================================================================== BUG: KCSAN: data-race in tomoyo_check_path_acl / tomoyo_merge_path_acl read to 0xffff88811e45581a of 2 bytes by task 7905 on cpu 0: tomoyo_check_path_acl+0x2b/0xa0 security/tomoyo/file.c:258 tomoyo_check_acl+0xf6/0x270 security/tomoyo/domain.c:172 tomoyo_path_permission security/tomoyo/file.c:586 [inline] tomoyo_path_permission+0xe3/0x160 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:1044 do_unlinkat+0x2f1/0x530 fs/namei.c:4064 __do_sys_unlinkat fs/namei.c:4109 [inline] __se_sys_unlinkat fs/namei.c:4101 [inline] __x64_sys_unlinkat+0x8d/0xd0 fs/namei.c:4101 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 write to 0xffff88811e45581a of 2 bytes by task 21047 on cpu 1: tomoyo_merge_path_acl+0x6c/0xa0 security/tomoyo/file.c:372 tomoyo_update_domain+0x323/0x450 security/tomoyo/domain.c:129 tomoyo_update_path_acl security/tomoyo/file.c:398 [inline] tomoyo_write_file+0x34e/0x580 security/tomoyo/file.c:1022 tomoyo_write_domain2+0xad/0x120 security/tomoyo/common.c:1150 tomoyo_add_entry security/tomoyo/common.c:2040 [inline] tomoyo_supervisor+0xad7/0xd20 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_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:1497 do_dentry_open+0x211/0x970 fs/open.c:784 vfs_open+0x62/0x80 fs/open.c:914 do_last fs/namei.c:3420 [inline] path_openat+0xf9f/0x3580 fs/namei.c:3537 do_filp_open+0x11e/0x1b0 fs/namei.c:3567 do_sys_open+0x3b3/0x4f0 fs/open.c:1097 __do_sys_openat fs/open.c:1124 [inline] __se_sys_openat fs/open.c:1118 [inline] __x64_sys_openat+0x62/0x80 fs/open.c:1118 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 21047 Comm: syz-fuzzer Not tainted 5.5.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================