Warning: Permanently added '10.128.10.26' (ECDSA) to the list of known hosts. 2019/12/02 23:20:01 fuzzer started 2019/12/02 23:20:03 dialing manager at 10.128.0.26:38907 2019/12/02 23:20:03 syscalls: 2697 2019/12/02 23:20:03 code coverage: enabled 2019/12/02 23:20:03 comparison tracing: enabled 2019/12/02 23:20:03 extra coverage: extra coverage is not supported by the kernel 2019/12/02 23:20:03 setuid sandbox: enabled 2019/12/02 23:20:03 namespace sandbox: enabled 2019/12/02 23:20:03 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/02 23:20:03 fault injection: enabled 2019/12/02 23:20:03 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/02 23:20:03 net packet injection: enabled 2019/12/02 23:20:03 net device setup: enabled 2019/12/02 23:20:03 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/02 23:20:03 devlink PCI setup: PCI device 0000:00:10.0 is not available 23:20:04 executing program 0: bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0xd, 0x3, &(0x7f0000000200)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x6b, 0x66}}, &(0x7f0000000240)='EP\xd4\x00\x1f\x91\xeb/W\xb72$C0%\x03\x9c0\x96\xb2\fkC\x93H\xbfh\x9c\b`\x857\xd6\">c\xad\xc0bO\xba\xe2\xe1\t5\x9d\xcei\"2L\xcc\x13\x16\vh\xca\xe6C\x06\x97%\x9d\xd5-\x1fs\xe1j\xdc5\x92\xd0)%\xdf\xfa\xe8^\x9c\xd29\x8clg\xc8\x7f\xb5\xb1&\x02\xf1E\xb4\x84\xbeE\x91)f\xe8\xb7\xe2\xf6`i\xc5m\xd7l\x1d\xc1\x12\x01<:kM\xe9\x99\xcd\xcd\xc8\x85Z\xee47\xdc\xc8u\x80\xcf\xbeTo\xbb\xfb\xc0\xebV\xd8\xbb\xbe\xa2\x90J|s\xc2', 0x1, 0x348, &(0x7f0000000480)=""/195}, 0x48) 23:20:04 executing program 1: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000001380)="6653070000053376003639405cb4aed12f0000000000ae47a825d86800278dcff47d01000080", 0x12}], 0x4, 0x0) sendmsg(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x386}, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x3c) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x20, r0, 0x0, 0x0) syzkaller login: [ 58.792900][ T8357] IPVS: ftp: loaded support on port[0] = 21 [ 58.884124][ T8359] IPVS: ftp: loaded support on port[0] = 21 [ 58.978002][ T8357] chnl_net:caif_netlink_parms(): no params data found 23:20:04 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000040)={'ip6gretap0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x4c, 0x10, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_LINKINFO={0x4, 0x12, @ip6gretap={{0x10, 0x1, 'ip6gretap\x00'}, {0x18, 0x2, [@IFLA_GRE_REMOTE={0x14, 0x7, @mcast2={0xff, 0x5}}]}}}]}, 0x4c}}, 0x0) [ 59.043085][ T8359] chnl_net:caif_netlink_parms(): no params data found [ 59.140961][ T8359] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.169053][ T8359] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.177893][ T8359] device bridge_slave_0 entered promiscuous mode [ 59.202426][ T8357] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.217469][ T8357] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.225514][ T8357] device bridge_slave_0 entered promiscuous mode [ 59.233752][ T8359] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.241579][ T8359] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.250018][ T8359] device bridge_slave_1 entered promiscuous mode [ 59.267320][ T8357] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.274595][ T8357] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.283580][ T8357] device bridge_slave_1 entered promiscuous mode [ 59.297042][ T8359] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.314373][ T8357] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.314491][ T8363] IPVS: ftp: loaded support on port[0] = 21 [ 59.330246][ T8359] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.342270][ T8357] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 23:20:05 executing program 3: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0) mbind(&(0x7f0000012000/0xc00000)=nil, 0xc00000, 0x4, 0x0, 0x0, 0x0) get_mempolicy(0x0, 0x0, 0x0, &(0x7f00002fd000/0x1000)=nil, 0x2) [ 59.383898][ T8359] team0: Port device team_slave_0 added [ 59.391910][ T8357] team0: Port device team_slave_0 added [ 59.408984][ T8359] team0: Port device team_slave_1 added [ 59.415858][ T8357] team0: Port device team_slave_1 added [ 59.510950][ T8359] device hsr_slave_0 entered promiscuous mode [ 59.567816][ T8359] device hsr_slave_1 entered promiscuous mode 23:20:05 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000040)={'team0\x00', 0x0}) r2 = syz_genetlink_get_family_id$team(&(0x7f0000000000)='team\x00') sendmsg$TEAM_CMD_OPTIONS_SET(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000003c0)={0x5c, r2, 0x1, 0x0, 0x0, {0x1, 0x6c00000000000000}, [{{0x8, 0x1, r1}, {0x40, 0x2, [{0x3c, 0x1, @enabled={{{0xfffffffffffffe02, 0x1, 'enabled\x00'}, {0x5, 0x3, 0x5}, {0x4, 0x5}}, {0x8}}}]}}]}, 0x5c}}, 0x0) [ 59.660129][ T8357] device hsr_slave_0 entered promiscuous mode [ 59.697582][ T8357] device hsr_slave_1 entered promiscuous mode [ 59.737598][ T8357] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.753017][ T8366] IPVS: ftp: loaded support on port[0] = 21 23:20:05 executing program 5: clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = socket(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f00000002c0)={@ipv4, 0x0, 0x0, 0x0, 0x5}, 0x16d) [ 59.901195][ T8357] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.969498][ T8359] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.985895][ T8369] IPVS: ftp: loaded support on port[0] = 21 [ 60.002657][ T8359] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.060275][ T8363] chnl_net:caif_netlink_parms(): no params data found [ 60.068798][ T8357] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.121064][ T8357] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.193004][ T8371] IPVS: ftp: loaded support on port[0] = 21 [ 60.204103][ T8359] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.248990][ T8359] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.316435][ T8357] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.384673][ T8363] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.392257][ T8363] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.400457][ T8363] device bridge_slave_0 entered promiscuous mode [ 60.413248][ T8363] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.420476][ T8363] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.428784][ T8363] device bridge_slave_1 entered promiscuous mode [ 60.506712][ T8363] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.518190][ T8363] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.561849][ T8363] team0: Port device team_slave_0 added [ 60.594446][ T8363] team0: Port device team_slave_1 added [ 60.613002][ T8366] chnl_net:caif_netlink_parms(): no params data found [ 60.656363][ T8371] chnl_net:caif_netlink_parms(): no params data found [ 60.719644][ T8363] device hsr_slave_0 entered promiscuous mode [ 60.767746][ T8363] device hsr_slave_1 entered promiscuous mode [ 60.807343][ T8363] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.821709][ T8369] chnl_net:caif_netlink_parms(): no params data found [ 60.862434][ T8366] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.871695][ T8366] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.880620][ T8366] device bridge_slave_0 entered promiscuous mode [ 60.911308][ T8357] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.918800][ T8366] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.925978][ T8366] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.933899][ T8366] device bridge_slave_1 entered promiscuous mode [ 60.966232][ T8369] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.973463][ T8369] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.981979][ T8369] device bridge_slave_0 entered promiscuous mode [ 60.996125][ T8371] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.003386][ T8371] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.012622][ T8371] device bridge_slave_0 entered promiscuous mode [ 61.022082][ T8359] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.035990][ T8366] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.046350][ T8369] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.053668][ T8369] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.061739][ T8369] device bridge_slave_1 entered promiscuous mode [ 61.076408][ T8371] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.083726][ T8371] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.091429][ T8371] device bridge_slave_1 entered promiscuous mode [ 61.109085][ T8371] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.121880][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.130666][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.141796][ T8366] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.174021][ T8366] team0: Port device team_slave_0 added [ 61.183748][ T8371] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.203739][ T8369] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.213934][ T8363] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.270133][ T8366] team0: Port device team_slave_1 added [ 61.275920][ T8363] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.332480][ T8359] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.343314][ T8371] team0: Port device team_slave_0 added [ 61.350878][ T8369] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.369994][ T8363] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.403474][ T8357] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.411902][ T8371] team0: Port device team_slave_1 added [ 61.422606][ T8369] team0: Port device team_slave_0 added [ 61.435715][ T8369] team0: Port device team_slave_1 added [ 61.442346][ T8363] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.491596][ T8364] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.500625][ T8364] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.508883][ T8364] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.518285][ T8364] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.526681][ T8364] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.534127][ T8364] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.542572][ T8364] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.580983][ T8366] device hsr_slave_0 entered promiscuous mode [ 61.637704][ T8366] device hsr_slave_1 entered promiscuous mode [ 61.677389][ T8366] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.697824][ T8377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.706438][ T8377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.715823][ T8377] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.722924][ T8377] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.732761][ T8377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.741288][ T8377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.750452][ T8377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.759288][ T8377] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.766535][ T8377] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.829977][ T8371] device hsr_slave_0 entered promiscuous mode [ 61.898233][ T8371] device hsr_slave_1 entered promiscuous mode [ 61.947695][ T8371] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.957868][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.966432][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.975669][ T2710] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.982894][ T2710] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.030011][ T8369] device hsr_slave_0 entered promiscuous mode [ 62.077702][ T8369] device hsr_slave_1 entered promiscuous mode [ 62.117407][ T8369] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.127549][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.182615][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.193025][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.203398][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.213715][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.223540][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.233097][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.242330][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.262199][ T8366] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.329747][ T8366] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.371596][ T8366] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.431914][ T8366] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.489271][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.499364][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.509106][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.519226][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.544469][ T8371] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.610008][ T8371] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.681363][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.692689][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.704973][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.714440][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.723629][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.732300][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.740766][ T8371] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.809578][ T8371] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.861249][ T8369] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.908909][ T8369] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.939917][ T8369] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 63.000225][ T8369] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.039246][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.051176][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.076356][ T8359] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.088589][ T8359] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.110687][ T8377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.120376][ T8377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.131715][ T8357] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.154779][ T8359] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.168483][ T8377] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.176025][ T8377] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.234988][ T8357] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.247684][ T8363] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.271470][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.279617][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.356863][ T8371] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.408782][ T8366] 8021q: adding VLAN 0 to HW filter on device bond0 [ 168.297173][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 168.304200][ C1] (detected by 1, t=10502 jiffies, g=6745, q=498) [ 168.310703][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953933-4294943430), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 168.324068][ C1] rcu_preempt R running task 29032 10 2 0x80004008 [ 168.331964][ C1] Call Trace: [ 168.335251][ C1] [ 168.338240][ C1] sched_show_task+0x40f/0x560 [ 168.343050][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 168.348348][ C1] update_process_times+0x12d/0x180 [ 168.354027][ C1] tick_sched_timer+0x263/0x420 [ 168.358881][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.364435][ C1] __hrtimer_run_queues+0x403/0x840 [ 168.369680][ C1] hrtimer_interrupt+0x38c/0xda0 [ 168.374628][ C1] ? debug_smp_processor_id+0x9/0x20 [ 168.379916][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 168.385452][ C1] apic_timer_interrupt+0xf/0x20 [ 168.390374][ C1] [ 168.393331][ C1] RIP: 0010:free_thread_stack+0x151/0x590 [ 168.399040][ C1] Code: 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 25 a4 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 168.418636][ C1] RSP: 0018:ffffc90000d0fc48 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.427124][ C1] RAX: 1ffff11014107621 RBX: ffff8880a083b108 RCX: 0000000000000000 [ 168.435694][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00027de080 [ 168.443656][ C1] RBP: ffffc90000d0fc80 R08: 000000000003a768 R09: fffffbfff120248a [ 168.451627][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888095187f20 [ 168.459679][ C1] R13: dffffc0000000000 R14: 1ffff11012a30fe4 R15: ffff88808bd29968 [ 168.467667][ C1] ? free_thread_stack+0x12e/0x590 [ 168.472786][ C1] put_task_stack+0xa3/0x130 [ 168.477368][ C1] finish_task_switch+0x3f1/0x550 [ 168.482389][ C1] __schedule+0x9a8/0xcc0 [ 168.486716][ C1] schedule+0x181/0x210 [ 168.490865][ C1] schedule_timeout+0x14f/0x240 [ 168.495708][ C1] ? run_local_timers+0x120/0x120 [ 168.500758][ C1] rcu_gp_kthread+0xed8/0x1770 [ 168.505554][ C1] kthread+0x332/0x350 [ 168.509723][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 168.514842][ C1] ? kthread_blkcg+0xe0/0xe0 [ 168.519695][ C1] ret_from_fork+0x24/0x30 [ 168.524124][ C1] rcu: rcu_preempt kthread starved for 10524 jiffies! g6745 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 168.540971][ C1] rcu: RCU grace-period kthread stack dump: [ 168.549211][ C1] rcu_preempt R running task 29032 10 2 0x80004008 [ 168.560580][ C1] Call Trace: [ 168.563951][ C1] [ 168.566977][ C1] sched_show_task+0x40f/0x560 [ 168.573766][ C1] rcu_check_gp_kthread_starvation+0x170/0x1b0 [ 168.581858][ C1] rcu_sched_clock_irq+0x17d3/0x1ad0 [ 168.589100][ C1] update_process_times+0x12d/0x180 [ 168.597223][ C1] tick_sched_timer+0x263/0x420 [ 168.604603][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.612591][ C1] __hrtimer_run_queues+0x403/0x840 [ 168.620673][ C1] hrtimer_interrupt+0x38c/0xda0 [ 168.626084][ C1] ? debug_smp_processor_id+0x9/0x20 [ 168.633180][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 168.640031][ C1] apic_timer_interrupt+0xf/0x20 [ 168.645353][ C1] [ 168.651257][ C1] RIP: 0010:free_thread_stack+0x151/0x590 [ 168.658332][ C1] Code: 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 25 a4 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 168.688876][ C1] RSP: 0018:ffffc90000d0fc48 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.704520][ C1] RAX: 1ffff11014107621 RBX: ffff8880a083b108 RCX: 0000000000000000 [ 168.713187][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00027de080 [ 168.722767][ C1] RBP: ffffc90000d0fc80 R08: 000000000003a768 R09: fffffbfff120248a [ 168.732027][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888095187f20 [ 168.740711][ C1] R13: dffffc0000000000 R14: 1ffff11012a30fe4 R15: ffff88808bd29968 [ 168.750103][ C1] ? free_thread_stack+0x12e/0x590 [ 168.755835][ C1] put_task_stack+0xa3/0x130 [ 168.760741][ C1] finish_task_switch+0x3f1/0x550 [ 168.766206][ C1] __schedule+0x9a8/0xcc0 [ 168.771765][ C1] schedule+0x181/0x210 [ 168.776616][ C1] schedule_timeout+0x14f/0x240 [ 168.783248][ C1] ? run_local_timers+0x120/0x120 [ 168.790714][ C1] rcu_gp_kthread+0xed8/0x1770 [ 168.796054][ C1] kthread+0x332/0x350 [ 168.801623][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 168.807740][ C1] ? kthread_blkcg+0xe0/0xe0 [ 168.814246][ C1] ret_from_fork+0x24/0x30