Warning: Permanently added '10.128.15.205' (ECDSA) to the list of known hosts. 2019/12/03 12:21:10 fuzzer started 2019/12/03 12:21:12 dialing manager at 10.128.0.26:45711 2019/12/03 12:21:12 syscalls: 2689 2019/12/03 12:21:12 code coverage: enabled 2019/12/03 12:21:12 comparison tracing: enabled 2019/12/03 12:21:12 extra coverage: extra coverage is not supported by the kernel 2019/12/03 12:21:12 setuid sandbox: enabled 2019/12/03 12:21:12 namespace sandbox: enabled 2019/12/03 12:21:12 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 12:21:12 fault injection: enabled 2019/12/03 12:21:12 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 12:21:12 net packet injection: enabled 2019/12/03 12:21:12 net device setup: enabled 2019/12/03 12:21:12 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 12:21:12 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:21:13 executing program 0: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f00005f5000)={0x0, 0x0, &(0x7f00008feff0)={&(0x7f00001dcf48)={0x2, 0x5, 0x0, 0x0, 0xc, 0x0, 0x0, 0x0, [@sadb_address={0x3, 0x6, 0x0, 0x0, 0x0, @in={0x2, 0x0, @broadcast}}, @sadb_sa={0x2}, @sadb_address={0x5, 0x5, 0x0, 0x0, 0x0, @in6={0xa, 0x0, 0x0, @rand_addr="93f427e14ad0ca3f47efc2123062b761"}}]}, 0x60}}, 0x0) 12:21:13 executing program 1: r0 = syz_init_net_socket$rose(0xb, 0x5, 0x0) ioctl$sock_inet_SIOCSIFBRDADDR(r0, 0x8917, 0x0) syzkaller login: [ 54.814771][ T8081] IPVS: ftp: loaded support on port[0] = 21 [ 54.918720][ T8083] IPVS: ftp: loaded support on port[0] = 21 12:21:13 executing program 2: r0 = socket$inet6(0xa, 0x5, 0x0) bind$inet6(r0, &(0x7f00000011c0)={0xa, 0x0, 0x0, @rand_addr="00000000000073000000000200"}, 0x1c) [ 54.990295][ T8081] chnl_net:caif_netlink_parms(): no params data found [ 55.075475][ T8081] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.097281][ T8081] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.105995][ T8081] device bridge_slave_0 entered promiscuous mode [ 55.142239][ T8081] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.149836][ T8081] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.167622][ T8081] device bridge_slave_1 entered promiscuous mode [ 55.184850][ T8083] chnl_net:caif_netlink_parms(): no params data found [ 55.201559][ T8081] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.219822][ T8087] IPVS: ftp: loaded support on port[0] = 21 [ 55.233072][ T8081] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.256017][ T8083] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.263947][ T8083] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.271993][ T8083] device bridge_slave_0 entered promiscuous mode [ 55.300898][ T8083] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.310335][ T8083] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.318434][ T8083] device bridge_slave_1 entered promiscuous mode [ 55.326906][ T8081] team0: Port device team_slave_0 added 12:21:13 executing program 3: r0 = socket(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f00000001c0)={0x7ff}, 0x1f8) write(r0, &(0x7f000018efdc)="1400000052001f0214f9f4070009040081000710", 0x14) recvmmsg(r0, &(0x7f0000005c80)=[{{0x0, 0x36e, 0x0}}], 0x40000000000010a, 0x4ec, 0x0) [ 55.371138][ T8081] team0: Port device team_slave_1 added [ 55.402584][ T8083] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.433492][ T8083] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.490664][ T8081] device hsr_slave_0 entered promiscuous mode 12:21:14 executing program 4: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$kcm(0x2, 0x1000000000000002, 0x0) sendmsg$kcm(r1, &(0x7f0000003d00)={&(0x7f0000000380)=@in={0x2, 0x4e23, @local}, 0x80, 0x0}, 0xfd00) close(r1) [ 55.539236][ T8081] device hsr_slave_1 entered promiscuous mode [ 55.659517][ T8089] IPVS: ftp: loaded support on port[0] = 21 [ 55.737989][ T8083] team0: Port device team_slave_0 added [ 55.760230][ T8081] netdevsim netdevsim0 netdevsim0: renamed from eth0 12:21:14 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) clock_settime(0x30bf6894b898255a, &(0x7f0000000400)) [ 55.835637][ T8083] team0: Port device team_slave_1 added [ 55.850391][ T8081] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.900812][ T8081] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.979277][ T8081] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.020997][ T8087] chnl_net:caif_netlink_parms(): no params data found [ 56.090349][ T8083] device hsr_slave_0 entered promiscuous mode [ 56.127558][ T8083] device hsr_slave_1 entered promiscuous mode [ 56.197295][ T8083] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.209814][ T8092] IPVS: ftp: loaded support on port[0] = 21 [ 56.225028][ T8094] IPVS: ftp: loaded support on port[0] = 21 [ 56.246805][ T8087] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.254745][ T8087] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.262316][ T8087] device bridge_slave_0 entered promiscuous mode [ 56.287212][ T8087] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.294264][ T8087] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.303748][ T8087] device bridge_slave_1 entered promiscuous mode [ 56.334095][ T8087] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.346660][ T8087] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.386249][ T8083] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.465100][ T8087] team0: Port device team_slave_0 added [ 56.474013][ T8087] team0: Port device team_slave_1 added [ 56.479841][ T8083] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.509933][ T8083] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.548890][ T8083] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.614900][ T8089] chnl_net:caif_netlink_parms(): no params data found [ 56.680511][ T8087] device hsr_slave_0 entered promiscuous mode [ 56.717463][ T8087] device hsr_slave_1 entered promiscuous mode [ 56.787321][ T8087] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.834912][ T8087] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.917278][ T8089] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.924344][ T8089] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.932349][ T8089] device bridge_slave_0 entered promiscuous mode [ 56.943256][ T8087] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.992545][ T8087] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.061506][ T8089] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.069980][ T8089] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.077732][ T8089] device bridge_slave_1 entered promiscuous mode [ 57.096987][ T8081] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.105448][ T8087] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.149120][ T8094] chnl_net:caif_netlink_parms(): no params data found [ 57.177659][ T8089] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.205328][ T8081] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.225396][ T8089] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.241683][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.250895][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.260298][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.268776][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.276991][ T3030] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.284142][ T3030] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.293717][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.311472][ T8083] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.319996][ T8092] chnl_net:caif_netlink_parms(): no params data found [ 57.341475][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.349963][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.358431][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.365458][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.386334][ T8083] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.403716][ T8089] team0: Port device team_slave_0 added [ 57.420708][ T8094] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.428472][ T8094] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.435919][ T8094] device bridge_slave_0 entered promiscuous mode [ 57.443729][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.452250][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.459880][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.468461][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.476881][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.485455][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.514493][ T8089] team0: Port device team_slave_1 added [ 57.521806][ T8094] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.529335][ T8094] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.536836][ T8094] device bridge_slave_1 entered promiscuous mode [ 57.545690][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.554441][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.563057][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.571369][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.578447][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.585920][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.594582][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.603262][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.610324][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.617877][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.626181][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.634593][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.643045][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.652345][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.660092][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.669075][ T8092] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.676113][ T8092] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.684244][ T8092] device bridge_slave_0 entered promiscuous mode [ 57.692249][ T8092] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.699390][ T8092] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.706912][ T8092] device bridge_slave_1 entered promiscuous mode [ 57.734253][ T8094] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.790653][ T8089] device hsr_slave_0 entered promiscuous mode [ 57.827600][ T8089] device hsr_slave_1 entered promiscuous mode [ 57.867361][ T8089] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.876145][ T8092] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.886747][ T8094] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.903780][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.912174][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.920921][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.929469][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.943454][ T8081] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 57.954609][ T8081] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.988687][ T8092] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.019263][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.027610][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.035952][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.044669][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.053038][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.091863][ T8092] team0: Port device team_slave_0 added [ 58.099429][ T8094] team0: Port