Warning: Permanently added '10.128.0.176' (ECDSA) to the list of known hosts. 2019/12/04 11:47:23 fuzzer started 2019/12/04 11:47:25 dialing manager at 10.128.0.26:36481 2019/12/04 11:47:25 syscalls: 2691 2019/12/04 11:47:25 code coverage: enabled 2019/12/04 11:47:25 comparison tracing: enabled 2019/12/04 11:47:25 extra coverage: extra coverage is not supported by the kernel 2019/12/04 11:47:25 setuid sandbox: enabled 2019/12/04 11:47:25 namespace sandbox: enabled 2019/12/04 11:47:25 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 11:47:25 fault injection: enabled 2019/12/04 11:47:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 11:47:25 net packet injection: enabled 2019/12/04 11:47:25 net device setup: enabled 2019/12/04 11:47:25 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 11:47:25 devlink PCI setup: PCI device 0000:00:10.0 is not available 11:47:26 executing program 0: r0 = socket$kcm(0xa, 0x5, 0x0) sendmsg$kcm(r0, &(0x7f0000000500)={0x0, 0x0, 0x0, 0x0, &(0x7f00000008c0)=[{0x10, 0x84}], 0x10}, 0x0) 11:47:26 executing program 1: unshare(0x400) r0 = socket$inet(0x2, 0x3, 0x84) bind$inet(r0, &(0x7f0000000200)={0x2, 0x0, @dev={0x64}}, 0x10) syzkaller login: [ 57.056386][ T8155] IPVS: ftp: loaded support on port[0] = 21 11:47:26 executing program 2: io_setup(0x6, &(0x7f0000000040)) io_setup(0x8, &(0x7f0000000080)=0x0) io_submit(r0, 0x3fa, &(0x7f0000000040)) [ 57.192104][ T8157] IPVS: ftp: loaded support on port[0] = 21 [ 57.234638][ T8155] chnl_net:caif_netlink_parms(): no params data found [ 57.285528][ T8155] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.294342][ T8155] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.302586][ T8155] device bridge_slave_0 entered promiscuous mode [ 57.313541][ T8155] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.321194][ T8155] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.329470][ T8155] device bridge_slave_1 entered promiscuous mode [ 57.360593][ T8155] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.371435][ T8155] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.397144][ T8155] team0: Port device team_slave_0 added [ 57.408613][ T8155] team0: Port device team_slave_1 added [ 57.464279][ T8157] chnl_net:caif_netlink_parms(): no params data found [ 57.486569][ T8161] IPVS: ftp: loaded support on port[0] = 21 11:47:27 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x70, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x4, 0x4, 0x4, 0xd}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000080)={r1, &(0x7f0000000080), &(0x7f00000000c0)}, 0x20) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000240)) dup3(r0, r1, 0x0) [ 57.510017][ T8155] device hsr_slave_0 entered promiscuous mode [ 57.578455][ T8155] device hsr_slave_1 entered promiscuous mode 11:47:27 executing program 4: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @multicast1}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000480)={0x1, &(0x7f0000000400)=[{0x6, 0x0, 0x0, 0x3}]}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x2800878d, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) sendto$inet(r0, &(0x7f00000012c0)=' ', 0x1, 0x0, 0x0, 0x0) [ 57.750043][ T8155] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.809626][ T8155] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.849312][ T8157] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.856401][ T8157] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.878916][ T8157] device bridge_slave_0 entered promiscuous mode [ 57.898278][ T8157] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.905325][ T8157] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.927812][ T8157] device bridge_slave_1 entered promiscuous mode 11:47:27 executing program 5: r0 = syz_init_net_socket$rose(0xb, 0x5, 0x0) ioctl$sock_inet_SIOCGIFNETMASK(r0, 0x8916, 0x0) [ 57.957560][ T8155] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.965054][ T8163] IPVS: ftp: loaded support on port[0] = 21 [ 57.979371][ T8155] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.045126][ T8166] IPVS: ftp: loaded support on port[0] = 21 [ 58.094198][ T8157] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.121364][ T8157] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.139571][ T8161] chnl_net:caif_netlink_parms(): no params data found [ 58.158277][ T8155] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.165450][ T8155] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.165847][ T8155] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.177500][ T8169] IPVS: ftp: loaded support on port[0] = 21 [ 58.179791][ T8155] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.223380][ T8157] team0: Port device team_slave_0 added [ 58.241861][ T8161] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.249888][ T8161] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.257826][ T8161] device bridge_slave_0 entered promiscuous mode [ 58.266629][ T8161] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.273963][ T8161] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.281643][ T8161] device bridge_slave_1 entered promiscuous mode [ 58.291414][ T8157] team0: Port device team_slave_1 added [ 58.309022][ T8161] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.328867][ T2952] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.336782][ T2952] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.440284][ T8157] device hsr_slave_0 entered promiscuous mode [ 58.497848][ T8157] device hsr_slave_1 entered promiscuous mode [ 58.537418][ T8157] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.551534][ T8161] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.623659][ T8161] team0: Port device team_slave_0 added [ 58.645817][ T8157] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.700170][ T8157] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.740340][ T8161] team0: Port device team_slave_1 added [ 58.768335][ T8157] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.820087][ T8157] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.864694][ T8155] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.872944][ T8163] chnl_net:caif_netlink_parms(): no params data found [ 58.887120][ T8166] chnl_net:caif_netlink_parms(): no params data found [ 58.942124][ T8155] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.000115][ T8161] device hsr_slave_0 entered promiscuous mode [ 59.067548][ T8161] device hsr_slave_1 entered promiscuous mode [ 59.119568][ T8161] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.134774][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.143565][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.151641][ T8166] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.159269][ T8166] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.166787][ T8166] device bridge_slave_0 entered promiscuous mode [ 59.193481][ T8163] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.201227][ T8163] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.209177][ T8163] device bridge_slave_0 entered promiscuous mode [ 59.232699][ T8166] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.242319][ T8166] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.249998][ T8166] device bridge_slave_1 entered promiscuous mode [ 59.268497][ T8163] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.275698][ T8163] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.285652][ T8163] device bridge_slave_1 entered promiscuous mode [ 59.308424][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.318037][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.326396][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.333601][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.341497][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.350231][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.358743][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.365781][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.373394][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.382154][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.402657][ T8166] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.421849][ T8169] chnl_net:caif_netlink_parms(): no params data found [ 59.452933][ T8166] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.478373][ T8166] team0: Port device team_slave_0 added [ 59.485568][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.496759][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.523394][ T8163] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.534758][ T8166] team0: Port device team_slave_1 added [ 59.552250][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.561762][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.570893][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.580056][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.588709][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.599167][ T8169] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.606310][ T8169] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.614264][ T8169] device bridge_slave_0 entered promiscuous mode [ 59.623181][ T8169] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.630441][ T8169] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.639297][ T8169] device bridge_slave_1 entered promiscuous mode [ 59.646299][ T8161] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.690304][ T8163] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.749215][ T8166] device hsr_slave_0 entered promiscuous mode [ 59.788527][ T8166] device hsr_slave_1 entered promiscuous mode [ 59.827429][ T8166] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.847777][ T8161] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.885662][ T8161] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.941912][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.950302][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.973226][ T8163] team0: Port device team_slave_0 added [ 59.984107][ T8161] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.051273][ T8169] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.062357][ T8163] team0: Port device team_slave_1 added [ 60.093138][ T8169] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.103235][ T8155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.115545][ T8166] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.172645][ T8169] team0: Port device team_slave_0 added [ 60.184530][ T8169] team0: Port device team_slave_1 