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. [ 36.444290] audit: type=1800 audit(1568213562.596:33): pid=7290 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 [ 36.468150] audit: type=1800 audit(1568213562.596:34): pid=7290 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: [ 41.769898] audit: type=1400 audit(1568213567.916:35): avc: denied { map } for pid=7466 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 '10.128.10.48' (ECDSA) to the list of known hosts. [ 225.620584] audit: type=1400 audit(1568213751.766:36): avc: denied { map } for pid=7478 comm="syz-executor058" path="/root/syz-executor058724769" 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 [ 225.644834] IPVS: ftp: loaded support on port[0] = 21 [ 225.696904] chnl_net:caif_netlink_parms(): no params data found [ 225.728121] bridge0: port 1(bridge_slave_0) entered blocking state [ 225.734765] bridge0: port 1(bridge_slave_0) entered disabled state [ 225.741817] device bridge_slave_0 entered promiscuous mode [ 225.748856] bridge0: port 2(bridge_slave_1) entered blocking state [ 225.755312] bridge0: port 2(bridge_slave_1) entered disabled state [ 225.762216] device bridge_slave_1 entered promiscuous mode [ 225.777590] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 225.786518] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 225.801498] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 225.808914] team0: Port device team_slave_0 added [ 225.814425] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 225.821811] team0: Port device team_slave_1 added [ 225.826969] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 225.834309] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 225.893470] device hsr_slave_0 entered promiscuous mode [ 225.961337] device hsr_slave_1 entered promiscuous mode [ 226.021513] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 226.028394] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 226.042507] bridge0: port 2(bridge_slave_1) entered blocking state [ 226.048895] bridge0: port 2(bridge_slave_1) entered forwarding state [ 226.056011] bridge0: port 1(bridge_slave_0) entered blocking state [ 226.062539] bridge0: port 1(bridge_slave_0) entered forwarding state [ 226.092269] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 226.098352] 8021q: adding VLAN 0 to HW filter on device bond0 [ 226.107823] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 226.116676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 226.136074] bridge0: port 1(bridge_slave_0) entered disabled state [ 226.143493] bridge0: port 2(bridge_slave_1) entered disabled state [ 226.150452] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 226.161114] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 226.167199] 8021q: adding VLAN 0 to HW filter on device team0 [ 226.182574] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 226.190320] bridge0: port 1(bridge_slave_0) entered blocking state [ 226.196719] bridge0: port 1(bridge_slave_0) entered forwarding state [ 226.203950] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 226.211608] bridge0: port 2(bridge_slave_1) entered blocking state [ 226.217955] bridge0: port 2(bridge_slave_1) entered forwarding state [ 226.227321] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 226.236031] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 226.249376] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 226.259537] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 226.270236] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 226.279633] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 