Warning: Permanently added '10.128.1.47' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.140637] IPVS: ftp: loaded support on port[0] = 21 executing program [ 36.177139] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. [ 36.212821] hrtimer: interrupt took 28357 ns executing program [ 36.228255] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. executing program executing program [ 36.269555] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. [ 36.308314] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. executing program [ 36.347770] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. [ 36.385183] syz-executor559 (8139) used greatest stack depth: 23640 bytes left executing program [ 36.395414] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. executing program [ 36.438991] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. [ 36.478116] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. executing program executing program [ 36.514869] syz-executor559 (8148) used greatest stack depth: 23216 bytes left [ 36.525302] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. executing program [ 36.565582] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. 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 [ 38.151373] BUG: looking up invalid subclass: 8 [ 38.156040] turning off the locking correctness validator. [ 38.161703] CPU: 0 PID: 8318 Comm: syz-executor559 Not tainted 4.19.208-syzkaller #0 [ 38.169573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.178915] Call Trace: [ 38.181539] dump_stack+0x1fc/0x2ef [ 38.185154] register_lock_class+0x3d8/0x11c0 [ 38.189728] ? memcpy+0x35/0x50 [ 38.192991] ? static_obj+0x50/0x50 [ 38.196728] ? dev_valid_name+0x220/0x220 [ 38.200874] __lockdep_init_map+0x263/0x5a0 [ 38.205184] vlan_dev_init+0x780/0xc80 [ 38.209054] ? vlan_dev_hard_header+0x510/0x510 [ 38.213766] register_netdevice+0x2dc/0x10f0 [ 38.218254] ? unregister_netdev+0x20/0x20 [ 38.222472] ? dev_get_nest_level+0x11b/0x1b0 [ 38.226954] register_vlan_dev+0x2f1/0x7d0 [ 38.231175] vlan_newlink+0x477/0x6d0 [ 38.234969] ? vlan_changelink+0x4b0/0x4b0 [ 38.239376] rtnl_newlink+0x1030/0x15c0 [ 38.243335] ? rtnl_getlink+0x620/0x620 [ 38.247302] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 38.251866] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 38.256603] ? __lock_acquire+0x6de/0x3ff0 [ 38.260834] ? retint_kernel+0x2d/0x2d [ 38.264702] ? netlink_sendmsg+0x6bb/0xc40 [ 38.268916] ? mark_held_locks+0xf0/0xf0 [ 38.272966] ? deref_stack_reg+0x16d/0x1d0 [ 38.277182] ? deref_stack_reg+0x134/0x1d0 [ 38.281391] ? get_reg+0x176/0x1f0 [ 38.284938] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 38.290818] ? deref_stack_reg+0x1d0/0x1d0 [ 38.295034] ? is_bpf_text_address+0xd5/0x1b0 [ 38.299549] ? __lock_acquire+0x6de/0x3ff0 [ 38.303784] ? __lock_acquire+0x6de/0x3ff0 [ 38.308039] ? __lock_acquire+0x6de/0x3ff0 [ 38.312269] ? __lock_acquire+0x6de/0x3ff0 [ 38.316501] ? mark_held_locks+0xf0/0xf0 [ 38.320544] ? mark_held_locks+0xa6/0xf0 [ 38.324786] ? mutex_trylock+0x1a0/0x1a0 [ 38.328835] ? rtnetlink_rcv_msg+0x3c3/0xb80 [ 38.333225] ? rtnl_getlink+0x620/0x620 [ 38.337192] rtnetlink_rcv_msg+0x453/0xb80 [ 38.341407] ? rtnl_calcit.isra.0+0x430/0x430 [ 38.345885] ? retint_kernel+0x2d/0x2d [ 38.349757] ? netlink_rcv_skb+0x13e/0x440 [ 38.353971] netlink_rcv_skb+0x160/0x440 [ 38.358012] ? rtnl_calcit.isra.0+0x430/0x430 [ 38.362486] ? netlink_ack+0xae0/0xae0 [ 38.366388] netlink_unicast+0x4d5/0x690 [ 38.370427] ? netlink_sendskb+0x110/0x110 [ 38.374727] ? netlink_sendmsg+0x638/0xc40 [ 38.378940] ? netlink_sendmsg+0x646/0xc40 [ 38.383153] netlink_sendmsg+0x6bb/0xc40 [ 38.387202] ? aa_af_perm+0x230/0x230 [ 38.390991] ? nlmsg_notify+0x1f0/0x1f0 [ 38.394945] ? kernel_recvmsg+0x220/0x220 [ 38.399071] ? nlmsg_notify+0x1f0/0x1f0 [ 38.403024] sock_sendmsg+0xc3/0x120 [ 38.406715] ___sys_sendmsg+0x7bb/0x8e0 [ 38.410674] ? copy_msghdr_from_user+0x440/0x440 [ 38.415603] ? __se_sys_perf_event_open+0x1045/0x2720 [ 38.420865] ? lock_downgrade+0x720/0x720 [ 38.424992] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 38.429727] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 38.434285] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 38.439288] ? rcu_nmi_exit+0xb3/0x180 [ 38.443154] ? retint_kernel+0x2d/0x2d [ 38.447020] ? __fdget+0xe2/0x230 [ 38.450452] ? __fdget+0xe2/0x230 [ 38.453881] ? __fdget+0x1a0/0x230 [ 38.457398] __x64_sys_sendmsg+0x132/0x220 [ 38.462827] ? __sys_sendmsg+0x1b0/0x1b0 [ 38.466879] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 38.472220] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.477212] ? do_syscall_64+0x21/0x620 [ 38.481172] do_syscall_64+0xf9/0x620 [ 38.484953] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.490117] RIP: 0033:0x7f11402c9489 [ 38.493809] 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 c0 ff ff ff f7 d8 64 89 01 48 [ 38.512685] RSP: 002b:00007ffc800d49f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 38.520381] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f11402c9489 [ 38.527638] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 38.534898] RBP: 0000000000000000 R08: 0000000040336e40 R09: 0000000040336e40 [ 38.542145] R10: 0000000040336e40 R11: 0000000000000246 R12: 00000000000094dd [ 38.549391] R13: 00007ffc800d4a20 R14: 00007ffc800d4a10 R15: 00007ffc800d4a04 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 [ 39.624894] syz-executor559 (8465) used greatest stack depth: 23128 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 [ 41.057986] syz-executor559 (8681) used greatest stack depth: 23080 bytes left executing program executing program executing program executing program executing program executing program [ 41.191418] nla_parse: 157 callbacks suppressed [ 41.191433] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. [ 41.223349] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. executing program executing program [ 41.248882] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. [ 41.274539] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. executing program executing program [ 41.310766] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. [ 41.335709] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. executing program executing program [ 41.364819] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. [ 41.393126] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. executing program executing program executing program [ 41.418568] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. [ 41.446626] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. 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 [ 42.291511] syz-executor559 (8845) 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 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 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 [ 45.881243] syz-executor559 (9337) used greatest stack depth: 22744 bytes left executing program executing program executing program executing program executing program [ 46.213560] nla_parse: 181 callbacks suppressed [ 46.213573] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. executing program [ 46.292897] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. executing program executing program executing program [ 46.362613] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. [ 46.401127] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. executing program executing program [ 46.440106] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. [ 46.479657] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. executing program [ 46.519572] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. executing program [ 46.560314] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. [ 46.600471] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. executing program executing program [ 46.648482] netlink: 12 bytes leftover after parsing attributes in process `syz-executor559'. 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