device team_slave_0 added [ 58.106432][ T8092] team0: Port device team_slave_1 added [ 58.117375][ T8083] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.128431][ T8083] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.140147][ T8089] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.190206][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.200153][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.210132][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.218514][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.226713][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.236459][ T8094] team0: Port device team_slave_1 added [ 58.259894][ T8089] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.309879][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.317544][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.329083][ T8081] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.370087][ T8094] device hsr_slave_0 entered promiscuous mode [ 58.407589][ T8094] device hsr_slave_1 entered promiscuous mode [ 58.467549][ T8094] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.478232][ T8089] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.559009][ T8092] device hsr_slave_0 entered promiscuous mode [ 58.628819][ T8092] device hsr_slave_1 entered promiscuous mode [ 58.677328][ T8092] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.706682][ T8087] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.722839][ T8089] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.783554][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.791015][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.816743][ T8087] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.829961][ T8083] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.854214][ T8098] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.869589][ T8098] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.881317][ T8094] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 163.887155][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 163.894144][ C1] (detected by 1, t=10502 jiffies, g=6001, q=98) [ 163.900545][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294953542-4294943040), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 163.913882][ C1] syz-executor.0 R running task 24392 8081 8080 0x0000400a [ 163.921765][ C1] Call Trace: [ 163.925032][ C1] [ 163.927875][ C1] sched_show_task+0x40f/0x560 [ 163.932628][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 163.937905][ C1] update_process_times+0x12d/0x180 [ 163.943088][ C1] tick_sched_timer+0x263/0x420 [ 163.948009][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.953545][ C1] __hrtimer_run_queues+0x403/0x840 [ 163.958742][ C1] hrtimer_interrupt+0x38c/0xda0 [ 163.963678][ C1] ? debug_smp_processor_id+0x9/0x20 [ 163.968953][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 163.974485][ C1] apic_timer_interrupt+0xf/0x20 [ 163.979407][ C1] [ 163.982335][ C1] RIP: 0010:free_thread_stack+0x141/0x590 [ 163.988038][ C1] Code: a2 60 00 e9 5d 04 00 00 e8 5c 2d 2e 00 48 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 43 a4 69 00 49 8b 1c 24 <48> 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 [ 164.007623][ C1] RSP: 0018:ffffc90002167c60 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.016014][ C1] RAX: 0000000000000001 RBX: ffff8880a7438b80 RCX: 0000000000000000 [ 164.023969][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002625740 [ 164.031942][ C1] RBP: ffffc90002167c98 R08: dffffc0000000000 R09: fffffbfff12877ed [ 164.039903][ C1] R10: fffffbfff12877ed R11: 0000000000000000 R12: ffff8880a7438c20 [ 164.047861][ C1] R13: dffffc0000000000 R14: 1ffff11014e87184 R15: ffff88809854d468 [ 164.055943][ C1] put_task_stack+0xa3/0x130 [ 164.060528][ C1] finish_task_switch+0x3f1/0x550 [ 164.065566][ C1] __schedule+0x9a8/0xcc0 [ 164.069894][ C1] ? ___preempt_schedule+0x16/0x18 [ 164.074987][ C1] preempt_schedule+0xdb/0x120 [ 164.079734][ C1] ___preempt_schedule+0x16/0x18 [ 164.084663][ C1] _raw_read_unlock+0x3a/0x40 [ 164.089326][ C1] __se_sys_kill+0x5e9/0x6c0 [ 164.093907][ C1] __x64_sys_kill+0x5b/0x70 [ 164.098395][ C1] do_syscall_64+0xf7/0x1c0 [ 164.102883][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.108757][ C1] RIP: 0033:0x422a17 [ 164.112641][ C1] Code: 44 00 00 48 c7 c2 d4 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 b8 3e 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 dd 32 ff ff c3 66 2e 0f 1f 84 00 00 00 00 [ 164.132226][ C1] RSP: 002b:00007ffed0541e08 EFLAGS: 00000293 ORIG_RAX: 000000000000003e [ 164.140621][ C1] RAX: ffffffffffffffda RBX: 0000000000000064 RCX: 0000000000422a17 [ 164.148581][ C1] RDX: 0000000000000bb8 RSI: 0000000000000009 RDI: 00000000fffffffe [ 164.156540][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000001675940 [ 164.164494][ C1] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000005 [ 164.172450][ C1] R13: 00007ffed0541e40 R14: 000000000000e5db R15: 00007ffed0541e50 [ 164.180521][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g6001 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 164.191599][ C1] rcu: RCU grace-period kthread stack dump: [ 164.197475][ C1] rcu_preempt R running task 29104 10 2 0x80004008 [ 164.205358][ C1] Call Trace: [ 164.208637][ C1] __schedule+0x9a8/0xcc0 [ 164.212960][ C1] schedule+0x181/0x210 [ 164.217099][ C1] schedule_timeout+0x14f/0x240 [ 164.221933][ C1] ? run_local_timers+0x120/0x120 [ 164.226949][ C1] rcu_gp_kthread+0xed8/0x1770 [ 164.231708][ C1] kthread+0x332/0x350 [ 164.235758][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 164.240857][ C1] ? kthread_blkcg+0xe0/0xe0 [ 164.245448][ C1] ret_from_fork+0x24/0x30