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BUG: KCSAN: data-race in tomoyo_supervisor / tomoyo_supervisor

write to 0xffffffff860bff28 of 8 bytes by task 7299 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_inode_getattr+0x26/0x40 security/tomoyo/tomoyo.c:129
 security_inode_getattr+0x9b/0xd0 security/security.c:1182
 vfs_getattr+0x2e/0x70 fs/stat.c:115
 vfs_statx_fd+0x7a/0xd0 fs/stat.c:145
 vfs_fstat include/linux/fs.h:3204 [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+0xcf/0x2f0 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

write to 0xffffffff860bff28 of 8 bytes by task 8522 on cpu 1:
 tomoyo_update_stat security/tomoyo/common.c:2341 [inline]
 tomoyo_supervisor+0x1ec/0xd20 security/tomoyo/common.c:2077
 tomoyo_audit_mount_log security/tomoyo/mount.c:32 [inline]
 tomoyo_mount_acl+0x3d3/0x590 security/tomoyo/mount.c:166
 tomoyo_mount_permission+0xef/0x350 security/tomoyo/mount.c:237
 tomoyo_sb_mount+0x3e/0x60 security/tomoyo/tomoyo.c:400
 security_sb_mount+0x81/0xc0 security/security.c:826
 do_mount+0x12b/0x1580 fs/namespace.c:3053
 ksys_mount+0xe8/0x160 fs/namespace.c:3320
 __do_sys_mount fs/namespace.c:3334 [inline]
 __se_sys_mount fs/namespace.c:3331 [inline]
 __x64_sys_mount+0x70/0x90 fs/namespace.c:3331
 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: 8522 Comm: syz-executor.1 Not tainted 5.3.0+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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