syzkaller login: [ 27.355410][ C1] random: crng init done [ 27.359693][ C1] random: 7 urandom warning(s) missed due to ratelimiting [ 34.460869][ T27] audit: type=1400 audit(1596720144.192:8): avc: denied { execmem } for pid=6710 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 34.464211][ T6711] IPVS: ftp: loaded support on port[0] = 21 [ 34.708160][ T57] tipc: TX() has been purged, node left! [ 34.835541][ T6691] can: request_module (can-proto-0) failed. [ 35.779634][ T6691] can: request_module (can-proto-0) failed. [ 35.787287][ T6691] can: request_module (can-proto-0) failed. [ 35.804469][ T27] audit: type=1400 audit(1596720145.533:9): avc: denied { create } for pid=6691 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 '10.128.15.201' (ECDSA) to the list of known hosts. 2020/08/06 13:22:32 parsed 1 programs 2020/08/06 13:22:32 executed programs: 0 [ 42.875896][ T27] audit: type=1400 audit(1596720152.606:10): avc: denied { execmem } for pid=6834 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 42.936898][ T6835] IPVS: ftp: loaded support on port[0] = 21 [ 42.999978][ T6855] IPVS: ftp: loaded support on port[0] = 21 [ 43.000330][ T6862] IPVS: ftp: loaded support on port[0] = 21 [ 43.015777][ T6835] chnl_net:caif_netlink_parms(): no params data found [ 43.037046][ T6868] IPVS: ftp: loaded support on port[0] = 21 [ 43.047548][ T6835] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.067634][ T6835] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.075448][ T6835] device bridge_slave_0 entered promiscuous mode [ 43.082654][ T6835] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.090099][ T6835] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.097687][ T6835] device bridge_slave_1 entered promiscuous mode [ 43.110429][ T6855] chnl_net:caif_netlink_parms(): no params data found [ 43.129209][ T7006] IPVS: ftp: loaded support on port[0] = 21 [ 43.135462][ T6862] chnl_net:caif_netlink_parms(): no params data found [ 43.151262][ T6835] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.171499][ T6855] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.178578][ T6855] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.186551][ T6855] device bridge_slave_0 entered promiscuous mode [ 43.193440][ T6855] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.194309][ T6904] IPVS: ftp: loaded support on port[0] = 21 [ 43.200504][ T6855] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.200738][ T6855] device bridge_slave_1 entered promiscuous mode [ 43.226203][ T6835] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.240490][ T6855] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.259607][ T6835] team0: Port device team_slave_0 added [ 43.265605][ T6855] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.282409][ T6862] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.290987][ T6862] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.298397][ T6862] device bridge_slave_0 entered promiscuous mode [ 43.308176][ T6835] team0: Port device team_slave_1 added [ 43.320713][ T6862] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.329092][ T6862] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.336754][ T6862] device bridge_slave_1 entered promiscuous mode [ 43.375299][ T6835] device hsr_slave_0 entered promiscuous mode [ 43.414732][ T6835] device hsr_slave_1 entered promiscuous mode [ 43.474040][ T7006] chnl_net:caif_netlink_parms(): no params data found [ 43.486920][ T6855] team0: Port device team_slave_0 added [ 43.494250][ T6855] team0: Port device team_slave_1 added [ 43.502160][ T6868] chnl_net:caif_netlink_parms(): no params data found [ 43.512886][ T6862] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.523950][ T6862] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.575279][ T6855] device hsr_slave_0 entered promiscuous mode [ 43.604975][ T6855] device hsr_slave_1 entered promiscuous mode [ 43.654446][ T6855] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 43.662174][ T6855] Cannot create hsr debugfs directory [ 43.677574][ T6862] team0: Port device team_slave_0 added [ 43.683242][ T6868] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.690874][ T6868] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.698693][ T6868] device bridge_slave_0 entered promiscuous mode [ 43.718251][ T6862] team0: Port device team_slave_1 added [ 43.728224][ T6868] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.735969][ T6868] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.743268][ T6868] device bridge_slave_1 entered promiscuous mode [ 43.751758][ T7006] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.759059][ T7006] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.766497][ T7006] device bridge_slave_0 entered promiscuous mode [ 43.773547][ T7006] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.780942][ T7006] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.788415][ T7006] device bridge_slave_1 entered promiscuous mode [ 43.797819][ T7006] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.811782][ T6835] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 43.855837][ T6904] chnl_net:caif_netlink_parms(): no params data found [ 43.863439][ T7006] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.875832][ T7006] team0: Port device team_slave_0 added [ 43.882392][ T7006] team0: Port device team_slave_1 added [ 43.891306][ T6868] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.900839][ T6835] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 43.915878][ T6835] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 43.994852][ T6862] device hsr_slave_0 entered promiscuous mode [ 44.014359][ T6862] device hsr_slave_1 entered promiscuous mode [ 44.064269][ T6862] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 44.072006][ T6862] Cannot create hsr debugfs directory [ 44.083732][ T6868] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 44.094698][ T6835] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 44.124826][ T6855] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 44.214945][ T7006] device hsr_slave_0 entered promiscuous mode [ 44.254297][ T7006] device hsr_slave_1 entered promiscuous mode [ 44.294345][ T7006] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 44.301909][ T7006] Cannot create hsr debugfs directory [ 44.311264][ T6868] team0: Port device team_slave_0 added [ 44.324636][ T6868] team0: Port device team_slave_1 added [ 44.330682][ T6855] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 44.388827][ T6862] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 44.465234][ T6904] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.472271][ T6904] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.479853][ T6904] device bridge_slave_0 entered promiscuous mode [ 44.486970][ T6855] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 44.532105][ T7006] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 44.585027][ T6862] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 44.635097][ T6904] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.642123][ T6904] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.649796][ T6904] device bridge_slave_1 entered promiscuous mode [ 44.656674][ T6855] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 44.715414][ T7006] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 44.804767][ T6868] device hsr_slave_0 entered promiscuous mode [ 44.854190][ T6868] device hsr_slave_1 entered promiscuous mode [ 44.914700][ T6868] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 44.922255][ T6868] Cannot create hsr debugfs directory [ 44.927697][ T6862] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 44.997294][ T6904] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 45.010398][ T6904] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 45.020247][ T7006] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 45.094626][ T7006] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 45.144432][ T6862] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 45.187116][ T6835] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.197954][ T6904] team0: Port device team_slave_0 added [ 45.218530][ T6855] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.226201][ T6904] team0: Port device team_slave_1 added [ 45.239167][ T7006] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.246825][ T6868] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 45.274539][ T6868] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 45.315003][ T6868] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 45.355623][ T6855] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.362495][ T6868] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 45.395411][ T6328] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.403216][ T6328] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.464782][ T6904] device hsr_slave_0 entered promiscuous mode [ 45.494250][ T6904] device hsr_slave_1 entered promiscuous mode [ 45.533873][ T6904] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 45.541428][ T6904] Cannot create hsr debugfs directory [ 45.557576][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.565022][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.572288][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.581011][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.589435][ T3101] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.596521][ T3101] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.604779][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.612996][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.621248][ T3101] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.628306][ T3101] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.635656][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.643696][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.651800][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.659910][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.667880][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.675532][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.683543][ T6835] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.693382][ T6855] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 45.704565][ T6855] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 45.716477][ T7006] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.725875][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.733384][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.740863][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.749452][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.757848][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.765842][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.774123][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.782039][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.797286][ T6904] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.864398][ T6904] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.887734][ T6855] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.899668][ T6868] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.906938][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.917027][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.925544][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.933566][ T3101] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.940686][ T3101] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.948323][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.956600][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.964867][ T3101] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.971864][ T3101] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.979172][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.987572][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.995690][ T3101] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.002689][ T3101] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.010267][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.018426][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.025779][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.033086][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.041279][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.049499][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.057587][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.065843][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.073959][ T3101] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.080958][ T3101] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.088296][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.096427][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.104959][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.112792][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.120660][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.128703][ T6904] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.186552][ T7006] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 46.198252][ T7006] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 46.210599][ T6862] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.219205][ T6904] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.254246][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.262361][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.270719][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.279007][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.287158][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.295233][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.303065][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.311446][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.319578][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.327728][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.335742][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.343849][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.351691][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.359217][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.368989][ T6868] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.380728][ T7006] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.387887][ T6328] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.397902][ T6328] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.405561][ T6328] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.412891][ T6328] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.421635][ T6835] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 46.433247][ T6835] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.447466][ T6868] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 46.458547][ T6868] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 46.474455][ T6328] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.486189][ T6328] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.495578][ T6328] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.503045][ T6328] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.521606][ T6328] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.793169][ C1] hrtimer: interrupt took 16665 ns [ 151.539504][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 151.546467][ C0] (detected by 0, t=10502 jiffies, g=3641, q=399) [ 151.552938][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294952389-4294941886), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 151.566267][ C0] rcu: rcu_preempt kthread starved for 10504 jiffies! g3641 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 151.577342][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 151.587287][ C0] rcu: RCU grace-period kthread stack dump: [ 151.593148][ C0] rcu_preempt R running task 14264 10 2 0x00004000 [ 151.601012][ C0] Call Trace: [ 151.604277][ C0] __schedule+0x3f3/0x880 [ 151.608588][ C0] schedule+0x3b/0xf0 [ 151.612547][ C0] schedule_timeout+0x1ae/0x2d0 [ 151.617368][ C0] ? _raw_spin_unlock_irqrestore+0x5f/0x80 [ 151.623152][ C0] ? __next_timer_interrupt+0x100/0x100 [ 151.628672][ C0] rcu_gp_kthread+0x702/0xc70 [ 151.633318][ C0] ? __kthread_parkme+0x1b/0xb0 [ 151.638143][ C0] ? rcu_nocb_unlock_irqrestore.isra.58+0x50/0x50 [ 151.644526][ C0] kthread+0x160/0x180 [ 151.648577][ C0] ? kthread_mod_delayed_work+0xc0/0xc0 [ 151.654096][ C0] ret_from_fork+0x1f/0x30