Warning: Permanently added '10.128.0.180' (ECDSA) to the list of known hosts. 2020/01/08 02:10:32 fuzzer started 2020/01/08 02:10:34 dialing manager at 10.128.0.26:35703 2020/01/08 02:10:34 syscalls: 2824 2020/01/08 02:10:34 code coverage: enabled 2020/01/08 02:10:34 comparison tracing: enabled 2020/01/08 02:10:34 extra coverage: enabled 2020/01/08 02:10:34 setuid sandbox: enabled 2020/01/08 02:10:34 namespace sandbox: enabled 2020/01/08 02:10:34 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:10:34 fault injection: enabled 2020/01/08 02:10:34 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:10:34 net packet injection: enabled 2020/01/08 02:10:34 net device setup: enabled 2020/01/08 02:10:34 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:10:34 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:10:35 executing program 0: unshare(0x2040400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) pwrite64(r0, 0x0, 0x0, 0x0) 02:10:35 executing program 1: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000040)={&(0x7f0000000100)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x14, 0x14, 0x2, [@func_proto={0x0, 0x1, 0x0, 0xd, 0x0, [{0x10}]}]}}, &(0x7f00000003c0)=""/219, 0x2e, 0xdb, 0x8}, 0x20) syzkaller login: [ 60.345482][ T8462] IPVS: ftp: loaded support on port[0] = 21 [ 60.480044][ T8462] chnl_net:caif_netlink_parms(): no params data found [ 60.532061][ T8462] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.540296][ T8462] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.549617][ T8462] device bridge_slave_0 entered promiscuous mode [ 60.559841][ T8462] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.568575][ T8462] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.576950][ T8462] device bridge_slave_1 entered promiscuous mode [ 60.601576][ T8462] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.615021][ T8462] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 02:10:35 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000300)={0x0, 0x5}, 0x4) r3 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r3, &(0x7f0000000140)={0xa, 0x0, 0x0, @mcast2, 0x2}, 0x1c) sendmmsg(r3, &(0x7f00000092c0), 0x4ff, 0x0) [ 60.639104][ T8465] IPVS: ftp: loaded support on port[0] = 21 [ 60.639571][ T8462] team0: Port device team_slave_0 added [ 60.653008][ T8462] team0: Port device team_slave_1 added [ 60.719022][ T8462] device hsr_slave_0 entered promiscuous mode [ 60.756304][ T8462] device hsr_slave_1 entered promiscuous mode [ 60.834897][ T8467] IPVS: ftp: loaded support on port[0] = 21 02:10:36 executing program 3: r0 = syz_open_dev$dri(&(0x7f00000001c0)='/dev/dri/card#\x00', 0x1, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0xf22e9877c2fc3afd}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0) ioctl(r0, 0xffffffffffffffc6, &(0x7f0000000040)) [ 61.010021][ T8462] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.068190][ T8462] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.109556][ T8462] netdevsim netdevsim0 netdevsim2: renamed from eth2 02:10:36 executing program 4: r0 = socket$pppoe(0x18, 0x1, 0x0) ioctl$PPPIOCGCHAN(r0, 0x80047437, 0x0) [ 61.180613][ T8465] chnl_net:caif_netlink_parms(): no params data found [ 61.192719][ T8462] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.252291][ T8470] IPVS: ftp: loaded support on port[0] = 21 [ 61.319505][ T8462] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.327191][ T8462] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.335004][ T8462] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.342150][ T8462] bridge0: port 1(bridge_slave_0) entered forwarding state 02:10:36 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r2, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast2, 0x5}, 0x1c) setsockopt$SO_TIMESTAMP(r2, 0x1, 0x28, &(0x7f0000000800)=0xffffffff, 0x4) [ 61.423208][ T8467] chnl_net:caif_netlink_parms(): no params data found [ 61.445472][ T8474] IPVS: ftp: loaded support on port[0] = 21 [ 61.534761][ T2676] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.547636][ T2676] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.578920][ T8465] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.587982][ T8465] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.597248][ T8465] device bridge_slave_0 entered promiscuous mode [ 61.630058][ T8465] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.637778][ T8465] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.645815][ T8465] device bridge_slave_1 entered promiscuous mode [ 61.664975][ T8465] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.674853][ T8467] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.682875][ T8467] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.692156][ T8467] device bridge_slave_0 entered promiscuous mode [ 61.701569][ T8467] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.709158][ T8467] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.717058][ T8467] device bridge_slave_1 entered promiscuous mode [ 61.739970][ T8465] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.740493][ T8477] IPVS: ftp: loaded support on port[0] = 21 [ 61.795924][ T8462] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.823921][ T8465] team0: Port device team_slave_0 added [ 61.834058][ T8467] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.848333][ T8467] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.878471][ T8465] team0: Port device