Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 43.485609][ T27] audit: type=1400 audit(1586895283.087:8): avc: denied { execmem } for pid=6920 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 43.500160][ T6921] IPVS: ftp: loaded support on port[0] = 21 [ 43.823277][ T401] tipc: TX() has been purged, node left! [ 44.118426][ T6908] can: request_module (can-proto-0) failed. [ 46.974104][ T6908] can: request_module (can-proto-0) failed. [ 46.985892][ T6908] can: request_module (can-proto-0) failed. [ 47.025047][ T27] audit: type=1400 audit(1586895286.628:9): avc: denied { create } for pid=6897 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.10.57' (ECDSA) to the list of known hosts. 2020/04/14 20:14:53 parsed 1 programs 2020/04/14 20:14:54 executed programs: 0 [ 55.254310][ T27] audit: type=1400 audit(1586895294.860:10): avc: denied { execmem } for pid=7037 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 55.328330][ T7040] IPVS: ftp: loaded support on port[0] = 21 [ 55.364169][ T7042] IPVS: ftp: loaded support on port[0] = 21 [ 55.403013][ T7038] IPVS: ftp: loaded support on port[0] = 21 [ 55.563068][ T7098] IPVS: ftp: loaded support on port[0] = 21 [ 55.584570][ T7113] IPVS: ftp: loaded support on port[0] = 21 [ 55.599429][ T7040] chnl_net:caif_netlink_parms(): no params data found [ 55.622221][ T7097] IPVS: ftp: loaded support on port[0] = 21 [ 55.683357][ T7042] chnl_net:caif_netlink_parms(): no params data found [ 55.703842][ T7040] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.712360][ T7040] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.720440][ T7040] device bridge_slave_0 entered promiscuous mode [ 55.731963][ T7040] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.739052][ T7040] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.747059][ T7040] device bridge_slave_1 entered promiscuous mode [ 55.792273][ T7040] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.804427][ T7040] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.874282][ T7040] team0: Port device team_slave_0 added [ 55.890541][ T7042] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.897637][ T7042] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.905691][ T7042] device bridge_slave_0 entered promiscuous mode [ 55.915455][ T7042] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.922617][ T7042] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.930742][ T7042] device bridge_slave_1 entered promiscuous mode [ 55.944113][ T7040] team0: Port device team_slave_1 added [ 55.957018][ T7038] chnl_net:caif_netlink_parms(): no params data found [ 56.004198][ T7042] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.042353][ T7042] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.093946][ T7040] device hsr_slave_0 entered promiscuous mode [ 56.130795][ T7040] device hsr_slave_1 entered promiscuous mode [ 56.207692][ T7038] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.223580][ T7038] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.231933][ T7038] device bridge_slave_0 entered promiscuous mode [ 56.248057][ T7038] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.262694][ T7038] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.272007][ T7038] device bridge_slave_1 entered promiscuous mode [ 56.298132][ T7042] team0: Port device team_slave_0 added [ 56.337999][ T7042] team0: Port device team_slave_1 added [ 56.346426][ T7038] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.384738][ T7038] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.394258][ T7098] chnl_net:caif_netlink_parms(): no params data found [ 56.493045][ T7042] device hsr_slave_0 entered promiscuous mode [ 56.541418][ T7042] device hsr_slave_1 entered promiscuous mode [ 56.580208][ T7042] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.588052][ T7042] Cannot create hsr debugfs directory [ 56.626407][ T7038] team0: Port device team_slave_0 added [ 56.696019][ T7038] team0: Port device team_slave_1 added [ 56.714401][ T7040] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.757965][ T7040] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.823967][ T7040] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.874888][ T7040] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 56.917033][ T7097] chnl_net:caif_netlink_parms(): no params data found [ 56.928777][ T7113] chnl_net:caif_netlink_parms(): no params data found [ 56.953373][ T7038] device hsr_slave_0 entered promiscuous mode [ 57.010494][ T7038] device hsr_slave_1 entered promiscuous mode [ 57.050029][ T7038] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.059105][ T7038] Cannot create hsr debugfs directory [ 57.076270][ T7098] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.084567][ T7098] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.093096][ T7098] device bridge_slave_0 entered promiscuous mode [ 57.102011][ T7098] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.109182][ T7098] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.117664][ T7098] device bridge_slave_1 entered promiscuous mode [ 57.180160][ T7042] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 57.232251][ T7097] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.239316][ T7097] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.249225][ T7097] device bridge_slave_0 entered promiscuous mode [ 57.262017][ T7042] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 57.296817][ T7042] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 57.366751][ T7098] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.379270][ T7098] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.393262][ T7097] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.400552][ T7097] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.408244][ T7097] device bridge_slave_1 entered promiscuous mode [ 57.424111][ T7113] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.433695][ T7113] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.442184][ T7113] device bridge_slave_0 entered promiscuous mode [ 57.457230][ T7042] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 57.508557][ T7113] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.516823][ T7113] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.525582][ T7113] device bridge_slave_1 entered promiscuous mode [ 57.548097][ T7098] team0: Port device team_slave_0 added [ 57.562959][ T7097] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.579303][ T7097] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.598827][ T7038] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.653077][ T7098] team0: Port device team_slave_1 added [ 57.659162][ T7038] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.706937][ T7038] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.777307][ T7113] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.804618][ T7038] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 57.844903][ T7113] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.864777][ T7097] team0: Port device team_slave_0 added [ 57.882468][ T7097] team0: Port device team_slave_1 added [ 57.953336][ T7098] device hsr_slave_0 entered promiscuous mode [ 58.000460][ T7098] device hsr_slave_1 entered promiscuous mode [ 58.059903][ T7098] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.067679][ T7098] Cannot create hsr debugfs directory [ 58.093580][ T7113] team0: Port device team_slave_0 added [ 58.152351][ T7097] device hsr_slave_0 entered promiscuous mode [ 58.170069][ T7097] device hsr_slave_1 entered promiscuous mode [ 58.219877][ T7097] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.227732][ T7097] Cannot create hsr debugfs directory [ 58.240882][ T7113] team0: Port device team_slave_1 added [ 58.343065][ T7113] device hsr_slave_0 entered promiscuous mode [ 58.380121][ T7113] device hsr_slave_1 entered promiscuous mode [ 58.419796][ T7113] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.427382][ T7113] Cannot create hsr debugfs directory [ 58.450431][ T7098] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 58.503340][ T7098] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 58.562136][ T7040] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.576707][ T7098] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 58.638110][ T7098] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 58.686263][ T7042] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.705174][ T7040] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.737801][ T7038] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.752031][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.762502][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.772601][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.782808][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.792257][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.799706][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.808531][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.819134][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.831143][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.855292][ T7042] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.868699][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.877750][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.888886][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.896115][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.925209][ T7038] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.932756][ T7097] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.970369][ T7097] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.013910][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.023375][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.032660][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.040992][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.048770][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.058507][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.067353][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.076437][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.085189][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.092315][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.100128][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.108740][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.137598][ T7097] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.172274][ T7097] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.233813][ T7040] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.249040][ T7040] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.264056][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.272961][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.282661][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.292179][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.301266][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.308310][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.316756][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.326413][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.335234][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.342386][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.350799][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.359898][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.368566][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.377170][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.385796][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.394672][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.403097][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.410246][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.418087][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.428573][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.436612][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.445764][ T7113] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.471815][ T7113] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.512037][ T7113] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.591333][ T7113] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.634391][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.647006][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.656660][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.666842][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.676032][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.687244][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.696345][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.705450][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.714656][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.724658][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.733995][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.743105][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.751861][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.761060][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.768646][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.776731][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.786157][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.801115][ T7038] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.821427][ T7042] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.832499][ T7042] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.846445][ T7040] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.859275][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.867716][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.876740][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.886540][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.898204][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.907492][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.918667][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.011933][ T7098] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.026668][ T2664] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.035142][ T2664] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.051199][ T2664] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.058731][ T2664] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.059348][ C0] hrtimer: interrupt took 43222 ns [ 60.083271][ T7038] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.111549][ T7098] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.128994][ T7097] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.151010][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.158932][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.184035][ T7042] 8021q: adding VLAN 0 to HW filter on device batadv0 2020/04/14 20:14:59 executed programs: 9 [ 60.227503][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.266072][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.317229][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.324428][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.370333][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.398947][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.434595][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.442151][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.496650][ T7097] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.518966][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.544039][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.563063][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.598826][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.608971][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.625575][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.634945][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.644077][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.652298][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.662606][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.671339][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.680244][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.702256][ T7113] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.715422][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.733278][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.742519][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.750202][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.758588][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.772299][ T7098] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.788330][ T7098] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.805175][ T7113] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.829108][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.857999][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.867050][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.877717][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.895031][ T2826] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.902308][ T2826] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.912778][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.921521][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.960304][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.970400][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.979073][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.992319][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.002146][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.010319][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.019030][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.040180][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.048531][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.058459][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.067239][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.074444][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.100985][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.108992][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.117925][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.127019][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.136262][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.146073][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.155685][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.164766][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.174061][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.191876][ T7098] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.224004][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.235416][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.252898][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.261988][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.271074][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.280344][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.289691][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.298801][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.307584][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.317069][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.331860][ T7097] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.343845][ T7113] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.358704][ T7113] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.367677][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.377306][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.420508][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.428193][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.468953][ T7097] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.482374][ T7113] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.501467][ T2664] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.520960][ T2664] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready 2020/04/14 20:15:04 executed programs: 196 2020/04/14 20:15:09 executed programs: 465 [ 179.157284][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 179.164358][ C1] (detected by 1, t=10502 jiffies, g=10249, q=295) [ 179.171161][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294954969-4294944467), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 179.184515][ C1] syz-executor.1 R running task 26824 9554 7097 0x00004000 [ 179.192562][ C1] Call Trace: [ 179.195846][ C1] [ 179.198717][ C1] sched_show_task.cold.100+0x2ee/0x35d [ 179.204249][ C1] ? can_nice.part.87+0x20/0x20 [ 179.209191][ C1] ? trace_hardirqs_off+0x41/0x1a0 [ 179.214303][ C1] rcu_sched_clock_irq.cold.87+0xaa3/0xc50 [ 179.220112][ C1] update_process_times+0x23/0x50 [ 179.225284][ C1] tick_sched_handle+0x77/0x140 [ 179.230137][ C1] tick_sched_timer+0x43/0x100 [ 179.235692][ C1] __hrtimer_run_queues+0x524/0xc00 [ 179.240899][ C1] ? tick_sched_do_timer+0x140/0x140 [ 179.246179][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 179.252243][ C1] ? ktime_get_update_offsets_now+0x140/0x360 [ 179.258306][ C1] hrtimer_interrupt+0x2df/0x760 [ 179.263261][ C1] smp_apic_timer_interrupt+0x163/0x5f0 [ 179.268886][ C1] apic_timer_interrupt+0xf/0x20 [ 179.273807][ C1] [ 179.276738][ C1] RIP: 0010:kmem_cache_alloc_trace+0x1d/0x780 [ 179.282791][ C1] Code: 0b 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 89 f6 41 55 49 89 fd 41 54 53 48 83 ec 48 8b 1d c3 a1 39 08 <48> 89 55 d0 21 f3 89 df 41 89 df e8 e3 16 f8 ff 89 df e8 fc 16 f8 [ 179.302564][ C1] RSP: 0018:ffffc900050df790 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 179.310964][ C1] RAX: fffffbfff118e891 RBX: 0000000000ffffff RCX: ffffffff874ef6a3 [ 179.318932][ C1] RDX: 0000000000000020 RSI: 0000000000000cc0 RDI: ffff8880aa4001c0 [ 179.326892][ C1] RBP: ffffc900050df800 R08: ffffed1012ab6059 R09: ffffed1012ab6059 [ 179.334937][ C1] R10: ffff8880955b02c7 R11: ffffed1012ab6058 R12: ffff8880a84e9d00 [ 179.343074][ C1] R13: ffff8880aa4001c0 R14: 0000000000000cc0 R15: 1ffff1101509d3d6 [ 179.351045][ C1] ? schedule+0xe3/0x2b0 [ 179.355282][ C1] ? __kasan_check_read+0x11/0x20 [ 179.360298][ C1] tty_open+0x154/0xa00 [ 179.364596][ C1] ? tty_init_dev+0x3c0/0x3c0 [ 179.369294][ C1] ? do_raw_spin_unlock+0x177/0x260 [ 179.374782][ C1] chrdev_open+0x1ed/0x5c0 [ 179.379210][ C1] ? retint_kernel+0x2b/0x2b [ 179.383803][ C1] ? cdev_put.part.0+0x50/0x50 [ 179.388568][ C1] ? security_file_open+0x1b8/0x3a0 [ 179.393756][ C1] do_dentry_open+0x40f/0x1140 [ 179.398510][ C1] ? __kasan_check_read+0x11/0x20 [ 179.403521][ C1] ? cdev_put.part.0+0x50/0x50 [ 179.408269][ C1] ? chown_common+0x4b0/0x4b0 [ 179.412935][ C1] ? inode_permission+0xbe/0x3b0 [ 179.417876][ C1] vfs_open+0x9a/0xc0 [ 179.421859][ C1] path_openat+0xdf7/0x2560 [ 179.426351][ C1] ? entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 179.432420][ C1] ? path_lookupat.isra.39+0x440/0x440 [ 179.437878][ C1] ? mark_held_locks+0x130/0x130 [ 179.442892][ C1] ? find_held_lock+0x36/0x1d0 [ 179.447647][ C1] do_filp_open+0x171/0x240 [ 179.452227][ C1] ? may_open_dev+0xc0/0xc0 [ 179.456719][ C1] ? do_raw_spin_unlock+0x177/0x260 [ 179.461992][ C1] ? _raw_spin_unlock+0x27/0x40 [ 179.466828][ C1] ? __alloc_fd+0x189/0x520 [ 179.471323][ C1] ? strncpy_from_user+0x82/0x350 [ 179.476357][ C1] do_sys_openat2+0x309/0x590 [ 179.481034][ C1] ? retint_kernel+0x2b/0x2b [ 179.485639][ C1] ? file_open_root+0x220/0x220 [ 179.490526][ C1] do_sys_open+0x90/0xe0 [ 179.494767][ C1] ? filp_open+0x50/0x50 [ 179.499015][ C1] ? do_syscall_64+0x21/0x630 [ 179.503688][ C1] ? lockdep_hardirqs_on+0x481/0x620 [ 179.508960][ C1] ? do_syscall_64+0x21/0x630 [ 179.513633][ C1] __x64_sys_openat+0x98/0xf0 [ 179.518329][ C1] do_syscall_64+0xca/0x630 [ 179.522991][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 179.528883][ C1] RIP: 0033:0x45a909 [ 179.532772][ C1] 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 [ 179.552463][ C1] RSP: 002b:00007fb4379a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 179.560869][ C1] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045a909 [ 179.568832][ C1] RDX: 0000000000000000 RSI: 0000000020000380 RDI: ffffffffffffff9c [ 179.576800][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 179.584851][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb4379a86d4 [ 179.592823][ C1] R13: 00000000004c8678 R14: 00000000004dfa28 R15: 00000000ffffffff [ 179.600808][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g10249 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 179.611977][ C1] rcu: RCU grace-period kthread stack dump: [ 179.617865][ C1] rcu_preempt R running task 29096 10 2 0x80004000 [ 179.625773][ C1] Call Trace: [ 179.629053][ C1] __schedule+0x8ae/0x19c0 [ 179.633664][ C1] ? __sched_text_start+0x8/0x8 [ 179.638496][ C1] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 179.644288][ C1] ? lockdep_hardirqs_on+0x481/0x620 [ 179.649560][ C1] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 179.655355][ C1] schedule+0xc3/0x2b0 [ 179.659430][ C1] schedule_timeout+0x2bd/0x710 [ 179.664266][ C1] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 179.670060][ C1] ? usleep_range+0x130/0x130 [ 179.674731][ C1] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 179.680616][ C1] ? prepare_to_swait_event+0x130/0x390 [ 179.686161][ C1] ? __next_timer_interrupt+0x100/0x100 [ 179.691745][ C1] rcu_gp_kthread+0x9da/0x1a40 [ 179.696512][ C1] ? do_raw_spin_lock+0x132/0x2e0 [ 179.701548][ C1] ? rcu_barrier+0x4c0/0x4c0 [ 179.706230][ C1] ? __kthread_parkme+0x37/0x1c0 [ 179.711156][ C1] ? __kthread_parkme+0xb8/0x1c0 [ 179.716083][ C1] ? schedule+0xe3/0x2b0 [ 179.720334][ C1] kthread+0x354/0x420 [ 179.724398][ C1] ? rcu_barrier+0x4c0/0x4c0 [ 179.728973][ C1] ? kthread_mod_delayed_work+0x190/0x190 [ 179.734774][ C1] ret_from_fork+0x24/0x30