Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 70.190501][ T6757] as (6757) used greatest stack depth: 22728 bytes left [ 71.133805][ T26] audit: type=1400 audit(1599596465.997:8): avc: denied { execmem } for pid=6767 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 71.211636][ T6768] IPVS: ftp: loaded support on port[0] = 21 [ 71.423011][ T21] tipc: TX() has been purged, node left! [ 73.815738][ T6751] can: request_module (can-proto-0) failed. [ 73.828086][ T6751] can: request_module (can-proto-0) failed. [ 73.840781][ T6751] can: request_module (can-proto-0) failed. [ 73.883291][ T26] audit: type=1400 audit(1599596468.747:9): avc: denied { create } for pid=6747 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 '10.128.10.43' (ECDSA) to the list of known hosts. 2020/09/08 20:21:16 parsed 1 programs 2020/09/08 20:21:17 executed programs: 0 [ 82.556588][ T26] audit: type=1400 audit(1599596477.428:10): avc: denied { execmem } for pid=6885 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 82.661358][ T6889] IPVS: ftp: loaded support on port[0] = 21 [ 82.661555][ T6887] IPVS: ftp: loaded support on port[0] = 21 [ 82.697348][ T6895] IPVS: ftp: loaded support on port[0] = 21 [ 82.714951][ T6894] IPVS: ftp: loaded support on port[0] = 21 [ 82.728904][ T6892] IPVS: ftp: loaded support on port[0] = 21 [ 82.809680][ T6896] IPVS: ftp: loaded support on port[0] = 21 [ 83.352413][ T6887] chnl_net:caif_netlink_parms(): no params data found [ 83.385729][ T6894] chnl_net:caif_netlink_parms(): no params data found [ 83.438073][ T6892] chnl_net:caif_netlink_parms(): no params data found [ 83.469694][ T6895] chnl_net:caif_netlink_parms(): no params data found [ 83.591943][ T6889] chnl_net:caif_netlink_parms(): no params data found [ 83.610252][ T6887] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.627492][ T6887] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.640084][ T6887] device bridge_slave_0 entered promiscuous mode [ 83.664291][ T6887] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.686332][ T6887] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.693919][ T6887] device bridge_slave_1 entered promiscuous mode [ 83.733470][ T6894] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.743155][ T6894] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.754334][ T6894] device bridge_slave_0 entered promiscuous mode [ 83.802472][ T6892] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.816307][ T6892] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.824313][ T6892] device bridge_slave_0 entered promiscuous mode [ 83.838874][ T6892] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.846004][ T6892] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.853766][ T6892] device bridge_slave_1 entered promiscuous mode [ 83.862437][ T6894] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.875727][ T6894] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.883246][ T6894] device bridge_slave_1 entered promiscuous mode [ 83.906670][ T6895] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.913705][ T6895] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.928374][ T6895] device bridge_slave_0 entered promiscuous mode [ 83.972863][ T6887] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 84.012039][ T6895] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.023217][ T6895] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.031737][ T6895] device bridge_slave_1 entered promiscuous mode [ 84.052825][ T6887] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 84.074950][ T6894] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 84.121363][ T6889] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.135216][ T6889] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.143336][ T6889] device bridge_slave_0 entered promiscuous mode [ 84.166615][ T6892] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 84.178816][ T6896] chnl_net:caif_netlink_parms(): no params data found [ 84.199210][ T6894] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 84.219525][ T6889] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.229120][ T6889] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.237471][ T6889] device bridge_slave_1 entered promiscuous mode [ 84.246489][ T6892] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 84.262391][ T6895] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 84.289771][ T6887] team0: Port device team_slave_0 added [ 84.317294][ T6895] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 84.351465][ T6887] team0: Port device team_slave_1 added [ 84.372783][ T6892] team0: Port device team_slave_0 added [ 84.385074][ T6889] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 84.403195][ T6894] team0: Port device team_slave_0 added [ 84.430046][ T6892] team0: Port device team_slave_1 added [ 84.451884][ T6889] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 84.482945][ T6894] team0: Port device team_slave_1 added [ 84.521677][ T6895] team0: Port device team_slave_0 added [ 84.536382][ T6896] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.543448][ T6896] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.563826][ T6896] device bridge_slave_0 entered promiscuous mode [ 84.577965][ T6887] device hsr_slave_0 entered promiscuous mode [ 84.587804][ T6887] device hsr_slave_1 entered promiscuous mode [ 84.621858][ T6894] device hsr_slave_0 entered promiscuous mode [ 84.630511][ T6894] device hsr_slave_1 entered promiscuous mode [ 84.637585][ T6894] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 84.645804][ T6894] Cannot create hsr debugfs directory [ 84.652362][ T6895] team0: Port device team_slave_1 added [ 84.666171][ T6896] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.673213][ T6896] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.682048][ T6896] device bridge_slave_1 entered promiscuous mode [ 84.699634][ T6889] team0: Port device team_slave_0 added [ 84.712036][ T6892] device hsr_slave_0 entered promiscuous mode [ 84.720678][ T6892] device hsr_slave_1 entered promiscuous mode [ 84.727722][ T6892] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 84.735576][ T6892] Cannot create hsr debugfs directory [ 84.757560][ T6889] team0: Port device team_slave_1 added [ 84.802770][ T6896] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 84.871115][ T6896] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 84.887013][ T6895] device hsr_slave_0 entered promiscuous mode [ 84.897061][ T6895] device hsr_slave_1 entered promiscuous mode [ 84.903731][ T6895] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 