Warning: Permanently added '10.128.0.23' (ECDSA) to the list of known hosts. 2019/12/02 21:12:27 fuzzer started 2019/12/02 21:12:28 dialing manager at 10.128.0.26:38907 2019/12/02 21:12:28 syscalls: 2697 2019/12/02 21:12:28 code coverage: enabled 2019/12/02 21:12:28 comparison tracing: enabled 2019/12/02 21:12:28 extra coverage: extra coverage is not supported by the kernel 2019/12/02 21:12:28 setuid sandbox: enabled 2019/12/02 21:12:28 namespace sandbox: enabled 2019/12/02 21:12:28 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/02 21:12:28 fault injection: enabled 2019/12/02 21:12:28 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/02 21:12:28 net packet injection: enabled 2019/12/02 21:12:28 net device setup: enabled 2019/12/02 21:12:28 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/02 21:12:28 devlink PCI setup: PCI device 0000:00:10.0 is not available 21:12:29 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) bind$bt_l2cap(r2, &(0x7f0000000000)={0x1f, 0x0, {}, 0x0, 0x2}, 0xe) r3 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) bind$bt_l2cap(r3, &(0x7f0000000000)={0x1f, 0x0, {}, 0x0, 0x2}, 0xe) r4 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) bind$bt_l2cap(r4, &(0x7f0000000000)={0x1f, 0x0, {}, 0x0, 0x2}, 0xe) syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) r5 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) bind$bt_l2cap(r5, &(0x7f0000000000)={0x1f, 0x0, {}, 0x0, 0x2}, 0xe) 21:12:30 executing program 1: r0 = syz_open_dev$vbi(&(0x7f0000000000)='/dev/vbi#\x00', 0x1, 0x2) ioctl$VIDIOC_ENUMSTD(r0, 0xc0485619, &(0x7f0000000100)={0x14, 0x0, "5a4eaad23bbac6608de17a3a0b52e5edc4c5dc319ff3eec2"}) syzkaller login: [ 56.217284][ T8139] IPVS: ftp: loaded support on port[0] = 21 [ 56.298811][ T8141] IPVS: ftp: loaded support on port[0] = 21 21:12:30 executing program 2: r0 = perf_event_open(&(0x7f00000003c0)={0x2, 0x70, 0xeb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_QUERY_BPF(r0, 0x40082406, 0x0) [ 56.442323][ T8139] chnl_net:caif_netlink_parms(): no params data found [ 56.508440][ T8141] chnl_net:caif_netlink_parms(): no params data found [ 56.552494][ T8139] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.561894][ T8139] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.570409][ T8139] device bridge_slave_0 entered promiscuous mode [ 56.586869][ T8139] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.595733][ T8139] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.605584][ T8139] device bridge_slave_1 entered promiscuous mode [ 56.613537][ T8141] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.639390][ T8141] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.647083][ T8141] device bridge_slave_0 entered promiscuous mode 21:12:30 executing program 3: setitimer(0x0, &(0x7f0000000040)={{0x0, 0x2710}, {0x77359400}}, 0x0) getitimer(0x0, &(0x7f0000000280)) [ 56.682645][ T8141] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.693566][ T8145] IPVS: ftp: loaded support on port[0] = 21 [ 56.700509][ T8141] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.713776][ T8141] device bridge_slave_1 entered promiscuous mode [ 56.722446][ T8139] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.757686][ T8139] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.785886][ T8141] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.819248][ T8141] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.844760][ T8139] team0: Port device team_slave_0 added [ 56.872412][ T8139] team0: Port device team_slave_1 added [ 56.897973][ T8141] team0: Port device team_slave_0 added 21:12:30 executing program 4: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f0000000100)={0x0, 0x0}) process_vm_readv(r2, &(0x7f0000000380)=[{&(0x7f0000000340)=""/61, 0x3d}], 0x1, &(0x7f0000002540)=[{&(0x7f00000003c0)=""/63, 0x7ffff002}], 0x2, 0x0) [ 57.005401][ T8139] device hsr_slave_0 entered promiscuous mode [ 57.081396][ T8139] device hsr_slave_1 entered promiscuous mode [ 57.125813][ T8141] team0: Port device team_slave_1 added [ 57.141036][ T8147] IPVS: ftp: loaded support on port[0] = 21 [ 57.164428][ T8150] IPVS: ftp: loaded support on port[0] = 21 21:12:31 executing program 5: rt_sigprocmask(0x0, &(0x7f0000000000)={0xfffefffffffffffa}, 0x0, 0x8) r0 = gettid() socketpair$unix(0x1, 0x8000000000001, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) timer_create(0x2, &(0x7f0000000180)={0x0, 0x17, 0x4, @tid=r0}, &(0x7f0000000080)) timer_settime(0x0, 0x236bd4336e4642df, &(0x7f0000000300)={{0x0, 0x1}, {0x0, 0xe4c}}, 0x0) ppoll(0x0, 0x0, &(0x7f0000000200)={0x0, 0x989680}, &(0x7f00000000c0), 0x8) [ 57.301942][ T8141] device hsr_slave_0 entered promiscuous mode [ 57.339787][ T8141] device hsr_slave_1 entered promiscuous mode [ 57.389653][ T8141] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.408995][ T8145] chnl_net:caif_netlink_parms(): no params data found [ 57.445315][ T8139] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.493049][ T8139] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.560893][ T8139] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.571198][ T8152] IPVS: ftp: loaded support on port[0] = 21 [ 57.660149][ T8139] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.690632][ T8145] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.697750][ T8145] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.705755][ T8145] device bridge_slave_0 entered promiscuous mode [ 57.715121][ T8145] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.722228][ T8145] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.729998][ T8145] device bridge_slave_1 entered promiscuous mode [ 57.766728][ T8145] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.781654][ T8145] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.802095][ T8145] team0: Port device team_slave_0 added [ 57.826783][ T8145] team0: Port device team_slave_1 added [ 57.911959][ T8145] device hsr_slave_0 entered promiscuous mode [ 57.949877][ T8145] device hsr_slave_1 entered promiscuous mode [ 57.999506][ T8145] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.013509][ T8141] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.081406][ T8141] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.179837][ T8141] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.225888][ T8147] chnl_net:caif_netlink_parms(): no params data found [ 58.238115][ T8150] chnl_net:caif_netlink_parms(): no params data found [ 58.251175][ T8141] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.327626][ T8145] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.386341][ T8145] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.465559][ T8145] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.503134][ T8145] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.580259][ T8147] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.587404][ T8147] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.596599][ T8147] device bridge_slave_0 entered promiscuous mode [ 58.636200][ T8147] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.644536][ T8147] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.653191][ T8147] device bridge_slave_1 entered promiscuous mode [ 58.660313][ T8150] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.667358][ T8150] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.677862][ T8150] device bridge_slave_0 entered promiscuous mode [ 58.686036][ T8150] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.693943][ T8150] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.701764][ T8150] device bridge_slave_1 entered promiscuous mode [ 58.727248][ T8152] chnl_net:caif_netlink_parms(): no params data found [ 58.748573][ T8141] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.777965][ T8147] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.789917][ T8147] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.821424][ T8150] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.832508][ T8150] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.843637][ T8147] team0: Port device team_slave_0 added [ 58.855353][ T8139] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.864636][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.875981][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.887887][ T8141] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.903863][ T8147] team0: Port device team_slave_1 added [ 58.926508][ T8150] team0: Port device team_slave_0 added [ 58.943581][ T8150] team0: Port device team_slave_1 added [ 59.002184][ T8147] device hsr_slave_0 entered promiscuous mode [ 59.039758][ T8147] device hsr_slave_1 entered promiscuous mode [ 59.069496][ T8147] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.087296][ T8145] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.097755][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.106394][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.114150][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.122800][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.131543][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.138776][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.148579][ T8139] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.156679][ T8152] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.167092][ T8152] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.175007][ T8152] device bridge_slave_0 entered promiscuous mode [ 59.206404][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.215360][ T8152] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.222788][ T8152] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.230943][ T8152] device bridge_slave_1 entered promiscuous mode [ 59.250201][ T8152] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.301088][ T8150] device hsr_slave_0 entered promiscuous mode [ 59.339688][ T8150] device hsr_slave_1 entered promiscuous mode [ 59.399704][ T8150] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.416221][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.424938][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.435340][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.442453][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.451103][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.460000][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.468265][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.475388][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.483496][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.492543][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.500947][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.508004][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.521183][ T8152] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.543514][ T2717] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.553001][ T2717] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.561659][ T2717] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.571319][ T2717] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.579490][ T2717] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.588207][ T2717] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.599231][ T8145] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.619680][ T8147] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.677941][ T8147] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.751268][ T8147] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.814457][ T8147] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.883939][ T8152] team0: Port device team_slave_0 added [ 59.891334][ T8152] team0: Port device team_slave_1 added [ 59.903740][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.912792][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.921477][ T2957] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.928531][ T2957] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.936226][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.945137][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.953860][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.021442][ T8152] device hsr_slave_0 entered promiscuous mode [ 60.059911][ T8152] device hsr_slave_1 entered promiscuous mode [ 60.099420][ T8152] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.122912][ T8150] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.152230][ T8150] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.202063][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.210045][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.217746][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.226831][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.235246][ T8157] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.242358][ T8157] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.251158][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.259882][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.268795][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.277382][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.285912][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.294632][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.302970][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.311720][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.324911][ T8141] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.336740][ T8141] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.358892][ T8150] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.382286][ T2717] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.390788][ T2717] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.398924][ T2717] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.418157][ T8139] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.431023][ T8139] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.447985][ T8150] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.491102][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.502859][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.511965][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.520994][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.529590][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.538364][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.547106][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.556003][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.564387][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.572787][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.581025][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.589203][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.598144][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.606028][ T2957] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.650555][ T8141] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.661631][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.669071][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.680118][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.687718][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.697756][ T8145] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.738785][ T8139] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.755715][ T2717] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.764584][ T2717] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.793208][ T8147] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.803655][ T8152] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.874475][ T8152] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.921889][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.929708][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.941544][ T8145] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.959976][ T8152] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.002220][ T8147] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.009055][ T8152] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.040822][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.048622][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.087680][ T8150] 8021q: adding VLAN 0 to HW filter on device bond0 [ 166.089260][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.096058][ C1] rcu: 1-...!: (10499 ticks this GP) idle=b7a/1/0x4000000000000002 softirq=10669/10670 fqs=2 [ 166.106523][ C1] (t=10500 jiffies g=6273 q=111) [ 166.111541][ C1] rcu: rcu_preempt kthread starved for 10495 jiffies! g6273 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.122620][ C1] rcu: RCU grace-period kthread stack dump: [ 166.128511][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.136417][ C1] Call Trace: [ 166.139727][ C1] __schedule+0x9a0/0xcc0 [ 166.144065][ C1] schedule+0x181/0x210 [ 166.148220][ C1] schedule_timeout+0x14f/0x240 [ 166.153067][ C1] ? run_local_timers+0x120/0x120 [ 166.158089][ C1] rcu_gp_kthread+0xed8/0x1770 [ 166.162852][ C1] kthread+0x332/0x350 [ 166.166906][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 166.172002][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.176578][ C1] ret_from_fork+0x24/0x30 [ 166.180997][ C1] NMI backtrace for cpu 1 [ 166.185318][ C1] CPU: 1 PID: 8157 Comm: kworker/1:3 Not tainted 5.4.0-syzkaller #0 [ 166.193275][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.203325][ C1] Workqueue: events linkwatch_event [ 166.208506][ C1] Call Trace: [ 166.211774][ C1] [ 166.214613][ C1] dump_stack+0x1fb/0x318 [ 166.218931][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.223766][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.229921][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.235973][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.241941][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.247818][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.254312][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.259506][ C1] ? trace_hardirqs_off+0x74/0x80 [ 166.264526][ C1] update_process_times+0x12d/0x180 [ 166.269717][ C1] tick_sched_timer+0x263/0x420 [ 166.274817][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.280384][ C1] __hrtimer_run_queues+0x403/0x840 [ 166.285589][ C1] hrtimer_interrupt+0x38c/0xda0 [ 166.290535][ C1] ? debug_smp_processor_id+0x9/0x20 [ 166.295811][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 166.301346][ C1] apic_timer_interrupt+0xf/0x20 [ 166.306273][ C1] [ 166.309204][ C1] RIP: 0010:__memcg_kmem_uncharge+0x219/0x2e0 [ 166.315277][ C1] Code: 4b 0d 89 e8 59 97 00 00 bf 01 00 00 00 e8 2f e3 9b ff 65 8b 05 d4 fd 4a 7e 85 c0 74 53 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f <5d> c3 49 8d 5f 10 48 89 df be 08 00 00 00 e8 04 c1 fa ff 48 8b 45 [ 166.334892][ C1] RSP: 0018:ffffc90002067890 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 166.343300][ C1] RAX: 0000000000000001 RBX: ffffea0002443b00 RCX: 0000000000000000 [ 166.351261][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002443b00 [ 166.359220][ C1] RBP: ffffc90002067890 R08: 000000000003a768 R09: ffffed10120bd687 [ 166.367179][ C1] R10: ffffed10120bd687 R11: 0000000000000000 R12: ffff88809fca8e20 [ 166.375147][ C1] R13: dffffc0000000000 R14: 1ffff11013f951c4 R15: ffff8880905eb428 [ 166.383129][ C1] free_thread_stack+0x12e/0x590 [ 166.388057][ C1] put_task_stack+0xa3/0x130 [ 166.392637][ C1] finish_task_switch+0x3f1/0x550 [ 166.397655][ C1] __schedule+0x9a8/0xcc0 [ 166.401978][ C1] ? ___preempt_schedule+0x16/0x18 [ 166.407103][ C1] preempt_schedule+0xdb/0x120 [ 166.411874][ C1] ___preempt_schedule+0x16/0x18 [ 166.416829][ C1] try_to_wake_up+0xe78/0x1050 [ 166.421611][ C1] wake_up_q+0x8c/0xe0 [ 166.425676][ C1] __mutex_unlock_slowpath+0x586/0x5b0 [ 166.431126][ C1] mutex_unlock+0x1b/0x30 [ 166.435454][ C1] __rtnl_unlock+0x2c/0xa0 [ 166.439857][ C1] netdev_run_todo+0xe5/0xe10 [ 166.444522][ C1] ? _raw_spin_unlock_irq+0x64/0x80 [ 166.449706][ C1] ? __linkwatch_run_queue+0x6ed/0x730 [ 166.455156][ C1] rtnl_unlock+0xe/0x10 [ 166.459300][ C1] linkwatch_event+0x51/0x60 [ 166.463886][ C1] process_one_work+0x7ef/0x10d0 [ 166.468826][ C1] worker_thread+0xc01/0x1630 [ 166.473514][ C1] kthread+0x332/0x350 [ 166.477566][ C1] ? rcu_lock_release+0x30/0x30 [ 166.482404][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.486983][ C1] ret_from_fork+0x24/0x30