team_slave_1 added [ 61.893942][ T8467] team0: Port device team_slave_0 added [ 61.912206][ T2866] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.920926][ T2866] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.932463][ T8462] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.950764][ T8467] team0: Port device team_slave_1 added [ 61.957199][ T8470] chnl_net:caif_netlink_parms(): no params data found [ 62.028453][ T8465] device hsr_slave_0 entered promiscuous mode [ 62.076108][ T8465] device hsr_slave_1 entered promiscuous mode [ 62.115964][ T8465] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.124199][ T8465] Cannot create hsr debugfs directory [ 62.193803][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.202992][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.211818][ T2676] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.219022][ T2676] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.227755][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.236626][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.245038][ T2676] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.252464][ T2676] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.328884][ T8467] device hsr_slave_0 entered promiscuous mode [ 62.395952][ T8467] device hsr_slave_1 entered promiscuous mode [ 62.466320][ T8467] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.474275][ T8467] Cannot create hsr debugfs directory [ 62.483908][ T8473] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.512377][ T8470] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.520310][ T8470] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.529904][ T8470] device bridge_slave_0 entered promiscuous mode [ 62.538166][ T8470] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.545250][ T8470] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.554265][ T8470] device bridge_slave_1 entered promiscuous mode [ 62.573143][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.599323][ T8474] chnl_net:caif_netlink_parms(): no params data found [ 62.623918][ T8470] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.657854][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.667329][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.676251][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.684829][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.693654][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.703385][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.712211][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.720671][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.728993][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.741872][ T8470] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.807532][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.817793][ T8477] chnl_net:caif_netlink_parms(): no params data found [ 62.838690][ T8470] team0: Port device team_slave_0 added [ 62.845387][ T8474] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.853729][ T8474] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.862048][ T8474] device bridge_slave_0 entered promiscuous mode [ 62.888785][ T8470] team0: Port device team_slave_1 added [ 62.915188][ T8474] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.923896][ T8474] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.934257][ T8474] device bridge_slave_1 entered promiscuous mode [ 62.962511][ T8462] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.977546][ T8467] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 63.018160][ T8467] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 63.068727][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.076471][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.089491][ T8477] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.097756][ T8477] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.107180][ T8477] device bridge_slave_0 entered promiscuous mode [ 63.114375][ T8465] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 63.158858][ T8465] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 63.219055][ T8474] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.228498][ T8467] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 63.261705][ T8467] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 63.321275][ T8477] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.328823][ T8477] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.337241][ T8477] device bridge_slave_1 entered promiscuous mode [ 63.349540][ T8465] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 63.418480][ T8474] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.468159][ T8470] device hsr_slave_0 entered promiscuous mode [ 63.506475][ T8470] device hsr_slave_1 entered promiscuous mode [ 63.577043][ T8470] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.584830][ T8470] Cannot create hsr debugfs directory [ 63.608185][ T8465] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 63.671543][ T8477] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.693502][ T8477] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.708167][ T2866] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.720285][ T2866] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.746467][ T8477] team0: Port device team_slave_0 added [ 63.756328][ T8474] team0: Port device team_slave_0 added [ 63.763622][ T8474] team0: Port device team_slave_1 added [ 