[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.625200][ T27] audit: type=1800 audit(1578485732.440:25): pid=8374 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.666589][ T27] audit: type=1800 audit(1578485732.440:26): pid=8374 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.702893][ T27] audit: type=1800 audit(1578485732.440:27): pid=8374 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 12:15:43 fuzzer started 2020/01/08 12:15:44 dialing manager at 10.128.0.26:35703 2020/01/08 12:15:44 syscalls: 2824 2020/01/08 12:15:44 code coverage: enabled 2020/01/08 12:15:44 comparison tracing: enabled 2020/01/08 12:15:44 extra coverage: enabled 2020/01/08 12:15:44 setuid sandbox: enabled 2020/01/08 12:15:44 namespace sandbox: enabled 2020/01/08 12:15:44 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 12:15:44 fault injection: enabled 2020/01/08 12:15:44 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 12:15:44 net packet injection: enabled 2020/01/08 12:15:44 net device setup: enabled 2020/01/08 12:15:44 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 12:15:44 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:15:45 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ustat(0x6, &(0x7f0000000000)) 12:15:46 executing program 1: r0 = socket(0x10, 0x80002, 0x0) r1 = socket(0x200000000000011, 0x3, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f00000000c0)={'bridge_slave_0\x00', 0x0}) bind$packet(r1, &(0x7f0000000240)={0x11, 0x0, r3}, 0x14) getsockname$packet(r1, &(0x7f0000000500)={0x11, 0x0, 0x0}, &(0x7f0000000540)=0x100000421) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x1d8, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="240000005e000700000000000069aa0000000000", @ANYRES32=r4, @ANYBLOB="050000000000000d00000000"], 0x24}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000180)=[{0x2, 0x1000000000000, &(0x7f0000000080), 0xe, &(0x7f0000000100)}], 0x492492492492642, 0x0) syzkaller login: [ 69.248490][ T8540] IPVS: ftp: loaded support on port[0] = 21 [ 69.415544][ T8540] chnl_net:caif_netlink_parms(): no params data found 12:15:46 executing program 2: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000300)={&(0x7f0000000000)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x38, 0x38, 0x3, [@func={0x1}, @datasec={0x0, 0x3, 0x0, 0xf, 0x2, [], "a45c"}, @datasec={0x0, 0x0, 0x0, 0xf, 0x3, [], "486289"}, @datasec={0x0, 0x0, 0x0, 0xf, 0x3, [], "d149fd"}]}, {0x0, [0x61]}}, &(0x7f0000000200)=""/252, 0x53, 0xfc, 0x1}, 0x20) [ 69.484184][ T8543] IPVS: ftp: loaded support on port[0] = 21 [ 69.505777][ T8540] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.539539][ T8540] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.547588][ T8540] device bridge_slave_0 entered promiscuous mode [ 69.580932][ T8540] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.588007][ T8540] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.610145][ T8540] device bridge_slave_1 entered promiscuous mode [ 69.651936][ T8540] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.664475][ T8545] IPVS: ftp: loaded support on port[0] = 21 [ 69.671519][ T8540] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 12:15:46 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000000e000/0x18000)=nil, &(0x7f0000000080)=[@text16={0x10, &(0x7f0000000300)="640f4bef0f01cb66b8c74400000f23c00f21f8663500000b000f23f8660fd2b005000f3266b8010000000f01c1baf80c66b848e2658e66efbafc0c66b80e00000066ef0f01c50f090fae01"}], 0x338, 0x0, 0x0, 0x184) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_NMI(r2, 0xae9a) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_GUEST_DEBUG(r2, 0x4048ae9b, &(0x7f0000000100)={0x60001}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000380)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000000004cb]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 69.729546][ T8540] team0: Port device team_slave_0 added [ 69.750224][ T8540] team0: Port device team_slave_1 added [ 69.844717][ T8540] device hsr_slave_0 entered promiscuous mode 12:15:46 executing program 4: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$DRM_IOCTL_ADD_CTX(r0, 0xc08c5102, 0x0) [ 69.979666][ T8540] device hsr_slave_1 entered promiscuous mode [ 70.042114][ T8547] IPVS: ftp: loaded support on port[0] = 21 [ 70.122042][ T8543] chnl_net:caif_netlink_parms(): no params data found [ 70.193880][ T8550] IPVS: ftp: loaded support on port[0] = 21 [ 70.205592][ T8545] chnl_net:caif_netlink_parms(): no params data found 12:15:47 executing program 5: r0 = syz_open_dev$dri(&(0x7f00000001c0)='/dev/dri/card#\x00', 0x0, 0x0) ioctl$DRM_IOCTL_WAIT_VBLANK(r0, 0xc018643a, &(0x7f0000000000)) [ 70.293072][ T8543] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.304283][ T8543] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.315880][ T8543] device bridge_slave_0 entered promiscuous mode [ 70.363772][ T8543] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.374786][ T8543] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.388277][ T8543] device bridge_slave_1 entered promiscuous mode [ 70.412756][ T8545] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.421957][ T8545] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.429908][ T8545] device bridge_slave_0 entered promiscuous mode [ 70.439048][ T8545] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.446481][ T8545] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.454417][ T8545] device bridge_slave_1 entered promiscuous mode [ 70.487879][ T8545] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.504482][ T8543] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.506227][ T8553] IPVS: ftp: loaded support on port[0] = 21 [ 70.520859][ T8543] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.541564][ T8545] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.604492][ T8543] team0: Port device team_slave_0 added [ 70.611114][ T8540] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.673893][ T8540] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.732182][ T8540] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.783207][ T8545] team0: Port device team_slave_0 added [ 70.791018][ T8545] team0: Port device team_slave_1 added [ 70.797587][ T8543] team0: Port device team_slave_1 added [ 70.818901][ T8540] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.877891][ T8547] chnl_net:caif_netlink_parms(): no params data found [ 70.942156][ T8543] device hsr_slave_0 entered promiscuous mode [ 70.999740][ T8543] device hsr_slave_1 entered promiscuous mode [ 71.039453][ T8543] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.047194][ T8543] Cannot create hsr debugfs directory [ 71.161918][ T8545] device hsr_slave_0 entered promiscuous mode [ 71.219646][ T8545] device hsr_slave_1 entered promiscuous mode [ 71.269410][ T8545] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.277017][ T8545] Cannot create hsr debugfs directory [ 71.343671][ T8547] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.351205][ T8547] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.358852][ T8547] device bridge_slave_0 entered promiscuous mode [ 71.368874][ T8547] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.376147][ T8547] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.383904][ T8547] device bridge_slave_1 entered promiscuous mode [ 71.474081][ T8550] chnl_net:caif_netlink_parms(): no params data found [ 71.491489][ T8547] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.535143][ T8547] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.545171][ T8553] chnl_net:caif_netlink_parms(): no params data found [ 71.593886][ T8550] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.602308][ T8550] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.612054][ T8550] device bridge_slave_0 entered promiscuous mode [ 71.623390][ T8550] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.631639][ T8550] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.639604][ T8550] device bridge_slave_1 entered promiscuous mode [ 71.657984][ T8540] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.665352][ T8543] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 71.743340][ T8543] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 71.804579][ T8547] team0: Port device team_slave_0 added [ 71.821665][ T8550] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.834431][ T8543] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 71.892169][ T8547] team0: Port device team_slave_1 added [ 71.897921][ T8543] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 71.972601][ T8550] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.050977][ T8547] device hsr_slave_0 entered promiscuous mode [ 72.079805][ T8547] device hsr_slave_1 entered promiscuous mode [ 72.129397][ T8547] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.137099][ T8547] Cannot create hsr debugfs directory [ 72.148411][ T8540] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.155952][ T8545] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 72.191131][ T8553] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.198254][ T8553] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.206095][ T8553] device bridge_slave_0 entered promiscuous mode [ 72.215990][ T8550] team0: Port device team_slave_0 added [ 72.225739][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.234751][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.254460][ T8545] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 72.311962][ T8553] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.319060][ T8553] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.327255][ T8553] device bridge_slave_1 entered promiscuous mode [ 72.335992][ T8550] team0: Port device team_slave_1 added [ 72.351367][ T8545] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 72.394915][ T8545] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 72.467547][ T8553] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.503070][ T8553] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.523363][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.532560][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.541089][ T2936] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.548232][ T2936] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.556189][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.566386][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.574911][ T2936] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.581982][ T2936] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.590205][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.601529][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.661589][ T8550] device hsr_slave_0 entered promiscuous mode [ 72.709789][ T8550] device hsr_slave_1 entered promiscuous mode [ 72.749396][ T8550] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.757002][ T8550] Cannot create hsr debugfs directory [ 72.771797][ T8553] team0: Port device team_slave_0 added [ 72.781911][ T8553] team0: Port device team_slave_1 added [ 72.793878][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.804430][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.813300][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.822017][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.881791][ T8553] device hsr_slave_0 entered promiscuous mode [ 72.919650][ T8553] device hsr_slave_1 entered promiscuous mode [ 72.959344][ T8553] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.967103][ T8553] Cannot create hsr debugfs directory [ 72.997381][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.008290][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.042023][ T8540] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.053832][ T8540] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.071829][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.080314][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.088947][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.097508][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.106221][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.178185][ T8547] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 73.224256][ T8553] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 73.272452][ T8547] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 73.353338][ T8547] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 73.421990][ T8547] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 73.499736][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.507203][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.518343][ T8553] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 73.561537][ T8550] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 73.627032][ T8543] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.640868][ T8540] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.648537][ T8553] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 73.692170][ T8550] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 73.734818][ T8550] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 73.794336][ T8550] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 73.863041][ T8543] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.870443][ T8553] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 73.940937][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.950024][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.982695][ T8545] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.992212][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.001959][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.011605][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.023296][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.033096][ T2935] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.040287][ T2935] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.048096][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.057168][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.065702][ T2935] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.072807][ T2935] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.080942][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.100914][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.108969][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.118126][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.140221][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.148412][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.156629][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.165389][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.174083][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.182776][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.192145][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.201733][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.210727][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.218840][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.227426][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.237116][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.266198][ T8543] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.279879][ T8540] device veth0_vlan entered promiscuous mode [ 74.309852][ T8543] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.326153][ T8540] device veth1_vlan entered promiscuous mode [ 74.335947][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.345056][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.353107][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.360801][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.368190][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.395883][ T8553] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.412707][ T8545] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.442148][ T8550] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.456081][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.466326][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.474740][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.482843][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.492455][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.502859][ T8553] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.536499][ T8547] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.553284][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.567620][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.576620][ T2734] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.583737][ T2734] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.593481][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.602439][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.611350][ T2734] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.618427][ T2734] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.626814][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.636147][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.646398][ T2734] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.653525][ T2734] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.672493][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.685971][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.696030][ T2734] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.703210][ T2734] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.718560][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.765100][ T8545] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 74.781240][ T8545] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.808208][ T8550] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.836758][ T8543] device veth0_vlan entered promiscuous mode [ 74.855724][ T8543] device veth1_vlan entered promiscuous mode [ 179.599228][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 179.606050][ C0] rcu: 0-...!: (1 GPs behind) idle=7ee/1/0x4000000000000002 softirq=13445/13447 fqs=37 [ 179.616097][ C0] (t=10501 jiffies g=7153 q=371) [ 179.621118][ C0] rcu: rcu_preempt kthread starved for 10424 jiffies! g7153 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 179.632207][ C0] rcu: RCU grace-period kthread stack dump: [ 179.638563][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 179.646473][ C0] Call Trace: [ 179.649771][ C0] __schedule+0x9a0/0xcc0 [ 179.654226][ C0] schedule+0x181/0x210 [ 179.658397][ C0] schedule_timeout+0x14f/0x240 [ 179.663254][ C0] ? run_local_timers+0x120/0x120 [ 179.668287][ C0] rcu_gp_kthread+0xed8/0x1770 [ 179.673054][ C0] kthread+0x332/0x350 [ 179.677130][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 179.682241][ C0] ? kthread_blkcg+0xe0/0xe0 [ 179.686827][ C0] ret_from_fork+0x24/0x30 [ 179.691251][ C0] NMI backtrace for cpu 0 [ 179.695576][ C0] CPU: 0 PID: 389 Comm: kworker/u4:5 Not tainted 5.5.0-rc5-syzkaller #0 [ 179.703889][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.714033][ C0] Workqueue: 0x0 (gid-cache-wq) [ 179.718959][ C0] Call Trace: [ 179.722236][ C0] [ 179.725080][ C0] dump_stack+0x1fb/0x318 [ 179.729403][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 179.734242][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 179.740387][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 179.746445][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 179.752417][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 179.758300][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 179.763417][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 179.768611][ C0] ? trace_hardirqs_off+0x74/0x80 [ 179.773626][ C0] update_process_times+0x12d/0x180 [ 179.778821][ C0] tick_sched_timer+0x263/0x420 [ 179.783666][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 179.789212][ C0] __hrtimer_run_queues+0x403/0x840 [ 179.794418][ C0] hrtimer_interrupt+0x38c/0xda0 [ 179.799367][ C0] ? debug_smp_processor_id+0x9/0x20 [ 179.804646][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 179.810182][ C0] apic_timer_interrupt+0xf/0x20 [ 179.815103][ C0] [ 179.818032][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 179.824085][ C0] Code: e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 f4 ed 07 48 89 de e8 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 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 [ 179.843675][ C0] RSP: 0018:ffffc90001e37bf8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 179.852077][ C0] RAX: ffffffff814896c6 RBX: ffffea00028ecb40 RCX: ffff8880a84aa080 [ 179.860301][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00028ecb40 [ 179.868264][ C0] RBP: ffffc90001e37c20 R08: 000000000003a728 R09: ffffed101174aad9 [ 179.876225][ C0] R10: ffffed101174aad9 R11: 0000000000000000 R12: ffff8880a037f720 [ 179.884185][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88808ba556b8 [ 179.892157][ C0] ? mod_memcg_page_state+0x16/0x190 [ 179.897438][ C0] ? free_thread_stack+0x124/0x590 [ 179.902535][ C0] ? mod_memcg_page_state+0x16/0x190 [ 179.907807][ C0] free_thread_stack+0x168/0x590 [ 179.912736][ C0] put_task_stack+0xa3/0x130 [ 179.917320][ C0] finish_task_switch+0x3f1/0x550 [ 179.922339][ C0] __schedule+0x9a8/0xcc0 [ 179.926668][ C0] schedule+0x181/0x210 [ 179.930815][ C0] worker_thread+0x10d6/0x1630 [ 179.935589][ C0] kthread+0x332/0x350 [ 179.939644][ C0] ? rcu_lock_release+0x30/0x30 [ 179.944483][ C0] ? kthread_blkcg+0xe0/0xe0 [ 179.949063][ C0] ret_from_fork+0x24/0x30