[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.497681][ T23] audit: type=1800 audit(1578474937.022:25): pid=8395 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.517698][ T23] audit: type=1800 audit(1578474937.022:26): pid=8395 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.551061][ T23] audit: type=1800 audit(1578474937.022:27): pid=8395 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 syzkaller login: [ 58.881985][ T8532] sshd (8532) used greatest stack depth: 23416 bytes left Warning: Permanently added '10.128.0.151' (ECDSA) to the list of known hosts. 2020/01/08 09:15:47 fuzzer started 2020/01/08 09:15:49 dialing manager at 10.128.0.26:35703 2020/01/08 09:15:49 syscalls: 2824 2020/01/08 09:15:49 code coverage: enabled 2020/01/08 09:15:49 comparison tracing: enabled 2020/01/08 09:15:49 extra coverage: enabled 2020/01/08 09:15:49 setuid sandbox: enabled 2020/01/08 09:15:49 namespace sandbox: enabled 2020/01/08 09:15:49 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 09:15:49 fault injection: enabled 2020/01/08 09:15:49 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 09:15:49 net packet injection: enabled 2020/01/08 09:15:49 net device setup: enabled 2020/01/08 09:15:49 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 09:15:49 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:15:50 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000140)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000280)={@in6={{0xa, 0x0, 0x0, @loopback}}, 0x0, 0x8}, 0xd8) listen(r0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x8000000004) writev(r1, &(0x7f0000000080)=[{&(0x7f0000000200)="580000001400add427323b470c45b4560a067fffffff81004e22000d00ff0028925aa80020007b00090080000efffeffe809000000ff0000f03ac7100003ffffffffffffffffffffffe7ee00000000000000000200000000", 0x1a1}], 0x1) 09:15:50 executing program 1: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet(0x10, 0x3, 0x0) sendmsg(r3, &(0x7f00000002c0)={0x0, 0xfffffffffffffefe, &(0x7f0000000340)=[{&(0x7f0000000200)="2400000020007be11dfffd946f610500020000061f0000000000080008000b000400ff7e280000001100ffffba16a0aa1c0900000000000020000000000000eff24d8238cfa47e23f7efbf54", 0x4c}], 0x1}, 0x0) [ 68.806618][ T8561] IPVS: ftp: loaded support on port[0] = 21 [ 68.974590][ T8563] IPVS: ftp: loaded support on port[0] = 21 [ 68.985056][ T8561] chnl_net:caif_netlink_parms(): no params data found 09:15:50 executing program 2: ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x3, 0x4, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_gettime(0x6, 0x0) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) shutdown(r0, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000540)={0x0, 0x10, &(0x7f0000000600)=[@in={0x2, 0x0, @dev}]}, &(0x7f00000005c0)=0x26c) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, 0x0, 0x0) syz_open_dev$midi(0x0, 0x5, 0x0) syz_open_dev$midi(0x0, 0x5, 0x0) syz_open_dev$media(0x0, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x22, 0x0, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000200), &(0x7f0000000240)=0x8) move_pages(0x0, 0x1, &(0x7f0000000040)=[&(0x7f0000002000/0x1000)=nil], &(0x7f00000000c0)=[0x0], &(0x7f0000000180), 0x0) [ 69.075450][ T8561] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.084187][ T8561] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.092616][ T8561] device bridge_slave_0 entered promiscuous mode [ 69.112231][ T8561] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.119550][ T8561] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.127574][ T8561] device bridge_slave_1 entered promiscuous mode [ 69.203342][ T8561] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.233045][ T8563] chnl_net:caif_netlink_parms(): no params data found [ 69.244772][ T8561] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.323625][ T8561] team0: Port device team_slave_0 added [ 69.344181][ T8563] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.352297][ T8563] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.364676][ T8567] IPVS: ftp: loaded support on port[0] = 21 09:15:50 executing program 3: r0 = socket$can_bcm(0x1d, 0x2, 0x2) accept$inet6(r0, 0x0, 0x0) [ 69.371239][ T8563] device bridge_slave_0 entered promiscuous mode [ 69.389678][ T8561] team0: Port device team_slave_1 added [ 69.396355][ T8563] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.418242][ T8563] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.426131][ T8563] device bridge_slave_1 entered promiscuous mode [ 69.466431][ T8563] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 09:15:51 executing program 4: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cpuacct.stat\x00', 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000740)={0x3, 0x2, 0xf000, 0x1000, &(0x7f0000000000/0x1000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0xa27b, 0x0, 0x0, 0xfb]}) r3 = socket$unix(0x1, 0x1, 0x0) r4 = socket$unix(0x1, 0x1, 0x0) r5 = dup2(r4, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000380)={[], 0x0, 0x510}) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 69.571058][ T8561] device hsr_slave_0 entered promiscuous mode [ 69.640272][ T8561] device hsr_slave_1 entered promiscuous mode [ 69.764436][ T8563] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.797337][ T8569] IPVS: ftp: loaded support on port[0] = 21 09:15:51 executing program 5: syz_emit_ethernet(0x7c, &(0x7f0000000040)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaabb86dd6035266800462f00fe8000000000000000000000000000aafe8000000000000000000000000000aa3420655800000000000000000800000086dd080088be00004305400f00000108230000000000080022eb00000000200000000200000000000000000000000800655800000000"], 0x0) [ 69.822814][ T8571] IPVS: ftp: loaded support on port[0] = 21 [ 69.825409][ T8563] team0: Port device team_slave_0 added [ 69.872980][ T8563] team0: Port device team_slave_1 added [ 70.011310][ T8563] device hsr_slave_0 entered promiscuous mode [ 70.048449][ T8563] device hsr_slave_1 entered promiscuous mode [ 70.118312][ T8563] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.126179][ T8563] Cannot create hsr debugfs directory [ 70.169944][ T8573] IPVS: ftp: loaded support on port[0] = 21 [ 70.314064][ T8561] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.373139][ T8567] chnl_net:caif_netlink_parms(): no params data found [ 70.413907][ T8569] chnl_net:caif_netlink_parms(): no params data found [ 70.423135][ T8561] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.474076][ T8561] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.582600][ T8561] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.689493][ T8571] chnl_net:caif_netlink_parms(): no params data found [ 70.704024][ T8573] chnl_net:caif_netlink_parms(): no params data found [ 70.715897][ T8567] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.724217][ T8567] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.732116][ T8567] device bridge_slave_0 entered promiscuous mode [ 70.741397][ T8567] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.748551][ T8567] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.756466][ T8567] device bridge_slave_1 entered promiscuous mode [ 70.767364][ T8569] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.774653][ T8569] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.782646][ T8569] device bridge_slave_0 entered promiscuous mode [ 70.793032][ T8569] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.800226][ T8569] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.808060][ T8569] device bridge_slave_1 entered promiscuous mode [ 70.832904][ T8563] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 70.903419][ T8563] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 70.983880][ T8567] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.996084][ T8567] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.005900][ T8563] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 71.074120][ T8563] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 71.146037][ T8569] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.186185][ T8569] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.204253][ T8567] team0: Port device team_slave_0 added [ 71.217265][ T8567] team0: Port device team_slave_1 added [ 71.229252][ T8573] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.236379][ T8573] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.244720][ T8573] device bridge_slave_0 entered promiscuous mode [ 71.257120][ T8573] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.264311][ T8573] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.272095][ T8573] device bridge_slave_1 entered promiscuous mode [ 71.280764][ T8571] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.287815][ T8571] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.296246][ T8571] device bridge_slave_0 entered promiscuous mode [ 71.307675][ T8571] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.316523][ T8571] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.324538][ T8571] device bridge_slave_1 entered promiscuous mode [ 71.336335][ T8569] team0: Port device team_slave_0 added [ 71.357039][ T8573] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.384428][ T8569] team0: Port device team_slave_1 added [ 71.420333][ T8569] device hsr_slave_0 entered promiscuous mode [ 71.478534][ T8569] device hsr_slave_1 entered promiscuous mode [ 71.518277][ T8569] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.525862][ T8569] Cannot create hsr debugfs directory [ 71.532643][ T8573] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.543904][ T8571] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.581467][ T8571] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.613281][ T8567] device hsr_slave_0 entered promiscuous mode [ 71.668611][ T8567] device hsr_slave_1 entered promiscuous mode [ 71.698271][ T8567] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.705884][ T8567] Cannot create hsr debugfs directory [ 71.733714][ T8571] team0: Port device team_slave_0 added [ 71.741457][ T8571] team0: Port device team_slave_1 added [ 71.772541][ T8573] team0: Port device team_slave_0 added [ 71.780904][ T8573] team0: Port device team_slave_1 added [ 71.810200][ T8571] device hsr_slave_0 entered promiscuous mode [ 71.868454][ T8571] device hsr_slave_1 entered promiscuous mode [ 71.908227][ T8571] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.916446][ T8571] Cannot create hsr debugfs directory [ 71.931415][ T8561] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.029891][ T8573] device hsr_slave_0 entered promiscuous mode [ 72.078632][ T8573] device hsr_slave_1 entered promiscuous mode [ 72.118249][ T8573] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.125840][ T8573] Cannot create hsr debugfs directory [ 72.223531][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.232010][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.243777][ T8561] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.285412][ T8567] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 72.340158][ T8567] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 72.395931][ T8569] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 72.420526][ T8569] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 72.473654][ T8569] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 72.520182][ T8567] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 72.576678][ T8563] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.590433][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.599776][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.609065][ T2966] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.616243][ T2966] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.625037][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.633539][ T8569] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 72.670336][ T8567] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 72.709539][ T8573] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 72.750519][ T8571] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 72.813112][ T8573] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 72.861055][ T8573] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 72.921405][ T8573] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 72.970267][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.977927][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.985686][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.994828][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.003566][ T2731] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.010661][ T2731] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.024263][ T8571] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 73.084133][ T8571] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 73.140598][ T8563] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.153742][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.162583][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.180717][ T8571] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 