Warning: Permanently added '10.128.0.255' (ECDSA) to the list of known hosts. 2020/01/08 06:20:39 fuzzer started 2020/01/08 06:20:40 dialing manager at 10.128.0.26:35703 2020/01/08 06:20:40 syscalls: 2824 2020/01/08 06:20:40 code coverage: enabled 2020/01/08 06:20:40 comparison tracing: enabled 2020/01/08 06:20:40 extra coverage: enabled 2020/01/08 06:20:40 setuid sandbox: enabled 2020/01/08 06:20:40 namespace sandbox: enabled 2020/01/08 06:20:40 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:20:40 fault injection: enabled 2020/01/08 06:20:40 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:20:40 net packet injection: enabled 2020/01/08 06:20:40 net device setup: enabled 2020/01/08 06:20:40 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:20:40 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:20:41 executing program 0: r0 = syz_open_dev$sg(&(0x7f0000000280)='/dev/sg#\x00', 0x0, 0x0) r1 = socket$unix(0x1, 0x2, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ppoll(&(0x7f0000000080)=[{r1, 0x284}, {r0}], 0x2, 0x0, 0x0, 0x0) 06:20:41 executing program 1: ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) sendmsg$alg(0xffffffffffffffff, &(0x7f0000000780)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000840)=ANY=[@ANYBLOB]}, 0x0) socket(0x0, 0x2, 0x0) r0 = syz_open_dev$vbi(&(0x7f0000000080)='/dev/vbi#\x00', 0xffffffffffffffff, 0x2) ioctl$VIDIOC_QBUF(r0, 0xc058560f, &(0x7f00000000c0)={0x0, 0x6, 0x4}) openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0) openat$cgroup_int(0xffffffffffffffff, &(0x7f0000000040)='memory.high\x00', 0x2, 0x0) syzkaller login: [ 66.641477][ T8521] IPVS: ftp: loaded support on port[0] = 21 06:20:41 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x3, 0x4, &(0x7f0000000000)=@framed={{0x18, 0x2}, [@call={0x85, 0x0, 0x0, 0x57}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 66.810774][ T8523] IPVS: ftp: loaded support on port[0] = 21 [ 66.857082][ T8521] chnl_net:caif_netlink_parms(): no params data found [ 66.990105][ T8521] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.001236][ T8521] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.010010][ T8521] device bridge_slave_0 entered promiscuous mode [ 67.033107][ T8521] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.042952][ T8521] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.051225][ T8521] device bridge_slave_1 entered promiscuous mode [ 67.074862][ T8521] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 06:20:42 executing program 3: r0 = syz_open_dev$dri(&(0x7f0000000040)='/dev/dri/card#\x00', 0x0, 0x0) ioctl$DRM_IOCTL_GET_CLIENT(r0, 0xc0286405, &(0x7f0000000380)={0x3, 0x0, {}, {}, 0xee01}) [ 67.096922][ T8521] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.106513][ T8523] chnl_net:caif_netlink_parms(): no params data found [ 67.135752][ T8527] IPVS: ftp: loaded support on port[0] = 21 [ 67.162590][ T8521] team0: Port device team_slave_0 added [ 67.206921][ T8521] team0: Port device team_slave_1 added [ 67.259255][ T8523] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.276211][ T8523] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.296719][ T8523] device bridge_slave_0 entered promiscuous mode [ 67.318732][ T8523] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.328564][ T8523] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.336575][ T8523] device bridge_slave_1 entered promiscuous mode 06:20:42 executing program 4: r0 = memfd_create(&(0x7f0000000200)='queue1\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00@\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\t\x00', 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000000080)='/dev/snd/seq\x00', 0x0, 0x20a81) r2 = dup2(r1, r0) lsetxattr$system_posix_acl(0x0, 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB="020000000100000000000000040000000000000008000000", @ANYRES32, @ANYBLOB='\b\x00\x00\x00', @ANYRES32, @ANYBLOB="100006000000000020"], 0x5, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r2, 0xc08c5332, &(0x7f0000000400)={0x0, 0x0, 0x0, 'queue0\x00'}) write$P9_RLINK(r2, &(0x7f0000000280)={0x7}, 0x269) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r2, 0x4040534e, &(0x7f0000000000)={0x103ee, @time}) [ 67.427180][ T8521] device hsr_slave_0 entered promiscuous mode [ 67.505561][ T8521] device hsr_slave_1 entered promiscuous mode 06:20:42 executing program 5: syz_init_net_socket$ax25(0x3, 0x5, 0xcd) [ 67.580582][ T8531] IPVS: ftp: loaded support on port[0] = 21 [ 67.591780][ T8529] IPVS: ftp: loaded support on port[0] = 21 [ 67.619936][ T8523] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.668825][ T8523] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.754356][ T8523] team0: Port device team_slave_0 added [ 67.763297][ T8523] team0: Port device team_slave_1 added [ 67.829356][ T8533] IPVS: ftp: loaded support on port[0] = 21 [ 67.847988][ T8527] chnl_net:caif_netlink_parms(): no params data found [ 67.917226][ T8523] device hsr_slave_0 entered promiscuous mode [ 67.955400][ T8523] device hsr_slave_1 entered promiscuous mode [ 67.994650][ T8523] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.002459][ T8523] Cannot create hsr debugfs directory [ 68.061041][ T8521] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.096456][ T8521] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.148166][ T8521] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.209332][ T8521] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.291003][ T8527] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.298827][ T8527] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.308197][ T8527] device bridge_slave_0 entered promiscuous mode [ 68.318346][ T8527] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.326827][ T8527] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.334826][ T8527] device bridge_slave_1 entered promiscuous mode [ 68.383274][ T8531] chnl_net:caif_netlink_parms(): no params data found [ 68.421764][ T8527] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.461828][ T8527] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.494874][ T8531] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.501958][ T8531] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.509829][ T8531] device bridge_slave_0 entered promiscuous mode [ 68.519479][ T8531] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.526614][ T8531] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.534614][ T8531] device bridge_slave_1 entered promiscuous mode [ 68.582632][ T8527] team0: Port device team_slave_0 added [ 68.611123][ T8523] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.677580][ T8527] team0: Port device team_slave_1 added [ 68.683340][ T8523] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.726887][ T8523] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.768271][ T8531] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.777774][ T8529] chnl_net:caif_netlink_parms(): no params data found [ 68.787547][ T8531] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.803246][ T8533] chnl_net:caif_netlink_parms(): no params data found [ 68.820698][ T8523] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.912769][ T8531] team0: Port device team_slave_0 added [ 68.938807][ T8531] team0: Port device team_slave_1 added [ 68.976392][ T8527] device hsr_slave_0 entered promiscuous mode [ 69.014731][ T8527] device hsr_slave_1 entered promiscuous mode [ 69.087349][ T8527] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.095019][ T8527] Cannot create hsr debugfs directory [ 69.187546][ T8531] device hsr_slave_0 entered promiscuous mode [ 69.224877][ T8531] device hsr_slave_1 entered promiscuous mode [ 69.264558][ T8531] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.272287][ T8531] Cannot create hsr debugfs directory [ 69.295768][ T8533] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.302951][ T8533] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.311006][ T8533] device bridge_slave_0 entered promiscuous mode [ 69.334527][ T8529] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.341627][ T8529] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.349595][ T8529] device bridge_slave_0 entered promiscuous mode [ 69.361304][ T8533] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.369678][ T8533] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.377913][ T8533] device bridge_slave_1 entered promiscuous mode [ 69.407365][ T8521] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.414344][ T8529] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.421523][ T8529] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.432114][ T8529] device bridge_slave_1 entered promiscuous mode [ 69.454893][ T8529] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.497380][ T8533] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.507768][ T8529] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.546098][ T8533] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.569688][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.578204][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.612584][ T8521] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.633812][ T8529] team0: Port device team_slave_0 added [ 69.658815][ T8533] team0: Port device team_slave_0 added [ 69.669166][ T8523] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.678669][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.687386][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.696112][ T3203] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.703285][ T3203] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.711806][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.720633][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.729107][ T3203] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.736192][ T3203] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.743673][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.756063][ T8527] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.797690][ T8529] team0: Port device team_slave_1 added [ 69.803430][ T8527] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.848383][ T8533] team0: Port device team_slave_1 added [ 69.873801][ T8523] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.882590][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.891100][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.899907][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.908092][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.933548][ T8527] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 70.027687][ T8533] device hsr_slave_0 entered promiscuous mode [ 70.084798][ T8533] device hsr_slave_1 entered promiscuous mode [ 70.124535][ T8533] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.132159][ T8533] Cannot create hsr debugfs directory [ 70.145243][ T8531] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.190573][ T8531] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.257262][ T8527] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.297101][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.305843][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.314186][ T3205] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.321287][ T3205] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.329010][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.338056][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.346497][ T3205] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.353667][ T3205] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.361252][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.369958][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.379770][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.387648][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.437910][ T8529] device hsr_slave_0 entered promiscuous mode [ 70.494871][ T8529] device hsr_slave_1 entered promiscuous mode [ 70.534597][ T8529] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.543821][ T8529] Cannot create hsr debugfs directory [ 70.549546][ T8531] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.610166][ T8531] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.696970][ T2856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.706047][ T2856] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.714300][ T2856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.723079][ T2856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.731468][ T2856] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.780253][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.805944][ T8521] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.817663][ T8521] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.842200][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.853280][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.862025][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.871188][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.880528][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.929833][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.938139][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.945669][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.954077][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.963424][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.971769][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.987024][ T2856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.996351][ T2856] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.009543][ T8521] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.032434][ T8523] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.050295][ T8529] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 71.090998][ T8529] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 71.171832][ T8529] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 71.206531][ T8529] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.267315][ T8531] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.274582][ T8533] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.307101][ T8533] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 71.359080][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.367871][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.376850][ T8533] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 71.420015][ T8533] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 71.479517][ T8527] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.490824][ T2856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.499691][ T2856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.513332][ T8521] device veth0_vlan entered promiscuous mode [ 71.528102][ T8531] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.536077][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.543515][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.552410][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.561013][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.573281][ T8523] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.586546][ T8521] device veth1_vlan entered promiscuous mode [ 71.605834][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.613586][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.624303][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.632383][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.640610][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.652418][ T8527] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.688840][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.697740][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.707098][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.716281][ T2972] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.723322][ T2972] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.731208][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.739807][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.749034][ T2972] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.757089][ T2972] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.764913][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.774778][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.784669][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.785097][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.805779][ T3203] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.812914][ T3203] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.823514][ T3203] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.869773][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.879527][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.889838][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.898821][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.907733][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.916454][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.925147][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.933707][ T3205] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.940852][ T3205] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.948651][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.958261][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.967042][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.983106][ T2856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.992449][ T2856] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.027450][ T8531] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.039096][ T8531] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.063823][ T2878] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.082046][ T2878] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.092071][ T2878] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.101184][ T2878] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.110740][ T2878] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.119762][ T2878] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.129690][ T2878] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.145154][ T2878] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.153694][ T2878] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.168260][ T2878] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.179753][ T2878] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.191762][ T2878] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.208513][ T2878] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.219246][ T2878] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.236473][ T8529] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.263275][ T8529] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.279448][ T8523] device veth0_vlan entered promiscuous mode [ 72.297161][ T8523] device veth1_vlan entered promiscuous mode [ 72.339236][ T8527] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.356105][ T8527] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.399001][ T8527] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.452877][ T8527] device veth0_vlan entered promiscuous mode [ 72.466439][ T8527] device veth1_vlan entered promiscuous mode [ 177.204366][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 177.211251][ C0] rcu: 0-...!: (10499 ticks this GP) idle=c7e/1/0x4000000000000002 softirq=14722/14722 fqs=30 [ 177.221948][ C0] (t=10500 jiffies g=6877 q=508) [ 177.228218][ C0] rcu: rcu_preempt kthread starved for 10433 jiffies! g6877 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 177.239424][ C0] rcu: RCU grace-period kthread stack dump: [ 177.245314][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 177.254074][ C0] Call Trace: [ 177.257366][ C0] __schedule+0x9a0/0xcc0 [ 177.261695][ C0] schedule+0x181/0x210 [ 177.265845][ C0] schedule_timeout+0x14f/0x240 [ 177.271566][ C0] ? run_local_timers+0x120/0x120 [ 177.276594][ C0] rcu_gp_kthread+0xed8/0x1770 [ 177.281791][ C0] kthread+0x332/0x350 [ 177.285850][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 177.291650][ C0] ? kthread_blkcg+0xe0/0xe0 [ 177.296318][ C0] ret_from_fork+0x24/0x30 [ 177.300742][ C0] NMI backtrace for cpu 0 [ 177.305062][ C0] CPU: 0 PID: 8490 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 177.313003][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.323300][ C0] Call Trace: [ 177.326625][ C0] [ 177.330021][ C0] dump_stack+0x1fb/0x318 [ 177.337061][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 177.341955][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 177.349060][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 177.355117][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 177.361086][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 177.366970][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 177.372079][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 177.377272][ C0] ? trace_hardirqs_off+0x74/0x80 [ 177.382287][ C0] update_process_times+0x12d/0x180 [ 177.390523][ C0] tick_sched_timer+0x263/0x420 [ 177.395723][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.401259][ C0] __hrtimer_run_queues+0x403/0x840 [ 177.406576][ C0] hrtimer_interrupt+0x38c/0xda0 [ 177.411528][ C0] ? debug_smp_processor_id+0x9/0x20 [ 177.416808][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 177.422604][ C0] apic_timer_interrupt+0xf/0x20 [ 177.427526][ C0] [ 177.430478][ C0] RIP: 0010:free_thread_stack+0x151/0x590 [ 177.436186][ 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 [ 177.456124][ C0] RSP: 0018:ffffc90001d17b10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 177.464526][ C0] RAX: 1ffff110121408c1 RBX: ffff888090a04608 RCX: 0000000000000000 [ 177.472493][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00028e7240 [ 177.480540][ C0] RBP: ffffc90001d17b48 R08: dffffc0000000000 R09: fffffbfff124248a [ 177.488501][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff888090a04420 [ 177.496468][ C0] R13: dffffc0000000000 R14: 1ffff11012140884 R15: ffff88808f8c38f8 [ 177.504452][ C0] put_task_stack+0xa3/0x130 [ 177.509030][ C0] finish_task_switch+0x3f1/0x550 [ 177.514057][ C0] __schedule+0x9a8/0xcc0 [ 177.518398][ C0] schedule+0x181/0x210 [ 177.522567][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 177.528629][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 177.534529][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 177.539898][ C0] ep_poll+0xa4d/0xe80 [ 177.543966][ C0] ? do_task_dead+0xc0/0xc0 [ 177.548461][ C0] ? __kasan_check_read+0x11/0x20 [ 177.553477][ C0] do_epoll_wait+0x1ee/0x260 [ 177.558065][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 177.563080][ C0] do_syscall_64+0xf7/0x1c0 [ 177.567575][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.573454][ C0] RIP: 0033:0x7fd12181f943 [ 177.577872][ 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 [ 177.597488][ C0] RSP: 002b:00007ffc93890a98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 177.605983][ C0] RAX: ffffffffffffffda RBX: 0000000000e0f250 RCX: 00007fd12181f943 [ 177.613949][ C0] RDX: 0000000000000004 RSI: 00007ffc93890b60 RDI: 0000000000000007 [ 177.621908][ C0] RBP: 0000000000625500 R08: 00007ffc93890a80 R09: 00007ffc939ea0b8 [ 177.629872][ C0] R10: 000000000000ee3d R11: 0000000000000246 R12: 0000000000e20460 [ 177.637837][ C0] R13: 00007ffc93891bb7 R14: 0000000000000005 R15: 0000000000e0f250