Warning: Permanently added '10.128.0.193' (ECDSA) to the list of known hosts. 2020/01/08 10:20:48 fuzzer started 2020/01/08 10:20:50 dialing manager at 10.128.0.26:35703 2020/01/08 10:20:50 syscalls: 2824 2020/01/08 10:20:50 code coverage: enabled 2020/01/08 10:20:50 comparison tracing: enabled 2020/01/08 10:20:50 extra coverage: enabled 2020/01/08 10:20:50 setuid sandbox: enabled 2020/01/08 10:20:50 namespace sandbox: enabled 2020/01/08 10:20:50 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 10:20:50 fault injection: enabled 2020/01/08 10:20:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 10:20:50 net packet injection: enabled 2020/01/08 10:20:50 net device setup: enabled 2020/01/08 10:20:50 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 10:20:50 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:20:51 executing program 0: socket$packet(0x11, 0x3, 0x300) socket$vsock_stream(0x28, 0x1, 0x0) pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) write(r1, &(0x7f00000001c0), 0xfffffef3) perf_event_open(&(0x7f0000000440)={0x2, 0x70, 0x0, 0x2, 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_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x16b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_gettime(0x0, &(0x7f0000000240)={0x0, 0x0}) pselect6(0x40, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5b929a0165000000}, 0x0, &(0x7f0000000140)={0x1ff}, &(0x7f0000000200)={0x0, r2+30000000}, 0x0) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528ac06}], 0x1, 0x0) 10:20:51 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x92, 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_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x0) syzkaller login: [ 67.591002][ T8586] IPVS: ftp: loaded support on port[0] = 21 [ 67.768951][ T8586] chnl_net:caif_netlink_parms(): no params data found [ 67.787817][ T8589] IPVS: ftp: loaded support on port[0] = 21 [ 67.825292][ T8586] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.833836][ T8586] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.842096][ T8586] device bridge_slave_0 entered promiscuous mode [ 67.852819][ T8586] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.859955][ T8586] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.868282][ T8586] device bridge_slave_1 entered promiscuous mode 10:20:52 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c5, 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_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000440)={0x0, 0x70, 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, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2b8}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000000000)={0x1, {{0xa, 0x0, 0x0, @mcast2}}, {{0xa, 0x0, 0x0, @ipv4={[], [], @multicast2}}}}, 0x124) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r1, &(0x7f0000000100), 0x18d, 0x6c00) [ 67.907357][ T8586] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.920091][ T8586] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.985242][ T8586] team0: Port device team_slave_0 added [ 68.007840][ T8586] team0: Port device team_slave_1 added 10:20:52 executing program 3: r0 = socket$inet6(0xa, 0x80002, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000000)={@rand_addr='\x00\x00\x00\x00\x00\x00\x00\x00@\x00'}, 0x20) [ 68.114737][ T8586] device hsr_slave_0 entered promiscuous mode [ 68.152032][ T8586] device hsr_slave_1 entered promiscuous mode [ 68.221138][ T8592] IPVS: ftp: loaded support on port[0] = 21 [ 68.230815][ T8589] chnl_net:caif_netlink_parms(): no params data found [ 68.403751][ T8589] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.410915][ T8589] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.432543][ T8589] device bridge_slave_0 entered promiscuous mode [ 68.455388][ T8594] IPVS: ftp: loaded support on port[0] = 21 [ 68.464302][ T8589] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.471371][ T8589] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.479702][ T8589] device bridge_slave_1 entered promiscuous mode 10:20:52 executing program 4: r0 = socket$kcm(0x2, 0xa, 0x0) sendmsg(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)=@nfc_llcp={0x27, 0x0, 0x2, 0x0, 0x0, 0x0, "b6bc8fda04ae1bf1a1e4431ff3e4e210a9ad83a2709b87b524875076871471eb7b6e745475d5febe321ff3eb7a90f27b92d384bf15cacfa784201efd3d604b"}, 0x80, 0x0}, 0x0) ioctl$sock_kcm_SIOCKCMUNATTACH(r0, 0x890b, &(0x7f0000000000)) ioctl$sock_kcm_SIOCKCMUNATTACH(r0, 0x890c, &(0x7f0000000000)) [ 68.548065][ T8586] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.603205][ T8586] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.646726][ T8589] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.705060][ T8586] netdevsim netdevsim0 netdevsim2: renamed from eth2 10:20:52 executing program 5: r0 = socket(0x10, 0x800000000080002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'dummy0\x00', 0x0}) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB="340000001300031a00"/20, @ANYRES32=r2, @ANYBLOB="000000000000000014001600100001000c0005000700000000000000"], 0x34}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000140)=[{0x2c, 0x0, &(0x7f0000000580), 0x2a9, &(0x7f0000000100)=[@op]}], 0x492499d, 0x0) [ 68.767039][ T8586] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.817293][ T8589] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.908961][ T8597] IPVS: ftp: loaded support on port[0] = 21 [ 68.915612][ T8592] chnl_net:caif_netlink_parms(): no params data found [ 68.976417][ T8594] chnl_net:caif_netlink_parms(): no params data found [ 69.010476][ T8589] team0: Port device team_slave_0 added [ 69.018539][ T8589] team0: Port device team_slave_1 added [ 69.029309][ T8594] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.037026][ T8594] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.044982][ T8594] device bridge_slave_0 entered promiscuous mode [ 69.060152][ T8599] IPVS: ftp: loaded support on port[0] = 21 [ 69.093927][ T8594] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.100993][ T8594] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.109500][ T8594] device bridge_slave_1 entered promiscuous mode [ 69.128545][ T8592] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.137388][ T8592] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.145254][ T8592] device bridge_slave_0 entered promiscuous mode [ 69.215374][ T8589] device hsr_slave_0 entered promiscuous mode [ 69.252101][ T8589] device hsr_slave_1 entered promiscuous mode [ 69.291904][ T8589] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.299693][ T8589] Cannot create hsr debugfs directory [ 69.317844][ T8592] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.326719][ T8592] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.334570][ T8592] device bridge_slave_1 entered promiscuous mode [ 69.378674][ T8592] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.390086][ T8594] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.420016][ T8592] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.434122][ T8594] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.460145][ T8586] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.484291][ T8592] team0: Port device team_slave_0 added [ 69.501014][ T8594] team0: Port device team_slave_0 added [ 69.516668][ T8592] team0: Port device team_slave_1 added [ 69.556519][ T8594] team0: Port device team_slave_1 added [ 69.613609][ T8594] device hsr_slave_0 entered promiscuous mode [ 69.682132][ T8594] device hsr_slave_1 entered promiscuous mode [ 69.721817][ T8594] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.729443][ T8594] Cannot create hsr debugfs directory [ 69.746260][ T8597] chnl_net:caif_netlink_parms(): no params data found [ 69.766799][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.776083][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.790427][ T8586] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.874466][ T8592] device hsr_slave_0 entered promiscuous mode [ 69.922076][ T8592] device hsr_slave_1 entered promiscuous mode [ 69.971791][ T8592] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.979703][ T8592] Cannot create hsr debugfs directory [ 70.006457][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.015304][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.023890][ T2678] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.031004][ T2678] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.098353][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.127941][ T8589] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 70.172989][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.182722][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.191164][ T2678] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.198623][ T2678] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.220911][ T8589] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 70.269060][ T8589] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 70.323782][ T8597] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.330889][ T8597] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.340903][ T8597] device bridge_slave_0 entered promiscuous mode [ 70.349306][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.357975][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.366805][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.375283][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.383989][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.393067][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.401493][ T8599] chnl_net:caif_netlink_parms(): no params data found [ 70.427584][ T8589] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 70.467817][ T8597] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.475463][ T8597] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.484051][ T8597] device bridge_slave_1 entered promiscuous mode [ 70.490959][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.499021][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.507472][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.551560][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.563496][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.597461][ T8597] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.608818][ T8597] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.625826][ T8594] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.665727][ T8594] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.745267][ T8586] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.763616][ T8599] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.770709][ T8599] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.778860][ T8599] device bridge_slave_0 entered promiscuous mode [ 70.789326][ T8599] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.797066][ T8599] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.806407][ T8599] device bridge_slave_1 entered promiscuous mode [ 70.817831][ T8594] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 70.877614][ T8594] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 70.954097][ T8599] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.964952][ T8597] team0: Port device team_slave_0 added [ 70.973857][ T8599] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.005158][ T8597] team0: Port device team_slave_1 added [ 71.012909][ T8599] team0: Port device team_slave_0 added [ 71.020400][ T8599] team0: Port device team_slave_1 added [ 71.048444][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.056185][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.064308][ T8592] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 71.088773][ T8592] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 71.194723][ T8597] device hsr_slave_0 entered promiscuous mode [ 71.232752][ T8597] device hsr_slave_1 entered promiscuous mode [ 71.271874][ T8597] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.279474][ T8597] Cannot create hsr debugfs directory [ 71.290210][ T8592] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 71.338505][ T8592] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 71.453960][ T8599] device hsr_slave_0 entered promiscuous mode [ 71.492113][ T8599] device hsr_slave_1 entered promiscuous mode [ 71.531748][ T8599] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.539342][ T8599] Cannot create hsr debugfs directory [ 71.558235][ T8586] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.640778][ T8589] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.700074][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.708902][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.727773][ T8597] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 71.778240][ T8589] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.797668][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.808027][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.817053][ T8597] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 71.888036][ T8597] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 71.959711][ T8592] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.970128][ T2976] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.979516][ T2976] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.988477][ T2976] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.995623][ T2976] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.005305][ T2976] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.013716][ T2976] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.022885][ T2976] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.031467][ T2976] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.038553][ T2976] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.047427][ T8597] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.096392][ T8594] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.118333][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.127017][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.135988][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.144894][ T2977] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.175806][ T8586] device veth0_vlan