[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 49.325493][ T27] audit: type=1800 audit(1578462017.570:25): pid=8532 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 49.345219][ T27] audit: type=1800 audit(1578462017.570:26): pid=8532 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 49.399311][ T27] audit: type=1800 audit(1578462017.580:27): pid=8532 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 '10.128.0.93' (ECDSA) to the list of known hosts. 2020/01/08 05:40:29 fuzzer started 2020/01/08 05:40:31 dialing manager at 10.128.0.26:35703 2020/01/08 05:40:32 syscalls: 2824 2020/01/08 05:40:32 code coverage: enabled 2020/01/08 05:40:32 comparison tracing: enabled 2020/01/08 05:40:32 extra coverage: enabled 2020/01/08 05:40:32 setuid sandbox: enabled 2020/01/08 05:40:32 namespace sandbox: enabled 2020/01/08 05:40:32 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:40:32 fault injection: enabled 2020/01/08 05:40:32 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:40:32 net packet injection: enabled 2020/01/08 05:40:32 net device setup: enabled 2020/01/08 05:40:32 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:40:32 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:40:33 executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000011fd4)={0x10, 0x4, 0x4, 0x1, 0x0, 0x1}, 0x3c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000500), &(0x7f0000000040), 0x1}, 0x20) 05:40:33 executing program 1: syz_open_dev$usbfs(&(0x7f0000000180)='/dev/bus/usb/00#/00#\x00', 0x201, 0x0) r0 = syz_open_dev$swradio(0x0, 0x1, 0x2) ioctl$USBDEVFS_SUBMITURB(r0, 0x802c550a, &(0x7f00000000c0)=@urb_type_control={0x2, {0x10}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syzkaller login: [ 64.982432][ T8699] IPVS: ftp: loaded support on port[0] = 21 [ 65.109717][ T8699] chnl_net:caif_netlink_parms(): no params data found [ 65.189783][ T8699] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.204888][ T8699] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.225765][ T8699] device bridge_slave_0 entered promiscuous mode 05:40:33 executing program 2: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x2, 0x0) ioctl$FUSE_DEV_IOC_CLONE(r0, 0x8004e500, &(0x7f00000000c0)=r0) [ 65.246331][ T8699] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.253515][ T8699] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.274901][ T8699] device bridge_slave_1 entered promiscuous mode [ 65.299507][ T8702] IPVS: ftp: loaded support on port[0] = 21 [ 65.323794][ T8699] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.349479][ T8699] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.393661][ T8699] team0: Port device team_slave_0 added [ 65.402213][ T8699] team0: Port device team_slave_1 added 05:40:33 executing program 3: syslog(0x3, &(0x7f0000001380), 0x0) [ 65.538284][ T8699] device hsr_slave_0 entered promiscuous mode [ 65.615180][ T8699] device hsr_slave_1 entered promiscuous mode [ 65.680498][ T8704] IPVS: ftp: loaded support on port[0] = 21 [ 65.719982][ T8706] IPVS: ftp: loaded support on port[0] = 21 05:40:34 executing program 4: r0 = open(&(0x7f00000001c0)='./file0\x00', 0x4008140, 0x0) fcntl$setlease(r0, 0x400, 0x0) fcntl$setlease(r0, 0x400, 0x1) [ 65.870379][ T8702] chnl_net:caif_netlink_parms(): no params data found [ 65.981321][ T8709] IPVS: ftp: loaded support on port[0] = 21 [ 65.987757][ T8699] netdevsim netdevsim0 netdevsim0: renamed from eth0 05:40:34 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$sock_ifreq(r2, 0x89f2, &(0x7f00000000c0)={'\x00', @ifru_names='bond_slave_1\x00'}) [ 66.063184][ T8702] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.074393][ T8702] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.082457][ T8702] device bridge_slave_0 entered promiscuous mode [ 66.122055][ T8699] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.193164][ T8699] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.255959][ T8702] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.263073][ T8702] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.271149][ T8702] device bridge_slave_1 entered promiscuous mode [ 66.296106][ T8699] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.401637][ T8702] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.415892][ T8704] chnl_net:caif_netlink_parms(): no params data found [ 66.430816][ T8713] IPVS: ftp: loaded support on port[0] = 21 [ 66.449177][ T8702] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.522329][ T8709] chnl_net:caif_netlink_parms(): no params data found [ 66.548992][ T8702] team0: Port device team_slave_0 added [ 66.560664][ T8706] chnl_net:caif_netlink_parms(): no params data found [ 66.595734][ T8702] team0: Port device team_slave_1 added [ 66.601588][ T8704] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.609584][ T8704] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.617450][ T8704] device bridge_slave_0 entered promiscuous mode [ 66.657858][ T8704] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.668383][ T8704] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.676192][ T8704] device bridge_slave_1 entered promiscuous mode [ 66.699567][ T8704] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.729989][ T8709] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.737584][ T8709] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.747006][ T8709] device bridge_slave_0 entered promiscuous mode [ 66.759581][ T8709] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.766788][ T8709] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.774832][ T8709] device bridge_slave_1 entered promiscuous mode [ 66.816155][ T8702] device hsr_slave_0 entered promiscuous mode [ 66.864355][ T8702] device hsr_slave_1 entered promiscuous mode [ 66.904113][ T8702] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.911914][ T8702] Cannot create hsr debugfs directory [ 66.918683][ T8704] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.940893][ T8706] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.949384][ T8706] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.957259][ T8706] device bridge_slave_0 entered promiscuous mode [ 66.982586][ T8704] team0: Port device team_slave_0 added [ 66.999288][ T8706] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.007065][ T8706] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.015203][ T8706] device bridge_slave_1 entered promiscuous mode [ 67.030705][ T8704] team0: Port device team_slave_1 added [ 67.054820][ T8709] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.068259][ T8709] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.101811][ T8706] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.133237][ T8706] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.226728][ T8704] device hsr_slave_0 entered