Warning: Permanently added '10.128.0.199' (ECDSA) to the list of known hosts. 2020/01/08 03:59:17 fuzzer started 2020/01/08 03:59:19 dialing manager at 10.128.0.26:35703 2020/01/08 03:59:19 syscalls: 2824 2020/01/08 03:59:19 code coverage: enabled 2020/01/08 03:59:19 comparison tracing: enabled 2020/01/08 03:59:19 extra coverage: enabled 2020/01/08 03:59:19 setuid sandbox: enabled 2020/01/08 03:59:19 namespace sandbox: enabled 2020/01/08 03:59:19 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:59:19 fault injection: enabled 2020/01/08 03:59:19 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:59:19 net packet injection: enabled 2020/01/08 03:59:19 net device setup: enabled 2020/01/08 03:59:19 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:59:19 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:59:20 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) setpgid(0x0, 0x0) 03:59:20 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0xffffffffffffffcd, &(0x7f0000000340)={&(0x7f0000000300)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3}, [@IFLA_GROUP={0x8}]}, 0x28}}, 0x0) syzkaller login: [ 65.032469][ T8523] IPVS: ftp: loaded support on port[0] = 21 03:59:20 executing program 2: syz_open_dev$dmmidi(0x0, 0x80000000, 0x0) openat$audio(0xffffffffffffff9c, &(0x7f0000000580)='/dev/audio\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) openat$rfkill(0xffffffffffffff9c, &(0x7f00000005c0)='/dev/rfkill\x00', 0x4000, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r0 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x0) ioctl$UI_END_FF_UPLOAD(r0, 0x406855c9, 0x0) [ 65.199418][ T8525] IPVS: ftp: loaded support on port[0] = 21 [ 65.212928][ T8523] chnl_net:caif_netlink_parms(): no params data found [ 65.252396][ T8523] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.260043][ T8523] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.268143][ T8523] device bridge_slave_0 entered promiscuous mode [ 65.290227][ T8523] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.314102][ T8523] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.322091][ T8523] device bridge_slave_1 entered promiscuous mode [ 65.388627][ T8523] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.417306][ T8523] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 03:59:20 executing program 3: socket$inet6(0xa, 0x2, 0x0) pipe(&(0x7f0000000340)={0xffffffffffffffff, 0xffffffffffffffff}) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) r2 = socket$vsock_stream(0x28, 0x1, 0x0) connect$vsock_stream(r2, &(0x7f0000000200)={0x28, 0x0, 0x0, @hyper}, 0x10) listen(r2, 0x0) write(r1, &(0x7f0000000340), 0x41395527) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000140)={0x1b4}, 0x0, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = dup2(r4, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) [ 65.450879][ T8528] IPVS: ftp: loaded support on port[0] = 21 [ 65.462244][ T8523] team0: Port device team_slave_0 added [ 65.483460][ T8523] team0: Port device team_slave_1 added [ 65.597275][ T8523] device hsr_slave_0 entered promiscuous mode 03:59:21 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000300)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x200000b, 0x11, r2, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 65.654381][ T8523] device hsr_slave_1 entered promiscuous mode [ 65.888484][ T8530] IPVS: ftp: loaded support on port[0] = 21 03:59:21 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_mount_image$hfs(&(0x7f0000000340)='hfs\x00', &(0x7f00000003c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000580)={[{@iocharset={'iocharset', 0x3d, 'macceltic'}}]}) [ 65.955236][ T8533] IPVS: ftp: loaded support on port[0] = 21 [ 65.980434][ T8525] chnl_net:caif_netlink_parms(): no params data found [ 65.995703][ T8523] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.036440][ T8523] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.110892][ T8523] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.212117][ T8523] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.220823][ T8535] IPVS: ftp: loaded support on port[0] = 21 [ 66.288159][ T8528] chnl_net:caif_netlink_parms(): no params data found [ 66.349412][ T8525] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.358074][ T8525] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.365992][ T8525] device bridge_slave_0 entered promiscuous mode [ 66.398431][ T8525] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.405704][ T8525] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.413262][ T8525] device bridge_slave_1 entered promiscuous mode [ 66.472885][ T8530] chnl_net:caif_netlink_parms(): no params data found [ 66.491689][ T8525] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.504986][ T8525] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.515122][ T8528] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.522215][ T8528] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.530329][ T8528] device bridge_slave_0 entered promiscuous mode [ 66.549713][ T8528] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.557115][ T8528] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.565356][ T8528] device bridge_slave_1 entered promiscuous mode [ 66.622481][ T8525] team0: Port device team_slave_0 added [ 66.640392][ T8530] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.649828][ T8530] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.657726][ T8530] device bridge_slave_0 entered promiscuous mode [ 66.682687][ T8525] team0: Port device team_slave_1 added [ 66.689909][ T8533] chnl_net:caif_netlink_parms(): no params data found [ 66.700336][ T8530] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.709069][ T8530] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.716997][ T8530] device bridge_slave_1 entered promiscuous mode [ 66.725203][ T8528] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.762691][ T8528] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.779519][ T8535] chnl_net:caif_netlink_parms(): no params data found [ 66.798033][ T8530] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.817973][ T8530] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.841426][ T8528] team0: Port device team_slave_0 added [ 66.862785][ T8530] team0: Port device team_slave_0 added [ 66.873479][ T8523] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.906955][ T8525] device hsr_slave_0 entered promiscuous mode [ 66.944424][ T8525] device hsr_slave_1 entered promiscuous mode [ 66.984190][ T8525] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.992083][ T8525] Cannot create hsr debugfs directory [ 67.001991][ T8528] team0: Port device team_slave_1 added [ 67.017532][ T8530] team0: Port device team_slave_1 added [ 67.097218][ T8528] device hsr_slave_0 entered promiscuous mode [ 67.134379][ T8528] device hsr_slave_1 entered promiscuous mode [ 67.184099][ T8528] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.191715][ T8528] Cannot create hsr debugfs directory [ 67.215235][ T8533] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.222324][ T8533] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.230418][ T8533] device bridge_slave_0 entered promiscuous mode [ 67.250651][ T8535] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.259173][ T8535] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.266992][ T8535] device bridge_slave_0 entered promiscuous mode [ 67.282015][ T8523] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.289583][ T8533] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.297692][ T8533] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.306001][ T8533] device bridge_slave_1 entered promiscuous mode [ 67.345841][ T8530] device hsr_slave_0 entered promiscuous mode [ 67.394483][ T8530] device hsr_slave_1 entered promiscuous mode [ 67.464138][ T8530] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.471738][ T8530] Cannot create hsr debugfs directory [ 67.484372][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.493032][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.503870][ T8535] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.511076][ T8535] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.518929][ T8535] device bridge_slave_1 entered promiscuous mode [ 67.542026][ T8533] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.561227][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.572080][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.581686][ T3107] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.589206][ T3107] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.605937][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.615148][ T8533] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.661196][ T8535] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.672858][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.683313][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.692069][ T3050] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.699154][ T3050] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.727990][ T8533] team0: Port device team_slave_0 added [ 67.735362][ T8535] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.751757][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.760432][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.799446][ T8533] team0: Port device team_slave_1 added [ 67.820378][ T3109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.829409][ T3109] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.838214][ T8528] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.898816][ T8535] team0: Port device team_slave_0 added [ 67.923196][ T3109] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.932162][ T3109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.944167][ T3109] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.952574][ T8528] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.986864][ T8535] team0: Port device team_slave_1 added [ 67.992601][ T8528] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.058871][ T8528] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.177403][ T8533] device hsr_slave_0 entered promiscuous mode [ 68.214404][ T8533] device hsr_slave_1 entered promiscuous mode [ 68.254205][ T8533] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.261842][ T8533] Cannot create hsr debugfs directory [ 68.268857][ T8525] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.316262][ T3040] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.325446][ T3040] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.344948][ T8530] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.407382][ T8525] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.478539][ T8523] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.489898][ T8523] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.498942][ T3040] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.507460][ T3040] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.515858][ T8530] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.556356][ T8530] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.646854][ T8535] device hsr_slave_0 entered promiscuous mode [ 68.684474][ T8535] device hsr_slave_1 entered promiscuous mode [ 68.744536][ T8535] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.752150][ T8535] Cannot create hsr debugfs directory [ 68.767352][ T8525] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.816191][ T8525] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.867435][ T8530] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.002816][ T8523] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.031993][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.040078][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.070283][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.082008][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.133720][ T8523] device veth0_vlan entered promiscuous mode [ 69.158406][ T8535] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.187066][ T3040] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.198182][ T3040] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.206690][ T3040] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.215194][ T3040] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.245951][ T8535] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.291851][ T8535] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.337949][ T8530] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.353199][ T8533] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.386360][ T8535] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.433770][ T8523] device veth1_vlan entered promiscuous mode [ 69.442218][ T8533] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.477345][ T8533] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.539609][ T8533] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.608213][ T8525] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.616694][ T3040] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.624952][ T3040] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.632753][ T3040] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.641133][ T3040] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.651324][ T8528] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.673744][ T8530] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.699591][ T8528] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.714580][ T3109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.722281][ T3109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.738647][ T3109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.749703][ T3109] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.760081][ T3109] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.767173][ T3109] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.792089][ T8525] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.813757][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.822136][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.831051][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.839411][ T3108] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.846508][ T3108] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.854866][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.863293][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.871671][ T3108] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.878723][ T3108] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.886456][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.894348][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.901922][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.911055][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.919640][ T3108] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.926732][ T3108] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.934917][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.943275][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.951797][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.960333][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.968770][ T3108] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.975840][ T3108] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.994944][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.003107][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.012084][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.045229][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.053901][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.069300][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 175.053971][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.060716][ C0] rcu: 0-...!: (10499 ticks this GP) idle=816/1/0x4000000000000002 softirq=12825/12825 fqs=38 [ 175.071298][ C0] (t=10500 jiffies g=6797 q=88) [ 175.076249][ C0] rcu: rcu_preempt kthread starved for 10422 jiffies! g6797 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 175.088304][ C0] rcu: RCU grace-period kthread stack dump: [ 175.094269][ C0] rcu_preempt R running task 28864 10 2 0x80004000 [ 175.102159][ C0] Call Trace: [ 175.105450][ C0] __schedule+0x9a0/0xcc0 [ 175.109790][ C0] schedule+0x181/0x210 [ 175.113940][ C0] schedule_timeout+0x14f/0x240 [ 175.118779][ C0] ? run_local_timers+0x120/0x120 [ 175.123799][ C0] rcu_gp_kthread+0xed8/0x1770 [ 175.128564][ C0] kthread+0x332/0x350 [ 175.132622][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 175.137724][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.142346][ C0] ret_from_fork+0x24/0x30 [ 175.146766][ C0] NMI backtrace for cpu 0 [ 175.151102][ C0] CPU: 0 PID: 8535 Comm: syz-executor.5 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.159689][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.171853][ C0] Call Trace: [ 175.175146][ C0] [ 175.177995][ C0] dump_stack+0x1fb/0x318 [ 175.182341][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.187182][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.193328][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.199383][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.205357][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.211241][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.216353][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.221562][ C0] ? trace_hardirqs_off+0x74/0x80 [ 175.226578][ C0] update_process_times+0x12d/0x180 [ 175.231774][ C0] tick_sched_timer+0x263/0x420 [ 175.237982][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.243526][ C0] __hrtimer_run_queues+0x403/0x840 [ 175.248733][ C0] hrtimer_interrupt+0x38c/0xda0 [ 175.253681][ C0] ? debug_smp_processor_id+0x9/0x20 [ 175.258975][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 175.264600][ C0] apic_timer_interrupt+0xf/0x20 [ 175.269615][ C0] [ 175.272648][ C0] RIP: 0010:free_thread_stack+0x151/0x590 [ 175.278617][ C0] 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 [ 175.298486][ C0] RSP: 0018:ffffc90001ed7658 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.307060][ C0] RAX: 1ffff11012f6db71 RBX: ffff888097b6db88 RCX: 0000000000000000 [ 175.315197][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00025b6c00 [ 175.323181][ C0] RBP: ffffc90001ed7690 R08: 000000000003a728 R09: ffffed10119b8749 [ 175.331166][ C0] R10: ffffed10119b8749 R11: 0000000000000000 R12: ffff888097b6dc20 [ 175.339152][ C0] R13: dffffc0000000000 R14: 1ffff11012f6db84 R15: ffff88808cdc3a38 [ 175.347155][ C0] ? free_thread_stack+0x12e/0x590 [ 175.352262][ C0] put_task_stack+0xa3/0x130 [ 175.356932][ C0] finish_task_switch+0x3f1/0x550 [ 175.361954][ C0] __schedule+0x9a8/0xcc0 [ 175.366401][ C0] schedule+0x181/0x210 [ 175.370558][ C0] schedule_preempt_disabled+0x13/0x20 [ 175.376272][ C0] __mutex_lock_common+0x1411/0x2e10 [ 175.381575][ C0] ? rtnetlink_rcv_msg+0x83c/0xd40 [ 175.391601][ C0] mutex_lock_nested+0x1b/0x30 [ 175.396363][ C0] rtnetlink_rcv_msg+0x83c/0xd40 [ 175.401315][ C0] ? rcu_lock_release+0x9/0x30 [ 175.406076][ C0] ? rcu_lock_release+0x9/0x30 [ 175.410841][ C0] ? rcu_lock_release+0x9/0x30 [ 175.415602][ C0] netlink_rcv_skb+0x19e/0x3d0 [ 175.420365][ C0] ? rtnetlink_bind+0x80/0x80 [ 175.425043][ C0] rtnetlink_rcv+0x1c/0x20 [ 175.429447][ C0] netlink_unicast+0x767/0x920 [ 175.434208][ C0] netlink_sendmsg+0xa31/0xd50 [ 175.438969][ C0] ? netlink_getsockopt+0x9f0/0x9f0 [ 175.444163][ C0] __sys_sendto+0x442/0x5e0 [ 175.448680][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 175.454745][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 175.460454][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 175.465907][ C0] __x64_sys_sendto+0xe5/0x100 [ 175.470749][ C0] do_syscall_64+0xf7/0x1c0 [ 175.475248][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.481136][ C0] RIP: 0033:0x414c43 [ 175.485037][ C0] 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 2d 38 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 [ 175.504907][ C0] RSP: 002b:00007ffe14d00198 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 175.513340][ C0] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414c43 [ 175.522448][ C0] RDX: 0000000000000028 RSI: 0000000000a72250 RDI: 0000000000000003 [ 175.531120][ C0] RBP: 0000000000000000 R08: 00007ffe14d001a0 R09: 000000000000000c [ 175.539199][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 175.547260][ C0] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003