cgroup: Unknown subsys name 'net'
=====================================================
BUG: KMSAN: uninit-value in number+0x851/0x23d0 lib/vsprintf.c:490
 number+0x851/0x23d0 lib/vsprintf.c:490
 vsnprintf+0x1f0d/0x3650 lib/vsprintf.c:2871
 snprintf+0x24a/0x290 lib/vsprintf.c:2938
 tomoyo_print_header security/tomoyo/audit.c:165 [inline]
 tomoyo_init_log+0xd1f/0x3ad0 security/tomoyo/audit.c:255
 tomoyo_supervisor+0x8c0/0x27a0 security/tomoyo/common.c:2097
 tomoyo_audit_mount_log security/tomoyo/mount.c:32 [inline]
 tomoyo_mount_acl security/tomoyo/mount.c:166 [inline]
 tomoyo_mount_permission+0xc05/0x16f0 security/tomoyo/mount.c:237
 tomoyo_sb_mount+0xe9/0x100 security/tomoyo/tomoyo.c:392
 security_sb_mount+0x16b/0x270 security/security.c:963
 path_mount+0x266/0x28b0 fs/namespace.c:3260
 do_mount fs/namespace.c:3331 [inline]
 __do_sys_mount fs/namespace.c:3539 [inline]
 __se_sys_mount+0x8a8/0x9d0 fs/namespace.c:3516
 __x64_sys_mount+0x15d/0x1b0 fs/namespace.c:3516
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x54/0xd0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x44/0xae

Local variable name.i created at:
 cgroup_add_file kernel/cgroup/cgroup.c:3968 [inline]
 cgroup_addrm_files+0x794/0x1e40 kernel/cgroup/cgroup.c:4038
 css_populate_dir+0x1f4/0x7c0 kernel/cgroup/cgroup.c:1718

CPU: 1 PID: 3482 Comm: syz-executor Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
=====================================================