entered promiscuous mode [ 72.186446][ T2976] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.205711][ T8599] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 72.247843][ T8594] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.259930][ T8586] device veth1_vlan entered promiscuous mode [ 72.270851][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.279251][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.287152][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.296650][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.304500][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.315738][ T8592] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.325058][ T8599] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 72.394340][ T8599] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 72.464339][ T8599] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 72.504969][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.516962][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.525725][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.534624][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.543205][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.551898][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.560338][ T2736] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.567589][ T2736] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.575873][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.584520][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.594206][ T2736] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.601258][ T2736] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.608851][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.617675][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.626063][ T2736] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.633226][ T2736] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.640757][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.649713][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.658045][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.666329][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.712004][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.720417][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.738148][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.748295][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.761285][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.770352][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.784814][ T2772] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.791933][ T2772] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.803597][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 177.741613][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 177.748453][ C0] rcu: 0-...!: (10499 ticks this GP) idle=afa/1/0x4000000000000002 softirq=14865/14865 fqs=149 [ 177.759375][ C0] (t=10501 jiffies g=7105 q=165) [ 177.764407][ C0] rcu: rcu_preempt kthread starved for 10204 jiffies! g7105 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 177.775492][ C0] rcu: RCU grace-period kthread stack dump: [ 177.781370][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 177.789257][ C0] Call Trace: [ 177.792545][ C0] __schedule+0x9a0/0xcc0 [ 177.796877][ C0] schedule+0x181/0x210 [ 177.801026][ C0] schedule_timeout+0x14f/0x240 [ 177.806136][ C0] ? run_local_timers+0x120/0x120 [ 177.811327][ C0] rcu_gp_kthread+0xed8/0x1770 [ 177.816098][ C0] kthread+0x332/0x350 [ 177.820151][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 177.825254][ C0] ? kthread_blkcg+0xe0/0xe0 [ 177.829832][ C0] ret_from_fork+0x24/0x30 [ 177.834251][ C0] NMI backtrace for cpu 0 [ 177.838869][ C0] CPU: 0 PID: 4324 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 177.846656][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.856713][ C0] Call Trace: [ 177.860159][ C0] [ 177.863003][ C0] dump_stack+0x1fb/0x318 [ 177.867328][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 177.872169][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 177.878314][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 177.884372][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 177.890344][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 177.896225][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 177.901330][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 177.906523][ C0] ? trace_hardirqs_off+0x74/0x80 [ 177.911544][ C0] update_process_times+0x12d/0x180 [ 177.916739][ C0] tick_sched_timer+0x263/0x420 [ 177.921583][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.927120][ C0] __hrtimer_run_queues+0x403/0x840 [ 177.932324][ C0] hrtimer_interrupt+0x38c/0xda0 [ 177.937745][ C0] ? debug_smp_processor_id+0x9/0x20 [ 177.943117][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 177.948653][ C0] apic_timer_interrupt+0xf/0x20 [ 177.953591][ C0] [ 177.956522][ C0] RIP: 0010:mod_memcg_page_state+0x30/0x190 [ 177.962404][ C0] Code: 41 56 41 54 53 41 89 f6 48 89 fb e8 ba 27 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 80 3c 20 00 <74> 08 48 89 df e8 e6 8f 6a 00 48 8b 1b 48 85 db 0f 84 d8 00 00 00 [ 177.981998][ C0] RSP: 0018:ffffc90001957ae0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 177.990395][ C0] RAX: 1ffffd4000465b07 RBX: ffffea000232d838 RCX: ffff8880a9508340 [ 177.998599][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000232d800 [ 178.006889][ C0] RBP: ffffc90001957b00 R08: dffffc0000000000 R09: fffffbfff124248a [ 178.014946][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: dffffc0000000000 [ 178.022912][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888090d735b8 [ 178.030903][ C0] free_thread_stack+0x168/0x590 [ 178.035839][ C0] put_task_stack+0xa3/0x130 [ 178.040428][ C0] finish_task_switch+0x3f1/0x550 [ 178.045453][ C0] __schedule+0x9a8/0xcc0 [ 178.049782][ C0] schedule+0x181/0x210 [ 178.053930][ C0] schedule_hrtimeout_range_clock+0x108/0x510 [ 178.059988][ C0] ? _raw_spin_unlock_irq+0x22/0x80 [ 178.065178][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 178.070546][ C0] ep_poll+0xa4d/0xe80 [ 178.074640][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 178.080021][ C0] ? do_task_dead+0xc0/0xc0 [ 178.084541][ C0] do_epoll_wait+0x1ee/0x260 [ 178.089268][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 178.094297][ C0] do_syscall_64+0xf7/0x1c0 [ 178.098832][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.104737][ C0] RIP: 0033:0x7f4391308943 [ 178.109151][ C0] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 178.128840][ C0] RSP: 002b:00007ffca89bb7f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 178.137246][ C0] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f4391308943 [ 178.145206][ C0] RDX: 0000000000000008 RSI: 00007ffca89bb8f0 RDI: 000000000000000a [ 178.153168][ C0] RBP: 0000000000000000 R08: 0000000001ae50d0 R09: 00007f43913521d0 [ 178.161130][ C0] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000003 [ 178.169093][ C0] R13: 0000000000000010 R14: 0000000001afe410 R15: 0000000001ae5250