[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
Starting Load/Save RF Kill Switch Status...
[[0;32m OK [0m] Started Load/Save RF Kill Switch Status.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.51' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 33.584303] kasan: CONFIG_KASAN_INLINE enabled
[ 33.591101] kasan: GPF could be caused by NULL-ptr deref or user memory access
[ 33.601460] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[ 33.608315] Modules linked in:
[ 33.612006] CPU: 0 PID: 7961 Comm: syz-executor023 Not tainted 4.14.218-syzkaller #0
[ 33.622218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 33.632940] task: ffff8880980a2440 task.stack: ffff8880a6230000
[ 33.640972] RIP: 0010:nl802154_del_llsec_dev+0x13b/0x2e0
[ 33.647215] RSP: 0018:ffff8880a62376e0 EFLAGS: 00010246
[ 33.653669] RAX: dffffc0000000000 RBX: ffff8880b29807c0 RCX: 0000000000000000
[ 33.662209] RDX: 0000000000000000 RSI: ffff8880a6237850 RDI: ffff8880b29808d8
[ 33.670504] RBP: 1ffff11014c46ede R08: 0000000000000001 R09: ffff8880a6237990
[ 33.680331] R10: ffff8880a62376af R11: ffff8880980a2440 R12: ffff8882382f62c0
[ 33.688626] R13: ffff8880ab8b9010 R14: ffffffff886f1d00 R15: ffff8880aba5f040
[ 33.697305] FS: 000000000208e300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
[ 33.707171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 33.714387] CR2: 0000000020000408 CR3: 00000000b51ac000 CR4: 00000000001406f0
[ 33.722541] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 33.730988] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 33.739012] Call Trace:
[ 33.741999] ? nl802154_del_llsec_key+0x2f0/0x2f0
[ 33.747430] ? validate_nla+0x192/0x5e0
[ 33.752180] ? nl802154_dump_wpan_phy_done+0x40/0x40
[ 33.758307] ? nla_parse+0x157/0x1f0
[ 33.762731] ? nl802154_dump_wpan_phy_done+0x40/0x40
[ 33.768498] genl_family_rcv_msg+0x572/0xb20
[ 33.773431] ? genl_rcv+0x40/0x40
[ 33.777649] ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 33.783453] ? trace_hardirqs_on+0x10/0x10
[ 33.788439] ? sock_sendmsg+0xb5/0x100
[ 33.792507] genl_rcv_msg+0xaf/0x140
[ 33.796969] netlink_rcv_skb+0x125/0x390
[ 33.801645] ? genl_family_rcv_msg+0xb20/0xb20
[ 33.807124] ? netlink_ack+0x9a0/0x9a0
[ 33.812385] ? lock_acquire+0x170/0x3f0
[ 33.818469] genl_rcv+0x24/0x40
[ 33.822031] netlink_unicast+0x437/0x610
[ 33.826400] ? netlink_sendskb+0xd0/0xd0
[ 33.831058] ? __check_object_size+0x179/0x230
[ 33.836849] netlink_sendmsg+0x62e/0xb80
[ 33.842213] ? nlmsg_notify+0x170/0x170
[ 33.847379] ? kernel_recvmsg+0x210/0x210
[ 33.852040] ? security_socket_sendmsg+0x83/0xb0
[ 33.857553] ? nlmsg_notify+0x170/0x170
[ 33.861951] sock_sendmsg+0xb5/0x100
[ 33.866024] ___sys_sendmsg+0x6c8/0x800
[ 33.870381] ? copy_msghdr_from_user+0x3b0/0x3b0
[ 33.875579] ? trace_hardirqs_on+0x10/0x10
[ 33.881550] ? trace_hardirqs_on+0x10/0x10
[ 33.886653] ? apparmor_file_alloc_security+0x129/0x800
[ 33.892677] ? rcu_lockdep_current_cpu_online+0xed/0x140
[ 33.898780] ? __lockdep_init_map+0x100/0x560
[ 33.903924] ? __fd_install+0x1ec/0x5c0
[ 33.908750] ? lock_acquire+0x170/0x3f0
[ 33.913528] ? lock_downgrade+0x740/0x740
[ 33.919032] ? __fdget+0x167/0x1f0
[ 33.923089] ? sockfd_lookup_light+0xb2/0x160
[ 33.927865] __sys_sendmsg+0xa3/0x120
[ 33.932102] ? SyS_shutdown+0x160/0x160
[ 33.937489] ? move_addr_to_kernel+0x60/0x60
[ 33.942333] SyS_sendmsg+0x27/0x40
[ 33.946436] ? __sys_sendmsg+0x120/0x120
[ 33.951539] do_syscall_64+0x1d5/0x640
[ 33.956007] entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 33.962186] RIP: 0033:0x43f959
[ 33.965599] RSP: 002b:00007ffcfe40d3a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 33.974649] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043f959
[ 33.983091] RDX: 0000000000008804 RSI: 0000000020000a00 RDI: 0000000000000006
[ 33.991685] RBP: 00000000004033c0 R08: 00000000004004a0 R09: 00000000004004a0
[ 33.999624] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000403450
[ 34.008276] R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0
[ 34.016692] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 96 01 00 00 48 8b 93 18 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 d1 48 c1 e9 03 <0f> b6 0c 01 48 89 d0 83 e0 07 83 c0 01 38 c8 7c 08 84 c9 0f 85
[ 34.040588] RIP: nl802154_del_llsec_dev+0x13b/0x2e0 RSP: ffff8880a62376e0
[ 34.056405] ---[ end trace 38b09e6ea78fc379 ]---
[ 34.061901] Kernel panic - not syncing: Fatal exception
[ 34.071313] Kernel Offset: disabled
[ 34.075970] Rebooting in 86400 seconds..