Warning: Permanently added '10.128.0.209' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 560.011086] IPVS: ftp: loaded support on port[0] = 21 [ 560.048699] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program [ 560.060411] hrtimer: interrupt took 31017 ns executing program executing program [ 560.088027] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. [ 560.116589] syz-executor270 (8124) used greatest stack depth: 23368 bytes left [ 560.128397] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program executing program [ 560.157932] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. [ 560.186887] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program executing program [ 560.216074] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. [ 560.246853] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program executing program [ 560.278617] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. [ 560.310889] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program executing program [ 560.342283] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 561.405407] BUG: looking up invalid subclass: 8 [ 561.410178] turning off the locking correctness validator. [ 561.415782] CPU: 1 PID: 8311 Comm: syz-executor270 Not tainted 4.19.202-syzkaller #0 [ 561.423644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 561.432976] Call Trace: [ 561.435545] dump_stack+0x1fc/0x2ef [ 561.439154] register_lock_class+0x3d8/0x11c0 [ 561.443627] ? memcpy+0x35/0x50 [ 561.446884] ? static_obj+0x50/0x50 [ 561.450492] ? dev_valid_name+0x220/0x220 [ 561.454633] ? dev_get_nest_level+0x11b/0x1b0 [ 561.459120] __lockdep_init_map+0x263/0x5a0 [ 561.463438] vlan_dev_init+0x780/0xc80 [ 561.467319] ? vlan_dev_hard_header+0x510/0x510 [ 561.471978] register_netdevice+0x2dc/0x10f0 [ 561.476363] ? unregister_netdev+0x20/0x20 [ 561.480573] ? dev_get_nest_level+0x11b/0x1b0 [ 561.485046] register_vlan_dev+0x2f1/0x7d0 [ 561.489263] vlan_newlink+0x477/0x6d0 [ 561.493040] ? vlan_changelink+0x4b0/0x4b0 [ 561.497254] rtnl_newlink+0x1030/0x15c0 [ 561.501206] ? rtnl_getlink+0x620/0x620 [ 561.505163] ? _raw_spin_unlock_irq+0x24/0x80 [ 561.509639] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 561.514200] ? __lock_acquire+0x6de/0x3ff0 [ 561.518414] ? get_reg+0x1f0/0x1f0 [ 561.521934] ? io_schedule_timeout+0x140/0x140 [ 561.526508] ? rcu_read_unlock_special+0x7ce/0xfc0 [ 561.531416] ? mark_held_locks+0xf0/0xf0 [ 561.535467] ? unwind_next_frame+0xeee/0x1400 [ 561.539936] ? __save_stack_trace+0x72/0x190 [ 561.544324] ? deref_stack_reg+0x134/0x1d0 [ 561.548534] ? get_reg+0x176/0x1f0 [ 561.552063] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 561.557924] ? deref_stack_reg+0x1d0/0x1d0 [ 561.562136] ? is_bpf_text_address+0xd5/0x1b0 [ 561.566698] ? __lock_acquire+0x6de/0x3ff0 [ 561.570914] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 561.575650] ? __lock_acquire+0x6de/0x3ff0 [ 561.579864] ? __lock_acquire+0x6de/0x3ff0 [ 561.584076] ? mark_held_locks+0xf0/0xf0 [ 561.588117] ? get_reg+0x1f0/0x1f0 [ 561.591636] ? unwind_next_frame+0xeee/0x1400 [ 561.596116] ? mutex_trylock+0x1a0/0x1a0 [ 561.600155] ? rtnetlink_rcv_msg+0x3c3/0xb80 [ 561.604544] ? rtnl_getlink+0x620/0x620 [ 561.608507] rtnetlink_rcv_msg+0x453/0xb80 [ 561.612745] ? rtnl_calcit.isra.0+0x430/0x430 [ 561.617219] ? rcu_nmi_exit+0xb3/0x180 [ 561.621083] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 561.625824] netlink_rcv_skb+0x160/0x440 [ 561.629874] ? rtnl_calcit.isra.0+0x430/0x430 [ 561.634347] ? netlink_ack+0xae0/0xae0 [ 561.638213] ? netlink_skb_set_owner_r+0x17a/0x1e0 [ 561.643120] netlink_unicast+0x4d5/0x690 [ 561.647157] ? netlink_sendskb+0x110/0x110 [ 561.651368] ? _copy_from_iter_full+0x229/0x7c0 [ 561.656014] ? __phys_addr_symbol+0x2c/0x70 [ 561.660313] ? __check_object_size+0x17b/0x3e0 [ 561.664872] netlink_sendmsg+0x6bb/0xc40 [ 561.668909] ? aa_af_perm+0x230/0x230 [ 561.672695] ? nlmsg_notify+0x1a0/0x1a0 [ 561.676648] ? kernel_recvmsg+0x220/0x220 [ 561.680774] ? nlmsg_notify+0x1a0/0x1a0 [ 561.684724] sock_sendmsg+0xc3/0x120 [ 561.688416] ___sys_sendmsg+0x7bb/0x8e0 [ 