63.776571][ T8477] team0: Port device team_slave_1 added [ 63.849422][ T8474] device hsr_slave_0 entered promiscuous mode [ 63.896262][ T8474] device hsr_slave_1 entered promiscuous mode [ 63.945829][ T8474] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.953667][ T8474] Cannot create hsr debugfs directory [ 64.038815][ T8477] device hsr_slave_0 entered promiscuous mode [ 64.066036][ T8477] device hsr_slave_1 entered promiscuous mode [ 64.126005][ T8477] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.133638][ T8477] Cannot create hsr debugfs directory [ 64.141883][ T2866] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.150919][ T2866] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.161914][ T2866] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.170216][ T2866] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.182493][ T8462] device veth0_vlan entered promiscuous mode [ 64.216934][ T8470] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 64.251656][ T8470] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 64.327651][ T8470] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 64.358187][ T8470] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 64.424573][ T8462] device veth1_vlan entered promiscuous mode [ 64.472378][ T8474] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 64.520330][ T8474] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 64.582213][ T8465] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.595129][ T8474] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 64.637926][ T8474] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 169.665570][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 169.672639][ C1] (detected by 1, t=10502 jiffies, g=6417, q=132) [ 169.679135][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954113-4294943610), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 169.692481][ C1] syz-executor.0 R running task 27880 8482 8462 0x0000400a [ 169.700375][ C1] Call Trace: [ 169.703647][ C1] [ 169.706495][ C1] sched_show_task+0x40f/0x560 [ 169.711261][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 169.716547][ C1] update_process_times+0x12d/0x180 [ 169.721739][ C1] tick_sched_timer+0x263/0x420 [ 169.726579][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.732289][ C1] __hrtimer_run_queues+0x403/0x840 [ 169.737492][ C1] hrtimer_interrupt+0x38c/0xda0 [ 169.742437][ C1] ? debug_smp_processor_id+0x9/0x20 [ 169.747719][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 169.753258][ C1] apic_timer_interrupt+0xf/0x20 [ 169.758179][ C1] [ 169.761110][ C1] RIP: 0010:__memcg_kmem_uncharge+0xd/0x1a0 [ 169.766997][ C1] Code: 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 <50> 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 38 4d 89 [ 169.786589][ C1] RSP: 0018:ffffc90002927c38 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 169.795013][ C1] RAX: ffffffff81489244 RBX: ffffea0002472340 RCX: ffff8880904640c0 [ 169.802991][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002472340 [ 169.811009][ C1] RBP: ffffc90002927c60 R08: dffffc0000000000 R09: fffffbfff12c962d [ 169.818993][ C1] R10: fffffbfff12c962d R11: 0000000000000000 R12: ffff88808ea0e4a0 [ 169.826964][ C1] R13: dffffc0000000000 R14: 1ffff11011d41c94 R15: ffff88809f8b9438 [ 169.834975][ C1] ? free_thread_stack+0x124/0x590 [ 169.840211][ C1] ? free_thread_stack+0x124/0x590 [ 169.845319][ C1] free_thread_stack+0x12e/0x590 [ 169.850270][ C1] put_task_stack+0xa3/0x130 [ 169.854874][ C1] finish_task_switch+0x3f1/0x550 [ 169.859906][ C1] __schedule+0x9a8/0xcc0 [ 169.864238][ C1] ? ___preempt_schedule+0x16/0x18 [ 169.869340][ C1] preempt_schedule+0xdb/0x120 [ 169.874098][ C1] ___preempt_schedule+0x16/0x18 [ 169.879039][ C1] ? do_group_exit+0x2a8/0x2b0 [ 169.883798][ C1] _raw_spin_unlock_irq+0x77/0x80 [ 169.888810][ C1] do_group_exit+0x2a8/0x2b0 [ 169.893394][ C1] __do_sys_exit_group+0x17/0x20 [ 169.898323][ C1] __se_sys_exit_group+0x14/0x20 [ 169.903274][ C1] __x64_sys_exit_group+0x3b/0x40 [ 169.908310][ C1] do_syscall_64+0xf7/0x1c0 [ 169.912815][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.918698][ C1] RIP: 0033:0x45af49 [ 169.922599][ C1] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 169.942211][ C1] RSP: 002b:00007fff59f295e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 169.950634][ C1] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 000000000045af49 [ 169.958725][ C1] RDX: 0000000000414ae1 RSI: fffffffffffffff7 RDI: 0000000000000000 [ 169.966701][ C1] RBP: 0000000000000000 R08: ffffffffffffffff R09: 00007fff59f29640 [ 169.974799][ C1] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 169.982797][ C1] R13: 00007fff59f29640 R14: 0000000000000000 R15: 00007fff59f29650 [ 169.990789][ C1] rcu: rcu_preempt kthread starved for 10534 jiffies! g6417 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 170.001904][ C1] rcu: RCU grace-period kthread stack dump: [ 170.007804][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 170.015714][ C1] Call Trace: [ 170.019009][ C1] __schedule+0x9a0/0xcc0 [ 170.023358][ C1] schedule+0x181/0x210 [ 170.027529][ C1] schedule_timeout+0x14f/0x240 [ 170.032390][ C1] ? run_local_timers+0x120/0x120 [ 170.037426][ C1] rcu_gp_kthread+0xed8/0x1770 [ 170.042222][ C1] kthread+0x332/0x350 [ 170.046406][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 170.051524][ C1] ? kthread_blkcg+0xe0/0xe0 [ 170.056129][ C1] ret_from_fork+0x24/0x30