syzkaller login: [ 24.454673][ C1] random: crng init done [ 24.458934][ C1] random: 7 urandom warning(s) missed due to ratelimiting [ 31.380643][ T6704] ld (6704) used greatest stack depth: 11104 bytes left [ 31.602017][ T27] audit: type=1400 audit(1595731120.663:8): avc: denied { execmem } for pid=6712 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 31.605471][ T6713] IPVS: ftp: loaded support on port[0] = 21 [ 31.871276][ T437] tipc: TX() has been purged, node left! [ 31.998206][ T6694] can: request_module (can-proto-0) failed. [ 32.872314][ T6694] can: request_module (can-proto-0) failed. [ 32.879912][ T6694] can: request_module (can-proto-0) failed. [ 32.897705][ T27] audit: type=1400 audit(1595731121.954:9): avc: denied { create } for pid=6690 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 '10.128.10.31' (ECDSA) to the list of known hosts. 2020/07/26 02:38:48 parsed 1 programs 2020/07/26 02:38:49 executed programs: 0 [ 39.976752][ T27] audit: type=1400 audit(1595731129.026:10): avc: denied { execmem } for pid=6831 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 40.029533][ T27] audit: type=1400 audit(1595731129.086:11): avc: denied { execmem } for pid=6833 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 40.040604][ T6832] IPVS: ftp: loaded support on port[0] = 21 [ 40.054907][ T6834] IPVS: ftp: loaded support on port[0] = 21 [ 40.124938][ T6881] IPVS: ftp: loaded support on port[0] = 21 [ 40.136436][ T6834] chnl_net:caif_netlink_parms(): no params data found [ 40.161788][ T6834] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.170710][ T6834] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.177897][ T6834] device bridge_slave_0 entered promiscuous mode [ 40.185870][ T6834] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.193223][ T6834] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.200976][ T6834] device bridge_slave_1 entered promiscuous mode [ 40.211132][ T6999] IPVS: ftp: loaded support on port[0] = 21 [ 40.214908][ T6832] chnl_net:caif_netlink_parms(): no params data found [ 40.236446][ T6832] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.244139][ T6832] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.251657][ T6832] device bridge_slave_0 entered promiscuous mode [ 40.259935][ T6909] IPVS: ftp: loaded support on port[0] = 21 [ 40.260585][ T6834] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.284501][ T6832] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.292245][ T6832] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.299750][ T6832] device bridge_slave_1 entered promiscuous mode [ 40.309979][ T7000] IPVS: ftp: loaded support on port[0] = 21 [ 40.321325][ T6834] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.342564][ T6832] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.358615][ T6999] chnl_net:caif_netlink_parms(): no params data found [ 40.373699][ T6834] team0: Port device team_slave_0 added [ 40.380227][ T6834] team0: Port device team_slave_1 added [ 40.387935][ T6832] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.410257][ T7000] chnl_net:caif_netlink_parms(): no params data found [ 40.478676][ T6834] device hsr_slave_0 entered promiscuous mode [ 40.538095][ T6834] device hsr_slave_1 entered promiscuous mode [ 40.589154][ T6881] chnl_net:caif_netlink_parms(): no params data found [ 40.603631][ T6832] team0: Port device team_slave_0 added [ 40.611166][ T6832] team0: Port device team_slave_1 added [ 40.618330][ T6999] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.625397][ T6999] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.633532][ T6999] device bridge_slave_0 entered promiscuous mode [ 40.652182][ T6881] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.660002][ T6881] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.667306][ T6881] device bridge_slave_0 entered promiscuous mode [ 40.677432][ T6999] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.685189][ T6999] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.693699][ T6999] device bridge_slave_1 entered promiscuous mode [ 40.706665][ T7000] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.714709][ T7000] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.722264][ T7000] device bridge_slave_0 entered promiscuous mode [ 40.779109][ T6832] device hsr_slave_0 entered promiscuous mode [ 40.837971][ T6832] device hsr_slave_1 entered promiscuous mode [ 40.907863][ T6832] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 40.915500][ T6832] Cannot create hsr debugfs directory [ 40.921308][ T6881] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.928596][ T6881] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.935802][ T6881] device bridge_slave_1 entered promiscuous mode [ 40.946285][ T6881] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.956903][ T6881] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.966947][ T6999] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.977787][ T7000] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.984856][ T7000] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.992345][ T7000] device bridge_slave_1 entered promiscuous mode [ 41.002086][ T6834] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 41.069774][ T6834] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 41.119140][ T6999] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.131588][ T6999] team0: Port device team_slave_0 added [ 41.142318][ T7000] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.152826][ T6834] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 41.188957][ T6834] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 41.250172][ T6999] team0: Port device team_slave_1 added [ 41.257904][ T7000] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.269165][ T6881] team0: Port device team_slave_0 added [ 41.328304][ T6999] device hsr_slave_0 entered promiscuous mode [ 41.347826][ T6999] device hsr_slave_1 entered promiscuous mode [ 41.387772][ T6999] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.395424][ T6999] Cannot create hsr debugfs directory [ 41.405341][ T6832] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 41.478671][ T6832] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 41.528827][ T6881] team0: Port device team_slave_1 added [ 41.546357][ T7000] team0: Port device team_slave_0 added [ 41.552558][ T6832] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 41.628365][ T6881] device hsr_slave_0 entered promiscuous mode [ 41.667924][ T6881] device hsr_slave_1 entered promiscuous mode [ 41.707669][ T6881] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.715208][ T6881] Cannot create hsr debugfs directory [ 41.725946][ T6999] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 41.768457][ T6999] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 41.819619][ T7000] team0: Port device team_slave_1 added [ 41.825485][ T6832] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 41.874842][ T6881] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 41.918544][ T6999] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 42.008132][ T7000] device hsr_slave_0 entered promiscuous mode [ 42.027770][ T7000] device hsr_slave_1 entered promiscuous mode [ 42.067994][ T7000] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 42.075591][ T7000] Cannot create hsr debugfs directory [ 42.081496][ T6909] chnl_net:caif_netlink_parms(): no params data found [ 42.089155][ T6881] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 42.130547][ T6881] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 42.168636][ T6881] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 42.208080][ T6999] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 42.254424][ T6909] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.262237][ T6909] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.270034][ T6909] device bridge_slave_0 entered promiscuous mode [ 42.290360][ T7000] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 42.340389][ T6834] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.349036][ T6909] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.356047][ T6909] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.364192][ T6909] device bridge_slave_1 entered promiscuous mode [ 42.371680][ T7000] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 42.418452][ T7000] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 42.480851][ T7000] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 42.547819][ T6909] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 42.559169][ T6834] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.571366][ T6881] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.581279][ T6909] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 42.590972][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.599414][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.611071][ T6999] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.621634][ T6832] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.631791][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.640489][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.648838][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.655882][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.663982][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.672821][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.680926][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.687969][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.695288][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.703598][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.711775][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.719198][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.730164][ T6834] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 42.742806][ T6834] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 42.756428][ T6909] team0: Port device team_slave_0 added [ 42.763604][ T6881] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.771026][ T2495] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.779352][ T2495] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.787590][ T2495] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.795543][ T2495] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.803806][ T2495] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.812222][ T2495] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.820215][ T2495] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.828333][ T2495] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.836218][ T2495] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.844479][ T2495] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.852130][ T2495] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.860056][ T2495] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.867699][ T2495] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.876176][ T6832] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.885124][ T6909] team0: Port device team_slave_1 added [ 42.891671][ T6999] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.902016][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.909699][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.917064][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.925583][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.933977][ T2598] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.941012][ T2598] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.948553][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.956775][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.965205][ T2598] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.972281][ T2598] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.979762][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.988046][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.996088][ T2598] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.003132][ T2598] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.010488][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.018170][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.067938][ T6909] device hsr_slave_0 entered promiscuous mode [ 43.098322][ T6909] device hsr_slave_1 entered promiscuous mode [ 43.137315][ T6909] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 43.144881][ T6909] Cannot create hsr debugfs directory [ 43.156407][ T6909] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.201235][ T6834] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.214822][ T6832] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 43.232062][ T6832] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 43.245016][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.254297][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.262713][ T2598] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.269769][ T2598] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.278351][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.288443][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.296561][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.306060][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.314514][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.323089][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.331292][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.339502][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.351105][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.359869][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.370199][ T2598] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.377276][ T2598] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.385169][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.395195][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.402995][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.413818][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.422627][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.433564][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.442077][ T2598] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.449179][ T2598] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.459177][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.467534][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.475682][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.486575][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.494979][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.505368][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.513990][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.524636][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.532907][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.543152][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.551910][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.563438][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.571604][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.581419][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.591170][ T6881] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 43.609922][ T6881] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.617134][ T6909] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.177103][ C1] sched: RT throttling activated 2020/07/26 02:38:54 executed programs: 6 [ 47.178350][ T6909] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.210082][ T6999] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 47.221055][ T6999] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 47.246738][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.254782][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.180131][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.187517][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.194836][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.203543][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.211718][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.220041][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.231003][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.239059][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready 2020/07/26 02:39:00 executed programs: 9 [ 51.185954][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.194122][ T2598] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.203126][ T6909] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.262167][ T6909] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.275258][ T6909] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.295221][ T6909] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 51.308608][ T6909] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 51.329623][ T6909] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 156.363439][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 156.370417][ C1] (detected by 1, t=10502 jiffies, g=3789, q=336) [ 156.376892][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294952879-4294942376), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 156.390222][ C1] rcu: rcu_preempt kthread starved for 10504 jiffies! g3789 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 156.401313][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 156.411274][ C1] rcu: RCU grace-period kthread stack dump: [ 156.417137][ C1] rcu_preempt R running task 14280 10 2 0x00004000 [ 156.425003][ C1] Call Trace: [ 156.428272][ C1] __schedule+0x3fc/0x870 [ 156.432576][ C1] schedule+0x3b/0xf0 [ 156.436544][ C1] schedule_timeout+0x175/0x310 [ 156.441364][ C1] ? _raw_spin_unlock_irqrestore+0x5f/0x80 [ 156.447143][ C1] ? __next_timer_interrupt+0xd0/0xd0 [ 156.452489][ C1] rcu_gp_kthread+0x702/0xc70 [ 156.457142][ C1] ? __kthread_parkme+0x1b/0xb0 [ 156.461965][ C1] ? rcu_nocb_unlock_irqrestore.isra.56+0x50/0x50 [ 156.468349][ C1] kthread+0x160/0x180 [ 156.472397][ C1] ? kthread_mod_delayed_work+0xc0/0xc0 [ 156.477916][ C1] ret_from_fork+0x1f/0x30