Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 30.133826][ T26] audit: type=1400 audit(1601587803.680:8): avc: denied { execmem } for pid=6727 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 30.137971][ T6728] IPVS: ftp: loaded support on port[0] = 21 [ 30.189087][ T6641] tipc: TX() has been purged, node left! [ 30.520968][ T6705] can: request_module (can-proto-0) failed. [ 31.023679][ T6705] can: request_module (can-proto-0) failed. [ 31.032016][ T6705] can: request_module (can-proto-0) failed. [ 31.052483][ T26] audit: type=1400 audit(1601587804.601:9): avc: denied { create } for pid=6705 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 '10.128.0.172' (ECDSA) to the list of known hosts. 2020/10/01 21:30:10 parsed 1 programs 2020/10/01 21:30:11 executed programs: 0 [ 38.149564][ T26] audit: type=1400 audit(1601587811.706:10): avc: denied { execmem } for pid=6848 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 38.188393][ T6850] IPVS: ftp: loaded support on port[0] = 21 [ 38.191169][ T6857] IPVS: ftp: loaded support on port[0] = 21 [ 38.196984][ T6851] IPVS: ftp: loaded support on port[0] = 21 [ 38.202932][ T6855] IPVS: ftp: loaded support on port[0] = 21 [ 38.215253][ T6859] IPVS: ftp: loaded support on port[0] = 21 [ 38.223100][ T6858] IPVS: ftp: loaded support on port[0] = 21 [ 38.328098][ T6857] chnl_net:caif_netlink_parms(): no params data found [ 38.340182][ T6859] chnl_net:caif_netlink_parms(): no params data found [ 38.355042][ T6850] chnl_net:caif_netlink_parms(): no params data found [ 38.375139][ T6855] chnl_net:caif_netlink_parms(): no params data found [ 38.390090][ T6859] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.400024][ T6859] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.408596][ T6859] device bridge_slave_0 entered promiscuous mode [ 38.417014][ T6859] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.424391][ T6859] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.431747][ T6859] device bridge_slave_1 entered promiscuous mode [ 38.444527][ T6851] chnl_net:caif_netlink_parms(): no params data found [ 38.454663][ T6857] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.461743][ T6857] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.474608][ T6857] device bridge_slave_0 entered promiscuous mode [ 38.482494][ T6857] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.489501][ T6857] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.497672][ T6857] device bridge_slave_1 entered promiscuous mode [ 38.511790][ T6855] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.519436][ T6855] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.527602][ T6855] device bridge_slave_0 entered promiscuous mode [ 38.535377][ T6855] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.542623][ T6855] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.549917][ T6855] device bridge_slave_1 entered promiscuous mode [ 38.561458][ T6855] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.576191][ T6855] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.588395][ T6857] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.606625][ T6850] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.614576][ T6850] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.622612][ T6850] device bridge_slave_0 entered promiscuous mode [ 38.629696][ T6859] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.639782][ T6859] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.651570][ T6851] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.660775][ T6851] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.668856][ T6851] device bridge_slave_0 entered promiscuous mode [ 38.676066][ T6851] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.683196][ T6851] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.690503][ T6851] device bridge_slave_1 entered promiscuous mode [ 38.697748][ T6857] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.708205][ T6850] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.715745][ T6850] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.723588][ T6850] device bridge_slave_1 entered promiscuous mode [ 38.736461][ T6855] team0: Port device team_slave_0 added [ 38.747923][ T6855] team0: Port device team_slave_1 added [ 38.758228][ T6857] team0: Port device team_slave_0 added [ 38.765828][ T6857] team0: Port device team_slave_1 added [ 38.772912][ T6850] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.784883][ T6850] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.799029][ T6851] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.809500][ T6859] team0: Port device team_slave_0 added [ 38.816091][ T6859] team0: Port device team_slave_1 added [ 38.827793][ T6858] chnl_net:caif_netlink_parms(): no params data found [ 38.841068][ T6850] team0: Port device team_slave_0 added [ 38.847529][ T6851] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.860833][ T6851] team0: Port device team_slave_0 added [ 38.868730][ T6851] team0: Port device team_slave_1 added [ 38.876119][ T6857] device hsr_slave_0 entered promiscuous mode [ 38.882967][ T6857] device hsr_slave_1 entered promiscuous mode [ 38.894731][ T6850] team0: Port device team_slave_1 added [ 38.906081][ T6858] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.914056][ T6858] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.921338][ T6858] device bridge_slave_0 entered promiscuous mode [ 38.929776][ T6858] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.937781][ T6858] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.945603][ T6858] device bridge_slave_1 entered promiscuous mode [ 38.953489][ T6855] device hsr_slave_0 entered promiscuous mode [ 38.959765][ T6855] device hsr_slave_1 entered promiscuous mode [ 38.966528][ T6855] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 38.974369][ T6855] Cannot create hsr debugfs directory [ 38.989455][ T6851] device hsr_slave_0 entered promiscuous mode [ 38.995882][ T6851] device hsr_slave_1 entered promiscuous mode [ 39.002951][ T6851] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 39.010484][ T6851] Cannot create hsr debugfs directory [ 39.017498][ T6859] device hsr_slave_0 entered promiscuous mode [ 39.024413][ T6859] device hsr_slave_1 entered promiscuous mode [ 39.030617][ T6859] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 39.038214][ T6859] Cannot create hsr debugfs directory [ 39.049752][ T6850] device hsr_slave_0 entered promiscuous mode [ 39.060816][ T6850] device hsr_slave_1 entered promiscuous mode [ 39.067691][ T6850] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 39.075798][ T6850] Cannot create hsr debugfs directory [ 39.083734][ T6858] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.104497][ T6858] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.118374][ T6855] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 39.127206][ T6855] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 39.134849][ T6855] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 39.146519][ T6858] team0: Port device team_slave_0 added [ 39.160574][ T6857] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.170274][ T6855] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 39.178541][ T6858] team0: Port device team_slave_1 added [ 39.185619][ T6851] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 39.195995][ T6851] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 39.204346][ T6857] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.214905][ T6855] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.221997][ T6855] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.229665][ T6855] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.236711][ T6855] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.247326][ T6851] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 39.256676][ T6851] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 39.265253][ T6857] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.276090][ T6857] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.299418][ T6851] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.306482][ T6851] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.313744][ T6851] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.320746][ T6851] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.340607][ T6850] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 39.349895][ T6850] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 39.359346][ T6859] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 39.368153][ T6859] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 39.377407][ T7410] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.387178][ T7410] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.395479][ T7410] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.405029][ T7410] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.416600][ T6858] device hsr_slave_0 entered promiscuous mode [ 39.426025][ T6858] device hsr_slave_1 entered promiscuous mode [ 39.432512][ T6858] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 39.440030][ T6858] Cannot create hsr debugfs directory [ 39.452676][ T6850] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 39.460239][ T6859] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 39.472634][ T6850] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 39.480334][ T6859] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 39.491047][ T6855] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.503932][ T6857] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.527426][ T6858] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 39.535366][ T6858] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 39.544584][ T6858] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 39.556441][ T7410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.564471][ T7410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.573571][ T6855] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.584742][ T6851] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.592939][ T6857] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.599620][ T6858] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 39.612305][ T6752] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.619816][ T6752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.627823][ T6752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.637158][ T6752] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.645843][ T6752] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.652900][ T6752] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.660350][ T6752] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.669281][ T6752] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.677456][ T6752] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.684510][ T6752] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.694938][ T6851] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.710261][ T6850] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.720841][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 39.729167][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 39.737686][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.745335][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.752752][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 39.760819][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.768835][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.777201][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.785431][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.792591][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.799901][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.808242][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.816399][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.823454][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.830777][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 39.838977][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 39.847189][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 39.855462][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.863584][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 39.872035][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.882659][ T6857] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 39.893994][ T6857] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 39.909043][ T6850] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.916566][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.924320][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.933358][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.940840][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 39.949111][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.957340][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.965692][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.974124][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.982175][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.990217][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.998299][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.006303][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.013896][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.023143][ T6855] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.035047][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.048039][ T6859] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.058314][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.067505][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.078806][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.085937][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.093647][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.102094][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.110254][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.117313][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.124872][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.133255][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.141443][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.148474][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.155906][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.164143][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.172405][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 40.180529][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.188901][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.196520][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.209728][ T6850] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 40.223200][ T6850] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 40.237100][ T6855] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.244839][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 40.254306][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.265370][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.273951][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.281512][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.288823][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.297270][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.305967][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.314263][ T2533] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.321316][ T2533] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.334010][ T6857] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.343952][ T6859] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.356833][ T6850] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.363931][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.372009][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.379409][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.387300][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.395674][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.404002][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.411670][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.418989][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 40.427467][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.435597][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 40.443826][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.452042][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.459370][ T2533] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.473755][ T6851] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 40.485526][ T6851] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 40.532595][ T6859] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 40.567152][ T6859] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 40.594240][ T6859] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 145.618637][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 145.625593][ C0] (detected by 0, t=10502 jiffies, g=3945, q=575) [ 145.632072][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10498 (4294951789-4294941291), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 145.645406][ C0] rcu: rcu_preempt kthread starved for 10498 jiffies! g3945 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 145.656491][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 145.666440][ C0] rcu: RCU grace-period kthread stack dump: [ 145.672309][ C0] task:rcu_preempt state:R running task stack:14272 pid: 10 ppid: 2 flags:0x00004000 [ 145.683170][ C0] Call Trace: [ 145.686450][ C0] __schedule+0x404/0x8a0 [ 145.690882][ C0] ? lockdep_hardirqs_on+0x58/0x110 [ 145.696061][ C0] schedule+0x3b/0xf0 [ 145.700019][ C0] schedule_timeout+0x1ae/0x2d0 [ 145.704843][ C0] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 145.710628][ C0] ? __next_timer_interrupt+0x100/0x100 [ 145.716154][ C0] rcu_gp_kthread+0x702/0xc70 [ 145.720808][ C0] ? __kthread_parkme+0x1b/0xb0 [ 145.725635][ C0] ? note_gp_changes+0xd0/0xd0 [ 145.730371][ C0] kthread+0x160/0x180 [ 145.734414][ C0] ? kthread_mod_delayed_work+0xc0/0xc0 [ 145.739939][ C0] ret_from_fork+0x1f/0x30