Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting O[ 37.039789] audit: type=1800 audit(1568195388.427:33): pid=7363 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 penBSD Secure Sh[ 37.061302] audit: type=1800 audit(1568195388.427:34): pid=7363 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 ell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 41.644626] audit: type=1400 audit(1568195393.027:35): avc: denied { map } for pid=7536 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.10.22' (ECDSA) to the list of known hosts. [ 248.597864] audit: type=1400 audit(1568195599.987:36): avc: denied { map } for pid=7548 comm="syz-executor287" path="/root/syz-executor287041397" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 248.620631] IPVS: ftp: loaded support on port[0] = 21 [ 248.685772] chnl_net:caif_netlink_parms(): no params data found [ 248.718305] bridge0: port 1(bridge_slave_0) entered blocking state [ 248.724972] bridge0: port 1(bridge_slave_0) entered disabled state [ 248.732674] device bridge_slave_0 entered promiscuous mode [ 248.739987] bridge0: port 2(bridge_slave_1) entered blocking state [ 248.746461] bridge0: port 2(bridge_slave_1) entered disabled state [ 248.753383] device bridge_slave_1 entered promiscuous mode [ 248.769590] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 248.778559] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 248.795063] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 248.802831] team0: Port device team_slave_0 added [ 248.808349] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 248.815464] team0: Port device team_slave_1 added [ 248.820847] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 248.828124] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 248.878297] device hsr_slave_0 entered promiscuous mode [ 248.946270] device hsr_slave_1 entered promiscuous mode [ 248.996919] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 249.003853] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 249.017485] bridge0: port 2(bridge_slave_1) entered blocking state [ 249.023908] bridge0: port 2(bridge_slave_1) entered forwarding state [ 249.030861] bridge0: port 1(bridge_slave_0) entered blocking state [ 249.037256] bridge0: port 1(bridge_slave_0) entered forwarding state [ 249.066254] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 249.072372] 8021q: adding VLAN 0 to HW filter on device bond0 [ 249.080800] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 249.089661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 249.109245] bridge0: port 1(bridge_slave_0) entered disabled state [ 249.117116] bridge0: port 2(bridge_slave_1) entered disabled state [ 249.124224] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 249.136101] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 249.142168] 8021q: adding VLAN 0 to HW filter on device team0 [ 249.152814] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 249.160637] bridge0: port 1(bridge_slave_0) entered blocking state [ 249.169050] bridge0: port 1(bridge_slave_0) entered forwarding state [ 249.179256] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 249.186903] bridge0: port 2(bridge_slave_1) entered blocking state [ 249.193222] bridge0: port 2(bridge_slave_1) entered forwarding state [ 249.212316] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 249.222489] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 249.233277] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 249.240893] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 