netlink: 48 bytes leftover after parsing attributes in process `syz-executor.0'.
BUG: looking up invalid subclass: 8
turning off the locking correctness validator.
CPU: 1 PID: 8521 Comm: syz-executor.2 Not tainted 4.14.184-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 look_up_lock_class kernel/locking/lockdep.c:673 [inline]
 register_lock_class+0x641/0x1320 kernel/locking/lockdep.c:756
 __lockdep_init_map+0x263/0x560 kernel/locking/lockdep.c:3277
 vlan_dev_set_lockdep_class net/8021q/vlan_dev.c:509 [inline]
 vlan_dev_init+0x78a/0xc00 net/8021q/vlan_dev.c:604
 register_netdevice+0x28d/0xca0 net/core/dev.c:7593
 register_vlan_dev+0x28d/0x6a0 net/8021q/vlan.c:168
 vlan_newlink+0x3b9/0x510 net/8021q/vlan_netlink.c:165
 rtnl_newlink+0xecb/0x1720 net/core/rtnetlink.c:2728
 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4315
 netlink_rcv_skb+0x127/0x370 net/netlink/af_netlink.c:2433
 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
 netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
 netlink_sendmsg+0x64a/0xbb0 net/netlink/af_netlink.c:1878
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45cba9
RSP: 002b:00007f9ca618cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000503800 RCX: 000000000045cba9
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000a6c R14: 00000000004cd48b R15: 00007f9ca618d6d4
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.1'.
L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details.
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'.
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=8669 comm=syz-executor.1
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.1'.
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=9118 comm=syz-executor.1
caif:caif_disconnect_client(): nothing to disconnect
caif:caif_disconnect_client(): nothing to disconnect
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=9212 comm=syz-executor.1
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2583 sclass=netlink_route_socket pid=9219 comm=syz-executor.1
netlink: 48 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 48 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 144 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 48 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 35 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 48 bytes leftover after parsing attributes in process `syz-executor.0'.
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
netlink: 48 bytes leftover after parsing attributes in process `syz-executor.0'.
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=50198 sclass=netlink_route_socket pid=9536 comm=syz-executor.1
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=50198 sclass=netlink_route_socket pid=9536 comm=syz-executor.1
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=59337 sclass=netlink_route_socket pid=9562 comm=syz-executor.0
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=9584 comm=syz-executor.1
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
nla_parse: 6 callbacks suppressed
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 48 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 48 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'.
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present
snd_dummy snd_dummy.0: control 0:0:0:syz0:0 is already present