================================================================== BUG: KCSAN: data-race in tomoyo_supervisor / tomoyo_supervisor write to 0xffffffff863559e4 of 4 bytes by task 9718 on cpu 1: tomoyo_update_stat security/tomoyo/common.c:2340 [inline] tomoyo_supervisor+0x1c9/0xd20 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+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:4156 __do_sys_symlink fs/namei.c:4177 [inline] __se_sys_symlink fs/namei.c:4175 [inline] __x64_sys_symlink+0x3f/0x50 fs/namei.c:4175 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffffffff863559e4 of 4 bytes by task 8043 on cpu 0: tomoyo_update_stat security/tomoyo/common.c:2340 [inline] tomoyo_supervisor+0x1b0/0xd20 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_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_unlink fs/namei.c:4114 [inline] __se_sys_unlink fs/namei.c:4112 [inline] __x64_sys_unlink+0x3b/0x50 fs/namei.c:4112 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: 0 PID: 8043 Comm: syz-executor.4 Not tainted 5.5.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================