Warning: Permanently added '10.128.0.174' (ECDSA) to the list of known hosts. 2019/12/03 18:50:56 fuzzer started 2019/12/03 18:50:58 dialing manager at 10.128.0.26:42111 2019/12/03 18:50:58 syscalls: 2689 2019/12/03 18:50:58 code coverage: enabled 2019/12/03 18:50:58 comparison tracing: enabled 2019/12/03 18:50:58 extra coverage: extra coverage is not supported by the kernel 2019/12/03 18:50:58 setuid sandbox: enabled 2019/12/03 18:50:58 namespace sandbox: enabled 2019/12/03 18:50:58 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 18:50:58 fault injection: enabled 2019/12/03 18:50:58 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 18:50:58 net packet injection: enabled 2019/12/03 18:50:58 net device setup: enabled 2019/12/03 18:50:58 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 18:50:58 devlink PCI setup: PCI device 0000:00:10.0 is not available 18:50:59 executing program 0: semtimedop(0x0, &(0x7f0000000080)=[{}], 0x1, 0x0) 18:50:59 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_mount_image$ntfs(&(0x7f00000001c0)='ntfs\x00', &(0x7f0000000200)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000001840)={[{@dmask={'dmask'}, 0xa}]}) socket$alg(0x26, 0x5, 0x0) bind$alg(0xffffffffffffffff, 0x0, 0x0) accept4(0xffffffffffffffff, 0x0, 0x0, 0x0) syzkaller login: [ 57.291324][ T8271] IPVS: ftp: loaded support on port[0] = 21 [ 57.448207][ T8271] chnl_net:caif_netlink_parms(): no params data found [ 57.482479][ T8274] IPVS: ftp: loaded support on port[0] = 21 [ 57.533350][ T8271] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.554541][ T8271] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.562340][ T8271] device bridge_slave_0 entered promiscuous mode 18:51:00 executing program 2: 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_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x40000080806, 0x0) bind$inet6(r0, &(0x7f0000000200)={0xa, 0x404e20}, 0x1c) listen(r0, 0x400000001ffffffd) r1 = socket$inet6(0xa, 0x6, 0x0) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) sendmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0) [ 57.586203][ T8271] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.593366][ T8271] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.601807][ T8271] device bridge_slave_1 entered promiscuous mode [ 57.671484][ T8271] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.695285][ T8274] chnl_net:caif_netlink_parms(): no params data found [ 57.718447][ T8271] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.776709][ T8271] team0: Port device team_slave_0 added [ 57.777202][ T8277] IPVS: ftp: loaded support on port[0] = 21 [ 57.782795][ T8274] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.796636][ T8274] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.810270][ T8274] device bridge_slave_0 entered promiscuous mode [ 57.819253][ T8271] team0: Port device team_slave_1 added [ 57.836444][ T8274] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.843527][ T8274] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.865000][ T8274] device bridge_slave_1 entered promiscuous mode 18:51:00 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) syz_read_part_table(0x0, 0x1bf, &(0x7f0000000080)=[{&(0x7f0000000000)="0201fdffffff01000000ff070000000000000f0008000000000000000040000000006300000000000000887700720030b5829237c300000000000080000055aa", 0x40, 0x1c0}]) [ 57.966749][ T8271] device hsr_slave_0 entered promiscuous mode [ 57.996017][ T8271] device hsr_slave_1 entered promiscuous mode [ 58.043460][ T8274] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.079238][ T8274] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 18:51:00 executing program 4: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) keyctl$set_reqkey_keyring(0x5, 0xfffffffffffffffd) r2 = add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f0000000080)={'syz'}, 0x0, 0x0, 0xfffffffffffffffb) keyctl$describe(0x6, r2, 0x0, 0x2dc) [ 58.143893][ T8274] team0: Port device team_slave_0 added [ 58.150734][ T8271] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.196354][ T8271] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.298150][ T8274] team0: Port device team_slave_1 added [ 58.308994][ T8277] chnl_net:caif_netlink_parms(): no params data found [ 58.329022][ T8271] netdevsim netdevsim0 netdevsim2: renamed from eth2 18:51:00 executing program 5: madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0x2) [ 58.377917][ T8271] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.456955][ T8282] IPVS: ftp: loaded support on port[0] = 21 [ 58.490431][ T8279] IPVS: ftp: loaded support on port[0] = 21 [ 58.492077][ T8271] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.504057][ T8271] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.511849][ T8271] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.518992][ T8271] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.530724][ T3069] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.540618][ T3069] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.568217][ T8277] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.577593][ T8277] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.585574][ T8277] device bridge_slave_0 entered promiscuous mode [ 58.626041][ T8274] device hsr_slave_0 entered promiscuous mode [ 58.684450][ T8274] device hsr_slave_1 entered promiscuous mode [ 58.734271][ T8274] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.757958][ T8277] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.759072][ T8285] IPVS: ftp: loaded support on port[0] = 21 [ 58.765356][ T8277] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.779037][ T8277] device bridge_slave_1 entered promiscuous mode [ 58.828325][ T8277] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.863212][ T8277] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.889624][ T8274] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.980194][ T8277] team0: Port device team_slave_0 added [ 58.986888][ T8274] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.056671][ T8271] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.071802][ T8277] team0: Port device team_slave_1 added [ 59.090549][ T8274] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.136898][ T8274] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.215800][ T8277] device hsr_slave_0 entered promiscuous mode [ 59.245600][ T8277] device hsr_slave_1 entered promiscuous mode [ 59.284207][ T8277] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.304979][ T8279] chnl_net:caif_netlink_parms(): no params data found [ 59.395845][ T8279] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.402923][ T8279] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.411523][ T8279] device bridge_slave_0 entered promiscuous mode [ 59.422147][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.431144][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.443113][ T8271] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.458405][ T8277] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.495479][ T8279] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.503100][ T8279] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.513143][ T8279] device bridge_slave_1 entered promiscuous mode [ 59.530037][ T8279] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.539288][ T8282] chnl_net:caif_netlink_parms(): no params data found [ 59.572006][ T8277] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.597529][ T8279] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.610258][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.619522][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.628415][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.635518][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.654201][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.662722][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.672466][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.679568][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.687513][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.696179][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.717953][ T8277] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.790531][ T8277] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.868037][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.878084][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.887749][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.896645][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.905651][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.920069][ T8271] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.931758][ T8271] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.945677][ T8282] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.952769][ T8282] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.960774][ T8282] device bridge_slave_0 entered promiscuous mode [ 59.970206][ T8279] team0: Port device team_slave_0 added [ 59.977953][ T8279] team0: Port device team_slave_1 added [ 59.986119][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.996964][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.005804][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.017135][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.025330][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.033583][ T8285] chnl_net:caif_netlink_parms(): no params data found [ 60.047067][ T8282] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.054356][ T8282] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.061992][ T8282] device bridge_slave_1 entered promiscuous mode [ 60.108731][ T8282] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.124531][ T8271] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.156626][ T8279] device hsr_slave_0 entered promiscuous mode [ 60.204592][ T8279] device hsr_slave_1 entered promiscuous mode [ 60.244142][ T8279] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.252138][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.259839][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.268788][ T8282] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.283223][ T8274] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.340052][ T8282] team0: Port device team_slave_0 added [ 60.348420][ T8282] team0: Port device team_slave_1 added [ 60.362261][ T8274] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.369786][ T8285] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.377661][ T8285] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.385382][ T8285] device bridge_slave_0 entered promiscuous mode [ 60.392945][ T8285] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.400783][ T8285] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.408644][ T8285] device bridge_slave_1 entered promiscuous mode [ 60.425180][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.433036][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.471951][ T8279] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 165.503944][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 165.510945][ C1] (detected by 1, t=10502 jiffies, g=6249, q=56) [ 