73.238614][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.247586][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.256064][ T2731] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.263160][ T2731] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.271808][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.281170][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.289827][ T2731] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.296962][ T2731] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.304555][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.313896][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.342467][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.352245][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.360989][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.369377][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.377739][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.387311][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.395275][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.403554][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.412162][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.447587][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.459593][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.496632][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.507656][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.516584][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.525130][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.537182][ T8563] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.551183][ T8563] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.575725][ T8573] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.584957][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.594053][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.602943][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.612309][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.635730][ T8567] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.645060][ T8561] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.661183][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.670660][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.678030][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.686467][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.701974][ T8571] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.716788][ T8569] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.731502][ T8573] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.746408][ T8563] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.758834][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.767464][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.780595][ T2966] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.787812][ T2966] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.798311][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.806182][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.814501][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.835403][ T8571] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.852301][ T8569] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.866039][ T8567] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.877635][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.886321][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.895107][ T2969] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.902212][ T2969] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.909880][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.918935][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.926616][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.934374][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.942055][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.949882][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.958492][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.966802][ T2969] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.974033][ T2969] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.981971][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.991770][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.005816][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.014021][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.021871][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.031099][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.039739][ T2727] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.046764][ T2727] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.056408][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.069449][ T8561] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.077413][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.086225][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.094694][ T2970] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.101909][ T2970] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.109639][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.118202][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.126475][ T2970] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.133777][ T2970] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.169833][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.177694][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.186633][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.195733][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.205056][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.213596][ T2970] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.220665][ T2970] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.228463][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.236867][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.245336][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.253857][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.262789][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.271675][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.280323][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.296715][ T8573] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 74.308291][ T8573] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.330091][ T8563] device veth0_vlan entered promiscuous mode [ 