Warning: Permanently added '10.128.10.14' (ECDSA) to the list of known hosts. 2020/01/08 09:38:37 fuzzer started 2020/01/08 09:38:38 dialing manager at 10.128.0.26:35703 2020/01/08 09:38:38 syscalls: 2824 2020/01/08 09:38:38 code coverage: enabled 2020/01/08 09:38:38 comparison tracing: enabled 2020/01/08 09:38:38 extra coverage: enabled 2020/01/08 09:38:38 setuid sandbox: enabled 2020/01/08 09:38:38 namespace sandbox: enabled 2020/01/08 09:38:38 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 09:38:38 fault injection: enabled 2020/01/08 09:38:38 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 09:38:38 net packet injection: enabled 2020/01/08 09:38:38 net device setup: enabled 2020/01/08 09:38:38 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 09:38:38 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:38:39 executing program 0: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount$overlay(0x40000f, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}], [], 0xf603000000000000}) 09:38:39 executing program 1: unshare(0x2000400) r0 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x0, 0x0) ioctl$EVIOCSCLOCKID(r0, 0x80084504, 0x0) syzkaller login: [ 62.399918][ T8455] IPVS: ftp: loaded support on port[0] = 21 09:38:39 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x42, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') connect$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x1c) sendfile(r0, r1, &(0x7f0000000040)=0x100000, 0x8001) [ 62.543615][ T8457] IPVS: ftp: loaded support on port[0] = 21 [ 62.601100][ T8455] chnl_net:caif_netlink_parms(): no params data found [ 62.688550][ T8455] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.698022][ T8455] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.707064][ T8455] device bridge_slave_0 entered promiscuous mode [ 62.752099][ T8455] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.759161][ T8455] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.767101][ T8455] device bridge_slave_1 entered promiscuous mode [ 62.785594][ T8461] IPVS: ftp: loaded support on port[0] = 21 09:38:40 executing program 3: unshare(0x400) r0 = userfaultfd(0x0) r1 = socket$kcm(0xa, 0x6, 0x0) r2 = dup3(r1, r0, 0x0) bind$bt_sco(r2, 0x0, 0x0) [ 62.818264][ T8455] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.849376][ T8457] chnl_net:caif_netlink_parms(): no params data found [ 62.859209][ T8455] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.908226][ T8455] team0: Port device team_slave_0 added [ 62.956716][ T8455] team0: Port device team_slave_1 added [ 62.994603][ T8457] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.013100][ T8457] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.033949][ T8457] device bridge_slave_0 entered promiscuous mode [ 63.055862][ T8457] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.071292][ T8457] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.078865][ T8457] device bridge_slave_1 entered promiscuous mode [ 63.107623][ T8463] IPVS: ftp: loaded support on port[0] = 21 09:38:40 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0x1) setresuid(0x0, r3, 0x0) prctl$PR_CAPBSET_DROP(0x18, 0x0) [ 63.186542][ T8455] device hsr_slave_0 entered promiscuous mode [ 63.252463][ T8455] device hsr_slave_1 entered promiscuous mode 09:38:40 executing program 5: r0 = syz_open_dev$dri(&(0x7f0000000000)='/dev/dri/card#\x00', 0x0, 0x0) ioctl(r0, 0x890b, 0x0) [ 63.334742][ T8457] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.369161][ T8465] IPVS: ftp: loaded support on port[0] = 21 [ 63.400306][ T8457] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.498275][ T8457] team0: Port device team_slave_0 added [ 63.522592][ T8461] chnl_net:caif_netlink_parms(): no params data found [ 63.534241][ T8457] team0: Port device team_slave_1 added [ 63.615054][ T8463] chnl_net:caif_netlink_parms(): no params data found [ 63.629922][ T8468] IPVS: ftp: loaded support on port[0] = 21 [ 63.672781][ T8457] device hsr_slave_0 entered promiscuous mode [ 63.721511][ T8457] device hsr_slave_1 entered promiscuous mode [ 63.791284][ T8457] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.799024][ T8457] Cannot create hsr debugfs directory [ 63.814038][ T8461] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.822311][ T8461] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.829835][ T8461] device bridge_slave_0 entered promiscuous mode [ 63.839805][ T8461] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.846972][ T8461] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.854954][ T8461] device bridge_slave_1 entered promiscuous mode [ 63.904496][ T8461] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.920280][ T8463] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.930238][ T8463] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.938010][ T8463] device bridge_slave_0 entered promiscuous mode [ 63.964645][ T8461] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.974134][ T8463] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.981415][ T8463] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.988890][ T8463] device bridge_slave_1 entered promiscuous mode [ 64.005813][ T8455] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.055845][ T8455] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.106359][ T8455] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.168377][ T8463] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.180325][ T8463] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.210630][ T8455] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.272080][ T8461] team0: Port device team_slave_0 added [ 64.283495][ T8463] team0: Port device team_slave_0 added [ 64.316779][ T8461] team0: Port device team_slave_1 added [ 64.326078][ T8463] team0: Port device team_slave_1 added [ 64.339828][ T8457] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.413793][ T8457] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.477354][ T8465] chnl_net:caif_netlink_parms(): no params data found [ 64.496775][ T8457] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.557702][ T8457] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.653405][ T8461] device hsr_slave_0 entered promiscuous mode [ 64.701566][ T8461] device hsr_slave_1 entered promiscuous mode [ 64.731286][ T8461] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.738864][ T8461] Cannot create hsr debugfs directory [ 64.783884][ T8463] device hsr_slave_0 entered promiscuous mode [ 64.821931][ T8463] device hsr_slave_1 entered promiscuous mode [ 64.891288][ T8463] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.898976][ T8463] Cannot create hsr debugfs directory [ 64.993002][ T8465] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.000100][ T8465] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.010179][ T8465] device bridge_slave_0 entered promiscuous mode [ 65.018940][ T8465] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.026473][ T8465] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.034191][ T8465] device bridge_slave_1 entered promiscuous mode [ 65.081914][ T8465] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.103703][ T8465] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.119734][ T8468] chnl_net:caif_netlink_parms(): no params data found [ 65.161854][ T8465] team0: Port