[ 69.748049][ T26] audit: type=1800 audit(1565432348.124:27): pid=10174 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 69.773588][ T26] audit: type=1800 audit(1565432348.134:28): pid=10174 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. [ 70.555186][ T26] audit: type=1800 audit(1565432348.994:29): pid=10174 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 [ 70.575702][ T26] audit: type=1800 audit(1565432348.994:30): pid=10174 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 '10.128.0.241' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 78.349926][T10328] Started in network mode [ 78.354287][T10328] Own node identity ff030000000000000000000000000001, cluster identity 4711 [ 78.363323][T10328] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor995/10328 [ 78.372912][T10328] caller is dst_cache_get+0x3d/0xb0 [ 78.378136][T10328] CPU: 1 PID: 10328 Comm: syz-executor995 Not tainted 5.3.0-rc3-next-20190809 #63 [ 78.387327][T10328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.397381][T10328] Call Trace: [ 78.400655][T10328] dump_stack+0x172/0x1f0 [ 78.404998][T10328] debug_smp_processor_id.cold+0x87/0x9d [ 78.416606][T10328] dst_cache_get+0x3d/0xb0 [ 78.421008][T10328] tipc_udp_xmit.isra.0+0xc4/0xb80 [ 78.426109][T10328] ? tipc_udp_addr2str+0x170/0x170 [ 78.431199][T10328] ? lock_downgrade+0x920/0x920 [ 78.436030][T10328] ? memcpy+0x46/0x50 [ 78.440011][T10328] ? __copy_skb_header+0x2e8/0x550 [ 78.445106][T10328] ? bearer_get+0x16e/0x350 [ 78.449586][T10328] ? __kasan_check_read+0x11/0x20 [ 78.454589][T10328] ? mark_held_locks+0xf0/0xf0 [ 78.459331][T10328] ? lock_downgrade+0x920/0x920 [ 78.464159][T10328] tipc_udp_send_msg+0x3ea/0x490 [ 78.469076][T10328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.475299][T10328] tipc_bearer_xmit_skb+0x17e/0x370 [ 78.480493][T10328] tipc_enable_bearer+0xacf/0xd30 [ 78.485499][T10328] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 78.491383][T10328] ? tipc_bearer_xmit_skb+0x370/0x370 [ 78.496735][T10328] ? nla_memcpy+0xb0/0xb0 [ 78.501048][T10328] __tipc_nl_bearer_enable+0x2de/0x3a0 [ 78.506483][T10328] ? __tipc_nl_bearer_enable+0x2de/0x3a0 [ 78.512100][T10328] ? tipc_nl_bearer_disable+0x40/0x40 [ 78.517453][T10328] ? nla_memcpy+0xb0/0xb0 [ 78.521759][T10328] ? lock_acquire+0x190/0x410 [ 78.526440][T10328] tipc_nl_bearer_enable+0x23/0x40 [ 78.531550][T10328] genl_family_rcv_msg+0x74b/0xf90 [ 78.536657][T10328] ? genl_unregister_family+0x7b0/0x7b0 [ 78.542185][T10328] ? __alloc_skb+0x10b/0x5e0 [ 78.546797][T10328] ? netlink_sendmsg+0x972/0xd60 [ 78.551714][T10328] ? sock_sendmsg+0xd7/0x130 [ 78.556281][T10328] ? ___sys_sendmsg+0x803/0x920 [ 78.561107][T10328] ? __x64_sys_sendmsg+0x78/0xb0 [ 78.566040][T10328] ? __netlink_lookup+0x3fa/0x7b0 [ 78.571058][T10328] ? __kasan_check_read+0x11/0x20 [ 78.576068][T10328] genl_rcv_msg+0xca/0x170 [ 78.580481][T10328] netlink_rcv_skb+0x177/0x450 [ 78.585226][T10328] ? genl_family_rcv_msg+0xf90/0xf90 [ 78.590671][T10328] ? netlink_ack+0xb30/0xb30 [ 78.595239][T10328] ? __kasan_check_write+0x14/0x20 [ 78.600332][T10328] ? netlink_deliver_tap+0x254/0xbf0 [ 78.605595][T10328] genl_rcv+0x29/0x40 [ 78.609557][T10328] netlink_unicast+0x531/0x710 [ 78.614308][T10328] ? netlink_attachskb+0x7c0/0x7c0 [ 78.619432][T10328] ? _copy_from_iter_full+0x25d/0x8a0 [ 78.624858][T10328] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 78.630558][T10328] ? __check_object_size+0x3d/0x437 [ 78.635743][T10328] netlink_sendmsg+0x8a5/0xd60 [ 78.640497][T10328] ? netlink_unicast+0x710/0x710 [ 78.645425][T10328] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 78.650959][T10328] ? apparmor_socket_sendmsg+0x2a/0x30 [ 78.656421][T10328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.662641][T10328] ? security_socket_sendmsg+0x8d/0xc0 [ 78.668079][T10328] ? netlink_unicast+0x710/0x710 [ 78.672994][T10328] sock_sendmsg+0xd7/0x130 [ 78.677406][T10328] ___sys_sendmsg+0x803/0x920 [ 78.682066][T10328] ? copy_msghdr_from_user+0x440/0x440 [ 78.687513][T10328] ? __kasan_check_write+0x14/0x20 [ 78.692602][T10328] ? lock_downgrade+0x920/0x920 [ 78.697435][T10328] ? debug_object_active_state+0x105/0x350 [ 78.703233][T10328] ? trace_hardirqs_on+0x67/0x240 [ 78.708233][T10328] ? __kasan_check_read+0x11/0x20 [ 78.713251][T10328] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 78.719037][T10328] ? debug_object_active_state+0x28a/0x350 [ 78.724834][T10328] ? debug_object_deactivate+0x320/0x320 [ 78.730448][T10328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.736667][T10328] ? __fget_light+0x1a9/0x230 [ 78.741329][T10328] ? __fdget+0x1b/0x20 [ 78.745379][T10328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 78.751633][T10328] __sys_sendmsg+0x105/0x1d0 [ 78.756206][T10328] ? __sys_sendmsg_sock+0xd0/0xd0 [ 78.761208][T10328] ? task_work_run+0x63/0x1c0 [ 78.765868][T10328] ? switch_fpu_return+0x1fa/0x4f0 [ 78.770961][T10328] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 78.777007][T10328] __x64_sys_sendmsg+0x78/0xb0 [ 78.781773][T10328] do_syscall_64+0xfa/0x760 [ 78.786261][T10328] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.792128][T10328] RIP: 0033:0x444359 [ 78.796023][T10328] 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 [ 78.815633][T10328] RSP: 002b:00007ffcad40d808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 78.824022][T10328] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000444359 [ 78.831975][T10328] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 78.839953][T10328] RBP: 00000000006ce018 R08: 0000000000000044 R09: 00000000004002e0 [ 78.847910][T10328] R10: 0000000000000001 R11: