[ 71.893131][ T26] audit: type=1800 audit(1567786130.195:32): pid=10177 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0
Starting mcstransd:
[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
Debian GNU/Linux 7 syzkaller ttyS0
syzkaller login: [ 76.267549][ T26] kauditd_printk_skb: 2 callbacks suppressed
[ 76.267562][ T26] audit: type=1400 audit(1567786134.665:35): avc: denied { map } for pid=10355 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 '10.128.0.173' (ECDSA) to the list of known hosts.
[ 246.440545][ T26] audit: type=1400 audit(1567786304.845:36): avc: denied { map } for pid=10367 comm="syz-executor360" path="/root/syz-executor360641163" 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
[ 246.469227][T10368] IPVS: ftp: loaded support on port[0] = 21
[ 246.511246][T10368] chnl_net:caif_netlink_parms(): no params data found
[ 246.533567][T10368] bridge0: port 1(bridge_slave_0) entered blocking state
[ 246.540716][T10368] bridge0: port 1(bridge_slave_0) entered disabled state
[ 246.548214][T10368] device bridge_slave_0 entered promiscuous mode
[ 246.555537][T10368] bridge0: port 2(bridge_slave_1) entered blocking state
[ 246.562669][T10368] bridge0: port 2(bridge_slave_1) entered disabled state
[ 246.570192][T10368] device bridge_slave_1 entered promiscuous mode
[ 246.583847][T10368] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 246.594329][T10368] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 246.610268][T10368] team0: Port device team_slave_0 added
[ 246.616689][T10368] team0: Port device team_slave_1 added
[ 246.700034][T10368] device hsr_slave_0 entered promiscuous mode
[ 246.748824][T10368] device hsr_slave_1 entered promiscuous mode
[ 246.813777][T10368] bridge0: port 2(bridge_slave_1) entered blocking state
[ 246.820889][T10368] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 246.828147][T10368] bridge0: port 1(bridge_slave_0) entered blocking state
[ 246.835320][T10368] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 246.860459][T10368] 8021q: adding VLAN 0 to HW filter on device bond0
[ 246.871019][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 246.890175][ T17] bridge0: port 1(bridge_slave_0) entered disabled state
[ 246.897523][ T17] bridge0: port 2(bridge_slave_1) entered disabled state
[ 246.905770][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 246.915754][T10368] 8021q: adding VLAN 0 to HW filter on device team0
[ 246.924995][ T2992] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 246.933458][ T2992] bridge0: port 1(bridge_slave_0) entered blocking state
[ 246.940516][ T2992] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 246.950458][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 246.959014][ T17] bridge0: port 2(bridge_slave_1) entered blocking state
[ 246.966039][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 246.984167][T10368] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 246.994691][T10368] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 247.006774][ T2992] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 247.015535][ T2992] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 247.024019][ T2992] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 247.032571][ T2992] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 247.040850][ T2992] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 247.048307][ T2992] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
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[ 247.062198][T10368] 8021q: adding VLAN 0 to HW filter on device batadv0
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[ 352.478418][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 352.485074][ C0] rcu: 0-...!: (10500 ticks this GP) idle=c4e/1/0x4000000000000002 softirq=10445/10445 fqs=0
[ 352.495369][ C0] (t=10500 jiffies g=10669 q=248)
[ 352.500456][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g10669 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
[ 352.511794][ C0] rcu: RCU grace-period kthread stack dump:
[ 352.517659][ C0] rcu_preempt I29392 10 2 0x80004000
[ 352.523982][ C0] Call Trace:
[ 352.527332][ C0] __schedule+0x755/0x1580
[ 352.531730][ C0] ? __sched_text_start+0x8/0x8
[ 352.536560][ C0] schedule+0xd9/0x260
[ 352.540619][ C0] schedule_timeout+0x486/0xc50
[ 352.545446][ C0] ? rwlock_bug.part.0+0x90/0x90
[ 352.550358][ C0] ? usleep_range+0x170/0x170
[ 352.555011][ C0] ? trace_hardirqs_on+0x67/0x240
[ 352.560011][ C0] ? __kasan_check_read+0x11/0x20
[ 352.565024][ C0] ? __next_timer_interrupt+0x1a0/0x1a0
[ 352.570558][ C0] ? swake_up_one+0x60/0x60
[ 352.575035][ C0] ? trace_hardirqs_on+0x67/0x240
[ 352.580045][ C0] rcu_gp_kthread+0x9b2/0x18c0
[ 352.584786][ C0] ? rcu_barrier+0x310/0x310
[ 352.589348][ C0] ? trace_hardirqs_on+0x67/0x240
[ 352.594346][ C0] ? __kasan_check_read+0x11/0x20
[ 352.599349][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 352.605589][ C0] ? __kthread_parkme+0x108/0x1c0
[ 352.610589][ C0] ? __kasan_check_read+0x11/0x20
[ 352.615604][ C0] kthread+0x361/0x430
[ 352.619648][ C0] ? rcu_barrier+0x310/0x310
[ 352.624213][ C0] ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 352.630522][ C0] ret_from_fork+0x24/0x30
[ 352.634939][ C0] NMI backtrace for cpu 0
[ 352.639247][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.3.0-rc7+ #0
[ 352.646500][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 352.656546][ C0] Call Trace:
[ 352.659807][ C0]
[ 352.662708][ C0] dump_stack+0x172/0x1f0
[ 352.667019][ C0] nmi_cpu_backtrace.cold+0x70/0xb2
[ 352.672198][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 352.678418][ C0] ? lapic_can_unplug_cpu.cold+0x45/0x45
[ 352.684045][ C0] nmi_trigger_cpumask_backtrace+0x23b/0x28b
[ 352.690003][ C0] arch_trigger_cpumask_backtrace+0x14/0x20
[ 352.695875][ C0] rcu_dump_cpu_stacks+0x183/0x1cf
[ 352.700967][ C0] rcu_sched_clock_irq.cold+0x4dd/0xc13
[ 352.706490][ C0] ? raise_softirq+0x138/0x340
[ 352.711251][ C0] update_process_times+0x32/0x80
[ 352.716251][ C0] tick_sched_handle+0xa2/0x190
[ 352.721077][ C0] tick_sched_timer+0x53/0x140
[ 352.725831][ C0] __hrtimer_run_queues+0x364/0xe40
[ 352.731009][ C0] ? tick_sched_do_timer+0x1b0/0x1b0
[ 352.736275][ C0] ? hrtimer_start_range_ns+0xcb0/0xcb0
[ 352.741812][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 352.747518][ C0] ? ktime_get_update_offsets_now+0x2d3/0x440
[ 352.753563][ C0] hrtimer_interrupt+0x314/0x770
[ 352.758489][ C0] smp_apic_timer_interrupt+0x160/0x610
[ 352.764028][ C0] apic_timer_interrupt+0xf/0x20
[ 352.768938][ C0]
[ 352.771876][ C0] RIP: 0010:write_comp_data+0x68/0x70
[ 352.777247][ C0] Code: 00 00 4e 8d 14 dd 28 00 00 00 4d 39 d0 72 1b 49 83 c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 0f 1f 80 00 00 00 00 55 40 0f b6 d6 40 0f b6 f7 31 ff 48 89 e5
[ 352.796847][ C0] RSP: 0018:ffff8880a98be990 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13
[ 352.805237][ C0] RAX: 0000000000000301 RBX: ffff88808c6eb0b8 RCX: ffffffff85c64b39
[ 352.813184][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 352.821131][ C0] RBP: ffff8880a98be998 R08: ffff8880a98b2240 R09: 0000000000000000
[ 352.829080][ C0] R10: fffffbfff134af8f R11: ffff8880a98b2240 R12: dffffc0000000000
[ 352.837029][ C0] R13: ffff88808c6eadc0 R14: ffff88808c6eb150 R15: 0000000000000000
[ 352.845067][ C0] ? hhf_dequeue+0xb9/0xa20
[ 352.849556][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 352.855773][ C0] hhf_dequeue+0xb9/0xa20
[ 352.860130][ C0] __qdisc_run+0x1e7/0x19d0
[ 352.864634][ C0] ? dev_queue_xmit+0x18/0x20
[ 352.869392][ C0] __dev_queue_xmit+0x16f1/0x3650
[ 352.874394][ C0] ? process_backlog+0x206/0x750
[ 352.879305][ C0] ? net_rx_action+0x4d6/0x1030
[ 352.884130][ C0] ? __do_softirq+0x262/0x98c
[ 352.888787][ C0] ? run_ksoftirqd+0x8e/0x110
[ 352.893450][ C0] ? smpboot_thread_fn+0x6a3/0xa40
[ 352.898550][ C0] ? netdev_core_pick_tx+0x2f0/0x2f0
[ 352.903816][ C0] ? quarantine_put+0x11c/0x1c0
[ 352.908646][ C0] ? trace_hardirqs_on+0x67/0x240
[ 352.913693][ C0] ? __skb_ext_put+0xd9/0x210
[ 352.918346][ C0] dev_queue_xmit+0x18/0x20
[ 352.922828][ C0] ? dev_queue_xmit+0x18/0x20
[ 352.927501][ C0] br_dev_queue_push_xmit+0x3f3/0x5c0
[ 352.932873][ C0] ? __skb_ext_del+0xb0/0x2c0
[ 352.937542][ C0] ? lock_downgrade+0x920/0x920
[ 352.942447][ C0] br_nf_dev_queue_xmit+0x34e/0x1470
[ 352.947718][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 352.953421][ C0] br_nf_post_routing+0x1502/0x1d30
[ 352.958608][ C0] ? br_nf_dev_queue_xmit+0x1470/0x1470
[ 352.964152][ C0] ? mark_held_locks+0xf0/0xf0
[ 352.968896][ C0] ? nf_bridge_update_protocol+0x1d0/0x1d0
[ 352.974681][ C0] ? __kasan_kmalloc.constprop.0+0xcf/0xe0
[ 352.980531][ C0] nf_hook_slow+0xbc/0x1e0
[ 352.984931][ C0] br_forward_finish+0x215/0x400
[ 352.989845][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0
[ 352.995379][ C0] ? br_fdb_add.cold+0x8c/0x8c
[ 353.000156][ C0] ? ip_vs_out+0x244/0x1700
[ 353.004652][ C0] ? selinux_ip_forward+0x1a5/0x4e0
[ 353.009841][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 353.015551][ C0] ? nf_hook_slow+0xf0/0x1e0
[ 353.020125][ C0] br_nf_hook_thresh+0x2e9/0x370
[ 353.025044][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0
[ 353.030579][ C0] ? setup_pre_routing+0x4b0/0x4b0
[ 353.035668][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0
[ 353.041188][ C0] ? br_nf_forward_finish+0x176/0xa90
[ 353.046538][ C0] ? __sanitizer_cov_trace_switch+0x49/0x80
[ 353.052406][ C0] br_nf_forward_finish+0x66c/0xa90
[ 353.057589][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0
[ 353.063170][ C0] br_nf_forward_ip+0xc74/0x21e0
[ 353.068085][ C0] ? br_nf_forward_arp+0x1670/0x1670
[ 353.073346][ C0] ? mark_held_locks+0xf0/0xf0
[ 353.078088][ C0] ? br_nf_hook_thresh+0x370/0x370
[ 353.083185][ C0] ? __vlan_flush+0x120/0x120
[ 353.087853][ C0] nf_hook_slow+0xbc/0x1e0
[ 353.092246][ C0] __br_forward+0x393/0xb00
[ 353.096729][ C0] ? br_forward_finish+0x400/0x400
[ 353.101818][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0
[ 353.107340][ C0] deliver_clone+0x61/0xc0
[ 353.111735][ C0] br_flood+0x325/0x3d0
[ 353.115872][ C0] br_handle_frame_finish+0xb46/0x1670
[ 353.121308][ C0] ? br_handle_local_finish+0x20/0x20
[ 353.126655][ C0] ? audit_alloc_mark+0x3d0/0x500
[ 353.131660][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 353.137365][ C0] ? nf_hook_slow+0xf0/0x1e0