74.340610][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.350128][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.359031][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.367378][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.376359][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.384991][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.393674][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.402516][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.411066][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.419732][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.428003][ T2970] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.435188][ T2970] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.443105][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.451384][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.459906][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.468821][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.477609][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.485300][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.493042][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.501092][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.510335][ T2970] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.535615][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.544475][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.556280][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.564288][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.571806][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.580505][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.589045][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.606779][ T8571] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 74.618301][ T8571] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.646626][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.655501][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.664175][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.673028][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.681845][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.690645][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.701403][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.710291][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.721476][ T8563] device veth1_vlan entered promiscuous mode [ 74.732277][ T8573] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.733782][ T8569] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.794657][ T8569] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.836224][ T8567] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 74.846680][ T8567] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.889281][ T8567] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.936631][ T8567] device veth0_vlan entered promiscuous mode [ 74.954897][ T8567] device veth1_vlan entered promiscuous mode [ 179.778137][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 179.785407][ C0] rcu: 0-....: (10500 ticks this GP) idle=3be/1/0x4000000000000002 softirq=14628/14628 fqs=2691 [ 179.796614][ C0] (t=10500 jiffies g=7425 q=673) [ 179.801663][ C0] rcu: rcu_preempt kthread starved for 5108 jiffies! g7425 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 179.812706][ C0] rcu: RCU grace-period kthread stack dump: [ 179.818981][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 179.827575][ C0] Call Trace: [ 179.830949][ C0] __schedule+0x9a0/0xcc0 [ 179.835452][ C0] schedule+0x181/0x210 [ 179.839609][ C0] schedule_timeout+0x14f/0x240 [ 179.844566][ C0] ? run_local_timers+0x120/0x120 [ 179.849617][ C0] rcu_gp_kthread+0xed8/0x1770 [ 179.854398][ C0] kthread+0x332/0x350 [ 179.858456][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 179.863557][ C0] ? kthread_blkcg+0xe0/0xe0 [ 179.868161][ C0] ret_from_fork+0x24/0x30 [ 179.872599][ C0] NMI backtrace for cpu 0 [ 179.876934][ C0] CPU: 0 PID: 320 Comm: kworker/u4:4 Not tainted 5.5.0-rc5-syzkaller #0 [ 179.885238][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.895600][ C0] Workqueue: events_unbound call_usermodehelper_exec_work [ 179.902697][ C0] Call Trace: [ 179.906241][ C0] [ 179.909101][ C0] dump_stack+0x1fb/0x318 [ 179.913425][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 179.918268][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 179.924427][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 179.930481][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 179.936451][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 179.942329][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 179.947436][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 179.952628][ C0] ? trace_hardirqs_off+0x74/0x80 [ 179.957660][ C0] update_process_times+0x12d/0x180 [ 179.962849][ C0] tick_sched_timer+0x263/0x420 [ 179.967713][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 179.973258][ C0] __hrtimer_run_queues+0x403/0x840 [ 179.978487][ C0] hrtimer_interrupt+0x38c/0xda0 [ 179.983439][ C0] ? debug_smp_processor_id+0x9/0x20 [ 179.988983][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 179.994526][ C0] apic_timer_interrupt+0xf/0x20 [ 179.999451][ C0] [ 180.002388][ C0] RIP: 0010:__memcg_kmem_uncharge+0x0/0x1a0 [ 180.008275][ C0] Code: 00 eb 1b 83 3d 20 bf ac 07 00 74 12 48 81 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 [ 180.027869][ C0] RSP: 0018:ffffc900017079a0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 180.036291][ C0] RAX: ffffffff81489244 RBX: ffffea00024ebd00 RCX: ffff8880a8a20300 [ 180.044253][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00024ebd00 [ 180.052222][ C0] RBP: ffffc900017079e0 R08: dffffc0000000000 R09: fffffbfff124248a [ 180.060181][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff888090df9ca0 [ 180.068143][ C0] R13: dffffc0000000000 R14: 1ffff110121bf394 R15: ffff88809024d4f8 [ 180.076115][ C0] ? free_thread_stack+0x124/0x590 [ 180.081218][ C0] ? free_thread_stack+0x12e/0x590 [ 180.086320][ C0] put_task_stack+0xa3/0x130 [ 180.090918][ C0] finish_task_switch+0x3f1/0x550 [ 180.095939][ C0] __schedule+0x9a8/0xcc0 [ 180.100269][ C0] schedule+0x181/0x210 [ 180.104415][ C0] do_wait+0x16a/0x6b0 [ 180.108484][ C0] kernel_wait4+0x1ea/0x2e0 [ 180.112991][ C0] ? trace_sched_process_wait+0x2d0/0x2d0 [ 180.118707][ C0] call_usermodehelper_exec_work+0xed/0x320 [ 180.124611][ C0] process_one_work+0x7ef/0x10d0 [ 180.129662][ C0] worker_thread+0xc01/0x1630 [ 180.134959][ C0] kthread+0x332/0x350 [ 180.139026][ C0] ? rcu_lock_release+0x30/0x30 [ 180.144126][ C0] ? kthread_blkcg+0xe0/0xe0 [ 180.148707][ C0] ret_from_fork+0x24/0x30