249.248901] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 249.256529] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 249.264110] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 249.271883] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 249.278781] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 249.290403] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 249.300963] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 354.325963] rcu: INFO: rcu_preempt self-detected stall on CPU [ 354.332147] rcu: 1-...!: (10500 ticks this GP) idle=fc6/1/0x4000000000000002 softirq=14556/14556 fqs=6 [ 354.341949] rcu: (t=10500 jiffies g=5097 q=22) [ 354.346703] rcu: rcu_preempt kthread starved for 10488 jiffies! g5097 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 354.357267] rcu: RCU grace-period kthread stack dump: [ 354.362437] rcu_preempt I29104 10 2 0x80000000 [ 354.368133] Call Trace: [ 354.370822] __schedule+0x866/0x1dc0 [ 354.374531] ? pci_mmcfg_check_reserved+0x170/0x170 [ 354.379531] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 354.384662] ? lockdep_hardirqs_on+0x415/0x5d0 [ 354.389252] ? trace_hardirqs_on+0x67/0x220 [ 354.393576] schedule+0x92/0x1c0 [ 354.396942] schedule_timeout+0x4db/0xfc0 [ 354.401076] ? usleep_range+0x170/0x170 [ 354.405038] ? trace_hardirqs_on+0x67/0x220 [ 354.409370] ? kasan_check_read+0x11/0x20 [ 354.413527] ? __next_timer_interrupt+0x1a0/0x1a0 [ 354.418395] ? prepare_to_swait_exclusive+0x120/0x120 [ 354.423607] rcu_gp_kthread+0xd5c/0x2190 [ 354.427670] ? rcu_blocking_is_gp+0x90/0x90 [ 354.431979] ? trace_hardirqs_on+0x67/0x220 [ 354.437275] ? kasan_check_read+0x11/0x20 [ 354.441410] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 354.446539] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 354.452097] ? __kthread_parkme+0xfb/0x1b0 [ 354.456323] kthread+0x354/0x420 [ 354.459677] ? rcu_blocking_is_gp+0x90/0x90 [ 354.463989] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 354.469514] ret_from_fork+0x24/0x30 [ 354.473246] NMI backtrace for cpu 1 [ 354.476862] CPU: 1 PID: 7551 Comm: kworker/1:2 Not tainted 4.19.72 #0 [ 354.483431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.492832] Workqueue: ipv6_addrconf addrconf_dad_work [ 354.498095] Call Trace: [ 354.500671] [ 354.502854] dump_stack+0x172/0x1f0 [ 354.506474] nmi_cpu_backtrace.cold+0x63/0xa4 [ 354.510986] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 354.515901] nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 [ 354.521169] arch_trigger_cpumask_backtrace+0x14/0x20 [ 354.526354] rcu_dump_cpu_stacks+0x189/0x1d5 [ 354.530771] ? wake_up_process+0x10/0x20 [ 354.534823] rcu_check_callbacks.cold+0x5e3/0xd90 [ 354.539655] ? trace_hardirqs_off+0x62/0x220 [ 354.544081] update_process_times+0x32/0x80 [ 354.548412] tick_sched_handle+0xa2/0x190 [ 354.552551] tick_sched_timer+0x47/0x130 [ 354.556602] __hrtimer_run_queues+0x33b/0xdc0 [ 354.561088] ? tick_sched_do_timer+0x1b0/0x1b0 [ 354.565660] ? hrtimer_fixup_activate+0x30/0x30 [ 354.570316] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 354.575317] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 354.580673] hrtimer_interrupt+0x314/0x770 [ 354.584905] smp_apic_timer_interrupt+0x111/0x550 [ 354.589733] apic_timer_interrupt+0xf/0x20 [ 354.593955] RIP: 0010:__sanitizer_cov_trace_pc+0x4b/0x50 [ 354.599395] Code: 90 d0 12 00 00 83 fa 02 75 20 48 8b 88 d8 12 00 00 8b 80 d4 12 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 <5d> c3 0f 1f 00 65 4c 8b 04 25 40 ee 01 00 65 8b 05 e0 96 96 7e a9 [ 354.620538] RSP: 0018:ffff8880ae906b28 