [inline]
 __se_sys_symlink fs/namei.c:4163 [inline]
 __x64_sys_symlink+0x3f/0x50 fs/namei.c:4163
 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

write to 0xffffffff86146f00 of 8 bytes by task 7380 on cpu 0:
 tomoyo_update_stat security/tomoyo/common.c:2341 [inline]
 tomoyo_add_entry security/tomoyo/common.c:2042 [inline]
 tomoyo_supervisor+0xced/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+0x2c6/0x390 security/tomoyo/file.c:838
 tomoyo_path_symlink+0x69/0xa0 security/tomoyo/tomoyo.c:206
 security_path_symlink+0xab/0xe0 security/security.c:1053
 do_symlinkat+0xcd/0x1e0 fs/namei.c:4144
 __do_sys_symlink fs/namei.c:4165 [inline]
 __se_sys_symlink fs/namei.c:4163 [inline]
 __x64_sys_symlink+0x3f/0x50 fs/namei.c:4163
 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: 0 PID: 7380 Comm: syz-executor.3 Not tainted 5.4.0-rc3+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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