promiscuous mode [ 67.284335][ T8704] device hsr_slave_1 entered promiscuous mode [ 67.323936][ T8704] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.331532][ T8704] Cannot create hsr debugfs directory [ 67.350797][ T8709] team0: Port device team_slave_0 added [ 67.365565][ T8699] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.386177][ T8713] chnl_net:caif_netlink_parms(): no params data found [ 67.402584][ T8709] team0: Port device team_slave_1 added [ 67.436428][ T8706] team0: Port device team_slave_0 added [ 67.477332][ T8709] device hsr_slave_0 entered promiscuous mode [ 67.524392][ T8709] device hsr_slave_1 entered promiscuous mode [ 67.564029][ T8709] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.571670][ T8709] Cannot create hsr debugfs directory [ 67.588592][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.596900][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.617735][ T8702] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.686886][ T8706] team0: Port device team_slave_1 added [ 67.692681][ T8702] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.755024][ T8699] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.770451][ T8702] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.821040][ T8702] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.933615][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.944827][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.953290][ T2674] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.960581][ T2674] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.017095][ T8706] device hsr_slave_0 entered promiscuous mode [ 68.084302][ T8706] device hsr_slave_1 entered promiscuous mode [ 68.124046][ T8706] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.131631][ T8706] Cannot create hsr debugfs directory [ 68.137597][ T8713] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.144770][ T8713] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.152461][ T8713] device bridge_slave_0 entered promiscuous mode [ 68.162456][ T8713] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.169547][ T8713] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.178038][ T8713] device bridge_slave_1 entered promiscuous mode [ 68.194183][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.203707][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.212348][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.220795][ T2674] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.227888][ T2674] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.286470][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.297138][ T8713] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.328284][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.341668][ T8713] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.357386][ T8704] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.428728][ T8710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.437849][ T8710] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.457697][ T8704] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.516809][ T8704] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.571065][ T8710] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.578910][ T8710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.587716][ T8710] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.606933][ T8713] team0: Port device team_slave_0 added [ 68.617340][ T8713] team0: Port device team_slave_1 added [ 68.628307][ T8704] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.701093][ T8709] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.746491][ T8709] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.797626][ T8709] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.856943][ T8709] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.956433][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.964996][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.973489][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.982169][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.058347][ T8713] device hsr_slave_0 entered promiscuous mode [ 69.094892][ T8713] device hsr_slave_1 entered promiscuous mode [ 69.134195][ T8713] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.141796][ T8713] Cannot create hsr debugfs directory [ 69.162413][ T8706] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.207143][ T8706] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.279762][ T8706] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.336795][ T8699] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.372156][ T8706] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.437017][ T8710] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.444971][ T8710] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.471529][ T8702] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.483400][ T8699] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.536480][ T8702] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.558317][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.567383][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.575897][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.585099][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.593643][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.602586][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.611182][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.618270][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.626718][ T8713] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.704469][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.715558][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.728782][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.738022][ T2675] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.745179][ T2675] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.754037][ T8713] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.809597][ T8713] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.883286][ T8709] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.897599][ T8699] device veth0_vlan entered promiscuous mode [ 69.909312][ T8713] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.970363][ T8709] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.980388][ T8710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.989120][ T8710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.997973][ T8710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.006896][ T8710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.015037][ T8710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.022705][ T8710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.032296][ T8710] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.040230][ T8710] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.087062][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.096130][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.105281][ T2675] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.113064][ T2675] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.121248][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.130167][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.140740][ T8704] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.151148][ T8699] device veth1_vlan entered promiscuous mode [ 70.165392][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.177341][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.187455][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.196223][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.204990][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.213326][ T2773] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.220413][ T2773] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.228491][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.237459][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.254874][ T8710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.263418][ T8710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.284148][ T8702] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.295179][ T8702] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.311646][ T8706] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.326741][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.335393][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.343722][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.352273][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.360633][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.369271][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.399848][ T8704] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.417625][ T8706] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.433562][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.442036][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.449889][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.458242][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.465996][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.474843][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.483129][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.491091][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.499049][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.507879][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.516641][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.556071][ T8709] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.581785][ T8709] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.598857][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.611142][ T2773] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.628560][ T2773] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.635700][ T2773] bridge0: port 1(bridge_slave_0) entered forwarding state [ 175.613828][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 175.620911][ C0] (detected by 0, t=10502 jiffies, g=7381, q=111) [ 175.627406][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954665-4294944162), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 175.640751][ C0] kworker/0:3 R running task 26760 2773 2 0x80004008 [ 175.648744][ C0] Workqueue: events linkwatch_event [ 175.653929][ C0] Call Trace: [ 175.657202][ C0] [ 175.660045][ C0] sched_show_task+0x40f/0x560 [ 175.664803][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 175.670088][ C0] update_process_times+0x12d/0x180 [ 175.675280][ C0] tick_sched_timer+0x263/0x420 [ 175.680117][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.685670][ C0] __hrtimer_run_queues+0x403/0x840 [ 175.690875][ C0] hrtimer_interrupt+0x38c/0xda0 [ 175.695821][ C0] ? debug_smp_processor_id+0x9/0x20 [ 175.701101][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 175.706637][ C0] apic_timer_interrupt+0xf/0x20 [ 175.711558][ C0] [ 175.714489][ C0] RIP: 0010:free_thread_stack+0x133/0x590 [ 175.720193][ C0] Code: 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 86 91 61 00 e9 5d 04 00 00 e8 3c 2c 2e 00 48 89 df 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 73 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 175.739787][ C0] RSP: 0018:ffffc9000836f820 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.748187][ C0] RAX: 0000000000000001 RBX: ffffea00024ef500 RCX: 0000000000000000 [ 175.756172][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00024ef500 [ 175.764140][ C0] RBP: ffffc9000836f858 R08: 000000000003a728 R09: ffffed10143996c9 [ 175.772100][ C0] R10: ffffed10143996c9 R11: 0000000000000000 R12: ffff8880a2c2ed20 [ 175.780059][ C0] R13: dffffc0000000000 R14: 1ffff11014585da4 R15: ffff8880a1ccb638 [ 175.788054][ C0] put_task_stack+0xa3/0x130 [ 175.792664][ C0] finish_task_switch+0x3f1/0x550 [ 175.797704][ C0] __schedule+0x9a8/0xcc0 [ 175.802043][ C0] ? ___preempt_schedule+0x16/0x18 [ 175.807151][ C0] preempt_schedule+0xdb/0x120 [ 175.811911][ C0] ? br_port_carrier_check+0x462/0x570 [ 175.817357][ C0] ___preempt_schedule+0x16/0x18 [ 175.822290][ C0] ? mark_lock+0x107/0x1650 [ 175.826787][ C0] __local_bh_enable_ip+0x17d/0x240 [ 175.831978][ C0] ? br_port_carrier_check+0x462/0x570 [ 175.837426][ C0] _raw_spin_unlock_bh+0x2f/0x40 [ 175.842495][ C0] br_port_carrier_check+0x462/0x570 [ 175.847818][ C0] br_device_event+0x449/0x860 [ 175.852607][ C0] raw_notifier_call_chain+0xec/0x190 [ 175.857996][ C0] netdev_state_change+0x147/0x1f0 [ 175.863115][ C0] linkwatch_do_dev+0x10e/0x160 [ 175.867966][ C0] __linkwatch_run_queue+0x446/0x730 [ 175.873251][ C0] linkwatch_event+0x4c/0x60 [ 175.877835][ C0] process_one_work+0x7ef/0x10d0 [ 175.882776][ C0] worker_thread+0xc01/0x1630 [ 175.887462][ C0] kthread+0x332/0x350 [ 175.891516][ C0] ? rcu_lock_release+0x30/0x30 [ 175.896358][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.900937][ C0] ret_from_fork+0x24/0x30 [ 175.905360][ C0] rcu: rcu_preempt kthread starved for 10531 jiffies! g7381 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 175.916444][ C0] rcu: RCU grace-period kthread stack dump: [ 175.922320][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 175.930211][ C0] Call Trace: [ 175.933497][ C0] __schedule+0x9a0/0xcc0 [ 175.937825][ C0] schedule+0x181/0x210 [ 175.941976][ C0] schedule_timeout+0x14f/0x240 [ 175.946819][ C0] ? run_local_timers+0x120/0x120 [ 175.951847][ C0] rcu_gp_kthread+0xed8/0x1770 [ 175.956610][ C0] kthread+0x332/0x350 [ 175.960666][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 175.965764][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.970344][ C0] ret_from_fork+0x24/0x30