84.920128][ T6895] Cannot create hsr debugfs directory [ 84.946261][ T6889] device hsr_slave_0 entered promiscuous mode [ 84.954001][ T6889] device hsr_slave_1 entered promiscuous mode [ 84.969459][ T6889] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 84.981592][ T6889] Cannot create hsr debugfs directory [ 85.047880][ T6896] team0: Port device team_slave_0 added [ 85.073066][ T6894] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 85.104405][ T6896] team0: Port device team_slave_1 added [ 85.115948][ T6894] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 85.151705][ T6894] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 85.174671][ T6887] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 85.193072][ T6894] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 85.212408][ T6887] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 85.226880][ T6896] device hsr_slave_0 entered promiscuous mode [ 85.235634][ T6896] device hsr_slave_1 entered promiscuous mode [ 85.242200][ T6896] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 85.250316][ T6896] Cannot create hsr debugfs directory [ 85.269076][ T6887] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 85.292924][ T6887] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 85.332431][ T6892] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 85.382647][ T6892] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 85.401577][ T6892] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 85.459294][ T6892] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 85.509926][ T6895] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 85.530984][ T6895] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 85.566159][ T6895] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 85.616468][ T6894] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.633677][ T6895] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 85.653222][ T6889] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 85.706826][ T6889] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 85.718860][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 85.736308][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 85.759009][ T6894] 8021q: adding VLAN 0 to HW filter on device team0 [ 85.786869][ T6889] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 85.810001][ T6896] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 85.831972][ T6889] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 85.864936][ T6896] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 85.883881][ T6896] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 85.898138][ T6887] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.933610][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 85.943712][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 85.953216][ T23] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.960495][ T23] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.971183][ T6896] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 86.020535][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 86.046735][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 86.055390][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 86.063656][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.070733][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 86.105502][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 86.114162][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 86.146138][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 86.153963][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.174241][ T6895] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.198421][ T6887] 8021q: adding VLAN 0 to HW filter on device team0 [ 86.218782][ T6892] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.254670][ T6895] 8021q: adding VLAN 0 to HW filter on device team0 [ 86.309665][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 86.318410][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.326981][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 86.345946][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 86.354304][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 86.364498][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 86.373283][ T7790] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.380399][ T7790] bridge0: port 1(bridge_slave_0) entered forwarding state [ 86.389945][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 86.398955][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 86.407869][ T7790] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.414920][ T7790] bridge0: port 1(bridge_slave_0) entered forwarding state [ 86.422986][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 86.432793][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 86.441822][ T7790] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.448940][ T7790] bridge0: port 2(bridge_slave_1) entered forwarding state [ 86.481964][ T6892] 8021q: adding VLAN 0 to HW filter on device team0 [ 86.528095][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 86.536085][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 86.543947][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 86.575516][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 86.584182][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 86.601099][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 86.613240][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 86.633377][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 86.643829][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 86.660659][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 86.669243][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.677666][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 86.686836][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 86.696029][ T7790] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.703084][ T7790] bridge0: port 2(bridge_slave_1) entered forwarding state [ 86.711289][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 86.721217][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 86.730576][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 86.740026][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 86.749444][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 86.758578][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 86.767655][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 86.777117][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 