[ 353.141935][ C0] br_nf_hook_thresh+0x2e9/0x370
[ 353.146936][ C0] ? br_handle_local_finish+0x20/0x20
[ 353.152283][ C0] ? setup_pre_routing+0x4b0/0x4b0
[ 353.157371][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 353.163588][ C0] ? br_handle_local_finish+0x20/0x20
[ 353.168938][ C0] ? __sanitizer_cov_trace_switch+0x49/0x80
[ 353.174806][ C0] ? __sanitizer_cov_trace_switch+0x49/0x80
[ 353.180688][ C0] br_nf_pre_routing_finish_ipv6+0x6fb/0xd80
[ 353.186646][ C0] ? br_handle_local_finish+0x20/0x20
[ 353.192008][ C0] br_nf_pre_routing_ipv6+0x456/0x832
[ 353.197354][ C0] ? br_validate_ipv6+0xb80/0xb80
[ 353.202356][ C0] ? br_nf_pre_routing_finish.cold+0x124/0x124
[ 353.208484][ C0] ? br_nf_pre_routing+0x246/0x2355
[ 353.213666][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 353.219880][ C0] ? skb_pull_rcsum+0x155/0x300
[ 353.224706][ C0] br_nf_pre_routing+0x1743/0x2355
[ 353.229796][ C0] ? br_nf_pre_routing_finish+0x1730/0x1730
[ 353.235670][ C0] ? br_nf_pre_routing_finish+0x1730/0x1730
[ 353.241547][ C0] br_handle_frame+0x806/0x133e
[ 353.246377][ C0] ? br_handle_frame_finish+0x1670/0x1670
[ 353.252071][ C0] ? stack_trace_consume_entry+0x190/0x190
[ 353.257855][ C0] ? br_handle_local_finish+0x20/0x20
[ 353.263206][ C0] ? cpumask_test_cpu.constprop.0+0x60/0x60
[ 353.269077][ C0] ? save_stack+0x5c/0x90
[ 353.273381][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 353.279595][ C0] ? br_handle_frame_finish+0x1670/0x1670
[ 353.285291][ C0] __netif_receive_skb_core+0xfc1/0x3060
[ 353.290902][ C0] ? __do_softirq+0x262/0x98c
[ 353.295554][ C0] ? run_ksoftirqd+0x8e/0x110
[ 353.300215][ C0] ? smpboot_thread_fn+0x6a3/0xa40
[ 353.305304][ C0] ? kthread+0x361/0x430
[ 353.309520][ C0] ? ret_from_fork+0x24/0x30
[ 353.314089][ C0] ? __free_object+0x5a0/0x1030
[ 353.318917][ C0] ? do_xdp_generic+0x50/0x50
[ 353.323575][ C0] ? __kasan_check_write+0x14/0x20
[ 353.328666][ C0] ? lock_downgrade+0x920/0x920
[ 353.333502][ C0] ? rwlock_bug.part.0+0x90/0x90
[ 353.338420][ C0] ? debug_check_no_obj_freed+0xc0/0x43f
[ 353.344035][ C0] ? __kasan_check_read+0x11/0x20
[ 353.349035][ C0] ? __update_load_avg_se+0x726/0xbc0
[ 353.354385][ C0] __netif_receive_skb_one_core+0xa8/0x1a0
[ 353.360178][ C0] ? __netif_receive_skb_one_core+0xa8/0x1a0
[ 353.366131][ C0] ? __kasan_check_write+0x14/0x20
[ 353.371218][ C0] ? __netif_receive_skb_core+0x3060/0x3060
[ 353.377086][ C0] ? lock_acquire+0x190/0x410
[ 353.381747][ C0] ? process_backlog+0x195/0x750
[ 353.386659][ C0] __netif_receive_skb+0x2c/0x1d0
[ 353.391658][ C0] process_backlog+0x206/0x750
[ 353.396399][ C0] net_rx_action+0x4d6/0x1030
[ 353.401067][ C0] ? napi_complete_done+0x4b0/0x4b0
[ 353.406250][ C0] ? sched_clock+0x2e/0x50
[ 353.410655][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 353.416883][ C0] __do_softirq+0x262/0x98c
[ 353.421374][ C0] ? takeover_tasklets+0x820/0x820
[ 353.426459][ C0] run_ksoftirqd+0x8e/0x110
[ 353.430939][ C0] smpboot_thread_fn+0x6a3/0xa40
[ 353.435855][ C0] ? smpboot_register_percpu_thread+0x390/0x390
[ 353.442070][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 353.448283][ C0] ? __kthread_parkme+0x108/0x1c0
[ 353.453292][ C0] ? __kasan_check_read+0x11/0x20
[ 353.458290][ C0] kthread+0x361/0x430
[ 353.462336][ C0] ? smpboot_register_percpu_thread+0x390/0x390
[ 353.468552][ C0] ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 353.474771][ C0] ret_from_fork+0x24/0x30