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 [ 354.628234] RAX: ffff88809a110140 RBX: ffff888081b554b8 RCX: ffffffff858e7de6 [ 354.635487] RDX: 0000000000000100 RSI: ffffffff858e7df0 RDI: 0000000000000001 [ 354.642742] RBP: ffff8880ae906b28 R08: ffff88809a110140 R09: 000000000000000a [ 354.649996] R10: ffff88809a110b50 R11: 00000000b62f3b1f R12: dffffc0000000000 [ 354.657248] R13: ffff888081b55200 R14: 0000000000000001 R15: 0000000000000000 [ 354.664508] ? apic_timer_interrupt+0xa/0x20 [ 354.668978] ? hhf_dequeue+0x5b6/0xa00 [ 354.672853] ? hhf_dequeue+0x5c0/0xa00 [ 354.676731] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 354.682262] hhf_dequeue+0x5c0/0xa00 [ 354.686005] __qdisc_run+0x1e7/0x1960 [ 354.689852] __dev_queue_xmit+0x165c/0x2fe0 [ 354.694198] ? deliver_clone+0x61/0xc0 [ 354.698073] ? br_flood+0x5fa/0x710 [ 354.701683] ? br_handle_frame_finish+0xf72/0x1510 [ 354.706605] ? netdev_pick_tx+0x300/0x300 [ 354.710739] ? do_softirq_own_stack+0x2a/0x40 [ 354.715258] ? do_softirq.part.0+0x11a/0x170 [ 354.719653] ? __local_bh_enable_ip+0x211/0x270 [ 354.724473] ? ip6_finish_output2+0xae0/0x2550 [ 354.729063] ? ip6_finish_output+0x574/0xbe0 [ 354.733510] ? ndisc_send_skb+0xf3b/0x1460 [ 354.737757] ? ndisc_send_ns+0x3a9/0x850 [ 354.741811] ? addrconf_dad_work+0xb88/0x1150 [ 354.746297] ? worker_thread+0x98/0xe40 [ 354.750260] ? kthread+0x354/0x420 [ 354.753784] ? ret_from_fork+0x24/0x30 [ 354.757665] ? __lock_is_held+0xb6/0x140 [ 354.761731] dev_queue_xmit+0x18/0x20 [ 354.765518] ? dev_queue_xmit+0x18/0x20 [ 354.769491] br_dev_queue_push_xmit+0x405/0x5d0 [ 354.774230] ? br_nf_dev_queue_xmit+0x38c/0x1610 [ 354.778984] br_nf_dev_queue_xmit+0x365/0x1610 [ 354.783565] br_nf_post_routing+0x76f/0x12f0 [ 354.787969] ? find_inlist_lock.constprop.0+0x22a/0x230 [ 354.793325] ? br_nf_dev_queue_xmit+0x1610/0x1610 [ 354.798198] ? ipv6_skip_exthdr+0x5b0/0x5c0 [ 354.802510] ? br_nf_pre_routing_finish_bridge+0xaa0/0xaa0 [ 354.808161] nf_hook_slow+0xbc/0x1e0 [ 354.811867] br_forward_finish+0x215/0x400 [ 354.816092] ? br_dev_queue_push_xmit+0x5d0/0x5d0 [ 354.820927] ? br_fdb_add.cold+0x8a/0x8a [ 354.824974] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 354.829983] ? nf_hook_slow+0xf0/0x1e0 [ 354.833860] br_nf_hook_thresh+0x2e9/0x370 [ 354.838086] ? br_dev_queue_push_xmit+0x5d0/0x5d0 [ 354.842922] ? setup_pre_routing+0x470/0x470 [ 354.847316] ? find_held_lock+0x35/0x130 [ 354.851364] ? br_dev_queue_push_xmit+0x5d0/0x5d0 [ 354.856200] br_nf_forward_finish+0x356/0x700 [ 354.860679] ? br_dev_queue_push_xmit+0x5d0/0x5d0 [ 354.865510] br_nf_forward_ip+0x6b4/0x17c0 [ 354.869822] ? br_nf_forward_finish+0x700/0x700 [ 354.874537] ? refcount_inc_not_zero_checked+0x147/0x200 [ 354.879976] ? br_nf_hook_thresh+0x370/0x370 [ 354.884375] nf_hook_slow+0xbc/0x1e0 [ 354.888080] __br_forward+0x393/0xb30 [ 354.891870] ? br_forward_finish+0x400/0x400 [ 354.896273] ? br_dev_queue_push_xmit+0x5d0/0x5d0 [ 354.901119] deliver_clone+0x61/0xc0 [ 354.904819] br_flood+0x5fa/0x710 [ 354.908262] br_handle_frame_finish+0xf72/0x1510 [ 354.913037] ? br_handle_local_finish+0x20/0x20 [ 354.917717] ? __lock_is_held+0xb6/0x140 [ 354.921945] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 354.926959] ? nf_hook_slow+0xf0/0x1e0 [ 354.930844] br_nf_hook_thresh+0x2e9/0x370 [ 354.935191] ? br_handle_local_finish+0x20/0x20 [ 354.939851] ? setup_pre_routing+0x470/0x470 [ 354.944267] ? br_handle_local_finish+0x20/0x20 [ 354.948934] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 354.954122] br_nf_pre_routing_finish_ipv6+0x6ed/0xd70 [ 