Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 42.794378][ T27] audit: type=1400 audit(1592480777.821:8): avc: denied { execmem } for pid=6868 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 42.805770][ T6869] IPVS: ftp: loaded support on port[0] = 21 [ 43.097617][ T21] tipc: TX() has been purged, node left! [ 43.468530][ T6850] can: request_module (can-proto-0) failed. [ 44.549422][ T6850] can: request_module (can-proto-0) failed. [ 44.560610][ T6850] can: request_module (can-proto-0) failed. [ 44.598691][ T27] audit: type=1400 audit(1592480779.632:9): avc: denied { create } for pid=6847 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 '10.128.15.197' (ECDSA) to the list of known hosts. 2020/06/18 11:46:26 parsed 1 programs 2020/06/18 11:46:27 executed programs: 0 [ 52.827755][ T27] audit: type=1400 audit(1592480787.863:10): avc: denied { execmem } for pid=6986 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 52.881115][ T6988] IPVS: ftp: loaded support on port[0] = 21 [ 52.914033][ T6990] IPVS: ftp: loaded support on port[0] = 21 [ 52.944345][ T6996] IPVS: ftp: loaded support on port[0] = 21 [ 52.964031][ T7007] IPVS: ftp: loaded support on port[0] = 21 [ 52.966446][ T6992] IPVS: ftp: loaded support on port[0] = 21 [ 52.994121][ T6994] IPVS: ftp: loaded support on port[0] = 21 [ 53.154860][ T6988] chnl_net:caif_netlink_parms(): no params data found [ 53.290950][ T6990] chnl_net:caif_netlink_parms(): no params data found [ 53.383955][ T6988] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.398803][ T6988] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.409849][ T6988] device bridge_slave_0 entered promiscuous mode [ 53.421675][ T6988] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.430832][ T6988] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.439095][ T6988] device bridge_slave_1 entered promiscuous mode [ 53.451373][ T7007] chnl_net:caif_netlink_parms(): no params data found [ 53.482231][ T6994] chnl_net:caif_netlink_parms(): no params data found [ 53.529001][ T6996] chnl_net:caif_netlink_parms(): no params data found [ 53.545124][ T6990] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.553478][ T6990] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.563266][ T6990] device bridge_slave_0 entered promiscuous mode [ 53.574872][ T6990] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.582496][ T6990] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.590893][ T6990] device bridge_slave_1 entered promiscuous mode [ 53.618307][ T6988] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.633170][ T6988] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.657337][ T6990] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.676767][ T6992] chnl_net:caif_netlink_parms(): no params data found [ 53.713549][ T6990] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.738120][ T7007] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.745208][ T7007] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.754015][ T7007] device bridge_slave_0 entered promiscuous mode [ 53.780514][ T6994] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.788183][ T6994] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.796312][ T6994] device bridge_slave_0 entered promiscuous mode [ 53.805856][ T6988] team0: Port device team_slave_0 added [ 53.812070][ T6996] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.820268][ T6996] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.829126][ T6996] device bridge_slave_0 entered promiscuous mode [ 53.841159][ T6996] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.850020][ T6996] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.858108][ T6996] device bridge_slave_1 entered promiscuous mode [ 53.865084][ T7007] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.872520][ T7007] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.880758][ T7007] device bridge_slave_1 entered promiscuous mode [ 53.895177][ T6994] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.905814][ T6994] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.913780][ T6994] device bridge_slave_1 entered promiscuous mode [ 53.923354][ T6988] team0: Port device team_slave_1 added [ 53.946220][ T6990] team0: Port device team_slave_0 added [ 53.962903][ T7007] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.975019][ T6992] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.984455][ T6992] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.993008][ T6992] device bridge_slave_0 entered promiscuous mode [ 54.002287][ T6990] team0: Port device team_slave_1 added [ 54.059003][ T6990] device hsr_slave_0 entered promiscuous mode [ 54.115663][ T6990] device hsr_slave_1 entered promiscuous mode [ 54.178184][ T6994] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.188875][ T6996] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.199459][ T7007] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.209445][ T6992] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.217474][ T6992] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.225909][ T6992] device bridge_slave_1 entered promiscuous mode [ 54.244040][ T6994] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.263828][ T6996] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.327586][ T6988] device hsr_slave_0 entered promiscuous mode [ 54.375786][ T6988] device hsr_slave_1 entered promiscuous mode [ 54.415437][ T6988] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 54.423305][ T6988] Cannot create hsr debugfs directory [ 54.449673][ T6992] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.483354][ T7007] team0: Port device team_slave_0 added [ 54.493585][ T6994] team0: Port device team_slave_0 added [ 54.501548][ T6996] team0: Port device team_slave_0 added [ 54.510935][ T6996] team0: Port device team_slave_1 added [ 54.523769][ T6992] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.535985][ T7007] team0: Port device team_slave_1 added [ 54.542598][ T6994] team0: Port device team_slave_1 added [ 54.618292][ T7007] device hsr_slave_0 entered promiscuous mode [ 54.685854][ T7007] device hsr_slave_1 entered promiscuous mode [ 54.725290][ T7007] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 54.732877][ T7007] Cannot create hsr debugfs directory [ 54.739851][ T6990] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.801291][ T6990] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.873961][ T6990] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.950831][ T6992] team0: Port device team_slave_0 added [ 54.957055][ T6990] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.067981][ T6996] device hsr_slave_0 entered promiscuous mode [ 55.116247][ T6996] device hsr_slave_1 entered promiscuous mode [ 55.155157][ T6996] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 55.162869][ T6996] Cannot create hsr debugfs directory [ 55.216605][ T6994] device hsr_slave_0 entered promiscuous mode [ 55.275264][ T6994] device hsr_slave_1 entered promiscuous mode [ 55.315037][ T6994] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 55.322731][ T6994] Cannot create hsr debugfs directory [ 55.330494][ T6992] team0: Port device team_slave_1 added [ 55.363909][ T6988] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 55.417430][ T6988] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 55.503343][ T6988] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 55.555006][ T6988] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 55.617165][ T7007] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 55.728421][ T6992] device hsr_slave_0 entered promiscuous mode [ 55.785265][ T6992] device hsr_slave_1 entered promiscuous mode [ 55.824964][ T6992] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 55.832835][ T6992] Cannot create hsr debugfs directory [ 55.859337][ T7007] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 55.906747][ T7007] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 55.968951][ T7007] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 56.033365][ T6996] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 56.096654][ T6996] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 56.159113][ T6996] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 56.217809][ T6990] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.230250][ T6996] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 56.271941][ T6994] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.299239][ T6994] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.361412][ T6994] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.447896][ T3371] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.456881][ T3371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.466332][ T6994] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.537482][ T6992] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 56.577050][ T6992] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 56.619221][ T6990] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.646282][ T6992] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 56.686874][ T6992] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 56.730580][ T6988] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.768003][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.780420][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.789759][ T2750] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.796971][ T2750] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.806423][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.815233][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.823434][ T2750] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.830542][ T2750] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.838220][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.854876][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.862669][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.872035][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.886582][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.913459][ T6990] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.924238][ T6990] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.936870][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.945212][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.954317][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.963613][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.974274][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.983522][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.991962][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.001857][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.022423][ T7007] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.044910][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.052738][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.063508][ T6988] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.082178][ T7007] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.104155][ T3371] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.112246][ T3371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.121688][ T3371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.130937][ T3371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.139677][ T3371] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.147086][ T3371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.156480][ T3371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.180527][ T6996] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.205700][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.216336][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.225729][ T2763] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.232786][ T2763] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.241491][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.251323][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.260064][ T2763] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.267207][ T2763] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.275305][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.283912][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.293089][ T2763] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.300219][ T2763] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.308190][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.317052][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.325951][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.336011][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.363415][ T6990] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.388673][ T6996] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.409140][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.422887][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.438716][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.448699][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.462227][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.473328][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.484693][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.493145][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.504394][ C1] hrtimer: interrupt took 43503 ns [ 57.510228][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.523349][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.534277][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.549232][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.559936][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.579861][ T6994] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.605236][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.613069][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.637897][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.650816][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.659684][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.672036][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.701217][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.721004][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.767653][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.783071][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.804750][ T3370] bridge0: port 1(bridge_slave_0) entered blocking state 2020/06/18 11:46:32 executed programs: 10 [ 57.811955][ T3370] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.826687][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.840820][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.852519][ T3370] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.859678][ T3370] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.872366][ T7007] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.903550][ T7007] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.921665][ T6988] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.955578][ T6994] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.963833][ T2582] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.980779][ T2582] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.991469][ T2582] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.011022][ T2582] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.028079][ T2582] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.041544][ T2582] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.052964][ T2582] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.061931][ T2582] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.070126][ T2582] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.093269][ T2582] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.112262][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.122644][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.139914][ T6996] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.155060][ T6996] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.172570][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.183488][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.192079][ T3370] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.199365][ T3370] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.207573][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.216680][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.225731][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.233206][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.241379][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.250382][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.260118][ T7007] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.292910][ T6988] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.305227][ T3371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.315183][ T3371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.322992][ T3371] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.341394][ T3371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.368963][ T3371] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.376107][ T3371] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.385786][ T3371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.395359][ T3371] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.404078][ T3371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.413144][ T3371] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.421856][ T3371] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.430009][ T3371] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.442202][ T3371] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.472354][ T6992] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.495824][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.507006][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.525587][ T6996] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.551985][ T6992] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.573035][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.582825][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.623978][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.633556][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.658283][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.673326][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.682381][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.700293][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.755663][ T6994] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.792659][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.802760][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.827641][ T2750] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.834805][ T2750] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.850024][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.869272][ T6994] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.881713][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.893939][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.901922][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.910995][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.919741][ T2763] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.926885][ T2763] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.934864][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.953400][ T6992] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.965149][ T6992] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.001448][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.010468][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.034005][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.055750][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.071189][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.091352][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.101477][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.116967][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.130838][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.142746][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.160062][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.192091][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.214436][ T3370] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.227760][ T6992] 8021q: adding VLAN 0 to HW filter on device batadv0 2020/06/18 11:46:37 executed programs: 203 [ 170.918132][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 170.925333][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): [ 170.925338][ C0] ------------[ cut here ]------------ [ 170.937850][ C0] IRQs not enabled as expected [ 170.943015][ C0] WARNING: CPU: 0 PID: 8798 at kernel/sched/core.c:2675 try_invoke_on_locked_down_task+0x2f3/0x3d0 [ 170.943017][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 170.943019][ C0] CPU: 0 PID: 8798 Comm: syz-executor.2 Not tainted 5.8.0-rc1-syzkaller #0 [ 170.943021][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.943022][ C0] Call Trace: [ 170.943023][ C0] [ 170.943025][ C0] dump_stack+0x134/0x187 [ 170.943026][ C0] ? try_invoke_on_locked_down_task+0x2f3/0x3d0 [ 170.943027][ C0] panic+0x22a/0x4e3 [ 170.943028][ C0] ? __warn_printk+0xd6/0xd6 [ 170.943030][ C0] ? try_invoke_on_locked_down_task+0x2f3/0x3d0 [ 170.943031][ C0] ? try_invoke_on_locked_down_task+0x2f3/0x3d0 [ 170.943032][ C0] __warn.cold.12+0x25/0x27 [ 170.943034][ C0] ? try_invoke_on_locked_down_task+0x2f3/0x3d0 [ 170.943035][ C0] report_bug+0x1b5/0x260 [ 170.943036][ C0] ? rcu_nmi_enter+0x116/0x210 [ 170.943038][ C0] exc_invalid_op+0x1be/0x370 [ 170.943039][ C0] asm_exc_invalid_op+0x12/0x20 [ 170.943041][ C0] RIP: 0010:try_invoke_on_locked_down_task+0x2f3/0x3d0 [ 170.943044][ C0] Code: ff d0 41 89 c7 e9 07 ff ff ff 80 3d 85 2b b1 08 00 0f 85 56 fe ff ff 48 c7 c7 00 6f ca 87 c6 05 71 2b b1 08 01 e8 6c 3a f5 ff <0f> 0b e9 3c fe ff ff 4c 89 85 60 ff ff ff 48 8b b5 68 ff ff ff 4c [ 170.943046][ C0] RSP: 0018:ffffc90000007bf0 EFLAGS: 00010082 [ 170.943048][ C0] RAX: 0000000000000000 RBX: 1ffff92000000f82 RCX: 0000000000000000 [ 170.943050][ C0] RDX: 0000000000010002 RSI: 0000000000000004 RDI: ffffffff8ae10220 [ 170.943052][ C0] RBP: ffffc90000007c98 R08: ffffed1015d441fa R09: ffffed1015d441fa [ 170.943053][ C0] R10: ffff8880aea20fcb R11: ffffed1015d441f9 R12: ffff8880a1d32000 [ 170.943055][ C0] R13: ffffc90000007c70 R14: ffff8880a94d0140 R15: dffffc0000000000 [ 170.943056][ C0] ? printk+0x9a/0xc0 [ 170.943058][ C0] ? rcu_accelerate_cbs_unlocked+0xf0/0xf0 [ 170.943059][ C0] ? cpus_share_cache+0x110/0x110 [ 170.943061][ C0] rcu_sched_clock_irq.cold.89+0x93f/0xd5e [ 170.943062][ C0] ? rcutree_dead_cpu+0x10/0x10 [ 170.943063][ C0] ? raise_softirq+0x141/0x330 [ 170.943065][ C0] update_process_times+0x23/0x50 [ 170.943066][ C0] tick_sched_handle.isra.18+0x6b/0x130 [ 170.943067][ C0] tick_sched_timer+0x48/0x100 [ 170.943068][ C0] ? tick_sched_do_timer+0x140/0x140 [ 170.943069][ C0] __hrtimer_run_queues+0x511/0xbf0 [ 170.943071][ C0] ? __kasan_check_write+0x14/0x20 [ 170.943073][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 170.943074][ C0] ? ktime_get_update_offsets_now+0x140/0x360 [ 170.943075][ C0] hrtimer_interrupt+0x2df/0x760 [ 170.943077][ C0] __sysvec_apic_timer_interrupt+0x14a/0x5d0 [ 170.943078][ C0] asm_call_on_stack+0xf/0x20 [ 170.943079][ C0] [ 170.943080][ C0] sysvec_apic_timer_interrupt+0x198/0x200 [ 170.943082][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 170.943083][ C0] RIP: 0010:kfree+0x237/0x2c0 [ 170.943087][ C0] Code: 5e 7e 0f 85 22 fe ff ff e8 65 62 5d ff e9 18 fe ff ff e8 dc 49 cd ff 48 83 3d 34 51 71 07 00 0f 84 83 00 00 00 48 89 df 57 9d <0f> 1f 44 00 00 5b 41 5c 41 5d 41 5e 5d c3 e8 b6 49 cd ff 48 83 3d [ 170.943088][ C0] RSP: 0018:ffffc9000212f848 EFLAGS: 00000286 [ 170.943091][ C0] RAX: 0000000000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 170.943093][ C0] RDX: 1ffff110143a6510 RSI: 0000000000000000 RDI: 0000000000000286 [ 170.943094][ C0] RBP: ffffc9000212f868 R08: 0000000000000000 R09: 0000000000000001 [ 170.943096][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888089aab580 [ 170.943098][ C0] R13: ffff8880aa4001c0 R14: ffffffff83a78f9a R15: 1ffff110129c6b76 [ 170.943099][ C0] ? tty_open+0x34a/0xa00 [ 170.943100][ C0] tty_open+0x34a/0xa00 [ 170.943101][ C0] ? tty_init_dev+0x3c0/0x3c0 [ 170.943103][ C0] ? do_raw_spin_unlock+0x177/0x260 [ 170.943104][ C0] chrdev_open+0x1ed/0x5c0 [ 170.943105][ C0] ? cdev_put.part.0+0x50/0x50 [ 170.943107][ C0] ? security_file_open+0x1b8/0x3a0 [ 170.943108][ C0] do_dentry_open+0x438/0x1020 [ 170.943109][ C0] ? security_inode_permission+0x73/0xb0 [ 170.943111][ C0] ? cdev_put.part.0+0x50/0x50 [ 170.943112][ C0] vfs_open+0x9a/0xc0 [ 170.943113][ C0] path_openat+0xe2a/0x2700 [ 170.943114][ C0] ? __lock_acquire+0x193d/0x4110 [ 170.943115][ C0] ? path_lookupat.isra.40+0x440/0x440 [ 170.943117][ C0] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 170.943118][ C0] ? find_held_lock+0x36/0x1d0 [ 170.943119][ C0] do_filp_open+0x171/0x240 [ 170.943121][ C0] ? lock_downgrade+0x960/0x960 [ 170.943122][ C0] ? may_open_dev+0xc0/0xc0 [ 170.943123][ C0] ? do_raw_spin_unlock+0x177/0x260 [ 170.943124][ C0] ? _raw_spin_unlock+0x27/0x40 [ 170.943126][ C0] ? __alloc_fd+0x189/0x520 [ 170.943127][ C0] ? strncpy_from_user+0x91/0x360 [ 170.943128][ C0] do_sys_openat2+0x309/0x590 [ 170.943129][ C0] ? idtentry_exit_cond_rcu+0xa6/0x100 [ 170.943131][ C0] ? file_open_root+0x220/0x220 [ 170.943132][ C0] ? rcu_lockdep_current_cpu_online+0x3e/0x120 [ 170.943133][ C0] do_sys_open+0x90/0xe0 [ 170.943134][ C0] ? filp_open+0x50/0x50 [ 170.943136][ C0] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 170.943137][ C0] __x64_sys_openat+0x98/0xf0 [ 170.943138][ C0] do_syscall_64+0x64/0xe0 [ 170.943140][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 170.943141][ C0] RIP: 0033:0x45a909 [ 170.943142][ C0] Code: Bad RIP value. [ 170.943143][ C0] RSP: 002b:00007f48c2ab7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 170.943146][ C0] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045a909 [ 170.943148][ C0] RDX: 0000000000000000 RSI: 0000000020000380 RDI: ffffffffffffff9c [ 170.943150][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 170.943152][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f48c2ab86d4 [ 170.943153][ C0] R13: 00000000004c8678 R14: 00000000004dfa28 R15: 00000000ffffffff [ 170.945518][ C0] Kernel Offset: disabled