Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 39.944347][ T27] audit: type=1400 audit(1590803787.091:8): avc: denied { execmem } for pid=7060 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 39.955515][ T7061] IPVS: ftp: loaded support on port[0] = 21 [ 40.248812][ T7] tipc: TX() has been purged, node left! [ 40.576868][ T7059] can: request_module (can-proto-0) failed. [ 43.409065][ T7059] can: request_module (can-proto-0) failed. [ 43.419402][ T7059] can: request_module (can-proto-0) failed. [ 43.453356][ T27] audit: type=1400 audit(1590803790.602:9): avc: denied { create } for pid=7036 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 '10.128.10.55' (ECDSA) to the list of known hosts. 2020/05/30 01:56:37 parsed 1 programs 2020/05/30 01:56:38 executed programs: 0 [ 51.508511][ T27] audit: type=1400 audit(1590803798.664:10): avc: denied { execmem } for pid=7180 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 51.613288][ T7183] IPVS: ftp: loaded support on port[0] = 21 [ 51.613300][ T7181] IPVS: ftp: loaded support on port[0] = 21 [ 51.637160][ T7185] IPVS: ftp: loaded support on port[0] = 21 [ 51.691528][ T7198] IPVS: ftp: loaded support on port[0] = 21 [ 51.701000][ T7187] IPVS: ftp: loaded support on port[0] = 21 [ 51.774353][ T7211] IPVS: ftp: loaded support on port[0] = 21 [ 51.983123][ T7183] chnl_net:caif_netlink_parms(): no params data found [ 51.997603][ T7185] chnl_net:caif_netlink_parms(): no params data found [ 52.052608][ T7198] chnl_net:caif_netlink_parms(): no params data found [ 52.068157][ T7181] chnl_net:caif_netlink_parms(): no params data found [ 52.153137][ T7183] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.161734][ T7183] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.170634][ T7183] device bridge_slave_0 entered promiscuous mode [ 52.182089][ T7183] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.190778][ T7183] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.199075][ T7183] device bridge_slave_1 entered promiscuous mode [ 52.218344][ T7187] chnl_net:caif_netlink_parms(): no params data found [ 52.261502][ T7211] chnl_net:caif_netlink_parms(): no params data found [ 52.288140][ T7198] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.295219][ T7198] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.304176][ T7198] device bridge_slave_0 entered promiscuous mode [ 52.312011][ T7185] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.323381][ T7185] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.331303][ T7185] device bridge_slave_0 entered promiscuous mode [ 52.357249][ T7187] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.364323][ T7187] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.372244][ T7187] device bridge_slave_0 entered promiscuous mode [ 52.385608][ T7181] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.396700][ T7181] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.404362][ T7181] device bridge_slave_0 entered promiscuous mode [ 52.411908][ T7198] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.419989][ T7198] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.427866][ T7198] device bridge_slave_1 entered promiscuous mode [ 52.436121][ T7183] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.445259][ T7185] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.452611][ T7185] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.460985][ T7185] device bridge_slave_1 entered promiscuous mode [ 52.468035][ T7187] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.475077][ T7187] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.486101][ T7187] device bridge_slave_1 entered promiscuous mode [ 52.506430][ T7181] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.513473][ T7181] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.524255][ T7181] device bridge_slave_1 entered promiscuous mode [ 52.541701][ T7183] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.564138][ T7187] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.608722][ T7183] team0: Port device team_slave_0 added [ 52.615776][ T7187] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.627134][ T7198] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.637914][ T7181] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.649445][ T7185] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.665215][ T7185] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.680144][ T7183] team0: Port device team_slave_1 added [ 52.691972][ T7198] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.702974][ T7181] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.713020][ T7211] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.720521][ T7211] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.729486][ T7211] device bridge_slave_0 entered promiscuous mode [ 52.741218][ T7211] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.748942][ T7211] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.756823][ T7211] device bridge_slave_1 entered promiscuous mode [ 52.811936][ T7187] team0: Port device team_slave_0 added [ 52.824369][ T7198] team0: Port device team_slave_0 added [ 52.832752][ T7185] team0: Port device team_slave_0 added [ 52.841508][ T7185] team0: Port device team_slave_1 added [ 52.850051][ T7181] team0: Port device team_slave_0 added [ 52.858076][ T7181] team0: Port device team_slave_1 added [ 52.869262][ T7187] team0: Port device team_slave_1 added [ 52.878943][ T7211] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.918667][ T7183] device hsr_slave_0 entered promiscuous mode [ 52.955963][ T7183] device hsr_slave_1 entered promiscuous mode [ 53.007303][ T7198] team0: Port device team_slave_1 added [ 53.041706][ T7211] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.100987][ T7181] device hsr_slave_0 entered promiscuous mode [ 53.116781][ T7181] device hsr_slave_1 entered promiscuous mode [ 53.189907][ T7181] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 53.197908][ T7181] Cannot create hsr debugfs directory [ 53.204984][ T7211] team0: Port device team_slave_0 added [ 53.268137][ T7187] device hsr_slave_0 entered promiscuous mode [ 53.305877][ T7187] device hsr_slave_1 entered promiscuous mode [ 53.385696][ T7187] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 53.393273][ T7187] Cannot create hsr debugfs directory [ 53.448311][ T7185] device hsr_slave_0 entered promiscuous mode [ 53.496237][ T7185] device hsr_slave_1 entered promiscuous mode [ 53.535817][ T7185] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 53.543381][ T7185] Cannot create hsr debugfs directory [ 53.563271][ T7211] team0: Port device team_slave_1 added [ 53.609263][ T7198] device hsr_slave_0 entered promiscuous mode [ 53.656887][ T7198] device hsr_slave_1 entered promiscuous mode [ 53.695755][ T7198] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 53.703341][ T7198] Cannot create hsr debugfs directory [ 53.767895][ T7211] device hsr_slave_0 entered promiscuous mode [ 53.785728][ T7211] device hsr_slave_1 entered promiscuous mode [ 53.835546][ T7211] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 53.843117][ T7211] Cannot create hsr debugfs directory [ 53.848947][ T7183] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.892439][ T7183] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.965956][ T7183] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.021836][ T7183] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.109097][ T7181] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 54.180562][ T7181] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 54.227588][ T7181] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 54.269825][ T7181] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 54.331979][ T7187] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 54.401572][ T7187] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 