226.287833] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program executing program executing program executing program [ 226.296174] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 226.303907] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 226.315428] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 226.326344] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 331.331073] rcu: INFO: rcu_preempt self-detected stall on CPU [ 331.337206] rcu: 1-...!: (10499 ticks this GP) idle=552/0/0x3 softirq=12188/12188 fqs=0 [ 331.345691] rcu: (t=10500 jiffies g=4901 q=162) [ 331.350568] rcu: rcu_preempt kthread starved for 10500 jiffies! g4901 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 331.361130] rcu: RCU grace-period kthread stack dump: [ 331.366315] rcu_preempt I29624 10 2 0x80000000 [ 331.371944] Call Trace: [ 331.374619] __schedule+0x866/0x1dc0 [ 331.378330] ? pci_mmcfg_check_reserved+0x170/0x170 [ 331.383331] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 331.388472] ? lockdep_hardirqs_on+0x415/0x5d0 [ 331.393073] ? trace_hardirqs_on+0x67/0x220 [ 331.397383] schedule+0x92/0x1c0 [ 331.400734] schedule_timeout+0x4db/0xfc0 [ 331.404871] ? usleep_range+0x170/0x170 [ 331.408830] ? trace_hardirqs_on+0x67/0x220 [ 331.413166] ? kasan_check_read+0x11/0x20 [ 331.417372] ? __next_timer_interrupt+0x1a0/0x1a0 [ 331.422237] ? prepare_to_swait_exclusive+0x120/0x120 [ 331.427442] rcu_gp_kthread+0xd5c/0x2190 [ 331.431514] ? rcu_blocking_is_gp+0x90/0x90 [ 331.435835] ? trace_hardirqs_on+0x67/0x220 [ 331.440149] ? kasan_check_read+0x11/0x20 [ 331.444292] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 331.449426] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 331.454989] ? __kthread_parkme+0xfb/0x1b0 [ 331.459233] kthread+0x354/0x420 [ 331.462600] ? rcu_blocking_is_gp+0x90/0x90 [ 331.466926] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 331.472467] ret_from_fork+0x24/0x30 [ 331.476208] NMI backtrace for cpu 1 [ 331.479828] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.19.72 #0 [ 331.485954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.495290] Call Trace: [ 331.497858] [ 331.500028] dump_stack+0x172/0x1f0 [ 331.503649] nmi_cpu_backtrace.cold+0x63/0xa4 [ 331.508180] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 331.513191] nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 [ 331.518568] arch_trigger_cpumask_backtrace+0x14/0x20 [ 331.523757] rcu_dump_cpu_stacks+0x189/0x1d5 [ 331.528216] ? wake_up_process+0x10/0x20 [ 331.532275] rcu_check_callbacks.cold+0x5e3/0xd90 [ 331.537130] ? trace_hardirqs_off+0x62/0x220 [ 331.541601] update_process_times+0x32/0x80 [ 331.545932] tick_sched_handle+0xa2/0x190 [ 331.550074] tick_sched_timer+0x47/0x130 [ 331.554130] __hrtimer_run_queues+0x33b/0xdc0 [ 331.558618] ? tick_sched_do_timer+0x1b0/0x1b0 [ 331.563193] ? hrtimer_fixup_activate+0x30/0x30 [ 331.567848] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 331.572853] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 331.578211] hrtimer_interrupt+0x314/0x770 [ 331.582445] smp_apic_timer_interrupt+0x111/0x550 [ 331.587291] apic_timer_interrupt+0xf/0x20 [ 331.591586] RIP: 0010:hhf_dequeue+0x5b6/0xa00 [ 331.596074] Code: d2 0f 85 32 04 00 00 45 0f af b5 d4 02 00 00 48 89 df 45 01 fe 44 89 73 10 e8 56 47 97 fd 31 ff 41 89 c6 89 c6 e8 ea d9 dc fb <45> 84 f6 74 63 e8 a0 d8 dc fb 48 89 d8 48 c1 e8 03 42 80 3c 20 00 [ 331.615087] RSP: 0018:ffff8880ae907588 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 [ 331.622796] RAX: 0000000000000502 RBX: ffff8880989122f8 