Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.206' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   29.152058] kasan: CONFIG_KASAN_INLINE enabled
[   29.157196] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   29.166032] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   29.172416] Modules linked in:
[   29.175643] CPU: 1 PID: 7949 Comm: syz-executor784 Not tainted 4.14.221-syzkaller #0
[   29.183540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   29.192869] task: ffff8880973ec400 task.stack: ffff88809a648000
[   29.198906] RIP: 0010:nl802154_del_llsec_key+0x15a/0x2f0
[   29.204326] RSP: 0018:ffff88809a64f698 EFLAGS: 00010246
[   29.209684] RAX: dffffc0000000000 RBX: ffff8880b2905500 RCX: 0000000000000000
[   29.216951] RDX: 0000000000000000 RSI: ffff88809a64f850 RDI: ffff8880b2905628
[   29.224194] RBP: 1ffff110134c9ed5 R08: 0000000000000001 R09: ffff88809a64f990
[   29.231439] R10: ffff88809a64f6af R11: ffff8880973ec400 R12: ffff88823827a2c0
[   29.238684] R13: ffff8880abb45050 R14: ffffffff886f2070 R15: ffff8880a3402500
[   29.245931] FS:  0000000001916300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
[   29.254145] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.260000] CR2: 0000000020000148 CR3: 000000009a60c000 CR4: 00000000001406e0
[   29.267245] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   29.274506] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   29.281749] Call Trace:
[   29.284315]  ? nl802154_post_doit+0x150/0x150
[   29.288785]  ? lock_acquire+0x170/0x3f0
[   29.292732]  ? nl802154_set_llsec_params+0x420/0x420
[   29.297831]  ? nl802154_pre_doit+0xb2/0xb20
[   29.302125]  ? validate_nla+0x192/0x5e0
[   29.306073]  ? nl802154_dump_wpan_phy_done+0x40/0x40
[   29.311147]  ? nla_parse+0x157/0x1f0
[   29.314834]  ? nl802154_dump_wpan_phy_done+0x40/0x40
[   29.319912]  genl_family_rcv_msg+0x572/0xb20
[   29.324313]  ? genl_rcv+0x40/0x40
[   29.327754]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[   29.333175]  ? trace_hardirqs_on+0x10/0x10
[   29.337730]  ? sock_sendmsg+0xb5/0x100
[   29.341590]  genl_rcv_msg+0xaf/0x140
[   29.345276]  netlink_rcv_skb+0x125/0x390
[   29.349309]  ? genl_family_rcv_msg+0xb20/0xb20
[   29.353863]  ? netlink_ack+0x9a0/0x9a0
[   29.357721]  ? lock_acquire+0x170/0x3f0
[   29.361670]  genl_rcv+0x24/0x40
[   29.364921]  netlink_unicast+0x437/0x610
[   29.368953]  ? netlink_sendskb+0xd0/0xd0
[   29.373001]  ? __check_object_size+0x179/0x230
[   29.377557]  netlink_sendmsg+0x62e/0xb80
[   29.381591]  ? nlmsg_notify+0x170/0x170
[   29.385538]  ? kernel_recvmsg+0x210/0x210
[   29.389658]  ? security_socket_sendmsg+0x83/0xb0
[   29.394387]  ? nlmsg_notify+0x170/0x170
[   29.398333]  sock_sendmsg+0xb5/0x100
[   29.402020]  ___sys_sendmsg+0x6c8/0x800
[   29.405967]  ? copy_msghdr_from_user+0x3b0/0x3b0
[   29.410694]  ? __lock_acquire+0x5fc/0x3f20
[   29.414903]  ? __dentry_kill+0x3f7/0x550
[   29.418937]  ? trace_hardirqs_on+0x10/0x10
[   29.423146]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[   29.428570]  ? dentry_free+0xc6/0x120
[   29.432344]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   29.437335]  ? kmem_cache_free+0x23a/0x2b0
[   29.441587]  ? mntput_no_expire+0xc7/0x910
[   29.445796]  ? lock_acquire+0x170/0x3f0
[   29.449743]  ? __fdget+0x167/0x1f0
[   29.453270]  ? sockfd_lookup_light+0xb2/0x160
[   29.457761]  __sys_sendmsg+0xa3/0x120
[   29.461534]  ? SyS_shutdown+0x160/0x160
[   29.465484]  SyS_sendmsg+0x27/0x40
[   29.468998]  ? __sys_sendmsg+0x120/0x120
[   29.473029]  do_syscall_64+0x1d5/0x640
[   29.476894]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   29.482057] RIP: 0033:0x43fa69
[   29.485219] RSP: 002b:00007ffe507aa6f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.492898] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043fa69
[   29.500141] RDX: 0000000000000810 RSI: 00000000200005c0 RDI: 0000000000000003
[   29.507383] RBP: 00000000004034d0 R08: 0000000000000008 R09: 00000000004004a0
[   29.514631] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000403560
[   29.521873] R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0
[   29.529118] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 85 01 00 00 48 8b 93 28 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 
[   29.548358] RIP: nl802154_del_llsec_key+0x15a/0x2f0 RSP: ffff88809a64f698
[   29.564026] ---[ end trace eabd91d2c6afc64d ]---
[   29.564031] Kernel panic - not syncing: Fatal exception
[   29.564729] Kernel Offset: disabled
[   29.578441] Rebooting in 86400 seconds..