[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.200' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 29.181922] INFO: trying to register non-static key. [ 29.187140] the code is fine but needs lockdep annotation. [ 29.192791] turning off the locking correctness validator. [ 29.198396] CPU: 1 PID: 7974 Comm: syz-executor805 Not tainted 4.14.228-syzkaller #0 [ 29.206301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.215631] Call Trace: [ 29.218214] dump_stack+0x1b2/0x281 [ 29.221883] register_lock_class+0x32b/0x1320 [ 29.226376] ? __lock_acquire+0x5fc/0x3f20 [ 29.230583] ? static_obj+0x50/0x50 [ 29.234185] __lock_acquire+0x167/0x3f20 [ 29.238222] ? deref_stack_reg+0x124/0x1a0 [ 29.242448] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 29.248308] ? trace_hardirqs_on+0x10/0x10 [ 29.252624] ? trace_hardirqs_on+0x10/0x10 [ 29.256837] ? trace_hardirqs_on+0x10/0x10 [ 29.261107] ? unwind_next_frame+0xe54/0x17d0 [ 29.265587] ? __save_stack_trace+0x63/0x160 [ 29.269968] ? deref_stack_reg+0x124/0x1a0 [ 29.274225] ? is_bpf_text_address+0x91/0x150 [ 29.278695] ? lock_acquire+0x170/0x3f0 [ 29.282645] ? lock_downgrade+0x740/0x740 [ 29.286769] lock_acquire+0x170/0x3f0 [ 29.290546] ? ieee802154_get_llsec_params+0x3f/0x70 [ 29.295637] ? ieee802154_get_llsec_params+0x3f/0x70 [ 29.300718] __mutex_lock+0xc4/0x1310 [ 29.304498] ? ieee802154_get_llsec_params+0x3f/0x70 [ 29.309601] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 29.314681] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 29.319779] ? depot_save_stack+0x1d3/0x3f0 [ 29.324074] ? ieee802154_get_llsec_params+0x3f/0x70 [ 29.329154] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 29.334579] ? kasan_kmalloc+0x139/0x160 [ 29.338613] ? kasan_kmalloc+0xeb/0x160 [ 29.342561] ? __kmalloc_node_track_caller+0x4c/0x70 [ 29.347637] ? __alloc_skb+0x96/0x510 [ 29.351414] ? nl802154_get_interface+0x72/0x220 [ 29.356141] ? genl_family_rcv_msg+0x572/0xb20 [ 29.360700] ? genl_rcv_msg+0xaf/0x140 [ 29.364564] ? netlink_rcv_skb+0x125/0x390 [ 29.368770] ? genl_rcv+0x24/0x40 [ 29.372199] ? netlink_unicast+0x437/0x610 [ 29.376407] ? netlink_sendmsg+0x62e/0xb80 [ 29.380614] ? sock_sendmsg+0xb5/0x100 [ 29.384480] ? ___sys_sendmsg+0x6c8/0x800 [ 29.388620] ? __sys_sendmsg+0xa3/0x120 [ 29.392567] ? SyS_sendmsg+0x27/0x40 [ 29.396378] ? do_syscall_64+0x1d5/0x640 [ 29.400414] ieee802154_get_llsec_params+0x3f/0x70 [ 29.405329] nl802154_get_llsec_params+0xb8/0x310 [ 29.410148] ? ieee802154_llsec_send_key_id+0x650/0x650 [ 29.415486] ? __mutex_lock+0x360/0x1310 [ 29.419521] ? skb_put+0x124/0x170 [ 29.423040] ? memset+0x20/0x40 [ 29.426294] ? __nla_reserve+0x9a/0xc0 [ 29.430154] ? memcpy+0x35/0x50 [ 29.433410] nl802154_send_iface+0x73b/0x8d0 [ 29.437795] ? __kmalloc_node_track_caller+0x38/0x70 [ 29.442877] ? nl802154_wpan_phy_netns+0x230/0x230 [ 29.447798] ? __alloc_skb+0x3dc/0x510 [ 29.451662] nl802154_get_interface+0xeb/0x220 [ 29.456220] genl_family_rcv_msg+0x572/0xb20 [ 29.460603] ? genl_rcv+0x40/0x40 [ 29.464031] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 29.469545] ? trace_hardirqs_on+0x10/0x10 [ 29.473768] ? sock_sendmsg+0xb5/0x100 [ 29.477631] genl_rcv_msg+0xaf/0x140 [ 29.481322] netlink_rcv_skb+0x125/0x390 [ 29.485355] ? genl_family_rcv_msg+0xb20/0xb20 [ 29.489911] ? netlink_ack+0x9a0/0x9a0 [ 29.493790] ? lock_acquire+0x170/0x3f0 [ 29.497736] genl_rcv+0x24/0x40 [ 29.501007] netlink_unicast+0x437/0x610 [ 29.505043] ? netlink_sendskb+0xd0/0xd0 [ 29.509093] ? __check_object_size+0x179/0x230 [ 29.513650] netlink_sendmsg+0x62e/0xb80 [ 29.517687] ? nlmsg_notify+0x170/0x170 [ 29.521634] ? kernel_recvmsg+0x210/0x210 [ 29.525756] ? security_socket_sendmsg+0x83/0xb0 [ 29.530490] ? nlmsg_notify+0x170/0x170 [ 29.534444] sock_sendmsg+0xb5/0x100 [ 29.538131] ___sys_sendmsg+0x6c8/0x800 [ 29.542082] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 29.546810] ? dev_ioctl+0xe7/0xbe0 [ 29.550413] ? dev_ifsioc+0x7d0/0x7d0 [ 29.554190] ? apparmor_file_alloc_security+0x129/0x800 [ 29.559527] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 29.564949] ? __lockdep_init_map+0x100/0x560 [ 29.569418] ? lock_acquire+0x170/0x3f0 [ 29.573367] ? sock_ioctl+0x16c/0x4c0 [ 29.577143] ? sock_release+0x1e0/0x1e0 [ 29.581097] ? __fdget+0x167/0x1f0 [ 29.584612] ? sockfd_lookup_light+0xb2/0x160 [ 29.589084] __sys_sendmsg+0xa3/0x120 [ 29.592859] ? SyS_shutdown+0x160/0x160 [ 29.596805] ? security_file_ioctl+0x83/0xb0 [ 29.601188] SyS_sendmsg+0x27/0x40 [ 29.604703] ? __sys_sendmsg+0x120/0x120 [ 29.608738] do_syscall_64+0x1d5/0x640 [ 29.612603] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.617767] RIP: 0033:0x440899 [ 29.620932] RSP: 002b:00007ffd2b781a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e executing program executing program [ 29.628616] RAX: ffffffffffffffda RBX: 00000000000071ba RCX: 0000000000440899 [ 29.635859] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 29.643128] RBP: 0000000000000000 R08: 00007ffd2b781c08 R09: 00007ffd2b781c08 [ 29.650373] R10: 00007ffd2b781c08 R11: 0000000000000246 R12: 00007ffd2b781a7c [ 29.657619] R13: 431bde82d7b634db R14: 00000000004ae018 R15: 00000000004004a0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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