Warning: Permanently added '10.128.1.41' (ECDSA) to the list of known hosts. 2019/12/04 09:21:16 fuzzer started 2019/12/04 09:21:18 dialing manager at 10.128.0.26:36481 [ 58.274214][ T8300] ld (8300) used greatest stack depth: 23896 bytes left 2019/12/04 09:21:18 syscalls: 2691 2019/12/04 09:21:18 code coverage: enabled 2019/12/04 09:21:18 comparison tracing: enabled 2019/12/04 09:21:18 extra coverage: extra coverage is not supported by the kernel 2019/12/04 09:21:18 setuid sandbox: enabled 2019/12/04 09:21:18 namespace sandbox: enabled 2019/12/04 09:21:18 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 09:21:18 fault injection: enabled 2019/12/04 09:21:18 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 09:21:18 net packet injection: enabled 2019/12/04 09:21:18 net device setup: enabled 2019/12/04 09:21:18 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 09:21:18 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:21:19 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_genetlink_get_family_id$tipc2(&(0x7f0000000040)='\xff\xffPCv2\x00') r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x3, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, 0x0, 0xffffffffffffff93, 0x0, 0x0, 0x0) ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, &(0x7f00000001c0)={0x0, 0x119000}) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$KVM_NMI(r2, 0xae9a) r3 = socket$packet(0x11, 0x3, 0x300) connect$l2tp(0xffffffffffffffff, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x0, r3, {0x2, 0x4e20, @loopback}, 0x2}}, 0x2e) ioctl$KVM_RUN(r2, 0xae80, 0x0) 09:21:19 executing program 1: sendmsg(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x392, &(0x7f0000000440)}, 0x0) r0 = socket$inet(0x10, 0x2, 0x0) openat$vcs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcs\x00', 0x0, 0x0) ioctl$sock_ifreq(r0, 0x89f1, &(0x7f0000000180)={'ip6gre0\x00\xeej\x01\x0f\'@\x00\x01', @ifru_flags}) [ 59.618209][ T8305] IPVS: ftp: loaded support on port[0] = 21 [ 59.742136][ T8305] chnl_net:caif_netlink_parms(): no params data found [ 59.789753][ T8305] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.798475][ T8305] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.807014][ T8305] device bridge_slave_0 entered promiscuous mode [ 59.817512][ T8305] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.824643][ T8305] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.833070][ T8305] device bridge_slave_1 entered promiscuous mode [ 59.858155][ T8305] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.869896][ T8305] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.885076][ T8308] IPVS: ftp: loaded support on port[0] = 21 [ 59.899836][ T8305] team0: Port device team_slave_0 added [ 59.907670][ T8305] team0: Port device team_slave_1 added 09:21:19 executing program 2: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x3, 0x3, &(0x7f0000000040)=@framed={{0x35, 0xa, 0x0, 0x0, 0x0, 0x71, 0x10, 0x24}}, &(0x7f0000000080)='GPL\x04\x9c5\x14\xbfw-\xa0z\xe8.vY\n6\xf6I>\xc1\xab\x91\xb3\x97\xe4*\xbf\x1e\xa6\xcd\x8c\xd7t\'\xfc\x9a\x9e+qe\xf5+A\a\xbf\bP\xd8\x99\xdcR\xd0\x13\x17]\xdb\x1b/F <*\x05\xb7\"\xe3>Uo\xb2\xe3\xf3\x9a<\xde\x1f\xcaSd\x037\xec\x95aF\xbd\xbf\xcb\x11Pp\x19V1\xde]!\xa5\xea\x9ec\x8c+\xdbx\xa5\x01\xcaKn\xa3\x13\xd8%h\xf98,,?o\xab\xa6\xb4\xeeTy;N\xd2m\xae>R\"P)\xbb*\xc0\x00\x7fwuL?#\xce\xda\x98\t\xb9\xa9hJ\x94\n\xbc\xaa\x8c\xfc\xc7\x13>\xc4\"\xe9\xc88\x881\x8dA\xe9\xa4\x93\xf0\x19_\xe2Y\x96Q\xb8\x95\x04\xf5\xdb\xa1F%\xce#f\xf3=\x95\xdb\xa9/\x86ry\xca\xbfJ\xce\xdd\xc8Z\x8a\xf7\xa0\xfah\xd7g\xceQ6\xb9\xd0\xd1\x96lI\x9c\xb6\xbf4\xc2\x7f\x00'/248}, 0x48) [ 59.979751][ T8305] device hsr_slave_0 entered promiscuous mode [ 60.076351][ T8305] device hsr_slave_1 entered promiscuous mode 09:21:20 executing program 3: socketpair$unix(0x1, 0x40000000000001, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r0, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$SO_BINDTODEVICE(r3, 0x1, 0x19, &(0x7f0000000040)='veth0_to_bond\x00', 0x10) setsockopt$sock_int(r3, 0x1, 0x3c, &(0x7f00000000c0)=0x1, 0x4) sendto$inet(r3, 0x0, 0x0, 0x44048080, &(0x7f0000000200)={0x2, 0x4e25, @multicast2}, 0x10) sendto$inet(r3, &(0x7f0000000000)='J', 0x1, 0x4004084, 0x0, 0x2a4) [ 60.167884][ T8310] IPVS: ftp: loaded support on port[0] = 21 [ 60.238629][ T8305] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.358671][ T8305] netdevsim netdevsim0 netdevsim1: renamed from eth1 09:21:20 executing program 4: socket$inet_udplite(0x2, 0x2, 0x88) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x400000000001f}, 0x0) r0 = syz_open_dev$dri(&(0x7f0000000000)='/dev/dri/card#\x00', 0x1, 0x0) ioctl(r0, 