[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.814154][ T23] audit: type=1800 audit(1578455696.675:25): pid=8487 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.850730][ T23] audit: type=1800 audit(1578455696.675:26): pid=8487 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.885435][ T23] audit: type=1800 audit(1578455696.675:27): pid=8487 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 '10.128.0.2' (ECDSA) to the list of known hosts. 2020/01/08 03:55:09 fuzzer started 2020/01/08 03:55:11 dialing manager at 10.128.0.26:35703 2020/01/08 03:55:11 syscalls: 2824 2020/01/08 03:55:11 code coverage: enabled 2020/01/08 03:55:11 comparison tracing: enabled 2020/01/08 03:55:11 extra coverage: enabled 2020/01/08 03:55:11 setuid sandbox: enabled 2020/01/08 03:55:11 namespace sandbox: enabled 2020/01/08 03:55:11 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:55:11 fault injection: enabled 2020/01/08 03:55:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:55:11 net packet injection: enabled 2020/01/08 03:55:11 net device setup: enabled 2020/01/08 03:55:11 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:55:11 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:55:12 executing program 0: r0 = socket(0x40000000015, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x0, @rand_addr=0x7}, 0x10) setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f00000008c0), 0x4) bind$inet6(r0, &(0x7f00000001c0)={0xa, 0x0, 0x0, @initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x8001}, 0x1c) 03:55:12 executing program 1: unshare(0x2040400) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) connect$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0xfffe, {}, 0x7}, 0xe) syzkaller login: [ 69.738735][ T8651] IPVS: ftp: loaded support on port[0] = 21 [ 69.923922][ T8651] chnl_net:caif_netlink_parms(): no params data found 03:55:12 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) write$9p(0xffffffffffffffff, &(0x7f00000000c0)="572546ca083370be37975c68b1281838d03a3b355739d7897940ff53b0", 0x1d) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_genetlink_get_family_id$tipc2(&(0x7f0000000040)='TIPCv2\x00') r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x3, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) sendmsg$TIPC_CMD_SHOW_LINK_STATS(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0xc6007123220a7594}, 0xc, 0x0}, 0x0) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, &(0x7f00000001c0)={0x0, 0x119000}) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, 0x0, 0x100e3, 0x0, 0x0, 0x5af4c977b55a8b9c) ioctl$KVM_NMI(r2, 0xae9a) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 69.972855][ T8654] IPVS: ftp: loaded support on port[0] = 21 [ 69.998124][ T8651] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.020604][ T8651] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.040903][ T8651] device bridge_slave_0 entered promiscuous mode [ 70.074077][ T8651] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.081440][ T8651] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.100968][ T8651] device bridge_slave_1 entered promiscuous mode [ 70.147574][ T8651] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.165897][ T8651] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.202263][ T8656] IPVS: ftp: loaded support on port[0] = 21 [ 70.221564][ T8651] team0: Port device team_slave_0 added 03:55:13 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="3e261f09658ac635000002000fc7b6a9000000260f205bb8010000000f01d985030000640f083e0f38f10bb949090000", 0x30}], 0xaaaaaaaaaaaab96, 0x0, 0x0, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x3, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) socket$inet6_tcp(0xa, 0x1, 0x0) socket$netlink(0x10, 0x3, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, &(0x7f00000001c0)={0x0, 0x119000}) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffef) ioctl$KVM_SET_MSRS(0xffffffffffffffff, 0x4008ae89, &(0x7f0000000040)=ANY=[@ANYBLOB="01000000000000009d"]) ioctl$KVM_NMI(r2, 0xae9a) socketpair(0x0, 0x0, 0x0, &(0x7f0000000000)) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 70.243568][ T8651] team0: Port device team_slave_1 added [ 70.326215][ T8654] chnl_net:caif_netlink_parms(): no params data found 03:55:13 executing program 4: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x2001000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast2, 0x6}, 0x1c) setsockopt$inet6_int(r1, 0x29, 0x35, 0x0, 0x3b5) [ 70.404049][ T8651] device hsr_slave_0 entered promiscuous mode [ 70.441903][ T8651] device hsr_slave_1 entered promiscuous mode [ 70.563418][ T8659] IPVS: ftp: loaded support on port[0] = 21 [ 70.701189][ T8654] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.708299][ T8654] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.716743][ T8654] device bridge_slave_0 entered promiscuous mode [ 70.738740][ T8656] chnl_net:caif_netlink_parms(): no params data found 03:55:13 executing program 5: r0 = add_key$user(&(0x7f0000000280)='user\x00', &(0x7f0000000300)={'syz', 0x1}, &(0x7f0000000000)="f59e339e3501c35531cc", 0xa, 0xfffffffffffffffe) io_setup(0x30, &(0x7f0000000180)) r1 = add_key$user(&(0x7f00000003c0)='user\x00', &(0x7f0000000440)={'syz'}, &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r0, r1, r0}, 0x0, 0x0, 0x0) [ 70.750388][ T8663] IPVS: ftp: loaded support on port[0] = 21 [ 70.765649][ T8654] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.780919][ T8654] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.801371][ T8654] device bridge_slave_1 entered promiscuous mode [ 70.909865][ T8656] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.917120][ T8656] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.924763][ T8656] device bridge_slave_0 entered promiscuous mode [ 70.933580][ T8654] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.966752][ T8656] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.974308][ T8656] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.982542][ T8656] device bridge_slave_1 entered promiscuous mode [ 70.990225][ T8654] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.010255][ T8665] IPVS: ftp: loaded support on port[0] = 21 [ 71.053235][ T8656] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.071738][ T8651] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.123790][ T8651] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.223006][ T8651] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.276788][ T8651] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.336223][ T8656] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.359015][ T8654] team0: Port device team_slave_0 added [ 71.382211][ T8656] team0: Port device team_slave_0 added [ 71.391863][ T8656] team0: Port device team_slave_1 added [ 71.398729][ T8654] team0: Port device team_slave_1 added [ 71.404586][ T8663] chnl_net:caif_netlink_parms(): no params data found [ 71.443098][ T8663] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.450248][ T8663] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.457901][ T8663] device bridge_slave_0 entered promiscuous mode [ 71.466275][ T8663] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.473595][ T8663] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.483041][ T8663] device bridge_slave_1 entered promiscuous mode [ 71.612631][ T8656] device hsr_slave_0 entered promiscuous mode [ 71.650889][ T8656] device hsr_slave_1 entered promiscuous mode [ 71.690690][ T8656] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.698429][ T8656] Cannot create hsr debugfs directory [ 71.753146][ T8654] device hsr_slave_0 entered promiscuous mode [ 71.800888][ T8654] device hsr_slave_1 entered promiscuous mode [ 71.850592][ T8654] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.858186][ T8654] Cannot create hsr debugfs directory [ 71.878822][ T8663] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.895277][ T8663] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.934401][ T8663] team0: Port device team_slave_0 added [ 71.955894][ T8659] chnl_net:caif_netlink_parms(): no params data found [ 71.967776][ T8663] team0: Port device team_slave_1 added [ 72.082193][ T8663] device hsr_slave_0 entered promiscuous mode [ 72.130845][ T8663] device hsr_slave_1 entered promiscuous mode [ 72.180550][ T8663] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.188137][ T8663] Cannot create hsr debugfs directory [ 72.254738][ T8659] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.262262][ T8659] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.269858][ T8659] device bridge_slave_0 entered promiscuous mode [ 72.295202][ T8656] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 72.365696][ T8651] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.372835][ T8654] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 72.414220][ T8654] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 72.482502][ T8659] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.489608][ T8659] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.497589][ T8659] device bridge_slave_1 entered promiscuous mode [ 72.513328][ T8656] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 72.553582][ T8656] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 72.606214][ T8656] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 72.662839][ T8654] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 72.696287][ T8654] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 72.766064][ T8659] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.784504][ T8659] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.795963][ T2861] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.804273][ T2861] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.816287][ T8665] chnl_net:caif_netlink_parms(): no params data found [ 72.832808][ T8651] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.858674][ T8659] team0: Port device team_slave_0 added [ 72.887356][ T8659] team0: Port device team_slave_1 added [ 72.896336][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.905831][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.914730][ T3029] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.921980][ T3029] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.942459][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.950875][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.959516][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.968183][ T3029] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.975336][ T3029] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.992099][ T8663] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 73.046283][ T8663] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 73.124417][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.135083][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.148299][ T8663] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 73.182283][ T8663] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 73.273223][ T8659] device hsr_slave_0 entered promiscuous mode [ 73.330818][ T8659] device hsr_slave_1 entered promiscuous mode [ 73.380553][ T8659] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.388137][ T8659] Cannot create hsr debugfs directory [ 73.394131][ T8665] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.401586][ T8665] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.409215][ T8665] device bridge_slave_0 entered promiscuous mode [ 73.417520][ T8665] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.425293][ T8665] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.432991][ T8665] device bridge_slave_1 entered promiscuous mode [ 73.455131][ T8665] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.482894][ T2861] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.491946][ T2861] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.508706][ T2861] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.516822][ T2861] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.526060][ T2861] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.534983][ T2861] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.543779][ T2861] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.564290][ T8665] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.589722][ T8665] team0: Port device team_slave_0 added [ 73.607182][ T8665] team0: Port device team_slave_1 added [ 73.617355][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.626014][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.656869][ T8651] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.722956][ T8665] device hsr_slave_0 entered promiscuous mode [ 73.780969][ T8665] device hsr_slave_1 entered promiscuous mode [ 73.830914][ T8665] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.838485][ T8665] Cannot create hsr debugfs directory [ 73.847491][ T8656] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.873413][ T8654] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.920294][ T8651] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.936952][ T8656] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.947927][ T8663] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.955633][ T2861] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.963469][ T2861] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.971288][ T2861] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.978826][ T2861] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.986542][ T2861] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.994162][ T2861] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.025177][ T8654] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.033054][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.042915][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.051935][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.061016][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.069361][ T3030] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.076457][ T3030] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.085734][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.131314][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.140015][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.149016][ T2868] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.156126][ T2868] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.164823][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.173443][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.181841][ T2868] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.188885][ T2868] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.196643][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.205629][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.213989][ T2868] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.221061][ T2868] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.230289][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.238729][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.246718][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.264049][ T8659] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 74.312252][ T8659] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 74.352357][ T8659] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 74.402540][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.411342][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.419843][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.428705][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.442040][ T8651] device veth0_vlan entered promiscuous mode [ 74.465635][ T8663] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.472556][ T8659] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 74.511859][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.519494][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.530032][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.538708][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.547481][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.556163][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.564853][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.573713][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.581824][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.593465][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.608924][ T8651] device veth1_vlan entered promiscuous mode [ 74.622841][ T8665] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 74.654846][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.663164][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.671910][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.680123][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.704518][ T8665] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 74.762694][ T8665] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 74.802036][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.810188][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.819271][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.827816][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.836293][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.844754][ T3029] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.851829][ T3029] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.859289][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.868012][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.876383][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.885107][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.893406][ T3029] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.900498][ T3029] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.907994][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.916343][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.924602][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.933178][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.941380][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.949515][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.957311][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.971078][ T8656] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.982435][ T8654] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.016435][ T8665] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 75.093860][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.102861][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.111837][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.120354][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.130506][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.139621][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.170777][ T2874] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.179141][ T2874] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 180.220415][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 180.227250][ C0] rcu: 0-...!: (1 GPs behind) idle=0fe/1/0x4000000000000002 softirq=13483/13488 fqs=0 [ 180.237143][ C0] (t=10501 jiffies g=7109 q=185) [ 180.242166][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g7109 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 180.253246][ C0] rcu: RCU grace-period kthread stack dump: [ 180.259117][ C0] rcu_preempt R running task 28824 10 2 0x80004000 [ 180.267006][ C0] Call Trace: [ 180.270294][ C0] __schedule+0x9a0/0xcc0 [ 180.274806][ C0] schedule+0x181/0x210 [ 180.278967][ C0] schedule_timeout+0x14f/0x240 [ 180.283811][ C0] ? run_local_timers+0x120/0x120 [ 180.288848][ C0] rcu_gp_kthread+0xed8/0x1770 [ 180.293627][ C0] kthread+0x332/0x350 [ 180.297691][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 180.302797][ C0] ? kthread_blkcg+0xe0/0xe0 [ 180.307379][ C0] ret_from_fork+0x24/0x30 [ 180.311799][ C0] NMI backtrace for cpu 0 [ 180.316118][ C0] CPU: 0 PID: 2874 Comm: kworker/0:14 Not tainted 5.5.0-rc5-syzkaller #0 [ 180.324524][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.334574][ C0] Workqueue: events linkwatch_event [ 180.339762][ C0] Call Trace: [ 180.343035][ C0] [ 180.345882][ C0] dump_stack+0x1fb/0x318 [ 180.350204][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 180.355039][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 180.361183][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 180.367236][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 180.373204][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 180.379200][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 180.384308][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 180.389518][ C0] ? trace_hardirqs_off+0x74/0x80 [ 180.394545][ C0] update_process_times+0x12d/0x180 [ 180.399754][ C0] tick_sched_timer+0x263/0x420 [ 180.404609][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 180.410152][ C0] __hrtimer_run_queues+0x403/0x840 [ 180.415383][ C0] hrtimer_interrupt+0x38c/0xda0 [ 180.420350][ C0] ? debug_smp_processor_id+0x9/0x20 [ 180.425632][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 180.431168][ C0] apic_timer_interrupt+0xf/0x20 [ 180.436091][ C0] [ 180.439019][ C0] RIP: 0010:__memcg_kmem_uncharge+0xe/0x1a0 [ 180.444897][ C0] Code: c3 08 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 50 <89> f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 38 4d 89 f5 [ 180.464490][ C0] RSP: 0018:ffffc900085df6c0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 180.472957][ C0] RAX: ffffffff81489244 RBX: ffffea00022c3600 RCX: ffff88809ed0c340 [ 180.481014][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00022c3600 [ 180.488978][ C0] RBP: ffffc900085df6f0 R08: 000000000003a728 R09: fffffbfff124248a [ 180.496940][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880889611a0 [ 180.504989][ C0] R13: dffffc0000000000 R14: 1ffff1101112c234 R15: ffff8880a3277838 [ 180.512967][ C0] ? free_thread_stack+0x124/0x590 [ 180.518069][ C0] ? free_thread_stack+0x124/0x590 [ 180.523168][ C0] free_thread_stack+0x12e/0x590 [ 180.528094][ C0] put_task_stack+0xa3/0x130 [ 180.532674][ C0] finish_task_switch+0x3f1/0x550 [ 180.537692][ C0] __schedule+0x9a8/0xcc0 [ 180.542020][ C0] ? ___preempt_schedule+0x16/0x18 [ 180.547120][ C0] preempt_schedule+0xdb/0x120 [ 180.551874][ C0] ___preempt_schedule+0x16/0x18 [ 180.556807][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 180.561473][ C0] ? vprintk_emit+0x368/0x3a0 [ 180.566141][ C0] vprintk_emit+0x36d/0x3a0 [ 180.570637][ C0] vprintk_default+0x28/0x30 [ 180.575340][ C0] vprintk_func+0x158/0x170 [ 180.579936][ C0] printk+0x62/0x8d [ 180.583740][ C0] ? addrconf_notify+0xd37/0x3c90 [ 180.588754][ C0] ? addrconf_notify+0x779/0x3c90 [ 180.593767][ C0] addrconf_notify+0x2c8d/0x3c90 [ 180.598701][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 180.603972][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 180.609330][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 180.614865][ C0] ? trace_hardirqs_on+0x74/0x80 [ 180.619786][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 180.625148][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 180.630675][ C0] ? tls_dev_event+0x619/0xc00 [ 180.635430][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 180.640960][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 180.646150][ C0] raw_notifier_call_chain+0xec/0x190 [ 180.651513][ C0] netdev_state_change+0x147/0x1f0 [ 180.656614][ C0] linkwatch_do_dev+0x10e/0x160 [ 180.661457][ C0] __linkwatch_run_queue+0x446/0x730 [ 180.666735][ C0] linkwatch_event+0x4c/0x60 [ 180.671315][ C0] process_one_work+0x7ef/0x10d0 [ 180.676257][ C0] worker_thread+0xc01/0x1630 [ 180.680945][ C0] kthread+0x332/0x350 [ 180.685001][ C0] ? rcu_lock_release+0x30/0x30 [ 180.689840][ C0] ? kthread_blkcg+0xe0/0xe0 [ 180.694418][ C0] ret_from_fork+0x24/0x30