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 OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 35.948087] audit: type=1800 audit(1568490949.836:33): pid=7236 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 [ 35.973018] audit: type=1800 audit(1568490949.836:34): pid=7236 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 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 39.987479] audit: type=1400 audit(1568490953.876:35): avc: denied { map } for pid=7412 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 '10.128.0.184' (ECDSA) to the list of known hosts. [ 46.551314] audit: type=1400 audit(1568490960.436:36): avc: denied { map } for pid=7425 comm="syz-executor329" path="/root/syz-executor329229833" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 46.576350] IPVS: ftp: loaded support on port[0] = 21 [ 46.633901] chnl_net:caif_netlink_parms(): no params data found [ 46.662881] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.669578] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.676639] device bridge_slave_0 entered promiscuous mode [ 46.683820] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.690197] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.697251] device bridge_slave_1 entered promiscuous mode [ 46.715500] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.724450] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.739570] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.747204] team0: Port device team_slave_0 added [ 46.752520] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.759797] team0: Port device team_slave_1 added [ 46.765012] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.772194] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.825639] device hsr_slave_0 entered promiscuous mode [ 46.893694] device hsr_slave_1 entered promiscuous mode [ 46.933993] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 46.940818] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 46.954208] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.960579] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.967416] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.973800] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.006012] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 47.012112] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.020088] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 47.028548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.047358] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.054515] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.061422] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 47.071984] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 47.078182] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.087221] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.094810] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.101188] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.121249] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 47.131295] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 47.142686] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 47.149743] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.157401] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.163767] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.171437] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.179318] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.186835] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.194441] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready executing program [ 47.202380] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.209243] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.220759] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 47.230535] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 152.233443] rcu: INFO: rcu_preempt self-detected stall on CPU [ 152.239588] rcu: 0-...!: (10500 ticks this GP) idle=6ca/0/0x3 softirq=9864/9864 fqs=0 [ 152.247998] rcu: (t=10501 jiffies g=4541 q=87) [ 152.252761] rcu: rcu_preempt kthread starved for 10501 jiffies! g4541 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 152.263322] rcu: RCU grace-period kthread stack dump: [ 152.268506] rcu_preempt I29104 10 2 0x80000000 [ 152.274136] Call Trace: [ 152.276729] __schedule+0x866/0x1dc0 [ 152.280445] ? pci_mmcfg_check_reserved+0x170/0x170 [ 152.285457] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 152.290558] ? lockdep_hardirqs_on+0x415/0x5d0 [ 152.295186] ? trace_hardirqs_on+0x67/0x220 [ 152.299507] schedule+0x92/0x1c0 [ 152.302872] schedule_timeout+0x4db/0xfc0 [ 152.307022] ? usleep_range+0x170/0x170 [ 152.310993] ? trace_hardirqs_on+0x67/0x220 [ 152.315349] ? kasan_check_read+0x11/0x20 [ 152.319499] ? __next_timer_interrupt+0x1a0/0x1a0 [ 152.324341] ? prepare_to_swait_exclusive+0x120/0x120 [ 152.329533] rcu_gp_kthread+0xd5c/0x2190 [ 152.333606] ? rcu_blocking_is_gp+0x90/0x90 [ 152.337924] ? trace_hardirqs_on+0x67/0x220 [ 152.342314] ? kasan_check_read+0x11/0x20 [ 152.346472] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 152.351572] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 152.357106] ? __kthread_parkme+0xfb/0x1b0 [ 152.361349] kthread+0x354/0x420 [ 152.364711] ? rcu_blocking_is_gp+0x90/0x90 [ 152.369074] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 152.374609] ret_from_fork+0x24/0x30 [ 152.378352] NMI backtrace for cpu 0 [ 152.381982] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.72 #0 [ 152.388118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.397522] Call Trace: [ 152.400165] [ 152.402324] dump_stack+0x172/0x1f0 [ 152.405955] nmi_cpu_backtrace.cold+0x63/0xa4 [ 152.410455] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 152.415387] nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 [ 152.420670] arch_trigger_cpumask_backtrace+0x14/0x20 [ 152.425873] rcu_dump_cpu_stacks+0x189/0x1d5 [ 152.430277] ? wake_up_process+0x10/0x20 [ 152.434340] rcu_check_callbacks.cold+0x5e3/0xd90 [ 152.439182] ? trace_hardirqs_off+0x62/0x220 [ 152.443598] update_process_times+0x32/0x80 [ 152.447920] tick_sched_handle+0xa2/0x190 [ 152.452071] tick_sched_timer+0x47/0x130 [ 152.456150] __hrtimer_run_queues+0x33b/0xdc0 [ 152.460647] ? tick_sched_do_timer+0x1b0/0x1b0 [ 152.465232] ? hrtimer_fixup_activate+0x30/0x30 [ 152.469899] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 152.474912] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 152.480280] hrtimer_interrupt+0x314/0x770 [ 152.484614] smp_apic_timer_interrupt+0x111/0x550 [ 152.489462] apic_timer_interrupt+0xf/0x20 [ 152.493710] RIP: 0010:__list_add_valid+0xe/0xa0 [ 152.498382] Code: 40 48 82 87 e8 33 fd ff ff 41 5c 5d c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 <41> 55 49 89 fd 48 8d 7a 08 41 54 49 89 d4 48 89 fa 48 83 ec 08 48 [ 152.517281] RSP: 0018:ffff8880ae807578 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 152.524996] RAX: dffffc0000000000 RBX: ffff888082823df8 RCX: ffffffff858e7de6 [ 152.532266] RDX: ffff888082823e90 RSI: ffff888082823e90 RDI: ffff888082823df8 [ 152.539535] RBP: ffff8880ae807578 R08: ffffffff88679ec0 R09: 0000000000000005 [ 152.546803] R10: ffffffff8867a808 R11: 000000007ead0a59 R12: dffffc0000000000 [ 152.554071] R13: ffff888082823b40 R14: ffff888082823e98 R15: ffff888082823e90 [ 152.561348] ? apic_timer_interrupt+0xa/0x20 [ 152.565824] ? hhf_dequeue+0x5b6/0xa00 [ 152.569716] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 152.575261] hhf_dequeue+0x652/0xa00 [ 152.579022] __qdisc_run+0x1e7/0x1960 [ 152.582831] __dev_queue_xmit+0x165c/0x2fe0 [ 152.587156] ? netdev_pick_tx+0x300/0x300 [ 152.591313] ? ip6_finish_output2+0xae0/0x2550 [ 152.595896] ? find_held_lock+0x35/0x130 [ 152.599955] ? ip6_finish_output2+0xb7f/0x2550 [ 152.604537] ? mark_held_locks+0xb1/0x100 [ 152.608694] dev_queue_xmit+0x18/0x20 [ 152.612491] ? dev_queue_xmit+0x18/0x20 [ 152.616468] neigh_resolve_output+0x5b7/0x980 [ 152.621010] ip6_finish_output2+0xb7f/0x2550 [ 152.625428] ? ip6_mtu+0x2e6/0x460 [ 152.628974] ? ip6_forward_finish+0x4d0/0x4d0 [ 152.633472] ? lock_downgrade+0x810/0x810 [ 152.637623] ? kasan_check_read+0x11/0x20 [ 152.641780] ip6_finish_output+0x574/0xbe0 [ 152.646014] ? ip6_finish_output+0x574/0xbe0 [ 152.650426] ip6_output+0x235/0x7c0 [ 152.654052] ? ip6_finish_output+0xbe0/0xbe0 [ 152.658459] ? ip6_fragment+0x3770/0x3770 [ 152.662779] ? icmp6_dst_alloc+0x432/0x660 [ 152.667017] mld_sendpack+0x9d3/0xeb0 [ 152.670908] ? nf_hook.constprop.0+0x560/0x560 [ 152.675497] ? mld_ifc_timer_expire+0x437/0x8a0 [ 152.680165] ? __local_bh_enable_ip+0x15a/0x270 [ 152.684831] mld_ifc_timer_expire+0x449/0x8a0 [ 152.689332] call_timer_fn+0x18d/0x720 [ 152.693274] ? mld_dad_timer_expire+0x1c0/0x1c0 [ 152.698030] ? process_timeout+0x40/0x40 [ 152.702086] ? run_timer_softirq+0x647/0x1700 [ 152.706582] ? trace_hardirqs_on+0x67/0x220 [ 152.710901] ? kasan_check_read+0x11/0x20 [ 152.715050] ? mld_dad_timer_expire+0x1c0/0x1c0 [ 152.719715] run_timer_softirq+0x652/0x1700 [ 152.724047] ? add_timer+0xbe0/0xbe0 [ 152.727760] ? kvm_clock_read+0x18/0x30 [ 152.731729] ? check_preemption_disabled+0x48/0x290 [ 152.736739] ? sched_clock+0x2e/0x50 [ 152.742316] __do_softirq+0x25c/0x921 [ 152.746138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 152.751840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 152.757404] irq_exit+0x180/0x1d0 [ 152.760860] smp_apic_timer_interrupt+0x13b/0x550 [ 152.767004] apic_timer_interrupt+0xf/0x20 [ 152.771339] [ 152.773578] RIP: 0010:native_safe_halt+0xe/0x10 [ 152.778332] Code: ff ff 48 89 df e8 72 12 ae fa eb 82 e9 07 00 00 00 0f 00 2d 94 03 54 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 84 03 54 00 fb f4 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 be f4 65 fa e8 69 [ 152.798609] RSP: 0018:ffffffff88607ca8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 152.806318] RAX: 1ffffffff10e48c4 RBX: ffffffff88679ec0 RCX: 0000000000000000 [ 152.813586] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff8867a73c [ 152.820852] RBP: ffffffff88607cd8 R08: ffffffff88679ec0 R09: 0000000000000000 [ 152.828156] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 152.835419] R13: ffffffff88724610 R14: 0000000000000000 R15: 0000000000000000 [ 152.842711] ? default_idle+0x4e/0x320 [ 152.846899] arch_cpu_idle+0xa/0x10 [ 152.850533] default_idle_call+0x36/0x90 [ 152.854594] do_idle+0x377/0x560 [ 152.858011] ? retint_kernel+0x2d/0x2d [ 152.861898] ? arch_cpu_idle_exit+0x80/0x80 [ 152.866224] cpu_startup_entry+0xc8/0xe0 [ 152.870283] ? cpu_in_idle+0x20/0x20 [ 152.874006] rest_init+0x219/0x222 [ 152.877545] start_kernel+0x88c/0x8c5 [ 152.881575] ? mem_encrypt_init+0xb/0xb [ 152.885555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 152.891136] ? x86_family+0x41/0x50 [ 152.894763] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 152.900300] x86_64_start_reservations+0x29/0x2b [ 152.905053] x86_64_start_kernel+0x77/0x7b [ 152.909290] secondary_startup_64+0xa4/0xb0