RCX: ffffffff858e7de6 [ 331.630054] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001 [ 331.637312] RBP: ffff8880ae9075d8 R08: ffff8880aa2703c0 R09: 0000000000000005 [ 331.644568] R10: ffff8880aa270d08 R11: 00000000a7d31416 R12: dffffc0000000000 [ 331.651841] R13: ffff888098912040 R14: 0000000000000001 R15: 0000000000000000 [ 331.659112] ? apic_timer_interrupt+0xa/0x20 [ 331.663612] ? hhf_dequeue+0x5b6/0xa00 [ 331.667505] ? hhf_dequeue+0x5b6/0xa00 [ 331.671496] __qdisc_run+0x1e7/0x1960 [ 331.675338] __dev_queue_xmit+0x165c/0x2fe0 [ 331.679656] ? netdev_pick_tx+0x300/0x300 [ 331.683841] ? ip6_finish_output2+0xae0/0x2550 [ 331.688416] ? find_held_lock+0x35/0x130 [ 331.692469] ? ip6_finish_output2+0xb7f/0x2550 [ 331.697053] ? mark_held_locks+0xb1/0x100 [ 331.701209] dev_queue_xmit+0x18/0x20 [ 331.704996] ? dev_queue_xmit+0x18/0x20 [ 331.708985] neigh_resolve_output+0x5b7/0x980 [ 331.713498] ip6_finish_output2+0xb7f/0x2550 [ 331.717917] ? ip6_mtu+0x2e6/0x460 [ 331.721450] ? ip6_forward_finish+0x4d0/0x4d0 [ 331.725931] ? lock_downgrade+0x810/0x810 [ 331.730069] ? kasan_check_read+0x11/0x20 [ 331.734225] ip6_finish_output+0x574/0xbe0 [ 331.738447] ? ip6_finish_output+0x574/0xbe0 [ 331.742846] ip6_output+0x235/0x7c0 [ 331.746464] ? ip6_finish_output+0xbe0/0xbe0 [ 331.750863] ? ip6_fragment+0x3770/0x3770 [ 331.754999] ? icmp6_dst_alloc+0x432/0x660 [ 331.759254] mld_sendpack+0x9d3/0xeb0 [ 331.763048] ? nf_hook.constprop.0+0x560/0x560 [ 331.767624] ? mld_ifc_timer_expire+0x437/0x8a0 [ 331.772329] ? __local_bh_enable_ip+0x15a/0x270 [ 331.776987] mld_ifc_timer_expire+0x449/0x8a0 [ 331.781476] call_timer_fn+0x18d/0x720 [ 331.785348] ? mld_dad_timer_expire+0x1c0/0x1c0 [ 331.790004] ? process_timeout+0x40/0x40 [ 331.794051] ? run_timer_softirq+0x647/0x1700 [ 331.798534] ? trace_hardirqs_on+0x67/0x220 [ 331.802845] ? kasan_check_read+0x11/0x20 [ 331.806983] ? mld_dad_timer_expire+0x1c0/0x1c0 [ 331.811641] run_timer_softirq+0x652/0x1700 [ 331.815954] ? add_timer+0xbe0/0xbe0 [ 331.819684] ? kvm_clock_read+0x18/0x30 [ 331.823728] ? check_preemption_disabled+0x48/0x290 [ 331.828751] ? sched_clock+0x2e/0x50 [ 331.832461] __do_softirq+0x25c/0x921 [ 331.836253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.841777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.847326] irq_exit+0x180/0x1d0 [ 331.850767] smp_apic_timer_interrupt+0x13b/0x550 [ 331.855599] apic_timer_interrupt+0xf/0x20 [ 331.859816] [ 331.862040] RIP: 0010:native_safe_halt+0xe/0x10 [ 331.866702] 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 [ 331.885589] RSP: 0018:ffff8880aa27fd00 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 331.893286] RAX: 1ffffffff10e48c4 RBX: ffff8880aa2703c0 RCX: 0000000000000000 [ 331.900540] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880aa270c3c [ 331.907794] RBP: ffff8880aa27fd30 R08: ffff8880aa2703c0 R09: 0000000000000000 [ 331.915159] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 331.922412] R13: ffffffff88724610 R14: 0000000000000001 R15: 0000000000000000 [ 331.929685] ? default_idle+0x4e/0x320 [ 331.933566] arch_cpu_idle+0xa/0x10 [ 331.937178] default_idle_call+0x36/0x90 [ 331.941258] do_idle+0x377/0x560 [ 331.944616] ? arch_cpu_idle_exit+0x80/0x80 [ 331.948923] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 331.954016] ? complete+0x61/0x80 [ 331.957461] cpu_startup_entry+0xc8/0xe0 [ 331.961514] ? cpu_in_idle+0x20/0x20 [ 331.965262] ? setup_APIC_timer+0x1aa/0x200 [ 331.969573] start_secondary+0x3e8/0x5b0 [ 331.973625] ? set_cpu_sibling_map+0x1860/0x1860 [ 331.978394] secondary_startup_64+0xa4/0xb0