165.517351][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953682-4294943179), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 165.530782][ C1] syz-executor.3 R running task 25056 8279 8278 0x0000400a [ 165.538669][ C1] Call Trace: [ 165.541940][ C1] [ 165.544816][ C1] sched_show_task+0x40f/0x560 [ 165.549577][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 165.554871][ C1] update_process_times+0x12d/0x180 [ 165.560146][ C1] tick_sched_timer+0x263/0x420 [ 165.564988][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.570524][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.575726][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.580754][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.586032][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.591563][ C1] apic_timer_interrupt+0xf/0x20 [ 165.596487][ C1] [ 165.599414][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 165.605555][ C1] Code: 64 02 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 <83> fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 [ 165.625232][ C1] RSP: 0018:ffffc90002146d70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.633628][ C1] RAX: ffffffff81487326 RBX: ffffea000286bc40 RCX: ffff88809517e580 [ 165.641587][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000286bc40 [ 165.649543][ C1] RBP: ffffc90002146d98 R08: dffffc0000000000 R09: fffffbfff12877ed [ 165.657504][ C1] R10: fffffbfff12877ed R11: 0000000000000000 R12: ffff8880907c34a0 [ 165.665463][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809a9594e8 [ 165.673524][ C1] ? mod_memcg_page_state+0x16/0x190 [ 165.678797][ C1] ? mod_memcg_page_state+0x16/0x190 [ 165.684070][ C1] free_thread_stack+0x168/0x590 [ 165.689007][ C1] put_task_stack+0xa3/0x130 [ 165.693674][ C1] finish_task_switch+0x3f1/0x550 [ 165.698691][ C1] __schedule+0x9a8/0xcc0 [ 165.703107][ C1] ? console_unlock+0xe41/0xef0 [ 165.707949][ C1] ? ___preempt_schedule+0x16/0x18 [ 165.713045][ C1] preempt_schedule+0xdb/0x120 [ 165.717798][ C1] ___preempt_schedule+0x16/0x18 [ 165.722740][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 165.727411][ C1] ? vprintk_emit+0x368/0x3a0 [ 165.732079][ C1] vprintk_emit+0x36d/0x3a0 [ 165.736574][ C1] dev_vprintk_emit+0x495/0x513 [ 165.741429][ C1] ? __lock_acquire+0xc75/0x1be0 [ 165.746356][ C1] ? is_bpf_text_address+0x358/0x370 [ 165.751631][ C1] dev_printk_emit+0x6a/0x8c [ 165.756214][ C1] __netdev_printk+0x301/0x3e9 [ 165.760969][ C1] netdev_info+0xb9/0xe4 [ 165.765199][ C1] ? dev_change_name+0x192/0x9b0 [ 165.770127][ C1] dev_change_name+0x8a5/0x9b0 [ 165.774876][ C1] ? rtnetlink_rcv+0x1c/0x20 [ 165.779540][ C1] ? netlink_unicast+0x767/0x920 [ 165.784461][ C1] ? netlink_sendmsg+0xa21/0xd40 [ 165.789382][ C1] ? do_setlink+0x8bf/0x3960 [ 165.794131][ C1] ? do_syscall_64+0xf7/0x1c0 [ 165.798807][ C1] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.804874][ C1] do_setlink+0x8bf/0x3960 [ 165.809286][ C1] ? memset+0x31/0x40 [ 165.813263][ C1] ? __nla_validate_parse+0x18cd/0x1f40 [ 165.818809][ C1] ? __kasan_check_read+0x11/0x20 [ 165.823826][ C1] rtnl_newlink+0x14dd/0x1bd0 [ 165.828493][ C1] ? rtnl_newlink+0x371/0x1bd0 [ 165.833308][ C1] ? __mutex_lock_common+0x1b20/0x2e10 [ 165.839482][ C1] ? rtnetlink_rcv_msg+0x83c/0xd40 [ 165.844622][ C1] ? rtnl_setlink+0x490/0x490 [ 165.849300][ C1] rtnetlink_rcv_msg+0x889/0xd40 [ 165.854251][ C1] ? rcu_lock_release+0x9/0x30 [ 165.859003][ C1] ? rcu_lock_release+0x9/0x30 [ 165.863762][ C1] ? rcu_lock_release+0x9/0x30 [ 165.868547][ C1] netlink_rcv_skb+0x19e/0x3d0 [ 165.873330][ C1] ? rtnetlink_bind+0x80/0x80 [ 165.878030][ C1] rtnetlink_rcv+0x1c/0x20 [ 165.882713][ C1] netlink_unicast+0x767/0x920 [ 165.887507][ C1] netlink_sendmsg+0xa21/0xd40 [ 165.892282][ C1] ? netlink_getsockopt+0x9f0/0x9f0 [ 165.897910][ C1] __sys_sendto+0x442/0x5e0 [ 165.902412][ C1] ? up_read+0x1d/0x20 [ 165.906468][ C1] ? do_user_addr_fault+0x655/0xaf0 [ 165.911665][ C1] ? check_preemption_disabled+0xb4/0x260 [ 165.917540][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.922815][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 165.928276][ C1] __x64_sys_sendto+0xe5/0x100 [ 165.933038][ C1] do_syscall_64+0xf7/0x1c0 [ 165.937533][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.943410][ C1] RIP: 0033:0x414373 [ 165.947319][ C1] Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d fd 40 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff [ 165.966919][ C1] RSP: 002b:00007ffef6e61d68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 165.975321][ C1] RAX: ffffffffffffffda RBX: 0000000000a71da0 RCX: 0000000000414373 [ 165.983366][ C1] RDX: 0000000000000030 RSI: 0000000000a71df0 RDI: 0000000000000005 [ 165.991339][ C1] RBP: 0000000000000000 R08: 00007ffef6e61d70 R09: 000000000000000c [ 165.999300][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 166.007277][ C1] R13: 0000000000000000 R14: 0000000000a71df0 R15: 0000000000000005 [ 166.015310][ C1] rcu: rcu_preempt kthread starved for 10553 jiffies! g6249 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.026397][ C1] rcu: RCU grace-period kthread stack dump: [ 166.032279][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.040168][ C1] Call Trace: [ 166.043454][ C1] __schedule+0x9a0/0xcc0 [ 166.047783][ C1] schedule+0x181/0x210 [ 166.051926][ C1] schedule_timeout+0x14f/0x240 [ 166.056768][ C1] ? run_local_timers+0x120/0x120 [ 166.061787][ C1] rcu_gp_kthread+0xed8/0x1770 [ 166.066573][ C1] kthread+0x332/0x350 [ 166.070650][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 166.075757][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.080340][ C1] ret_from_fork+0x24/0x30