[ 69.099298][ T27] audit: type=1800 audit(1565429689.511:27): pid=10147 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 69.127801][ T27] audit: type=1800 audit(1565429689.511:28): pid=10147 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 69.752994][ T27] audit: type=1800 audit(1565429690.231:29): pid=10147 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 69.773481][ T27] audit: type=1800 audit(1565429690.231:30): pid=10147 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.60' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 77.431968][T10300] Started in network mode [ 77.436322][T10300] Own node identity ff030000000000000000000000000001, cluster identity 4711 [ 77.445217][T10300] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor831/10300 [ 77.454796][T10300] caller is dst_cache_get+0x3d/0xb0 [ 77.460015][T10300] CPU: 0 PID: 10300 Comm: syz-executor831 Not tainted 5.3.0-rc3+ #156 [ 77.468160][T10300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.478193][T10300] Call Trace: [ 77.481464][T10300] dump_stack+0x172/0x1f0 [ 77.485769][T10300] debug_smp_processor_id.cold+0x87/0x9d [ 77.491377][T10300] dst_cache_get+0x3d/0xb0 [ 77.495773][T10300] tipc_udp_xmit.isra.0+0xc4/0xb80 [ 77.500887][T10300] ? tipc_udp_addr2str+0x170/0x170 [ 77.505972][T10300] ? lock_downgrade+0x920/0x920 [ 77.510799][T10300] ? memcpy+0x46/0x50 [ 77.514778][T10300] ? __copy_skb_header+0x2e8/0x550 [ 77.519869][T10300] ? bearer_get+0x16e/0x350 [ 77.524362][T10300] ? __kasan_check_read+0x11/0x20 [ 77.529379][T10300] ? mark_held_locks+0xf0/0xf0 [ 77.534118][T10300] ? lock_downgrade+0x920/0x920 [ 77.538946][T10300] tipc_udp_send_msg+0x3ea/0x490 [ 77.543863][T10300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.550078][T10300] tipc_bearer_xmit_skb+0x17e/0x370 [ 77.555248][T10300] tipc_enable_bearer+0xacf/0xd30 [ 77.560246][T10300] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 77.566111][T10300] ? tipc_bearer_xmit_skb+0x370/0x370 [ 77.571501][T10300] ? nla_memcpy+0xb0/0xb0 [ 77.575811][T10300] __tipc_nl_bearer_enable+0x2de/0x3a0 [ 77.581243][T10300] ? __tipc_nl_bearer_enable+0x2de/0x3a0 [ 77.586851][T10300] ? tipc_nl_bearer_disable+0x40/0x40 [ 77.592198][T10300] ? nla_memcpy+0xb0/0xb0 [ 77.596501][T10300] ? lock_acquire+0x190/0x410 [ 77.601152][T10300] tipc_nl_bearer_enable+0x23/0x40 [ 77.606242][T10300] genl_family_rcv_msg+0x74b/0xf90 [ 77.611333][T10300] ? genl_unregister_family+0x7b0/0x7b0 [ 77.616853][T10300] ? __alloc_skb+0x10b/0x5e0 [ 77.621416][T10300] ? netlink_sendmsg+0x972/0xd60 [ 77.626323][T10300] ? sock_sendmsg+0xd7/0x130 [ 77.630889][T10300] ? ___sys_sendmsg+0x803/0x920 [ 77.635710][T10300] ? __x64_sys_sendmsg+0x78/0xb0 [ 77.640619][T10300] ? __netlink_lookup+0x3fa/0x7b0 [ 77.645618][T10300] ? __kasan_check_read+0x11/0x20 [ 77.650621][T10300] genl_rcv_msg+0xca/0x170 [ 77.655011][T10300] netlink_rcv_skb+0x177/0x450 [ 77.659750][T10300] ? genl_family_rcv_msg+0xf90/0xf90 [ 77.665009][T10300] ? netlink_ack+0xb30/0xb30 [ 77.669575][T10300] ? __kasan_check_write+0x14/0x20 [ 77.674659][T10300] ? netlink_deliver_tap+0x254/0xbf0 [ 77.679937][T10300] genl_rcv+0x29/0x40 [ 77.683893][T10300] netlink_unicast+0x531/0x710 [ 77.688632][T10300] ? netlink_attachskb+0x7c0/0x7c0 [ 77.693727][T10300] ? _copy_from_iter_full+0x25d/0x8a0 [ 77.699087][T10300] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 77.704788][T10300] ? __check_object_size+0x3d/0x43c [ 77.709961][T10300] netlink_sendmsg+0x8a5/0xd60 [ 77.714698][T10300] ? netlink_unicast+0x710/0x710 [ 77.719609][T10300] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 77.725126][T10300] ? apparmor_socket_sendmsg+0x2a/0x30 [ 77.730560][T10300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.736774][T10300] ? security_socket_sendmsg+0x8d/0xc0 [ 77.742209][T10300] ? netlink_unicast+0x710/0x710 [ 77.747121][T10300] sock_sendmsg+0xd7/0x130 [ 77.751533][T10300] ___sys_sendmsg+0x803/0x920 [ 77.756189][T10300] ? copy_msghdr_from_user+0x440/0x440 [ 77.761652][T10300] ? __kasan_check_write+0x14/0x20 [ 77.766751][T10300] ? lock_downgrade+0x920/0x920 [ 77.771587][T10300] ? debug_object_active_state+0x105/0x350 [ 77.777379][T10300] ? trace_hardirqs_on+0x67/0x240 [ 77.782375][T10300] ? __kasan_check_read+0x11/0x20 [ 77.787390][T10300] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 77.793180][T10300] ? debug_object_active_state+0x28a/0x350 [ 77.798961][T10300] ? debug_object_deactivate+0x320/0x320 [ 77.804573][T10300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.810791][T10300] ? __fget_light+0x1a9/0x230 [ 77.815443][T10300] ? __fdget+0x1b/0x20 [ 77.819595][T10300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 77.825829][T10300] __sys_sendmsg+0x105/0x1d0 [ 77.830395][T10300] ? __sys_sendmsg_sock+0xd0/0xd0 [ 77.835393][T10300] ? task_work_run+0x63/0x1c0 [ 77.840052][T10300] ? switch_fpu_return+0x1fa/0x4f0 [ 77.845137][T10300] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 77.851177][T10300] __x64_sys_sendmsg+0x78/0xb0 [ 77.855918][T10300] do_syscall_64+0xfd/0x6a0 [ 77.860396][T10300] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.866261][T10300] RIP: 0033:0x444359 [ 77.870149][T10300] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 0f 83 1b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.889729][T10300] RSP: 002b:00007ffc7e50bb18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 77.898132][T10300] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000444359 [ 77.906131][T10300] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 77.914080][T10300] RBP: 00000000006ce018 R08: 0000000000000044 R09: 00000000004002e0 [ 77.922044][T10300] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000402000 [ 77.929993][T10300] R13: 0000000000402090 R14: