[ 42.440387][ T27] audit: type=1800 audit(1575349992.933:26): pid=8066 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.480398][ T27] audit: type=1800 audit(1575349992.933:27): pid=8066 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.514429][ T27] audit: type=1800 audit(1575349992.943:28): pid=8066 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 43.337273][ T27] audit: type=1800 audit(1575349993.863:29): pid=8066 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.35' (ECDSA) to the list of known hosts. 2019/12/03 05:13:22 fuzzer started 2019/12/03 05:13:24 dialing manager at 10.128.0.26:38907 2019/12/03 05:13:24 syscalls: 2697 2019/12/03 05:13:24 code coverage: enabled 2019/12/03 05:13:24 comparison tracing: enabled 2019/12/03 05:13:24 extra coverage: extra coverage is not supported by the kernel 2019/12/03 05:13:24 setuid sandbox: enabled 2019/12/03 05:13:24 namespace sandbox: enabled 2019/12/03 05:13:24 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 05:13:24 fault injection: enabled 2019/12/03 05:13:24 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 05:13:24 net packet injection: enabled 2019/12/03 05:13:24 net device setup: enabled 2019/12/03 05:13:24 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 05:13:24 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:13:25 executing program 0: 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}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = add_key$user(&(0x7f0000000200)='user\x00', 0x0, &(0x7f00000002c0)="f5", 0x1, 0xfffffffffffffffe) r1 = openat$capi20(0xffffffffffffff9c, &(0x7f0000000000)='/dev/capi20\x00', 0x0, 0x0) ioctl$CAPI_MANUFACTURER_CMD(r1, 0xc0104320, &(0x7f0000000100)={0xa, &(0x7f0000000080)='W'}) ioctl$CAPI_GET_ERRCODE(r1, 0x80024321, &(0x7f0000000000)) keyctl$update(0x2, 0x0, &(0x7f0000000240)="db40951195b65329509626699071a860088261af3fd5f91a922ac7", 0xb2) r2 = add_key$user(&(0x7f00000003c0)='user\x00', &(0x7f0000000440)={'syz'}, &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r0, r2}, 0x0, 0x0, 0x0) 05:13:25 executing program 1: open(&(0x7f0000000000)='./bus\x00', 0x40000141042, 0x0) r0 = open(&(0x7f0000000200)='./bus\x00', 0x0, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x0, 0x4002011, r0, 0x0) msync(&(0x7f0000168000/0x2000)=nil, 0x2000, 0x4) syzkaller login: [ 54.697952][ T8231] IPVS: ftp: loaded support on port[0] = 21 05:13:25 executing program 2: sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x66ed5ff2d1210fe9}, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x89f3, &(0x7f0000000300)={'gre0\x00\x00\x00\b\x00', &(0x7f0000000200)=ANY=[@ANYBLOB="0000000042f7c20fb03026608036b6070000000010002d08152db425a19df02d4554de82fff80000402f"]}) [ 54.864547][ T8231] chnl_net:caif_netlink_parms(): no params data found [ 54.895296][ T8234] IPVS: ftp: loaded support on port[0] = 21 [ 54.962106][ T8231] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.969826][ T8231] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.991604][ T8231] device bridge_slave_0 entered promiscuous mode [ 55.030817][ T8231] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.050383][ T8231] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.057971][ T8231] device bridge_slave_1 entered promiscuous mode [ 55.077811][ T8236] IPVS: ftp: loaded support on port[0] = 21 [ 55.115959][ T8231] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.165700][ T8231] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 05:13:25 executing program 3: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$l2tp(0x18, 0x1, 0x1) socket$l2tp(0x18, 0x1, 0x1) socket(0x10, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$tun(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000000)={'eql\x00', 0x10000803}) ioctl$TUNSETLINK(r1, 0x400454cd, 0x308) accept4(0xffffffffffffffff, 0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 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) ioctl$sock_ifreq(r0, 0x8914, &(0x7f0000000200)={'eql\x00`\x00\xa9[,\x00^\x01\x03\x03\xf0\x00', @ifru_mtu=0x1}) [ 55.208440][ T8234] chnl_net:caif_netlink_parms(): no params data found [ 55.234052][ T8231] team0: Port device team_slave_0 added [ 55.268124][ T8231] team0: Port device team_slave_1 added [ 55.344317][ T8234] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.360354][ T8234] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.368055][ T8234] device bridge_slave_0 entered promiscuous mode [ 55.413439][ T8234] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.430549][ T8234] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.438168][ T8234] device bridge_slave_1 entered promiscuous mode 05:13:26 executing program 4: r0 = socket$inet6(0xa, 0x80003, 0x20) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") r1 = bpf$MAP_CREATE(0x100000000000000, &(0x7f00000000c0)={0x19, 0x4, 0x4, 0x4, 0x0, 0xffffffffffffffff, 0x0, [0x0, 0x0, 0x0, 0x0, 0x2000000]}, 0x3c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000080)={r1, &(0x7f0000000200), &(0x7f00000000c0)}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000180)={r1, &(0x7f0000000340), &(0x7f0000000400)='\a'}, 0x20) [ 55.512915][ T8231] device hsr_slave_0 entered promiscuous mode [ 55.570626][ T8231] device hsr_slave_1 entered promiscuous mode [ 55.648248][ T8239] IPVS: ftp: loaded support on port[0] = 21 [ 55.669605][ T8242] IPVS: ftp: loaded support on port[0] = 21 05:13:26 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000015000/0x18000)=nil, &(0x7f0000000180)=[@text16={0x10, &(0x7f0000000040)="baa000ec3e3e3e0f2b75ee65f30f008f6300a6aff4660f3a62227d0f20e06635000040000f22e0260f0350000f01cf", 0x2f}], 0x1, 0x0, 0x0, 0x49f) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f0000000300)={0x1, 0x0, @pic={0x0, 0xfff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}}) ioctl$TUNSETQUEUE(0xffffffffffffffff, 0x400454d9, &(0x7f0000000100)={'nlmon\t\x00\x7f\xed\xb1[\xe5\xa3\xcd\xb6\x00'}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x0, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000001c0)={[0x0, 0x0, 0x0, 0x0, 0x10001, 0x0, 0x4cb]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 55.726749][ T8236] chnl_net:caif_netlink_parms(): no params data found [ 55.747698][ T8231] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.794555][ T8234] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.808723][ T8234] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.827765][ T8231] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.902449][ T8231] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.969393][ T8231] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.034404][ T8234] team0: Port device team_slave_0 added [ 56.045906][ T8234] team0: Port device team_slave_1 added [ 56.058726][ T8244] IPVS: ftp: loaded support on port[0] = 21 [ 56.093884][ T8236] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.102335][ T8236] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.110218][ T8236] device bridge_slave_0 entered promiscuous mode [ 56.119645][ T8236] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.127429][ T8236] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.135297][ T8236] device bridge_slave_1 entered promiscuous mode [ 56.192845][ T8234] device hsr_slave_0 entered promiscuous mode [ 56.260617][ T8234] device hsr_slave_1 entered promiscuous mode [ 56.300504][ T8234] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.352863][ T8236] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.423536][ T8236] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.445125][ T8239] chnl_net:caif_netlink_parms(): no params data found [ 56.470806][ T8242] chnl_net:caif_netlink_parms(): no params data found [ 56.486797][ T8236] team0: Port device team_slave_0 added [ 56.497377][ T8236] team0: Port device team_slave_1 added [ 56.532231][ T8234] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.603553][ T8234] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.655538][ T8234] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.712906][ T8239] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.720018][ T8239] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.728070][ T8239] device bridge_slave_0 entered promiscuous mode [ 56.792533][ T8236] device hsr_slave_0 entered promiscuous mode [ 56.820996][ T8236] device hsr_slave_1 entered promiscuous mode [ 56.860409][ T8236] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.872619][ T8234] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.912237][ T8239] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.919327][ T8239] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.927726][ T8239] device bridge_slave_1 entered promiscuous mode [ 56.949982][ T8242] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.958450][ T8242] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.968818][ T8242] device bridge_slave_0 entered promiscuous mode [ 56.988803][ T8244] chnl_net:caif_netlink_parms(): no params data found [ 57.000950][ T8242] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.008056][ T8242] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.016512][ T8242] device bridge_slave_1 entered promiscuous mode [ 57.040719][ T8239] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.057906][ T8242] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.077580][ T8239] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.102509][ T8239] team0: Port device team_slave_0 added [ 57.110134][ T8239] team0: Port device team_slave_1 added [ 57.129552][ T8242] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.213031][ T8239] device hsr_slave_0 entered promiscuous mode [ 57.270771][ T8239] device hsr_slave_1 entered promiscuous mode [ 57.330419][ T8239] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.343845][ T8244] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.351549][ T8244] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.359305][ T8244] device bridge_slave_0 entered promiscuous mode [ 57.368625][ T8244] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.376111][ T8244] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.383946][ T8244] device bridge_slave_1 entered promiscuous mode [ 57.395700][ T8236] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.453720][ T8236] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.512525][ T8236] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.565606][ T8236] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.615364][ T8231] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.634865][ T8244] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.647891][ T8242] team0: Port device team_slave_0 added [ 57.657248][ T8242] team0: Port device team_slave_1 added [ 57.671461][ T8231] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.683187][ T8244] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.694850][ T8248] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.704303][ T8248] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.738009][ T8239] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.793238][ T8239] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.845580][ T8239] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.943016][ T8242] device hsr_slave_0 entered promiscuous mode [ 57.990668][ T8242] device hsr_slave_1 entered promiscuous mode [ 58.030485][ T8242] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.048134][ T8239] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.097317][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.105875][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.115245][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.122432][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.132104][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.145275][ T8244] team0: Port device team_slave_0 added [ 58.154262][ T8244] team0: Port device team_slave_1 added [ 58.199339][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.211810][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.220906][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.227960][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.236057][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.244835][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.253313][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.262158][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.272775][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.323173][ T8244] device hsr_slave_0 entered promiscuous mode [ 58.370698][ T8244] device hsr_slave_1 entered promiscuous mode [ 58.410399][ T8244] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.422681][ T8242] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 58.472064][ T8242] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 58.512640][ T8242] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 58.562028][ T8242] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 58.605484][ T2749] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.614191][ T2749] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.634336][ T8234] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.673232][ T8234] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.692412][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.700905][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.709268][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.718409][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.731116][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.739361][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.748888][ T8244] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 58.802506][ T8244] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 58.843505][ T8244] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 58.903686][ T8244] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 58.971482][ T8231] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.998841][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.008079][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.017913][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.025002][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.032773][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.042139][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.050490][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.057534][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.065130][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.073927][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.082194][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.089592][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.098780][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.110848][ T8239] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.133038][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.143237][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.152885][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.162979][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.186938][ T8239] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.195444][ T2749] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.203332][ T2749] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.211237][ T2749] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.218783][ T2749] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.227913][ T2749] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.237891][ T8236] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.247713][ T8231] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.265593][ T8234] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.277434][ T8234] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.309877][ T8244] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.321645][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.329980][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.340477][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.347932][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.367930][ T8234] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.388938][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.401342][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.409649][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.416839][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.425448][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.433145][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.440802][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.449308][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.457726][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.464784][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.472842][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.481356][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.490539][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.499056][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.508468][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.516387][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.531770][ T8244] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.542841][ T8242] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.556760][ T8236] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.564098][ T2749] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.572444][ T2749] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.580215][ T2749] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.591910][ T2749] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.611016][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.620075][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.628972][ T8245] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.636099][ T8245] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.644967][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.654296][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.663019][ T8245] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.670067][ T8245] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.677716][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.686192][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.694663][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.703133][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.718166][ T8242] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.729538][ T8239] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.753046][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.766344][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.775645][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.785050][ T8251] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.792443][ T8251] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.801438][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.809513][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.817457][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.826513][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.841683][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.855284][ T8251] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.862407][ T8251] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.879618][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.888819][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.903528][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.915464][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.927229][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.938444][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.979613][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.989271][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.004659][ T8251] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.011798][ T8251] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.025269][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.034343][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.049511][ T8251] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.056660][ T8251] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.070829][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.079685][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.094151][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.105128][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.118875][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.129839][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.144544][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.155273][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.167940][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.179602][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.194449][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 164.810244][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.816995][ C0] rcu: 0-...!: (10499 ticks this GP) idle=976/1/0x4000000000000002 softirq=11126/11128 fqs=40 [ 164.827545][ C0] (t=10501 jiffies g=6453 q=392) [ 164.832569][ C0] rcu: rcu_preempt kthread starved for 10419 jiffies! g6453 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 164.843659][ C0] rcu: RCU grace-period kthread stack dump: [ 164.849554][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 164.857439][ C0] Call Trace: [ 164.860867][ C0] __schedule+0x9a0/0xcc0 [ 164.865203][ C0] schedule+0x181/0x210 [ 164.869356][ C0] schedule_timeout+0x14f/0x240 [ 164.874198][ C0] ? run_local_timers+0x120/0x120 [ 164.879383][ C0] rcu_gp_kthread+0xed8/0x1770 [ 164.884145][ C0] kthread+0x332/0x350 [ 164.888196][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 164.893316][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.897909][ C0] ret_from_fork+0x24/0x30 [ 164.902336][ C0] NMI backtrace for cpu 0 [ 164.906655][ C0] CPU: 0 PID: 4087 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 164.914092][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.924131][ C0] Call Trace: [ 164.927398][ C0] [ 164.930237][ C0] dump_stack+0x1fb/0x318 [ 164.934554][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.939385][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.945524][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.951575][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.957550][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.963427][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.968525][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.973724][ C0] ? trace_hardirqs_off+0x74/0x80 [ 164.978737][ C0] update_process_times+0x12d/0x180 [ 164.983920][ C0] tick_sched_timer+0x263/0x420 [ 164.988756][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.994284][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.999479][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.004417][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.009688][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.015220][ C0] apic_timer_interrupt+0xf/0x20 [ 165.020139][ C0] [ 165.023067][ C0] RIP: 0010:free_thread_stack+0x13d/0x590 [ 165.028771][ C0] Code: 00 00 e8 06 a2 60 00 e9 5d 04 00 00 e8 5c 2d 2e 00 48 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 43 a4 69 00 <49> 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 [ 165.048479][ C0] RSP: 0018:ffffc900019d7b10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.056876][ C0] RAX: 0000000000000001 RBX: ffffea0002810500 RCX: 0000000000000000 [ 165.064830][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002810500 [ 165.072789][ C0] RBP: ffffc900019d7b48 R08: 000000000003a768 R09: ffffed1012d24ac7 [ 165.080745][ C0] R10: ffffed1012d24ac7 R11: 0000000000000000 R12: ffff8880a74ed6a0 [ 165.089742][ C0] R13: dffffc0000000000 R14: 1ffff11014e9dad4 R15: ffff888096925628 [ 165.097719][ C0] put_task_stack+0xa3/0x130 [ 165.102385][ C0] finish_task_switch+0x3f1/0x550 [ 165.107399][ C0] __schedule+0x9a8/0xcc0 [ 165.111722][ C0] schedule+0x181/0x210 [ 165.115866][ C0] schedule_hrtimeout_range_clock+0x108/0x510 [ 165.121924][ C0] ? _raw_spin_unlock_irq+0x22/0x80 [ 165.127113][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 165.132482][ C0] ep_poll+0xa4d/0xe80 [ 165.136544][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 165.141899][ C0] ? do_task_dead+0xc0/0xc0 [ 165.146395][ C0] do_epoll_wait+0x1ee/0x260 [ 165.150970][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 165.155980][ C0] do_syscall_64+0xf7/0x1c0 [ 165.160470][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.166346][ C0] RIP: 0033:0x7f97170ad943 [ 165.170746][ 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 [ 165.190334][ C0] RSP: 002b:00007fff7e878168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 165.198726][ C0] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f97170ad943 [ 165.206683][ C0] RDX: 0000000000000008 RSI: 00007fff7e878260 RDI: 000000000000000a [ 165.214638][ C0] RBP: 0000000000000000 R08: 0000000000e980d0 R09: 00007f97170f71d0 [ 165.222591][ C0] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000003 [ 165.230558][ C0] R13: 0000000000000010 R14: 0000000000eb18f0 R15: 0000000000e98250