561.692459] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 561.697206] ? copy_msghdr_from_user+0x440/0x440 [ 561.701948] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 561.706524] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 561.711256] ? rcu_nmi_exit+0xb3/0x180 [ 561.715131] ? __might_fault+0x11f/0x1d0 [ 561.719169] ? lock_downgrade+0x720/0x720 [ 561.723292] ? lock_acquire+0x170/0x3c0 [ 561.727240] ? __might_fault+0xef/0x1d0 [ 561.731191] ? __might_fault+0x192/0x1d0 [ 561.735229] ? _copy_to_user+0xb8/0x100 [ 561.739180] ? move_addr_to_user+0x190/0x1d0 [ 561.743579] ? __fdget+0x1a0/0x230 [ 561.747098] __x64_sys_sendmsg+0x132/0x220 [ 561.751308] ? __sys_sendmsg+0x1b0/0x1b0 [ 561.755348] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 561.760689] ? trace_hardirqs_off_caller+0x6e/0x210 [ 561.765679] ? do_syscall_64+0x21/0x620 [ 561.769628] do_syscall_64+0xf9/0x620 [ 561.773406] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 561.778579] RIP: 0033:0x443c79 [ 561.781747] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c4 ff ff ff f7 d8 64 89 01 48 [ 561.800629] RSP: 002b:00007ffef5fb0378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 561.808312] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443c79 [ 561.815565] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 561.822816] RBP: 0000000000000000 R08: 00007ffef5fb03b0 R09: 00007ffef5fb03b0 [ 561.830334] R10: 00007ffef5fb03b0 R11: 0000000000000246 R12: 0000000000089118 [ 561.837624] R13: 00007ffef5fb03b0 R14: 00007ffef5fb03a0 R15: 00007ffef5fb0394 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 562.850822] syz-executor270 (8402) used greatest stack depth: 23288 bytes left executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 563.553245] syz-executor270 (8480) used greatest stack depth: 23032 bytes left executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 563.924109] syz-executor270 (8523) used greatest stack depth: 23016 bytes left executing program executing program executing program executing program executing program executing program executing program [ 564.174947] syz-executor270 (8550) used greatest stack depth: 23000 bytes left executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 565.080316] nla_parse: 137 callbacks suppressed [ 565.080333] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program [ 565.141321] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program [ 565.196783] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program [ 565.257292] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program [ 565.316864] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program [ 565.371615] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program [ 565.429941] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program executing program [ 565.470176] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. [ 565.506503] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program executing program [ 565.541819] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 566.078078] syz-executor270 (8719) used greatest stack depth: 22784 bytes left executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 570.158776] nla_parse: 123 callbacks suppressed [ 570.158793] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program [ 570.259313] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program [ 570.349519] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program [ 570.440480] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program [ 570.548025] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program [ 570.648002] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program [ 570.738957] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program [ 570.827836] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program executing program [ 570.928164] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program [ 570.990378] netlink: 12 bytes leftover after parsing attributes in process `syz-executor270'. executing program executing program executing program executing program executing program executing program executing program executing program