0xffffffffffffffb9, &(0x7f0000000080)) [ 60.458918][ T8305] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.538164][ T8305] netdevsim netdevsim0 netdevsim3: renamed from eth3 09:21:20 executing program 5: r0 = syz_open_dev$usbfs(&(0x7f0000000000)='/dev/bus/usb/00#/00#\x00', 0xd8, 0x1) ioctl$USBDEVFS_SUBMITURB(r0, 0x8038550a, &(0x7f0000000800)=@urb_type_control={0x2, {}, 0x0, 0x0, &(0x7f00000006c0), 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r1 = syz_open_dev$loop(0x0, 0x0, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r1, r0) [ 60.632500][ T8313] IPVS: ftp: loaded support on port[0] = 21 [ 60.644353][ T8308] chnl_net:caif_netlink_parms(): no params data found [ 60.673574][ T8315] IPVS: ftp: loaded support on port[0] = 21 [ 60.743973][ T8305] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.751227][ T8305] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.759334][ T8305] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.766528][ T8305] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.800943][ T8308] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.816318][ T8308] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.824152][ T8308] device bridge_slave_0 entered promiscuous mode [ 60.834369][ T8308] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.843590][ T8308] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.853303][ T8308] device bridge_slave_1 entered promiscuous mode [ 60.863657][ T8317] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.872280][ T8317] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.911031][ T8308] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.923540][ T8308] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.964981][ T8318] IPVS: ftp: loaded support on port[0] = 21 [ 60.993533][ T8310] chnl_net:caif_netlink_parms(): no params data found [ 61.011867][ T8308] team0: Port device team_slave_0 added [ 61.042813][ T8308] team0: Port device team_slave_1 added [ 61.078851][ T8315] chnl_net:caif_netlink_parms(): no params data found [ 61.147257][ T8308] device hsr_slave_0 entered promiscuous mode [ 61.185606][ T8308] device hsr_slave_1 entered promiscuous mode [ 61.225450][ T8308] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.291881][ T8305] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.302205][ T8310] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.310204][ T8310] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.318493][ T8310] device bridge_slave_0 entered promiscuous mode [ 61.328043][ T8310] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.336129][ T8310] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.343781][ T8310] device bridge_slave_1 entered promiscuous mode [ 61.361864][ T8315] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.369226][ T8315] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.377382][ T8315] device bridge_slave_0 entered promiscuous mode [ 61.387702][ T8315] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.394762][ T8315] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.402700][ T8315] device bridge_slave_1 entered promiscuous mode [ 61.445541][ T8315] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.464920][ T8310] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.482410][ T8315] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.499261][ T8313] chnl_net:caif_netlink_parms(): no params data found [ 61.508911][ T8310] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.532460][ T8308] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.591934][ T8308] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.641256][ T8308] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.703773][ T8308] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.761957][ T8317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.772219][ T8317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.784067][ T8305] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.793413][ T8315] team0: Port device team_slave_0 added [ 61.805001][ T8315] team0: Port device team_slave_1 added [ 61.813770][ T8310] team0: Port device team_slave_0 added [ 61.821107][ T8310] team0: Port device team_slave_1 added [ 61.908557][ T8310] device hsr_slave_0 entered promiscuous mode [ 61.955750][ T8310] device hsr_slave_1 entered promiscuous mode [ 61.995426][ T8310] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.039502][ T8317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.049110][ T8317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.058251][ T8317] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.065377][ T8317] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.095979][ T3216] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.096431][ T3216] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.114048][ T3216] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.121195][ T3216] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.129450][ T3216] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.208298][ T8315] device hsr_slave_0 entered promiscuous mode [ 62.246067][ T8315] device hsr_slave_1 entered promiscuous mode [ 62.285518][ T8315] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.307893][ T8313] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.314990][ T8313] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.326650][ T8313] device bridge_slave_0 entered promiscuous mode [ 62.334561][ T8313] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.342157][ T8313] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.350414][ T8313] device bridge_slave_1 entered promiscuous mode [ 62.372279][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.396559][ T8318] chnl_net:caif_netlink_parms(): no params data found [ 62.418151][ T8317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.431913][ T8317] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.442417][ T8317] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.453356][ T8313] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.468969][ T8315] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.539030][ T8315] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.587364][ T8310] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.638972][ T8310] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.689604][ T8310] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.747977][ T8313] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.766085][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.775594][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.784321][ T8315] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.842904][ T8310] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.911338][ T8313] team0: Port device team_slave_0 added [ 62.918421][ T8315] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.019994][ T8313] team0: Port device team_slave_1 added [ 63.032994][ T8305] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 63.044997][ T8305] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.060455][ T8318] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.068036][ T8318] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.076393][ T8318] device bridge_slave_0 entered promiscuous mode [ 63.087908][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.096455][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.105958][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.114222][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.123039][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.187694][ T8313] device hsr_slave_0 entered promiscuous mode [ 63.236262][ T8313] device hsr_slave_1 entered promiscuous mode [ 63.275691][ T8313] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.283995][ T8318] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.291274][ T8318] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.302013][ T8318] device bridge_slave_1 entered promiscuous mode [ 63.312094][ T8308] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.357665][ T8305] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.384489][ T3216] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.392825][ T3216] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.401019][ T3216] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.409083][ T3216] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.426764][ T8318] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.453554][ T8310] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.472071][ T8318] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.498649][ T8308] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.521514][ T8310] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.539384][ T8315] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.548460][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.558184][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.567471][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.574545][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.582864][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.600758][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.610115][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.617282][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.632487][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.641522][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.655425][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.687956][ T8308] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 63.703952][ T8308] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.745653][ T8308] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.789557][ T8313] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 168.625143][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 168.632317][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8326 [ 168.639782][ C0] (detected by 0, t=10503 jiffies, g=6577, q=443) [ 168.646275][ C0] syz-executor.0 R running task 27912 8326 8305 0x0000400e [ 168.654170][ C0] Call Trace: [ 168.657440][ C0] [ 168.660291][ C0] sched_show_task+0x40f/0x560 [ 168.665063][ C0] rcu_sched_clock_irq+0x16b1/0x1ad0 [ 168.670344][ C0] update_process_times+0x12d/0x180 [ 168.675530][ C0] tick_sched_timer+0x263/0x420 [ 168.680371][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.685903][ C0] __hrtimer_run_queues+0x403/0x840 [ 168.691104][ C0] hrtimer_interrupt+0x38c/0xda0 [ 168.696047][ C0] ? debug_smp_processor_id+0x9/0x20 [ 168.701329][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 168.706866][ C0] apic_timer_interrupt+0xf/0x20 [ 168.711786][ C0] [ 168.714767][ C0] RIP: 0010:free_thread_stack+0x151/0x590 [ 168.720475][ C0] Code: 31 f6 e8 a2 a1 6e 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 43 a0 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 a0 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 168.740071][ C0] RSP: 0018:ffffc9000243f968 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.748471][ C0] RAX: 1ffff1100d866421 RBX: ffff88806c332108 RCX: 0000000000000000 [ 168.756702][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0001b0d700 [ 168.764748][ C0] RBP: ffffc9000243f9a0 R08: dffffc0000000000 R09: fffffbfff120248a [ 168.772706][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff88806c3321a0 [ 168.781280][ C0] R13: dffffc0000000000 R14: 1ffff1100d866434 R15: ffff888095c754e8 [ 168.789259][ C0] ? free_thread_stack+0x12e/0x590 [ 168.794361][ C0] put_task_stack+0xa3/0x130 [ 168.798959][ C0] finish_task_switch+0x3f1/0x550 [ 168.803981][ C0] __schedule+0x9a8/0xcc0 [ 168.808314][ C0] ? ___preempt_schedule_notrace+0x16/0x27 [ 168.814107][ C0] preempt_schedule_notrace+0xdb/0x120 [ 168.819641][ C0] ___preempt_schedule_notrace+0x16/0x27 [ 168.825264][ C0] ? rcu_is_watching+0x57/0xa0 [ 168.830017][ C0] rcu_is_watching+0x82/0xa0 [ 168.834628][ C0] memcg_kmem_get_cache+0x2e8/0x570 [ 168.839814][ C0] ? __should_failslab+0x11a/0x160 [ 168.844912][ C0] ? vm_area_alloc+0x24/0xf0 [ 168.849491][ C0] kmem_cache_alloc+0x86/0x2e0 [ 168.854245][ C0] vm_area_alloc+0x24/0xf0 [ 168.858655][ C0] mmap_region+0xaf2/0x1cb0 [ 168.863163][ C0] do_mmap+0xabb/0x1120 [ 168.867316][ C0] vm_mmap_pgoff+0x13d/0x1d0 [ 168.871908][ C0] ksys_mmap_pgoff+0x104/0x560 [ 168.876664][ C0] ? debug_smp_processor_id+0x9/0x20 [ 168.881937][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 168.887651][ C0] __x64_sys_mmap+0x103/0x120 [ 168.892340][ C0] do_syscall_64+0xf7/0x1c0 [ 168.896841][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.902722][ C0] RIP: 0033:0x45a6ca [ 168.906621][ C0] Code: 89 f5 41 54 49 89 fc 55 53 74 35 49 63 e8 48 63 da 4d 89 f9 49 89 e8 4d 63 d6 48 89 da 4c 89 ee 4c 89 e7 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 4e 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 00 [ 168.926236][ C0] RSP: 002b:00007fffdf5f4f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 168.934646][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a6ca [ 168.942607][ C0] RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000 [ 168.950581][ C0] RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 [ 168.958573][ C0] R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000 [ 168.966530][ C0] R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000 [ 168.974602][ C0] rcu: rcu_preempt kthread starved for 4933 jiffies! g6577 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 168.985690][ C0] rcu: RCU grace-period kthread stack dump: [ 168.991572][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 168.999463][ C0] Call Trace: [ 169.002749][ C0] __schedule+0x9a0/0xcc0 [ 169.007075][ C0] schedule+0x181/0x210 [ 169.011222][ C0] schedule_timeout+0x14f/0x240 [ 169.016065][ C0] ? run_local_timers+0x120/0x120 [ 169.021078][ C0] rcu_gp_kthread+0xed8/0x1770 [ 169.025843][ C0] kthread+0x332/0x350 [ 169.029897][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 169.034997][ C0] ? kthread_blkcg+0xe0/0xe0 [ 169.039581][ C0] ret_from_fork+0x24/0x30