Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 48.236017][ T27] audit: type=1400 audit(1585616842.166:9): avc: denied { execmem } for pid=7102 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 48.251131][ T7103] IPVS: ftp: loaded support on port[0] = 21 [ 48.612149][ T21] tipc: TX() has been purged, node left! [ 49.008040][ T7080] can: request_module (can-proto-0) failed. [ 51.745041][ T7080] can: request_module (can-proto-0) failed. [ 51.756142][ T7080] can: request_module (can-proto-0) failed. [ 51.797954][ T27] audit: type=1400 audit(1585616845.727:10): avc: denied { create } for pid=7080 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 '10.128.10.46' (ECDSA) to the list of known hosts. 2020/03/31 01:07:33 parsed 1 programs 2020/03/31 01:07:34 executed programs: 0 [ 60.101584][ T27] audit: type=1400 audit(1585616854.029:11): avc: denied { execmem } for pid=7221 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 60.165687][ T7223] IPVS: ftp: loaded support on port[0] = 21 [ 60.235471][ T7224] IPVS: ftp: loaded support on port[0] = 21 [ 60.258854][ T7226] IPVS: ftp: loaded support on port[0] = 21 [ 60.307760][ T7236] IPVS: ftp: loaded support on port[0] = 21 [ 60.307844][ T7246] IPVS: ftp: loaded support on port[0] = 21 [ 60.365848][ T7255] IPVS: ftp: loaded support on port[0] = 21 [ 60.481770][ T7223] chnl_net:caif_netlink_parms(): no params data found [ 60.575829][ T7226] chnl_net:caif_netlink_parms(): no params data found [ 60.708428][ T7246] chnl_net:caif_netlink_parms(): no params data found [ 60.721297][ T7223] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.732563][ T7223] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.742185][ T7223] device bridge_slave_0 entered promiscuous mode [ 60.751234][ T7224] chnl_net:caif_netlink_parms(): no params data found [ 60.784476][ T7223] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.793057][ T7223] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.802040][ T7223] device bridge_slave_1 entered promiscuous mode [ 60.851981][ T7246] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.860730][ T7246] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.870058][ T7246] device bridge_slave_0 entered promiscuous mode [ 60.893325][ T7223] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.906429][ T7224] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.915116][ T7224] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.923488][ T7224] device bridge_slave_0 entered promiscuous mode [ 60.931847][ T7246] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.941907][ T7246] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.950503][ T7246] device bridge_slave_1 entered promiscuous mode [ 60.984734][ T7223] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.998059][ T7224] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.006582][ T7224] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.014924][ T7224] device bridge_slave_1 entered promiscuous mode [ 61.031632][ T7226] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.042280][ T7226] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.050938][ T7226] device bridge_slave_0 entered promiscuous mode [ 61.061897][ T7226] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.069104][ T7226] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.076775][ T7226] device bridge_slave_1 entered promiscuous mode [ 61.143240][ T7236] chnl_net:caif_netlink_parms(): no params data found [ 61.154780][ T7224] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.166366][ T7224] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.178235][ T7246] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.191910][ T7246] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.216108][ T7223] team0: Port device team_slave_0 added [ 61.224249][ T7226] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.257453][ T7223] team0: Port device team_slave_1 added [ 61.275629][ T7226] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.300987][ T7246] team0: Port device team_slave_0 added [ 61.311918][ T7246] team0: Port device team_slave_1 added [ 61.337552][ T7226] team0: Port device team_slave_0 added [ 61.355103][ T7224] team0: Port device team_slave_0 added [ 61.366131][ T7255] chnl_net:caif_netlink_parms(): no params data found [ 61.380763][ T7226] team0: Port device team_slave_1 added [ 61.411611][ T7224] team0: Port device team_slave_1 added [ 61.472019][ T7223] device hsr_slave_0 entered promiscuous mode [ 61.499758][ T7223] device hsr_slave_1 entered promiscuous mode [ 61.551895][ T7236] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.559234][ T7236] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.566887][ T7236] device bridge_slave_0 entered promiscuous mode [ 61.652145][ T7246] device hsr_slave_0 entered promiscuous mode [ 61.719316][ T7246] device hsr_slave_1 entered promiscuous mode [ 61.758813][ T7246] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.766699][ T7246] Cannot create hsr debugfs directory [ 61.778266][ T7236] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.785800][ T7236] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.793823][ T7236] device bridge_slave_1 entered promiscuous mode [ 61.812456][ T7255] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.820713][ T7255] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.828670][ T7255] device bridge_slave_0 entered promiscuous mode [ 61.891495][ T7226] device hsr_slave_0 entered promiscuous mode [ 61.949058][ T7226] device hsr_slave_1 entered promiscuous mode [ 62.008609][ T7226] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.016236][ T7226] Cannot create hsr debugfs directory [ 62.051757][ T7255] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.059965][ T7255] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.067587][ T7255] device bridge_slave_1 entered promiscuous mode [ 62.130953][ T7224] device hsr_slave_0 entered promiscuous mode [ 62.158812][ T7224] device hsr_slave_1 entered promiscuous mode [ 62.218511][ T7224] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.226118][ T7224] Cannot create hsr debugfs directory [ 62.234806][ T7236] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.260325][ T7255] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.271582][ T7236] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.312636][ T7255] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.322719][ T7223] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.375772][ T7236] team0: Port device team_slave_0 added [ 62.389829][ T7236] team0: Port device team_slave_1 added [ 62.413074][ T7223] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.443612][ T7223] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.490646][ T7223] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.512893][ T7255] team0: Port device team_slave_0 added [ 62.520138][ T7246] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.577792][ T7246] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.646648][ T7255] team0: Port device team_slave_1 added [ 62.667180][ T7246] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.741666][ T7236] device hsr_slave_0 entered promiscuous mode [ 62.788883][ T7236] device hsr_slave_1 entered promiscuous mode [ 62.828820][ T7236] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.837063][ T7236] Cannot create hsr debugfs directory [ 62.853901][ T7246] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.960824][ T7255] device hsr_slave_0 entered promiscuous mode [ 62.978698][ T7255] device hsr_slave_1 entered promiscuous mode [ 63.038511][ T7255] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.046866][ T7255] Cannot create hsr debugfs directory [ 63.067445][ T7226] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 63.106255][ T7226] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 63.184365][ T7226] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 63.232513][ T7226] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 63.355700][ T7224] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.393885][ T7224] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.443068][ T7236] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.501128][ T7236] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.584351][ T7224] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.644229][ T7236] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 63.691182][ T7236] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 63.768996][ T7224] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.851821][ T7255] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 63.893643][ T7255] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 63.950768][ T7255] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 63.991588][ T7255] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.057557][ T7223] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.122032][ T7246] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.155221][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.166989][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.201901][ T7226] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.220236][ T7129] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.227964][ T7129] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.238825][ T7223] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.265245][ T7226] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.296944][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.305162][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.322253][ T7246] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.336643][ T7255] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.353223][ T7224] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.363968][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.373978][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.386384][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.393624][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.403620][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.412867][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.421693][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.428832][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.436911][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.445767][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.467598][ T7255] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.481371][ T7236] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.493354][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.504544][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.514451][ T3209] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.521602][ T3209] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.529377][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.537838][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.546460][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.554780][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.564210][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.573478][ T3209] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.580762][ T3209] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.610170][ T7129] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.622740][ T7129] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.633007][ T7129] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.647065][ T7129] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.656063][ T7129] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.668854][ T7129] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.677434][ T7129] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.686761][ T7129] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.693908][ T7129] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.701613][ T7129] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.710388][ T7129] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.719006][ T7129] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.726072][ T7129] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.733701][ T7129] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.742669][ T7129] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.751244][ T7129] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.758859][ T7129] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.767007][ T7129] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.775495][ T7129] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.783733][ T7129] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.804682][ T7224] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.829325][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.837516][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.846806][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.854820][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.863022][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.872168][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.881786][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.890828][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.899673][ T3207] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.906716][ T3207] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.914848][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.923874][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.932890][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.941800][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.950410][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.960221][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.970523][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.978979][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.986988][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.995200][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.004464][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.013564][ T3207] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.022276][ T3207] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.032529][ T7236] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.058108][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.067043][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.076275][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.085359][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.094806][ T3209] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.102085][ T3209] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.110415][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.119139][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.127470][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.136148][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.145705][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.154172][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.163254][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.191673][ T7226] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.202909][ T7226] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.230128][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.239871][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.248940][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.257496][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.266767][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.275795][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.284829][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.293866][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.302703][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.309849][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.317536][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.326518][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.335121][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.342293][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.351499][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.360968][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.371300][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.380283][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.395530][ T7255] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.408276][ T7255] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.433141][ T7223] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.444312][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.455082][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.462944][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.471567][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.480831][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.490524][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.499225][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.507669][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.541315][ T7255] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.588493][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.596133][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.618444][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.626878][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.635197][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.643221][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.652580][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.664115][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.678388][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.712995][ T7236] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.723424][ T7236] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.793311][ T7236] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.937422][ C0] hrtimer: interrupt took 133578 ns [ 170.905725][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.912544][ C1] rcu: 1-...!: (1 GPs behind) idle=ad2/1/0x4000000000000002 softirq=10247/10248 fqs=3 [ 170.922521][ C1] (t=10501 jiffies g=8305 q=335) [ 170.927715][ C1] rcu: rcu_preempt kthread starved for 10496 jiffies! g8305 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 170.938802][ C1] rcu: RCU grace-period kthread stack dump: [ 170.944683][ C1] rcu_preempt R running task 29096 10 2 0x80004000 [ 170.952603][ C1] Call Trace: [ 170.955986][ C1] __schedule+0x8ae/0x19c0 [ 170.960423][ C1] ? __sched_text_start+0x8/0x8 [ 170.965260][ C1] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 170.971064][ C1] ? lockdep_hardirqs_on+0x481/0x620 [ 170.976341][ C1] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 170.982166][ C1] schedule+0xc3/0x2b0 [ 170.986237][ C1] schedule_timeout+0x2bd/0x710 [ 170.991074][ C1] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 170.997059][ C1] ? usleep_range+0x130/0x130 [ 171.001751][ C1] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 171.007569][ C1] ? prepare_to_swait_event+0x130/0x390 [ 171.013118][ C1] ? __next_timer_interrupt+0x100/0x100 [ 171.018872][ C1] rcu_gp_kthread+0x9da/0x1a40 [ 171.023660][ C1] ? do_raw_spin_lock+0x132/0x2e0 [ 171.028693][ C1] ? rcu_barrier+0x4c0/0x4c0 [ 171.033287][ C1] ? __kthread_parkme+0x37/0x1c0 [ 171.038218][ C1] ? __kthread_parkme+0xb8/0x1c0 [ 171.043160][ C1] ? schedule+0xe3/0x2b0 [ 171.047415][ C1] kthread+0x354/0x420 [ 171.051634][ C1] ? rcu_barrier+0x4c0/0x4c0 [ 171.056223][ C1] ? kthread_mod_delayed_work+0x190/0x190 [ 171.061938][ C1] ret_from_fork+0x24/0x30 [ 171.066377][ C1] NMI backtrace for cpu 1 [ 171.070701][ C1] CPU: 1 PID: 8158 Comm: syz-executor.1 Not tainted 5.6.0-syzkaller #0 [ 171.079375][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.089422][ C1] Call Trace: [ 171.092706][ C1] [ 171.096189][ C1] dump_stack+0x12d/0x187 [ 171.100522][ C1] nmi_cpu_backtrace.cold.7+0x4b/0x84 [ 171.105884][ C1] ? _raw_spin_lock_irqsave+0x74/0xd0 [ 171.111257][ C1] ? lapic_can_unplug_cpu.cold.29+0x3f/0x3f [ 171.117144][ C1] nmi_trigger_cpumask_backtrace+0x18b/0x1b7 [ 171.123299][ C1] arch_trigger_cpumask_backtrace+0x14/0x20 [ 171.129208][ C1] rcu_dump_cpu_stacks+0x1a1/0x1ee [ 171.134325][ C1] rcu_sched_clock_irq.cold.87+0x3c7/0xc50 [ 171.140219][ C1] ? raise_softirq+0x141/0x330 [ 171.145160][ C1] update_process_times+0x23/0x50 [ 171.150198][ C1] tick_sched_handle+0x77/0x140 [ 171.155057][ C1] tick_sched_timer+0x43/0x100 [ 171.159829][ C1] __hrtimer_run_queues+0x36d/0xc30 [ 171.165029][ C1] ? tick_sched_do_timer+0x140/0x140 [ 171.170313][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 171.176287][ C1] ? ktime_get_update_offsets_now+0x140/0x360 [ 171.182386][ C1] hrtimer_interrupt+0x2df/0x760 [ 171.187349][ C1] smp_apic_timer_interrupt+0x163/0x5f0 [ 171.192917][ C1] apic_timer_interrupt+0xf/0x20 [ 171.197940][ C1] [ 171.200886][ C1] RIP: 0010:__might_fault+0xa/0x1b0 [ 171.206250][ C1] Code: 00 74 0c 48 89 c7 48 89 f8 0f 1f 40 00 c9 c3 0f 0b 48 89 45 f8 e8 a6 72 0e 00 48 8b 45 f8 eb d9 48 b8 00 00 00 00 00 fc ff df <55> 48 89 e5 41 54 49 89 fc 53 65 48 8b 1c 25 00 1f 02 00 48 8d bb [ 171.225855][ C1] RSP: 0000:ffffc9000725fd38 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 [ 171.234555][ C1] RAX: dffffc0000000000 RBX: 0000000000000030 RCX: 0000000000000003 [ 171.242542][ C1] RDX: 0000000000000030 RSI: 000000000000001a RDI: ffffffff87ec6320 [ 171.250656][ C1] RBP: ffffc9000725fd60 R08: 0000000000000000 R09: 00007fe8f322e4b8 [ 171.258806][ C1] R10: fffffbfff141bf45 R11: ffffffff8a0dfa2f R12: 00007fe8f322e5f0 [ 171.266776][ C1] R13: ffffc9000725fe58 R14: ffffc9000725ff58 R15: ffff88808c91a480 [ 171.275148][ C1] ? _copy_to_user+0x25/0xf0 [ 171.279955][ C1] copy_siginfo_to_user+0x13/0x40 [ 171.285071][ C1] do_signal+0x9cf/0x1710 [ 171.289394][ C1] ? force_sig_fault+0xad/0xe0 [ 171.294370][ C1] ? force_sig_fault_to_task+0xe0/0xe0 [ 171.299936][ C1] ? setup_sigcontext+0x7d0/0x7d0 [ 171.307709][ C1] ? trace_hardirqs_on+0x28/0x1a0 [ 171.312841][ C1] ? exit_to_usermode_loop+0x3a/0x2e0 [ 171.318307][ C1] ? trace_hardirqs_on+0x28/0x1a0 [ 171.323333][ C1] exit_to_usermode_loop+0x114/0x2e0 [ 171.328616][ C1] prepare_exit_to_usermode+0x244/0x2f0 [ 171.334154][ C1] ret_from_intr+0x26/0x36 [ 171.338996][ C1] RIP: 0033:0x4057e9 [ 171.342883][ C1] Code: d0 ff ff ff 01 48 8b 7c 24 28 c7 44 24 34 00 00 00 00 e8 4a d3 01 00 85 c0 75 23 48 6b 44 24 20 18 8b 7c 24 1c 48 03 44 24 38 <48> 8b 48 10 48 8b 50 08 48 8b 30 e8 e7 ee 00 00 89 44 24 34 64 f0 [ 171.362490][ C1] RSP: 002b:00007fe8f322ea70 EFLAGS: 00010202 [ 171.368558][ C1] RAX: 000000002442c108 RBX: 0000000000000007 RCX: 0000000000414717 [ 171.376701][ C1] RDX: f287260892e57253 RSI: 0000000000000000 RDI: 0000000000000004 [ 171.384748][ C1] RBP: 000000000075bf20 R08: 00007fe8f322ea70 R09: 000000000075bf20 [ 171.392811][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 00007fe8f322f6d4 [ 171.401160][ C1] R13: 00000000004cae58 R14: 00000000004e4478 R15: 00000000ffffffff