Warning: Permanently added '10.128.0.240' (ECDSA) to the list of known hosts. 2020/01/08 03:51:58 fuzzer started 2020/01/08 03:52:00 dialing manager at 10.128.0.26:35703 2020/01/08 03:52:00 syscalls: 2824 2020/01/08 03:52:00 code coverage: enabled 2020/01/08 03:52:00 comparison tracing: enabled 2020/01/08 03:52:00 extra coverage: enabled 2020/01/08 03:52:00 setuid sandbox: enabled 2020/01/08 03:52:00 namespace sandbox: enabled 2020/01/08 03:52:00 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:52:00 fault injection: enabled 2020/01/08 03:52:00 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:52:00 net packet injection: enabled 2020/01/08 03:52:00 net device setup: enabled 2020/01/08 03:52:00 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:52:00 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:52:01 executing program 0: r0 = syz_init_net_socket$ax25(0x3, 0x5, 0x0) ioctl$SIOCAX25GETINFOOLD(r0, 0x89ea, &(0x7f0000000040)) 03:52:01 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x8000000004) writev(r0, &(0x7f0000e11ff0)=[{&(0x7f0000000000)="580000001400192340834b80040d8c560a067fffffff8118473fb734480477a9773b24ca945f64009400050028925aa8000000000000008000f0fffeffe80900f36fa5e24beb0d431000010002040800417d00000000dd9d", 0x58}], 0x1) syzkaller login: [ 63.019282][ T8442] IPVS: ftp: loaded support on port[0] = 21 [ 63.158332][ T8442] chnl_net:caif_netlink_parms(): no params data found [ 63.227806][ T8445] IPVS: ftp: loaded support on port[0] = 21 [ 63.234933][ T8442] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.243499][ T8442] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.256649][ T8442] device bridge_slave_0 entered promiscuous mode 03:52:01 executing program 2: r0 = socket$unix(0x1, 0x2, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/net\x00') setns(r2, 0x40000000) [ 63.276595][ T8442] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.284725][ T8442] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.292769][ T8442] device bridge_slave_1 entered promiscuous mode [ 63.333274][ T8442] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.357763][ T8442] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.439817][ T8442] team0: Port device team_slave_0 added [ 63.476150][ T8442] team0: Port device team_slave_1 added [ 63.487563][ T8445] chnl_net:caif_netlink_parms(): no params data found 03:52:02 executing program 3: mkdir(&(0x7f0000000040)='./file0\x00', 0x0) mount(0x0, &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, 0x0) chdir(&(0x7f0000000180)='./file0\x00') r0 = creat(&(0x7f0000000380)='./bus\x00', 0x0) truncate(&(0x7f0000000080)='./bus\x00', 0x8b3e) write$FUSE_ENTRY(r0, &(0x7f00000000c0)={0x90}, 0x90) [ 63.564014][ T8442] device hsr_slave_0 entered promiscuous mode [ 63.620943][ T8442] device hsr_slave_1 entered promiscuous mode [ 63.694454][ T8448] IPVS: ftp: loaded support on port[0] = 21 [ 63.730516][ T8450] IPVS: ftp: loaded support on port[0] = 21 [ 63.776274][ T8445] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.785218][ T8445] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.793261][ T8445] device bridge_slave_0 entered promiscuous mode 03:52:02 executing program 4: setsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0, 0x0) unshare(0x40000000) [ 63.822198][ T8445] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.829300][ T8445] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.837454][ T8445] device bridge_slave_1 entered promiscuous mode [ 63.905557][ T8445] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.932425][ T8445] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.012865][ T8445] team0: Port device team_slave_0 added [ 64.057937][ T8445] team0: Port device team_slave_1 added [ 64.073154][ T8442] netdevsim netdevsim0 netdevsim0: renamed from eth0 03:52:02 executing program 5: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") r1 = socket(0x1e, 0x1, 0x0) sendmsg(r1, &(0x7f0000000000)={&(0x7f0000000080)=@generic={0x10000000001e, "02ff0100000001000000000000000ae77f5bf86c48020002000000f1ffffff009a480075e6a50000de010300000000e4ff064b3f013a000000080000008f00000000ac50d5fe32c4000000007fffffff6a008356edb9a6341c1fd45624281e00070ecddd0206c39750c40000fd00000900000000000b0000db000004da36"}, 0x80, 0x0}, 0x0) recvmmsg(r1, &(0x7f0000000e00)=[{{0x0, 0x0, &(0x7f0000000580)=[{&(0x7f0000000440)=""/57, 0x39}], 0x1, &(0x7f00000005c0)=""/109, 0x6d}}, {{0x0, 0x0, &(0x7f0000000cc0)=[{&(0x7f0000001600)=""/4096, 0x1000}], 0x1}}], 0x2, 0x0, 0x0) write$binfmt_elf32(r1, &(0x7f00000015c0)=ANY=[@ANYPTR=&(0x7f0000000100)=ANY=[@ANYRES16]], 0xfffffd6d) [ 64.113189][ T8442] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.175283][ T8442] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.271480][ T8442] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.336278][ T8450] chnl_net:caif_netlink_parms(): no params data found [ 64.336429][ T8453] IPVS: ftp: loaded support on port[0] = 21 [ 64.359292][ T8455] IPVS: ftp: loaded support on port[0] = 21 [ 64.371218][ T8448] chnl_net:caif_netlink_parms(): no params data found [ 64.442031][ T8445] device hsr_slave_0 entered promiscuous mode [ 64.511374][ T8445] device hsr_slave_1 entered promiscuous mode [ 64.570559][ T8445] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.578373][ T8445] Cannot create hsr debugfs directory [ 64.715462][ T8450] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.723712][ T8450] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.731921][ T8450] device bridge_slave_0 entered promiscuous mode [ 64.742934][ T8448] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.749999][ T8448] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.757808][ T8448] device bridge_slave_0 entered promiscuous mode [ 64.773748][ T8450] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.781708][ T8450] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.790220][ T8450] device bridge_slave_1 entered promiscuous mode [ 64.812519][ T8448] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.819589][ T8448] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.827409][ T8448] device bridge_slave_1 entered promiscuous mode [ 64.847408][ T8448] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.863146][ T8445] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.919622][ T8445] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.979714][ T8448] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.005938][ T8445] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.052149][ T8445] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.125198][ T8450] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.139863][ T8450] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.152293][ T8453] chnl_net:caif_netlink_parms(): no params data found [ 65.178980][ T8448] team0: Port device team_slave_0 added [ 65.219207][ T8448] team0: Port device team_slave_1 added [ 65.248112][ T8453] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.255514][ T8453] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.264439][ T8453] device bridge_slave_0 entered promiscuous mode [ 65.285925][ T8450] team0: Port device team_slave_0 added [ 65.295079][ T8450] team0: Port device team_slave_1 added [ 65.354038][ T8448] device hsr_slave_0 entered promiscuous mode [ 65.380672][ T8448] device hsr_slave_1 entered promiscuous mode [ 65.420462][ T8448] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.428039][ T8448] Cannot create hsr debugfs directory [ 65.433751][ T8453] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.441593][ T8453] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.449319][ T8453] device bridge_slave_1 entered promiscuous mode [ 65.463413][ T8455] chnl_net:caif_netlink_parms(): no params data found [ 65.522655][ T8453] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.544814][ T8442] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.603093][ T8450] device hsr_slave_0 entered promiscuous mode [ 65.651169][ T8450] device hsr_slave_1 entered promiscuous mode [ 65.710472][ T8450] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.718059][ T8450] Cannot create hsr debugfs directory [ 65.731499][ T8453] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.757048][ T8455] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.765765][ T8455] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.773648][ T8455] device bridge_slave_0 entered promiscuous mode [ 65.787151][ T8455] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.794991][ T8455] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.805502][ T8455] device bridge_slave_1 entered promiscuous mode [ 65.837988][ T8453] team0: Port device team_slave_0 added [ 65.848543][ T8453] team0: Port device team_slave_1 added [ 65.864839][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.873096][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.884795][ T8455] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.900260][ T8455] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.917417][ T8442] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.957453][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.969757][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.978672][ T2916] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.985882][ T2916] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.000760][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.042799][ T8453] device hsr_slave_0 entered promiscuous mode [ 66.070724][ T8453] device hsr_slave_1 entered promiscuous mode [ 66.100440][ T8453] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.108125][ T8453] Cannot create hsr debugfs directory [ 66.123935][ T8455] team0: Port device team_slave_0 added [ 66.133663][ T8455] team0: Port device team_slave_1 added [ 66.202227][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.212259][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.220884][ T2847] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.227912][ T2847] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.235604][ T2847] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.244570][ T8448] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.312388][ T8448] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.355644][ T8448] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.445643][ T8455] device hsr_slave_0 entered promiscuous mode [ 66.490870][ T8455] device hsr_slave_1 entered promiscuous mode [ 66.530481][ T8455] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.538053][ T8455] Cannot create hsr debugfs directory [ 66.552671][ T8445] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.565563][ T8448] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.627225][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.658025][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.667467][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.675942][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.684408][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.697745][ T8450] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.762697][ T8450] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.815550][ T8445] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.839686][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.847799][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.856720][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.865387][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.873882][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.883245][ T8450] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.923441][ T8450] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 66.989044][ T8442] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.001211][ T8442] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.031704][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.040216][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.049020][ T2895] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.056164][ T2895] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.064042][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.072476][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.083845][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.141613][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.149096][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.157196][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.165944][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.175254][ T2895] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.182337][ T2895] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.189880][ T2895] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.200237][ T8442] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.210955][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.241711][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.251730][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.280227][ T8453] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.305054][ T8453] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.379043][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.397983][ T8442] device veth0_vlan entered promiscuous mode [ 67.412567][ T8455] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 67.444045][ T8453] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 67.502405][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.511245][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.519782][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.528598][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.537044][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.546118][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.555871][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.564281][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.572669][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.581504][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.595216][ T8442] device veth1_vlan entered promiscuous mode [ 67.605404][ T8455] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 67.642830][ T8455] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 67.682618][ T8453] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 67.751063][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.759018][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.775565][ T8448] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.782889][ T8455] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 67.839356][ T8445] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.872688][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.891159][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.904297][ T2916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 172.920320][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 172.927441][ C1] (detected by 1, t=10502 jiffies, g=7153, q=100) [ 172.934733][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954437-4294943934), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 172.948076][ C1] rcu_preempt R running task 28984 10 2 0x80004008 [ 172.955970][ C1] Call Trace: [ 172.959244][ C1] [ 172.962090][ C1] sched_show_task+0x40f/0x560 [ 172.966856][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 172.972148][ C1] update_process_times+0x12d/0x180 [ 172.977335][ C1] tick_sched_timer+0x263/0x420 [ 172.982261][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.987799][ C1] __hrtimer_run_queues+0x403/0x840 [ 172.993002][ C1] hrtimer_interrupt+0x38c/0xda0 [ 172.997942][ C1] ? debug_smp_processor_id+0x9/0x20 [ 173.003229][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 173.008762][ C1] apic_timer_interrupt+0xf/0x20 [ 173.013685][ C1] [ 173.016612][ C1] RIP: 0010:free_thread_stack+0x151/0x590 [ 173.022319][ C1] Code: 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 94 6a 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 55 94 6a 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 173.041909][ C1] RSP: 0018:ffffc90000d0fc48 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 173.050306][ C1] RAX: 1ffff11014e61ca1 RBX: ffff8880a730e508 RCX: 0000000000000000 [ 173.058269][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002603a80 [ 173.066238][ C1] RBP: ffffc90000d0fc80 R08: dffffc0000000000 R09: fffffbfff124248a [ 173.074194][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a730e5a0 [ 173.082156][ C1] R13: dffffc0000000000 R14: 1ffff11014e61cb4 R15: ffff8880944e58b8 [ 173.090132][ C1] ? free_thread_stack+0x12e/0x590 [ 173.095235][ C1] put_task_stack+0xa3/0x130 [ 173.099814][ C1] finish_task_switch+0x3f1/0x550 [ 173.104840][ C1] __schedule+0x9a8/0xcc0 [ 173.109166][ C1] schedule+0x181/0x210 [ 173.113315][ C1] schedule_timeout+0x14f/0x240 [ 173.118154][ C1] ? run_local_timers+0x120/0x120 [ 173.123172][ C1] rcu_gp_kthread+0xed8/0x1770 [ 173.127932][ C1] kthread+0x332/0x350 [ 173.132008][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 173.137125][ C1] ? kthread_blkcg+0xe0/0xe0 [ 173.141730][ C1] ret_from_fork+0x24/0x30 [ 173.146156][ C1] rcu: rcu_preempt kthread starved for 10524 jiffies! g7153 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 173.157245][ C1] rcu: RCU grace-period kthread stack dump: [ 173.163137][ C1] rcu_preempt R running task 28984 10 2 0x80004008 [ 173.171024][ C1] Call Trace: [ 173.174297][ C1] [ 173.177139][ C1] sched_show_task+0x40f/0x560 [ 173.181898][ C1] rcu_check_gp_kthread_starvation+0x170/0x1b0 [ 173.188044][ C1] rcu_sched_clock_irq+0x17d3/0x1ad0 [ 173.193328][ C1] update_process_times+0x12d/0x180 [ 173.198641][ C1] tick_sched_timer+0x263/0x420 [ 173.203493][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 173.209050][ C1] __hrtimer_run_queues+0x403/0x840 [ 173.214263][ C1] hrtimer_interrupt+0x38c/0xda0 [ 173.219217][ C1] ? debug_smp_processor_id+0x9/0x20 [ 173.224504][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 173.230047][ C1] apic_timer_interrupt+0xf/0x20 [ 173.234971][ C1] [ 173.237903][ C1] RIP: 0010:free_thread_stack+0x151/0x590 [ 173.243612][ C1] Code: 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 94 6a 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 55 94 6a 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 173.263212][ C1] RSP: 0018:ffffc90000d0fc48 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 173.271623][ C1] RAX: 1ffff11014e61ca1 RBX: ffff8880a730e508 RCX: 0000000000000000 [ 173.279597][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002603a80 [ 173.287563][ C1] RBP: ffffc90000d0fc80 R08: dffffc0000000000 R09: fffffbfff124248a [ 173.295532][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a730e5a0 [ 173.303494][ C1] R13: dffffc0000000000 R14: 1ffff11014e61cb4 R15: ffff8880944e58b8 [ 173.311481][ C1] ? free_thread_stack+0x12e/0x590 [ 173.316593][ C1] put_task_stack+0xa3/0x130 [ 173.321176][ C1] finish_task_switch+0x3f1/0x550 [ 173.326191][ C1] __schedule+0x9a8/0xcc0 [ 173.330517][ C1] schedule+0x181/0x210 [ 173.334663][ C1] schedule_timeout+0x14f/0x240 [ 173.339500][ C1] ? run_local_timers+0x120/0x120 [ 173.344516][ C1] rcu_gp_kthread+0xed8/0x1770 [ 173.349276][ C1] kthread+0x332/0x350 [ 173.353331][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 173.358426][ C1] ? kthread_blkcg+0xe0/0xe0 [ 173.363008][ C1] ret_from_fork+0x24/0x30