added [ 60.197516][ T8166] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.252010][ T8166] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.291588][ T8157] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.338908][ T8163] device hsr_slave_0 entered promiscuous mode [ 60.377513][ T8163] device hsr_slave_1 entered promiscuous mode [ 60.447391][ T8163] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.467017][ T8155] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.475585][ T8166] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.511291][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.519108][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.573024][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.589598][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.620664][ T8169] device hsr_slave_0 entered promiscuous mode [ 60.667714][ T8169] device hsr_slave_1 entered promiscuous mode [ 60.707373][ T8169] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.716180][ T8157] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.747473][ T8163] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.799485][ T8163] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 165.797204][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.803982][ C0] rcu: 0-...!: (10500 ticks this GP) idle=372/1/0x4000000000000002 softirq=9854/9854 fqs=6 [ 165.814277][ C0] (t=10502 jiffies g=6097 q=147) [ 165.819335][ C0] rcu: rcu_preempt kthread starved for 10491 jiffies! g6097 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.830457][ C0] rcu: RCU grace-period kthread stack dump: [ 165.836342][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 165.844233][ C0] Call Trace: [ 165.847522][ C0] __schedule+0x9a0/0xcc0 [ 165.851885][ C0] schedule+0x181/0x210 [ 165.856035][ C0] schedule_timeout+0x14f/0x240 [ 165.860896][ C0] ? run_local_timers+0x120/0x120 [ 165.865940][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.870715][ C0] kthread+0x332/0x350 [ 165.874773][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.879888][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.884493][ C0] ret_from_fork+0x24/0x30 [ 165.888915][ C0] NMI backtrace for cpu 0 [ 165.893237][ C0] CPU: 0 PID: 358 Comm: kworker/u4:4 Not tainted 5.4.0-syzkaller #0 [ 165.901194][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.911256][ C0] Workqueue: events_unbound fsnotify_connector_destroy_workfn [ 165.918697][ C0] Call Trace: [ 165.921967][ C0] [ 165.924808][ C0] dump_stack+0x1fb/0x318 [ 165.929128][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.933966][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.940121][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.946172][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.952141][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.958020][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.963123][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.968311][ C0] ? trace_hardirqs_off+0x74/0x80 [ 165.973327][ C0] update_process_times+0x12d/0x180 [ 165.978516][ C0] tick_sched_timer+0x263/0x420 [ 165.983351][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.988886][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.994084][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.999025][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.004312][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.009849][ C0] apic_timer_interrupt+0xf/0x20 [ 166.014769][ C0] [ 166.017697][ C0] RIP: 0010:free_thread_stack+0x16d/0x590 [ 166.023401][ C0] Code: c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 25 a0 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 09 a0 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 166.043156][ C0] RSP: 0018:ffffc900021f7908 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.051629][ C0] RAX: ffffffff81487433 RBX: ffff88809835c408 RCX: ffff8880a9b8c2c0 [ 166.059605][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00025349c0 [ 166.067571][ C0] RBP: ffffc900021f7940 R08: 000000000003a728 R09: ffffed10146cbeb7 [ 166.075620][ C0] R10: ffffed10146cbeb7 R11: 0000000000000000 R12: ffff88809835c4a0 [ 166.083582][ C0] R13: dffffc0000000000 R14: 1ffff1101306b894 R15: ffff8880a365f5a8 [ 166.091559][ C0] ? mod_memcg_page_state+0x123/0x190 [ 166.096930][ C0] ? free_thread_stack+0x168/0x590 [ 166.102034][ C0] put_task_stack+0xa3/0x130 [ 166.106616][ C0] finish_task_switch+0x3f1/0x550 [ 166.111641][ C0] __schedule+0x9a8/0xcc0 [ 166.115994][ C0] ? ___preempt_schedule+0x16/0x18 [ 166.121113][ C0] preempt_schedule+0xdb/0x120 [ 166.125871][ C0] ___preempt_schedule+0x16/0x18 [ 166.130812][ C0] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 166.136449][ C0] __call_srcu+0x7ab/0xb00 [ 166.140878][ C0] __synchronize_srcu+0x1cf/0x260 [ 166.145913][ C0] ? rcu_read_lock_any_held+0x1a0/0x1a0 [ 166.151459][ C0] synchronize_srcu+0x2cb/0x2f0 [ 166.156321][ C0] fsnotify_connector_destroy_workfn+0x44/0xb0 [ 166.162477][ C0] process_one_work+0x7ef/0x10d0 [ 166.167420][ C0] worker_thread+0xc01/0x1630 [ 166.172106][ C0] kthread+0x332/0x350 [ 166.176159][ C0] ? rcu_lock_release+0x30/0x30 [ 166.180994][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.185581][ C0] ret_from_fork+0x24/0x30