86.788204][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 86.796203][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 86.805687][ T6894] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 86.846469][ T6889] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.856968][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 86.871716][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 86.880986][ T7790] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.888103][ T7790] bridge0: port 1(bridge_slave_0) entered forwarding state [ 86.897190][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 86.906220][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 86.914555][ T7790] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.921662][ T7790] bridge0: port 2(bridge_slave_1) entered forwarding state [ 86.930395][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 86.940502][ T7790] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 86.994695][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 87.003926][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 87.013461][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 87.031274][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 87.043293][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 87.060571][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 87.069034][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.077693][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 87.086488][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 87.094748][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 87.104011][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 87.113246][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 87.122170][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 87.131062][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 87.153387][ T6894] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 87.170121][ T6892] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 87.183193][ T6892] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 87.193865][ T6889] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.206955][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 87.216357][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 87.224737][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 87.233938][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 87.241916][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 87.251155][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 87.272505][ T6895] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 87.282950][ T6895] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 87.336389][ T6896] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.344657][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 87.367372][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 87.376158][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 87.384532][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 87.394518][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 87.403408][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 87.413017][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 87.422766][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 87.432385][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 87.445151][ T6892] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 87.487404][ T6887] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 87.523276][ T6794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 87.536317][ T6794] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 87.553643][ T6794] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.560769][ T6794] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.615392][ T6794] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 87.622860][ T6794] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 87.634552][ T6895] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 87.678719][ T6794] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 87.687795][ T6794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 87.702945][ T6794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.713426][ T6794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 87.732827][ T6794] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 87.754539][ T6794] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.761673][ T6794] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.779440][ T6794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 87.792660][ T6794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 87.812945][ T6896] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.860465][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 87.878742][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 87.926099][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 87.938931][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 87.967357][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 88.524954][ C1] hrtimer: interrupt took 64177 ns [ 193.194306][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 193.201292][ C1] (detected by 1, t=10502 jiffies, g=12441, q=416) [ 193.207890][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294956482-4294945980), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 193.221247][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g12441 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 193.232445][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 193.242405][ C1] rcu: RCU grace-period kthread stack dump: [ 193.248288][ C1] task:rcu_preempt state:R running task stack:29504 pid: 10 ppid: 2 flags:0x00004000 [ 193.259061][ C1] Call Trace: [ 193.262515][ C1] __schedule+0xea9/0x2230 [ 193.266951][ C1] ? io_schedule_timeout+0x140/0x140 [ 193.272239][ C1] ? debug_object_destroy+0x240/0x240 [ 193.277629][ C1] schedule+0xdc/0x2b0 [ 193.281705][ C1] schedule_timeout+0x15e/0x260 [ 193.286557][ C1] ? usleep_range+0x170/0x170 [ 193.291244][ C1] ? __next_timer_interrupt+0x210/0x210 [ 193.296798][ C1] ? prepare_to_swait_exclusive+0x330/0x330 [ 193.302700][ C1] rcu_gp_kthread+0xb19/0x1c40 [ 193.307476][ C1] ? rcu_note_context_switch+0x15a0/0x15a0 [ 193.313383][ C1] ? trace_hardirqs_on+0x70/0x240 [ 193.318416][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 193.324654][ C1] ? __kthread_parkme+0x142/0x1f0 [ 193.329679][ C1] ? rcu_note_context_switch+0x15a0/0x15a0 [ 193.335483][ C1] kthread+0x3c6/0x4d0 [ 193.339548][ C1] ? schedule_tail+0xf1/0x1f0 [ 193.344224][ C1] ? __kthread_bind_mask+0xc0/0xc0 [ 193.349337][ C1] ret_from_fork+0x1f/0x30