[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.119' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 30.360094] kasan: CONFIG_KASAN_INLINE enabled [ 30.364739] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 30.373928] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 30.380244] Modules linked in: [ 30.384300] CPU: 1 PID: 7980 Comm: syz-executor489 Not tainted 4.14.230-syzkaller #0 [ 30.392327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.402095] task: ffff88809a8fa100 task.stack: ffff8880967e8000 [ 30.408134] RIP: 0010:ieee802154_llsec_parse_dev_addr+0x1dc/0x320 [ 30.414343] RSP: 0018:ffff8880967ef548 EFLAGS: 00010247 [ 30.419693] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 30.426937] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 30.434195] RBP: ffff8880967ef708 R08: 0000000000000001 R09: ffff8880967ef578 [ 30.441442] R10: ffff8880967ef5a7 R11: ffff88809a8fa100 R12: 1ffff11012cfdea9 [ 30.448699] R13: 0000000000000000 R14: ffff8880b4cb49a8 R15: ffff8880b4cb49c0 [ 30.455965] FS: 000000000080a300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 30.464166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.470060] CR2: 00007f1118cfa000 CR3: 00000000ab232000 CR4: 00000000001406e0 [ 30.477307] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.484566] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.491824] Call Trace: [ 30.494409] ? wpan_phy_sysfs_exit+0x20/0x20 [ 30.498792] ? validate_nla+0x192/0x5e0 [ 30.502756] ? nla_parse+0x157/0x1f0 [ 30.506446] ieee802154_llsec_parse_key_id+0x2f4/0x3a0 [ 30.511712] ? ieee802154_llsec_parse_dev_addr+0x320/0x320 [ 30.517312] nl802154_set_llsec_params+0x1bb/0x420 [ 30.522234] ? ieee802154_llsec_parse_key_id+0x3a0/0x3a0 [ 30.527673] ? nl802154_pre_doit+0xb2/0xb20 [ 30.531972] ? nl802154_dump_wpan_phy_done+0x40/0x40 [ 30.537048] ? nla_parse+0x157/0x1f0 [ 30.540739] genl_family_rcv_msg+0x572/0xb20 [ 30.545146] ? genl_rcv+0x40/0x40 [ 30.548576] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 30.554005] ? trace_hardirqs_on+0x10/0x10 [ 30.558227] ? sock_sendmsg+0xb5/0x100 [ 30.562090] genl_rcv_msg+0xaf/0x140 [ 30.565781] netlink_rcv_skb+0x125/0x390 [ 30.569818] ? genl_family_rcv_msg+0xb20/0xb20 [ 30.574376] ? netlink_ack+0x9a0/0x9a0 [ 30.578240] ? lock_acquire+0x170/0x3f0 [ 30.582192] genl_rcv+0x24/0x40 [ 30.585460] netlink_unicast+0x437/0x610 [ 30.589497] ? netlink_sendskb+0xd0/0xd0 [ 30.593550] ? __check_object_size+0x179/0x230 [ 30.598108] netlink_sendmsg+0x62e/0xb80 [ 30.602146] ? nlmsg_notify+0x170/0x170 [ 30.606098] ? kernel_recvmsg+0x210/0x210 [ 30.610225] ? security_socket_sendmsg+0x83/0xb0 [ 30.614956] ? nlmsg_notify+0x170/0x170 [ 30.618905] sock_sendmsg+0xb5/0x100 [ 30.622594] ___sys_sendmsg+0x6c8/0x800 [ 30.626549] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 30.631289] ? __lock_acquire+0x5fc/0x3f20 [ 30.635534] ? __dentry_kill+0x3f7/0x550 [ 30.639589] ? trace_hardirqs_on+0x10/0x10 [ 30.643832] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 30.649268] ? dentry_free+0xc6/0x120 [ 30.653052] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 30.658054] ? kmem_cache_free+0x23a/0x2b0 [ 30.662288] ? mntput_no_expire+0xc7/0x910 [ 30.666505] ? lock_acquire+0x170/0x3f0 [ 30.670460] ? __fdget+0x167/0x1f0 [ 30.673993] ? sockfd_lookup_light+0xb2/0x160 [ 30.678470] __sys_sendmsg+0xa3/0x120 [ 30.682270] ? SyS_shutdown+0x160/0x160 [ 30.686228] SyS_sendmsg+0x27/0x40 [ 30.689751] ? __sys_sendmsg+0x120/0x120 [ 30.693792] do_syscall_64+0x1d5/0x640 [ 30.697664] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.702861] RIP: 0033:0x43fe09 [ 30.706030] RSP: 002b:00007ffde95553f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 30.713721] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043fe09 [ 30.721057] RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000003 [ 30.728303] RBP: 0000000000403870 R08: 0000000000000001 R09: 00000000004004a0 [ 30.735549] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000403900 [ 30.742800] R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0 [ 30.750051] Code: 00 0f 84 a3 00 00 00 80 fb 03 75 63 e8 7e 50 7a fa 48 8b 5c 24 50 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 04 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 19 01 00 00 48 8d 7d 08 48 8b 5b 04 48 b8 00 [ 30.769147] RIP: ieee802154_llsec_parse_dev_addr+0x1dc/0x320 RSP: ffff8880967ef548 [ 30.778016] ---[ end trace def19a90eebe8d43 ]--- [ 30.782823] Kernel panic - not syncing: Fatal exception [ 30.788651] Kernel Offset: disabled [ 30.792326] Rebooting in 86400 seconds..