device team_slave_0 added [ 65.188125][ T8465] team0: Port device team_slave_1 added [ 65.198245][ T8455] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.253121][ T8463] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 65.295318][ T8463] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 65.361716][ T8468] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.368918][ T8468] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.378009][ T8468] device bridge_slave_0 entered promiscuous mode [ 65.388527][ T8468] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.395675][ T8468] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.396341][ T8468] device bridge_slave_1 entered promiscuous mode [ 65.409805][ T8463] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.463700][ T8463] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.545147][ T8465] device hsr_slave_0 entered promiscuous mode [ 65.591550][ T8465] device hsr_slave_1 entered promiscuous mode [ 65.631384][ T8465] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.638998][ T8465] Cannot create hsr debugfs directory [ 65.649052][ T8461] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.704263][ T8461] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.783762][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.792415][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.801531][ T8455] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.808397][ T8461] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.844928][ T8461] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.904099][ T8468] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.917478][ T8468] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.949625][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.958447][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.967324][ T2737] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.974513][ T2737] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.985001][ T8457] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.002929][ T8468] team0: Port device team_slave_0 added [ 66.024009][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.038394][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.047402][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.056224][ T2737] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.063319][ T2737] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.089447][ T8457] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.104435][ T8468] team0: Port device team_slave_1 added [ 66.124715][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.135314][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.143152][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.151743][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.214613][ T8468] device hsr_slave_0 entered promiscuous mode [ 66.261446][ T8468] device hsr_slave_1 entered promiscuous mode [ 66.321367][ T8468] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.328941][ T8468] Cannot create hsr debugfs directory [ 66.346470][ T8465] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.384505][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.393117][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.401722][ T2996] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.410323][ T2996] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.417920][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.426364][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.434792][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.443459][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.467314][ T8465] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 66.504273][ T8465] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 66.552951][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.561700][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.569541][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.577780][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.597624][ T8455] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.609004][ T8455] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.618135][ T8465] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 66.667785][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.676560][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.685169][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.694706][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.703276][ T2873] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.710305][ T2873] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.783741][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.796101][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.806245][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.814199][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.821676][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.830025][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.840421][ T2873] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.856489][ T8455] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.872251][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.880641][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.889751][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.898145][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.906554][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.914758][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.943204][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.967669][ T8461] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.975853][ T8468] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 67.003503][ T8468] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 67.058378][ T8468] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 67.133513][ T8468] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 67.186724][ T8461] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.209990][ T8463] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.216959][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.225332][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.233501][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.242280][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.250648][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.258377][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.265985][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.274829][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.283505][ T2996] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.290543][ T2996] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.299354][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.315039][ T8457] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.349076][ T8455] device veth0_vlan entered promiscuous mode [ 67.364382][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.373421][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.382819][ T2871] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.389880][ T2871] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.397898][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.406383][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.415247][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.423808][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.432477][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.440428][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.449756][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.457765][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.465793][ T2871] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.479470][ T8455] device veth1_vlan entered promiscuous mode [ 67.495400][ T8463] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.505155][ T8465] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.524944][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.545260][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.553721][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.567131][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.599945][ T8461] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.616401][ T8461] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.629919][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.642206][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.650403][ T2996] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.657510][ T2996] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.665141][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.673646][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.683042][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.691600][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.699923][ T2996] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.707013][ T2996] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.714623][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.723018][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.731383][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.739852][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.748485][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.757004][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.766298][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.774946][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.784952][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.792794][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.833658][ T8474] overlayfs: missing 'workdir' [ 67.838639][ T8465] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.904148][ T8465] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 172.851150][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 172.858030][ C0] rcu: 0-...!: (10499 ticks this GP) idle=99e/1/0x4000000000000002 softirq=13053/13053 fqs=3 [ 172.868502][ C0] (t=10500 jiffies g=6309 q=244) [ 172.873537][ C0] rcu: rcu_preempt kthread starved for 10494 jiffies! g6309 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 172.884619][ C0] rcu: RCU grace-period kthread stack dump: [ 172.890491][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 172.898376][ C0] Call Trace: [ 172.901657][ C0] __schedule+0x9a0/0xcc0 [ 172.906008][ C0] schedule+0x181/0x210 [ 172.910170][ C0] schedule_timeout+0x14f/0x240 [ 172.915021][ C0] ? run_local_timers+0x120/0x120 [ 172.920045][ C0] rcu_gp_kthread+0xed8/0x1770 [ 172.924807][ C0] kthread+0x332/0x350 [ 172.928863][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 172.934092][ C0] ? kthread_blkcg+0xe0/0xe0 [ 172.938676][ C0] ret_from_fork+0x24/0x30 [ 172.943094][ C0] NMI backtrace for cpu 0 [ 172.947503][ C0] CPU: 0 PID: 8474 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 172.956183][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.966226][ C0] Call Trace: [ 172.969499][ C0] [ 172.972343][ C0] dump_stack+0x1fb/0x318 [ 172.976665][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 172.981502][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 172.987642][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 172.993695][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 172.999664][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 173.005541][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 173.010649][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 173.015841][ C0] ? trace_hardirqs_off+0x74/0x80 [ 173.020855][ C0] update_process_times+0x12d/0x180 [ 173.026046][ C0] tick_sched_timer+0x263/0x420 [ 173.030884][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 173.036419][ C0] __hrtimer_run_queues+0x403/0x840 [ 173.041621][ C0] hrtimer_interrupt+0x38c/0xda0 [ 173.046561][ C0] ? debug_smp_processor_id+0x9/0x20 [ 173.051835][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 173.057392][ C0] apic_timer_interrupt+0xf/0x20 [ 173.062326][ C0] [ 173.065261][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 173.071318][ C0] Code: e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 f4 ed 07 48 89 de e8 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 <65> 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 [ 173.090913][ C0] RSP: 0018:ffffc90002517858 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 173.099316][ C0] RAX: ffffffff81489244 RBX: ffffea00025d18c0 RCX: ffff88809750e040 [ 173.107280][ C0] RDX: ffffc90001fe9000 RSI: 000000000003ffff RDI: 0000000000040000 [ 173.115242][ C0] RBP: ffffc90002517898 R08: dffffc0000000000 R09: fffffbfff12c962d [ 173.123201][ C0] R10: fffffbfff12c962d R11: 0000000000000000 R12: ffff88808f374920 [ 173.131160][ C0] R13: dffffc0000000000 R14: 1ffff11011e6e924 R15: ffff88809ee2d5b8 [ 173.139132][ C0] ? free_thread_stack+0x124/0x590 [ 173.144238][ C0] ? free_thread_stack+0x124/0x590 [ 173.149338][ C0] put_task_stack+0xa3/0x130 [ 173.153924][ C0] finish_task_switch+0x3f1/0x550 [ 173.158944][ C0] __schedule+0x9a8/0xcc0 [ 173.163268][ C0] ? ___preempt_schedule+0x16/0x18 [ 173.168367][ C0] preempt_schedule+0xdb/0x120 [ 173.173118][ C0] ___preempt_schedule+0x16/0x18 [ 173.178044][ C0] try_to_wake_up+0xe78/0x1050 [ 173.182804][ C0] ? do_raw_spin_unlock+0x142/0x950 [ 173.187993][ C0] wake_up_q+0x8c/0xe0 [ 173.192057][ C0] futex_wake+0x51c/0x6f0 [ 173.196381][ C0] do_futex+0x3f5/0x3d60 [ 173.200743][ C0] ? __lock_acquire+0xc75/0x1be0 [ 173.205691][ C0] ? _raw_spin_unlock_irqrestore+0xb7/0xe0 [ 173.211500][ C0] ? __might_fault+0xf9/0x160 [ 173.216177][ C0] ? __might_fault+0xf9/0x160 [ 173.220846][ C0] ? check_preemption_disabled+0xb4/0x260 [ 173.226558][ C0] ? debug_smp_processor_id+0x9/0x20 [ 173.231850][ C0] __se_sys_futex+0x28c/0x360 [ 173.236542][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 173.242253][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 173.247961][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 173.253426][ C0] __x64_sys_futex+0xe5/0x100 [ 173.258095][ C0] do_syscall_64+0xf7/0x1c0 [ 173.262597][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.268480][ C0] RIP: 0033:0x45af49 [ 173.272380][ C0] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 173.291992][ C0] RSP: 002b:00007f1be34f0cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 173.300420][ C0] RAX: ffffffffffffffda RBX: 000000000075bf28 RCX: 000000000045af49 [ 173.310205][ C0] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000075bf2c [ 173.318165][ C0] RBP: 000000000075bf20 R08: 0000000000000011 R09: 0000000000000000 [ 173.326128][ C0] R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000075bf2c [ 173.334087][ C0] R13: 00007fffa584945f R14: 00007f1be34f19c0 R15: 000000000075bf2c