354.959650] ? br_handle_local_finish+0x20/0x20 [ 354.964313] ? kasan_check_read+0x11/0x20 [ 354.968456] br_nf_pre_routing_ipv6+0x4a5/0x8ca [ 354.973115] ? br_validate_ipv6+0xb90/0xb90 [ 354.977433] ? br_nf_pre_routing_finish.cold+0x11d/0x11d [ 354.982872] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 354.988457] ? skb_pull_rcsum+0x164/0x340 [ 354.992598] br_nf_pre_routing+0x1016/0x159c [ 354.996996] ? br_nf_pre_routing_finish+0x1960/0x1960 [ 355.002174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.007695] ? ebt_broute+0x127/0x190 [ 355.011491] nf_hook_slow+0xbc/0x1e0 [ 355.015192] br_handle_frame+0x985/0x1480 [ 355.019328] ? br_handle_frame_finish+0x1510/0x1510 [ 355.024331] ? br_handle_local_finish+0x20/0x20 [ 355.028987] ? br_handle_frame_finish+0x1510/0x1510 [ 355.033995] __netif_receive_skb_core+0xac1/0x3570 [ 355.038917] ? __lock_acquire+0x6ee/0x49c0 [ 355.043139] ? __lock_acquire+0x6ee/0x49c0 [ 355.047360] ? irq_exit+0x180/0x1d0 [ 355.050981] ? netif_receive_skb+0x2d0/0x2d0 [ 355.055387] ? mark_held_locks+0x100/0x100 [ 355.059615] ? process_backlog+0x482/0x7a0 [ 355.063839] __netif_receive_skb_one_core+0xa8/0x1a0 [ 355.068931] ? __netif_receive_skb_one_core+0xa8/0x1a0 [ 355.074194] ? __netif_receive_skb_core+0x3570/0x3570 [ 355.079371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.084941] ? check_preemption_disabled+0x48/0x290 [ 355.089942] ? lock_acquire+0x16f/0x3f0 [ 355.093909] __netif_receive_skb+0x2c/0x1d0 [ 355.098218] process_backlog+0x23a/0x7a0 [ 355.102265] ? net_rx_action+0x27b/0x1070 [ 355.106397] ? lockdep_hardirqs_on+0x19b/0x5d0 [ 355.110971] net_rx_action+0x4f5/0x1070 [ 355.114941] ? napi_complete_done+0x500/0x500 [ 355.119420] ? __lock_is_held+0xb6/0x140 [ 355.123477] __do_softirq+0x25c/0x921 [ 355.127266] ? rcu_nmi_exit+0xe4/0x140 [ 355.131145] ? ip6_finish_output2+0xb9f/0x2550 [ 355.135713] do_softirq_own_stack+0x2a/0x40 [ 355.140018] [ 355.142246] do_softirq.part.0+0x11a/0x170 [ 355.146467] __local_bh_enable_ip+0x211/0x270 [ 355.150962] ip6_finish_output2+0xbd2/0x2550 [ 355.155364] ? find_held_lock+0x35/0x130 [ 355.159414] ? ip6_mtu+0x2e6/0x460 [ 355.162945] ? ip6_forward_finish+0x4d0/0x4d0 [ 355.167426] ? lock_downgrade+0x810/0x810 [ 355.171564] ? kasan_check_read+0x11/0x20 [ 355.175704] ip6_finish_output+0x574/0xbe0 [ 355.179923] ? ip6_finish_output+0x574/0xbe0 [ 355.184319] ip6_output+0x235/0x7c0 [ 355.187934] ? ip6_finish_output+0xbe0/0xbe0 [ 355.192334] ? ip6_fragment+0x3770/0x3770 [ 355.196499] ndisc_send_skb+0xf3b/0x1460 [ 355.200554] ? nf_hook.constprop.0+0x560/0x560 [ 355.205167] ? skb_set_owner_w+0x24c/0x360 [ 355.209392] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 355.214401] ndisc_send_ns+0x3a9/0x850 [ 355.218271] ? mark_held_locks+0xb1/0x100 [ 355.222409] ? ndisc_netdev_event+0x470/0x470 [ 355.226890] ? lockdep_hardirqs_on+0x415/0x5d0 [ 355.231458] ? addrconf_dad_work+0xac4/0x1150 [ 355.235944] ? trace_hardirqs_on+0x67/0x220 [ 355.240251] ? addrconf_dad_work+0xac4/0x1150 [ 355.244737] addrconf_dad_work+0xb88/0x1150 [ 355.249055] ? addrconf_dad_completed+0xbb0/0xbb0 [ 355.253895] process_one_work+0x989/0x1750 [ 355.258122] ? pwq_dec_nr_in_flight+0x320/0x320 [ 355.262774] ? lock_acquire+0x16f/0x3f0 [ 355.266737] ? kasan_check_write+0x14/0x20 [ 355.270959] ? do_raw_spin_lock+0xc8/0x240 [ 355.275179] worker_thread+0x98/0xe40 [ 355.278968] ? trace_hardirqs_on+0x67/0x220 [ 355.283285] kthread+0x354/0x420 [ 355.286637] ? process_one_work+0x1750/0x1750 [ 355.291122] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 355.296649] ret_from_fork+0x24/0x30