================================================================== BUG: KCSAN: data-race in tomoyo_domain_quota_is_ok / tomoyo_merge_path_acl write to 0xffff8881026af45a of 2 bytes by task 8446 on cpu 0: tomoyo_merge_path_acl+0x4c/0x70 security/tomoyo/file.c:372 tomoyo_update_domain+0x337/0x3a0 security/tomoyo/domain.c:131 tomoyo_update_path_acl security/tomoyo/file.c:398 [inline] tomoyo_write_file+0x210/0x910 security/tomoyo/file.c:1022 tomoyo_write_domain2 security/tomoyo/common.c:1152 [inline] tomoyo_add_entry security/tomoyo/common.c:2042 [inline] tomoyo_supervisor+0xaad/0xb20 security/tomoyo/common.c:2103 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline] tomoyo_path_permission security/tomoyo/file.c:587 [inline] tomoyo_check_open_permission+0x2d0/0x370 security/tomoyo/file.c:780 tomoyo_file_open+0xd3/0xf0 security/tomoyo/tomoyo.c:313 security_file_open+0x3f/0x90 security/security.c:1576 do_dentry_open+0x22d/0x870 fs/open.c:804 vfs_open+0x43/0x50 fs/open.c:931 do_open fs/namei.c:3254 [inline] path_openat+0x1844/0x20a0 fs/namei.c:3371 do_filp_open+0xbd/0x1d0 fs/namei.c:3398 do_sys_openat2+0xa3/0x240 fs/open.c:1172 do_sys_open fs/open.c:1188 [inline] __do_sys_openat fs/open.c:1204 [inline] __se_sys_openat fs/open.c:1199 [inline] __x64_sys_openat+0xef/0x110 fs/open.c:1199 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff8881026af45a of 2 bytes by task 8456 on cpu 1: tomoyo_domain_quota_is_ok+0xd7/0x2d0 security/tomoyo/util.c:1064 tomoyo_supervisor+0x1f4/0xb20 security/tomoyo/common.c:2089 tomoyo_audit_path_number_log security/tomoyo/file.c:235 [inline] tomoyo_path_number_perm+0x227/0x2d0 security/tomoyo/file.c:734 tomoyo_path_chmod+0x23/0x30 security/tomoyo/tomoyo.c:342 security_path_chmod+0x92/0xe0 security/security.c:1153 chmod_common+0xe6/0x280 fs/open.c:578 do_fchmodat fs/open.c:621 [inline] __do_sys_fchmodat fs/open.c:634 [inline] __se_sys_fchmodat fs/open.c:631 [inline] __x64_sys_fchmodat+0x9b/0x120 fs/open.c:631 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 8456 Comm: syz-fuzzer Not tainted 5.11.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================