[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.060500][ T27] audit: type=1800 audit(1578470831.699:25): pid=8301 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.086677][ T27] audit: type=1800 audit(1578470831.699:26): pid=8301 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.155389][ T27] audit: type=1800 audit(1578470831.709:27): pid=8301 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.100' (ECDSA) to the list of known hosts. 2020/01/08 08:07:23 fuzzer started 2020/01/08 08:07:25 dialing manager at 10.128.0.26:35703 2020/01/08 08:07:25 syscalls: 2824 2020/01/08 08:07:25 code coverage: enabled 2020/01/08 08:07:25 comparison tracing: enabled 2020/01/08 08:07:25 extra coverage: enabled 2020/01/08 08:07:25 setuid sandbox: enabled 2020/01/08 08:07:25 namespace sandbox: enabled 2020/01/08 08:07:25 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 08:07:25 fault injection: enabled 2020/01/08 08:07:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 08:07:25 net packet injection: enabled 2020/01/08 08:07:25 net device setup: enabled 2020/01/08 08:07:25 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 08:07:25 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:07:26 executing program 0: perf_event_open(&(0x7f0000000180)={0x1, 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, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000005c0)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cgroup.stat\x00', 0x26e1, 0x0) r1 = socket$kcm(0x2, 0x2, 0x0) setsockopt$sock_attach_bpf(r1, 0x1, 0x3e, &(0x7f00000002c0)=r0, 0x161) sendmsg$inet(r1, &(0x7f0000000240)={&(0x7f0000000080)={0x2, 0x4e22, @initdev={0xac, 0x1e, 0x0, 0x0}}, 0x10, 0x0, 0x0, &(0x7f0000000680)=[@ip_retopts={{0x14, 0x0, 0x7, {[@end]}}}], 0x18}, 0x0) 08:07:26 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000500)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) bpf$BPF_BTF_LOAD(0x12, 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000040)={0x3, 0x2, 0xf000, 0x1000, &(0x7f0000015000/0x1000)=nil}) perf_event_open(&(0x7f0000000440)={0x2, 0x70, 0xb8, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, &(0x7f0000000080)) openat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0, 0x4cab38b3a4cbb04f) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000200)={[0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff], 0x1f004}) r3 = creat(&(0x7f0000000180)='./bus\x00', 0x0) io_submit(0x0, 0x40000000000000fc, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, r3, &(0x7f0000000000), 0x10000}]) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_NMI(r2, 0xae9a) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000400)={[0x0, 0xffffffffffffffff, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) syzkaller login: [ 67.279263][ T8469] IPVS: ftp: loaded support on port[0] = 21 [ 67.345251][ T8471] IPVS: ftp: loaded support on port[0] = 21 08:07:27 executing program 2: r0 = socket(0x22, 0x2, 0x4) getsockopt$IP6T_SO_GET_ENTRIES(r0, 0x29, 0x41, 0x0, &(0x7f00000005c0)) [ 67.451296][ T8469] chnl_net:caif_netlink_parms(): no params data found [ 67.540632][ T8471] chnl_net:caif_netlink_parms(): no params data found [ 67.555617][ T8469] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.565060][ T8469] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.573267][ T8469] device bridge_slave_0 entered promiscuous mode [ 67.600178][ T8469] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.607584][ T8469] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.615445][ T8469] device bridge_slave_1 entered promiscuous mode [ 67.651822][ T8471] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.659960][ T8471] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.669615][ T8471] device bridge_slave_0 entered promiscuous mode [ 67.678579][ T8469] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.691070][ T8471] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.699218][ T8471] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.709292][ T8471] device bridge_slave_1 entered promiscuous mode [ 67.717503][ T8469] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 08:07:27 executing program 3: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000080)='tmpfs\x00', 0x0, &(0x7f0000000200)) [ 67.754833][ T8469] team0: Port device team_slave_0 added [ 67.765052][ T8471] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.780130][ T8475] IPVS: ftp: loaded support on port[0] = 21 [ 67.787518][ T8469] team0: Port device team_slave_1 added [ 67.794762][ T8471] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.918991][ T8469] device hsr_slave_0 entered promiscuous mode [ 67.967400][ T8469] device hsr_slave_1 entered promiscuous mode 08:07:27 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x2, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x63, 0x11, 0x48}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f0000000200)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 68.023913][ T8471] team0: Port device team_slave_0 added [ 68.044646][ T8477] IPVS: ftp: loaded support on port[0] = 21 [ 68.075834][ T8471] team0: Port device team_slave_1 added 08:07:27 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$tipc2(&(0x7f00000007c0)='TIPCv2\x00') sendmsg$TIPC_NL_PEER_REMOVE(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000800)={0x28, r1, 0x5, 0x0, 0x0, {0x2}, [@TIPC_NLA_BEARER={0x14, 0x1, [@TIPC_NLA_BEARER_NAME={0x4, 0x1, @udp='udp:syz0\x00'}]}]}, 0x28}}, 0x0) [ 68.229486][ T8471] device hsr_slave_0 entered promiscuous mode [ 68.336978][ T8471] device hsr_slave_1 entered promiscuous mode [ 68.396413][ T8471] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.404088][ T8471] Cannot create hsr debugfs directory [ 68.442044][ T8482] IPVS: ftp: loaded support on port[0] = 21 [ 68.463272][ T8480] IPVS: ftp: loaded support on port[0] = 21 [ 68.571319][ T8475] chnl_net:caif_netlink_parms(): no params data found [ 68.599426][ T8477] chnl_net:caif_netlink_parms(): no params data found [ 68.641255][ T8469] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.702035][ T8469] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.750751][ T8469] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.832192][ T8471] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.901203][ T8469] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.948882][ T8471] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 69.005264][ T8477] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.012523][ T8477] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.020247][ T8477] device bridge_slave_0 entered promiscuous mode [ 69.028332][ T8477] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.035377][ T8477] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.043250][ T8477] device bridge_slave_1 entered promiscuous mode [ 69.050969][ T8471] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.124178][ T8471] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.213570][ T8475] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.221098][ T8475] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.228913][ T8475] device bridge_slave_0 entered promiscuous mode [ 69.237628][ T8477] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.250349][ T8477] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.271028][ T8475] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.278253][ T8475] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.285694][ T8475] device bridge_slave_1 entered promiscuous mode [ 69.325967][ T8482] chnl_net:caif_netlink_parms(): no params data found [ 69.342740][ T8477] team0: Port device team_slave_0 added [ 69.353332][ T8477] team0: Port device team_slave_1 added [ 69.370476][ T8475] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.383880][ T8480] chnl_net:caif_netlink_parms(): no params data found [ 69.410597][ T8475] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.477962][ T8477] device hsr_slave_0 entered promiscuous mode [ 69.526706][ T8477] device hsr_slave_1 entered promiscuous mode [ 69.576468][ T8477] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.584050][ T8477] Cannot create hsr debugfs directory [ 69.591731][ T8475] team0: Port device team_slave_0 added [ 69.613131][ T8480] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.620719][ T8480] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.628734][ T8480] device bridge_slave_0 entered promiscuous mode [ 69.646214][ T8475] team0: Port device team_slave_1 added [ 69.656856][ T8480] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.663905][ T8480] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.672237][ T8480] device bridge_slave_1 entered promiscuous mode [ 69.699073][ T8482] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.706207][ T8482] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.715739][ T8482] device bridge_slave_0 entered promiscuous mode [ 69.725796][ T8480] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.741796][ T8480] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.771103][ T8482] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.779245][ T8482] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.787468][ T8482] device bridge_slave_1 entered promiscuous mode [ 69.800683][ T8480] team0: Port device team_slave_0 added [ 69.859001][ T8475] device hsr_slave_0 entered promiscuous mode [ 69.916657][ T8475] device hsr_slave_1 entered promiscuous mode [ 69.956352][ T8475] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.963908][ T8475] Cannot create hsr debugfs directory [ 69.986887][ T8480] team0: Port device team_slave_1 added [ 70.002873][ T8482] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.088908][ T8480] device hsr_slave_0 entered promiscuous mode [ 70.146776][ T8480] device hsr_slave_1 entered promiscuous mode [ 70.206816][ T8480] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.214391][ T8480] Cannot create hsr debugfs directory [ 70.228265][ T8482] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.245407][ T8471] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.299479][ T8482] team0: Port device team_slave_0 added [ 70.313592][ T8469] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.337582][ T8469] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.346048][ T8482] team0: Port device team_slave_1 added [ 70.363721][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.372132][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.381581][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.389250][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.414309][ T8471] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.432229][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.440951][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.449763][ T2688] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.456967][ T2688] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.538962][ T8482] device hsr_slave_0 entered promiscuous mode [ 70.597464][ T8482] device hsr_slave_1 entered promiscuous mode [ 70.636400][ T8482] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.643971][ T8482] Cannot create hsr debugfs directory [ 70.660530][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.669433][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.678073][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.686601][ T2688] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.693637][ T2688] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.707583][ T8477] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.738307][ T8477] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.771877][ T8477] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 70.829229][ T8477] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 70.884219][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.893228][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.902142][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.910708][ T2688] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.917780][ T2688] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.925238][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.933842][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.942190][ T2688] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.949233][ T2688] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.957306][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.965704][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.008315][ T8475] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 71.048423][ T2805] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.058901][ T2805] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.068068][ T8480] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 71.122594][ T8480] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 71.178593][ T8480] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 71.228482][ T8475] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 71.276121][ T8475] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 71.308722][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.318325][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.327465][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.335743][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.344125][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.352786][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.361037][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.369214][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.387120][ T8480] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 71.452359][ T8471] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.463427][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.471567][ T8475] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 71.529923][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.538323][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.545886][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.554317][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.562660][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.571061][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.580066][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.588313][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.602479][ T8469] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.614542][ T8469] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.646776][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.655023][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.703169][ T8471] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.730568][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.738855][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.746186][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.754840][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.774906][ T8482] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.799275][ T8482] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 71.842031][ T8469] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.850034][ T8482] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 71.929029][ T8482] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 71.995558][ T8477] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.003488][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.012649][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.035734][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.044766][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.059745][ T8475] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.083560][ T8469] device veth0_vlan entered promiscuous mode [ 72.091837][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.100722][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.108925][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.117062][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.126954][ T8471] device veth0_vlan entered promiscuous mode [ 72.144752][ T8475] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.159906][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.167805][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.175278][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.183290][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.190923][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.198790][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.206372][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.213879][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.223718][ T8471] device veth1_vlan entered promiscuous mode [ 72.234485][ T8477] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.244372][ T8469] device veth1_vlan entered promiscuous mode [ 72.257706][ T2805] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.265579][ T2805] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.274154][ T2805] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.282807][ T2805] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.291328][ T2805] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.298413][ T2805] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.342473][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.351025][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.361778][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.370327][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.379181][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.387473][ T2799] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.394500][ T2799] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.402272][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.410658][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.418998][ T2799] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.419029][ T2799] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.419322][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.441736][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.450038][ T2799] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.457098][ T2799] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.464737][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.473194][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.483608][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.544718][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.554185][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.559641][ T8489] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 177.576279][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 177.583135][ C1] rcu: 1-...!: (10499 ticks this GP) idle=386/1/0x4000000000000002 softirq=14340/14340 fqs=41 [ 177.593711][ C1] (t=10501 jiffies g=6801 q=104) [ 177.598732][ C1] rcu: rcu_preempt kthread starved for 10419 jiffies! g6801 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 177.609815][ C1] rcu: RCU grace-period kthread stack dump: [ 177.615692][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 177.623574][ C1] Call Trace: [ 177.626857][ C1] __schedule+0x9a0/0xcc0 [ 177.631285][ C1] schedule+0x181/0x210 [ 177.635435][ C1] schedule_timeout+0x14f/0x240 [ 177.640278][ C1] ? run_local_timers+0x120/0x120 [ 177.645294][ C1] rcu_gp_kthread+0xed8/0x1770 [ 177.650056][ C1] kthread+0x332/0x350 [ 177.654111][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 177.659209][ C1] ? kthread_blkcg+0xe0/0xe0 [ 177.663786][ C1] ret_from_fork+0x24/0x30 [ 177.668200][ C1] NMI backtrace for cpu 1 [ 177.672520][ C1] CPU: 1 PID: 2797 Comm: kworker/1:46 Not tainted 5.5.0-rc5-syzkaller #0 [ 177.680912][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.690977][ C1] Workqueue: events linkwatch_event [ 177.696163][ C1] Call Trace: [ 177.699433][ C1] [ 177.702274][ C1] dump_stack+0x1fb/0x318 [ 177.706606][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 177.711461][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 177.717613][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 177.723680][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 177.729671][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 177.735558][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 177.740677][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 177.745880][ C1] ? trace_hardirqs_off+0x74/0x80 [ 177.750910][ C1] update_process_times+0x12d/0x180 [ 177.756099][ C1] tick_sched_timer+0x263/0x420 [ 177.761030][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.766585][ C1] __hrtimer_run_queues+0x403/0x840 [ 177.771798][ C1] hrtimer_interrupt+0x38c/0xda0 [ 177.776745][ C1] ? debug_smp_processor_id+0x9/0x20 [ 177.782030][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 177.787576][ C1] apic_timer_interrupt+0xf/0x20 [ 177.792505][ C1] [ 177.795446][ C1] RIP: 0010:free_thread_stack+0x18b/0x590 [ 177.801167][ C1] Code: ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 39 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 1b 94 6a 00 48 8b 1b e9 82 ff ff ff e8 be 2b 2e [ 177.820763][ C1] RSP: 0018:ffffc90007eaf700 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 177.829169][ C1] RAX: 1ffff11013c53a61 RBX: ffff88809e29d308 RCX: ffff88809ed5c400 [ 177.837139][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a5e140 [ 177.845105][ C1] RBP: ffffc90007eaf738 R08: 000000000003a728 R09: fffffbfff124248a [ 177.853077][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88809e29d3a0 [ 177.861044][ C1] R13: dffffc0000000000 R14: 1ffff11013c53a74 R15: ffff8880918cb4f8 [ 177.869035][ C1] put_task_stack+0xa3/0x130 [ 177.873630][ C1] finish_task_switch+0x3f1/0x550 [ 177.878653][ C1] __schedule+0x9a8/0xcc0 [ 177.882980][ C1] ? ___preempt_schedule+0x16/0x18 [ 177.888079][ C1] preempt_schedule+0xdb/0x120 [ 177.892833][ C1] ___preempt_schedule+0x16/0x18 [ 177.897760][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 177.902430][ C1] ? vprintk_emit+0x368/0x3a0 [ 177.907100][ C1] vprintk_emit+0x36d/0x3a0 [ 177.911598][ C1] vprintk_default+0x28/0x30 [ 177.916182][ C1] vprintk_func+0x158/0x170 [ 177.920678][ C1] printk+0x62/0x8d [ 177.924479][ C1] ? addrconf_notify+0xd37/0x3c90 [ 177.929493][ C1] ? addrconf_notify+0x779/0x3c90 [ 177.934522][ C1] addrconf_notify+0x2c8d/0x3c90 [ 177.939467][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 177.944752][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 177.950120][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 177.955652][ C1] ? trace_hardirqs_on+0x74/0x80 [ 177.960579][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 177.965946][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 177.971480][ C1] ? tls_dev_event+0x619/0xc00 [ 177.976235][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 177.981769][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 177.986961][ C1] raw_notifier_call_chain+0xec/0x190 [ 177.992332][ C1] netdev_state_change+0x147/0x1f0 [ 177.997440][ C1] linkwatch_do_dev+0x10e/0x160 [ 178.002283][ C1] __linkwatch_run_queue+0x446/0x730 [ 178.007562][ C1] linkwatch_event+0x4c/0x60 [ 178.012141][ C1] process_one_work+0x7ef/0x10d0 [ 178.017086][ C1] worker_thread+0xc01/0x1630 [ 178.021772][ C1] kthread+0x332/0x350 [ 178.025825][ C1] ? rcu_lock_release+0x30/0x30 [ 178.030666][ C1] ? kthread_blkcg+0xe0/0xe0 [ 178.035253][ C1] ret_from_fork+0x24/0x30