[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.195631][ T23] audit: type=1800 audit(1578483739.632:25): pid=8427 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.214559][ T23] audit: type=1800 audit(1578483739.642:26): pid=8427 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.257808][ T23] audit: type=1800 audit(1578483739.642:27): pid=8427 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 '10.128.1.42' (ECDSA) to the list of known hosts. 2020/01/08 11:42:30 fuzzer started 2020/01/08 11:42:32 dialing manager at 10.128.0.26:35703 2020/01/08 11:42:32 syscalls: 2824 2020/01/08 11:42:32 code coverage: enabled 2020/01/08 11:42:32 comparison tracing: enabled 2020/01/08 11:42:32 extra coverage: enabled 2020/01/08 11:42:32 setuid sandbox: enabled 2020/01/08 11:42:32 namespace sandbox: enabled 2020/01/08 11:42:32 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 11:42:32 fault injection: enabled 2020/01/08 11:42:32 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 11:42:32 net packet injection: enabled 2020/01/08 11:42:32 net device setup: enabled 2020/01/08 11:42:32 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 11:42:32 devlink PCI setup: PCI device 0000:00:10.0 is not available 11:42:33 executing program 0: r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) r1 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r1, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") getpeername(r0, &(0x7f0000000180)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @multicast1}}}, &(0x7f0000000200)=0x80) 11:42:33 executing program 1: sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x1d, 0x400000000000109, 0x0, 0x0, {0x7}, [@typed={0x8}]}, 0x1c}}, 0x0) r0 = socket(0x10, 0x80002, 0x0) sendmmsg$alg(r0, &(0x7f0000000140)=[{0x0, 0x0, &(0x7f0000000100), 0x0, &(0x7f0000000100)}], 0x492492492492805, 0x0) syzkaller login: [ 65.156482][ T8593] IPVS: ftp: loaded support on port[0] = 21 [ 65.202597][ T8595] IPVS: ftp: loaded support on port[0] = 21 11:42:33 executing program 2: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x1, 0x7e, 0x1, 0x3}, 0x2c) bpf$MAP_CREATE(0x0, &(0x7f0000214fd4)={0xc, 0x4, 0x4, 0x234, 0x0, r0, 0x0, [0x305f, 0x2e, 0x32e, 0x182e, 0x2e, 0x80ffff, 0x80ffff, 0x2, 0x2e]}, 0x2c) [ 65.370612][ T8593] chnl_net:caif_netlink_parms(): no params data found [ 65.423531][ T8595] chnl_net:caif_netlink_parms(): no params data found [ 65.454685][ T8599] IPVS: ftp: loaded support on port[0] = 21 [ 65.495400][ T8593] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.504425][ T8593] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.512953][ T8593] device bridge_slave_0 entered promiscuous mode 11:42:34 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000029000/0x18000)=nil, &(0x7f0000000240)=[@text32={0x20, &(0x7f00000000c0)="b9800000c00f3235010000000f309a090000006500660f3882af724d00002ed8ddc74424008fc4bd87c7442402c43a727fc7442406000000000f011424f30f090f013a360f06c4c18d72d68366baa100ed", 0x51}], 0x1, 0x0, 0x0, 0xa4) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000540)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc5e]}) write$P9_RXATTRWALK(0xffffffffffffffff, &(0x7f0000000080)={0xf}, 0xf) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f0000000000)={0x1, 0x70, 0x3, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 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, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 65.541580][ T8593] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.549546][ T8593] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.559176][ T8593] device bridge_slave_1 entered promiscuous mode [ 65.594421][ T8595] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.606232][ T8595] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.627992][ T8595] device bridge_slave_0 entered promiscuous mode [ 65.671718][ T8595] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.681501][ T8595] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.691968][ T8595] device bridge_slave_1 entered promiscuous mode [ 65.710757][ T8593] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.753821][ T8593] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.783111][ T8595] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.803337][ T8599] chnl_net:caif_netlink_parms(): no params data found [ 65.820936][ T8595] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 11:42:34 executing program 4: msgrcv(0x0, 0x0, 0x619, 0x0, 0x0) msgrcv(0x0, 0x0, 0x0, 0x0, 0x0) msgctl$IPC_SET(0x0, 0x1, &(0x7f0000000440)={{0x0, 0x0, 0xee01}}) [ 65.856875][ T8593] team0: Port device team_slave_0 added [ 65.865593][ T8593] team0: Port device team_slave_1 added [ 65.892284][ T8602] IPVS: ftp: loaded support on port[0] = 21 [ 65.922438][ T8595] team0: Port device team_slave_0 added [ 65.989759][ T8593] device hsr_slave_0 entered promiscuous mode [ 66.017389][ T8593] device hsr_slave_1 entered promiscuous mode [ 66.083520][ T8595] team0: Port device team_slave_1 added [ 66.092045][ T8599] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.099757][ T8599] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.108504][ T8599] device bridge_slave_0 entered promiscuous mode [ 66.119783][ T8599] bridge0: port 2(bridge_slave_1) entered blocking state 11:42:34 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet(0x2, 0x2, 0x0) getsockopt$IP_VS_SO_GET_SERVICES(r2, 0x0, 0x482, &(0x7f0000000240)=""/38, &(0x7f0000000300)=0x26) [ 66.127934][ T8599] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.135637][ T8599] device bridge_slave_1 entered promiscuous mode [ 66.157893][ T8604] IPVS: ftp: loaded support on port[0] = 21 [ 66.229131][ T8599] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.279889][ T8595] device hsr_slave_0 entered promiscuous mode [ 66.338627][ T8595] device hsr_slave_1 entered promiscuous mode [ 66.377204][ T8595] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.384976][ T8595] Cannot create hsr debugfs directory [ 66.398058][ T8599] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.429469][ T8599] team0: Port device team_slave_0 added [ 66.451532][ T8606] IPVS: ftp: loaded support on port[0] = 21 [ 66.463788][ T8599] team0: Port device team_slave_1 added [ 66.580392][ T8599] device hsr_slave_0 entered promiscuous mode [ 66.617421][ T8599] device hsr_slave_1 entered promiscuous mode [ 66.687150][ T8599] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.694857][ T8599] Cannot create hsr debugfs directory [ 66.716730][ T8593] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.790228][ T8593] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.819480][ T8593] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.871376][ T8593] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.929425][ T8595] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.989538][ T8595] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.049432][ T8595] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.090325][ T8595] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.296868][ T8602] chnl_net:caif_netlink_parms(): no params data found [ 67.343093][ T8606] chnl_net:caif_netlink_parms(): no params data found [ 67.360485][ T8604] chnl_net:caif_netlink_parms(): no params data found [ 67.381949][ T8599] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.443404][ T8599] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.499487][ T8599] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.560746][ T8599] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.625304][ T8602] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.633098][ T8602] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.642003][ T8602] device bridge_slave_0 entered promiscuous mode [ 67.653544][ T8602] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.661772][ T8602] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.669991][ T8602] device bridge_slave_1 entered promiscuous mode [ 67.691669][ T8604] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.699767][ T8604] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.707948][ T8604] device bridge_slave_0 entered promiscuous mode [ 67.717002][ T8604] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.724553][ T8604] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.732652][ T8604] device bridge_slave_1 entered promiscuous mode [ 67.756643][ T8602] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.788348][ T8606] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.795422][ T8606] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.803325][ T8606] device bridge_slave_0 entered promiscuous mode [ 67.813016][ T8602] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.838383][ T8593] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.846316][ T8606] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.853916][ T8606] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.862143][ T8606] device bridge_slave_1 entered promiscuous mode [ 67.886744][ T8606] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.899881][ T8604] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.915640][ T8604] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.937797][ T8604] team0: Port device team_slave_0 added [ 67.948285][ T8606] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.978560][ T8604] team0: Port device team_slave_1 added [ 67.989226][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.997958][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.012713][ T8593] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.021654][ T8602] team0: Port device team_slave_0 added [ 68.029762][ T8602] team0: Port device team_slave_1 added [ 68.037013][ T8606] team0: Port device team_slave_0 added [ 68.045051][ T8606] team0: Port device team_slave_1 added [ 68.067560][ T8595] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.081378][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.090809][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.099553][ T2737] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.106690][ T2737] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.114807][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.158381][ T8595] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.220658][ T8602] device hsr_slave_0 entered promiscuous mode [ 68.257502][ T8602] device hsr_slave_1 entered promiscuous mode [ 68.317246][ T8602] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.324867][ T8602] Cannot create hsr debugfs directory [ 68.331563][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.340213][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.348168][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.356610][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.365000][ T2680] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.372064][ T2680] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.380159][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.388705][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.396936][ T2680] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.404051][ T2680] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.460373][ T8606] device hsr_slave_0 entered promiscuous mode [ 68.517552][ T8606] device hsr_slave_1 entered promiscuous mode [ 68.557374][ T8606] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.564934][ T8606] Cannot create hsr debugfs directory [ 68.619925][ T8604] device hsr_slave_0 entered promiscuous mode [ 68.667406][ T8604] device hsr_slave_1 entered promiscuous mode [ 68.707173][ T8604] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.714787][ T8604] Cannot create hsr debugfs directory [ 68.742167][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.750424][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.759208][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.767752][ T2701] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.774791][ T2701] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.782879][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.799763][ T8599] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.840759][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.852892][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.885876][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.895429][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.904598][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.913540][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.927943][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.935618][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.966009][ T8595] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.976900][ T8595] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.993669][ T8599] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.008877][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.019483][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.028096][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.036435][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.045108][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.053457][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.062104][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.070415][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.078692][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.087151][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.095476][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.103310][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.178173][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.187931][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.196181][ T2727] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.203275][ T2727] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.211116][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.219799][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.228213][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.236648][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.245040][ T2727] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.252112][ T2727] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.260130][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.267626][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.275657][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.284334][ T8604] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.358943][ T8604] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.423749][ T8604] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.492085][ T8593] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.505052][ T8593] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.524919][ T8604] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.549734][ T8602] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.599716][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.609659][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.620337][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.631175][ T8595] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.638611][ T8606] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.689581][ T8606] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.719764][ T8606] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.749282][ T8602] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.788431][ T8593] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.821371][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.828963][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.836321][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.846462][ T8606] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.908995][ T8602] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.957267][ T8602] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.997864][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.006426][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.015393][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.024668][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.033035][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.041576][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.050226][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.059535][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.068536][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.076689][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.085397][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.102138][ T8599] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.113656][ T8599] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.135110][ T8593] device veth0_vlan entered promiscuous mode [ 70.144848][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.155189][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.163557][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.172260][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.198683][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.206390][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.219990][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.227870][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.242557][ T8593] device veth1_vlan entered promiscuous mode [ 70.273613][ T8595] device veth0_vlan entered promiscuous mode [ 70.285232][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.294326][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.302700][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.312254][ T8599] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.335128][ T8604] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.345892][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.354954][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.363306][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.412651][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.421817][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.441788][ T8606] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.452191][ T8595] device veth1_vlan entered promiscuous mode [ 70.481342][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.489707][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.500444][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.513469][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.527298][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.535222][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.551058][ T8599] device veth0_vlan entered promiscuous mode [ 70.560293][ T8604] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.612571][ T8604] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.628885][ T8604] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.670248][ T8604] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.690372][ T8606] 8021q: adding VLAN 0 to HW filter on device team0 [ 175.557015][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.563768][ C0] rcu: 0-...!: (10499 ticks this GP) idle=196/1/0x4000000000000002 softirq=14080/14080 fqs=8 [ 175.574260][ C0] (t=10500 jiffies g=6937 q=403) [ 175.579276][ C0] rcu: rcu_preempt kthread starved for 10484 jiffies! g6937 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 175.590365][ C0] rcu: RCU grace-period kthread stack dump: [ 175.596241][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 175.604141][ C0] Call Trace: [ 175.607430][ C0] __schedule+0x9a0/0xcc0 [ 175.611760][ C0] schedule+0x181/0x210 [ 175.615905][ C0] schedule_timeout+0x14f/0x240 [ 175.620747][ C0] ? run_local_timers+0x120/0x120 [ 175.625775][ C0] rcu_gp_kthread+0xed8/0x1770 [ 175.630563][ C0] kthread+0x332/0x350 [ 175.634629][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 175.639741][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.644363][ C0] ret_from_fork+0x24/0x30 [ 175.648794][ C0] NMI backtrace for cpu 0 [ 175.653113][ C0] CPU: 0 PID: 8612 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.661685][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.671828][ C0] Call Trace: [ 175.675115][ C0] [ 175.677957][ C0] dump_stack+0x1fb/0x318 [ 175.682279][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.687127][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.693271][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.699344][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.705341][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.711249][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.716365][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.721557][ C0] ? trace_hardirqs_off+0x74/0x80 [ 175.726595][ C0] update_process_times+0x12d/0x180 [ 175.731810][ C0] tick_sched_timer+0x263/0x420 [ 175.736655][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.742197][ C0] __hrtimer_run_queues+0x403/0x840 [ 175.747504][ C0] hrtimer_interrupt+0x38c/0xda0 [ 175.752452][ C0] ? debug_smp_processor_id+0x9/0x20 [ 175.758170][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 175.763709][ C0] apic_timer_interrupt+0xf/0x20 [ 175.768646][ C0] [ 175.771608][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x31/0x50 [ 175.777883][ C0] Code: 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 <48> 8d 7e 01 8b 89 84 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 [ 175.797572][ C0] RSP: 0018:ffffc90002457988 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.805973][ C0] RAX: ffffffff814897d3 RBX: 0000000000000000 RCX: ffff888095d12040 [ 175.813937][ C0] RDX: ffffc90001f29000 RSI: 000000000003ffff RDI: 0000000000040000 [ 175.821901][ C0] RBP: ffffc900024579b0 R08: 000000000003a728 R09: ffffed101130eb41 [ 175.829861][ C0] R10: ffffed101130eb41 R11: 0000000000000000 R12: dffffc0000000000 [ 175.837824][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880898759f8 [ 175.845802][ C0] ? mod_memcg_page_state+0x123/0x190 [ 175.851168][ C0] ? free_thread_stack+0x124/0x590 [ 175.856284][ C0] ? mod_memcg_page_state+0x123/0x190 [ 175.861659][ C0] free_thread_stack+0x168/0x590 [ 175.866587][ C0] put_task_stack+0xa3/0x130 [ 175.871170][ C0] finish_task_switch+0x3f1/0x550 [ 175.876204][ C0] __schedule+0x9a8/0xcc0 [ 175.880526][ C0] ? debug_smp_processor_id+0x9/0x20 [ 175.885825][ C0] schedule+0x181/0x210 [ 175.890107][ C0] schedule_preempt_disabled+0x13/0x20 [ 175.895577][ C0] mutex_optimistic_spin+0x445/0x480 [ 175.900876][ C0] __mutex_lock_common+0x2e7/0x2e10 [ 175.906069][ C0] ? rtnl_lock+0x17/0x20 [ 175.910307][ C0] ? __might_fault+0xf9/0x160 [ 175.914988][ C0] mutex_lock_nested+0x1b/0x30 [ 175.919743][ C0] rtnl_lock+0x17/0x20 [ 175.923799][ C0] sock_do_ioctl+0x11e/0x260 [ 175.928381][ C0] sock_ioctl+0x464/0x690 [ 175.932705][ C0] ? sock_poll+0x310/0x310 [ 175.937126][ C0] do_vfs_ioctl+0x70b/0x1a30 [ 175.941717][ C0] ? __fget+0x431/0x510 [ 175.945875][ C0] ? tomoyo_file_ioctl+0x23/0x30 [ 175.950815][ C0] ? security_file_ioctl+0xa1/0xd0 [ 175.955922][ C0] __x64_sys_ioctl+0xe3/0x120 [ 175.960594][ C0] do_syscall_64+0xf7/0x1c0 [ 175.965090][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.971003][ C0] RIP: 0033:0x45af49 [ 175.974902][ C0] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 175.994580][ C0] RSP: 002b:00007fb3938d8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 176.002983][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 176.010942][ C0] RDX: 0000000020000080 RSI: 0000001000008912 RDI: 0000000000000003 [ 176.018905][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 176.026887][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb3938d96d4 [ 176.034857][ C0] R13: 00000000004c2837 R14: 00000000004d8b30 R15: 00000000ffffffff