54.457138][ T7187] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 54.508759][ T7187] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 54.657369][ T7198] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 54.766166][ T7198] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 54.796703][ T7185] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 54.847834][ T7185] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 54.887780][ T7185] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 54.967171][ T7185] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 55.025598][ T7181] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.032333][ T7198] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 55.059848][ T7183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.083893][ T7211] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 55.118586][ T7198] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 55.178176][ T7187] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.186187][ T7211] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 55.219604][ T7211] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 55.297054][ T7211] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 55.358759][ T7181] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.372809][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.381424][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.390034][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.398086][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.408181][ T7183] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.442844][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.451838][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.460408][ T2927] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.467623][ T2927] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.478180][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.486937][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.496895][ T2927] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.503919][ T2927] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.511626][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.520569][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.528895][ T2927] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.535988][ T2927] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.543374][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.552327][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.580449][ T7187] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.587625][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.596761][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.604471][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.613901][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.623042][ T2927] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.630148][ T2927] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.638194][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.646793][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.654303][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.662022][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.670811][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.679485][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.688119][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.696453][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.704569][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.713971][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.721964][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.757193][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.766510][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.774582][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.784179][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.792928][ T3071] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.800014][ T3071] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.808046][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.817169][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.826117][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.834401][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.862509][ T7181] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.875957][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.883721][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.894724][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.903565][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.912710][ T3071] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.919800][ T3071] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.929256][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.937954][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.947149][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.955764][ T3071] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.992438][ T7187] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.003419][ T7187] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.017562][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.026576][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.034746][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.043644][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.052258][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.060806][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.069708][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.078814][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.087205][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.094765][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.107790][ T7183] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.120693][ T7183] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.148024][ T7181] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.157484][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.166221][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.174218][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.182097][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.189674][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.197389][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.223339][ T7187] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.242653][ T7198] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.266155][ T7185] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.293336][ T7211] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.315477][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.233956][ C0] hrtimer: interrupt took 58656 ns [ 161.319451][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 161.326172][ C0] rcu: 0-...!: (1 GPs behind) idle=13a/1/0x4000000000000002 softirq=10719/10728 fqs=2 [ 161.336053][ C0] (t=10500 jiffies g=6925 q=327) [ 161.341060][ C0] rcu: rcu_preempt kthread starved for 10496 jiffies! g6925 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 161.352136][ C0] rcu: RCU grace-period kthread stack dump: [ 161.358006][ C0] rcu_preempt R running task 29096 10 2 0x80004000 [ 161.365887][ C0] Call Trace: [ 161.369160][ C0] __schedule+0x8ae/0x19c0 [ 161.373560][ C0] ? __sched_text_start+0x8/0x8 [ 161.378386][ C0] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 161.384179][ C0] ? lockdep_hardirqs_on+0x481/0x620 [ 161.389473][ C0] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 161.395259][ C0] schedule+0xc3/0x2b0 [ 161.399307][ C0] schedule_timeout+0x2bd/0x710 [ 161.404143][ C0] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 161.409936][ C0] ? usleep_range+0x130/0x130 [ 161.414613][ C0] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 161.420403][ C0] ? prepare_to_swait_event+0x130/0x390 [ 161.425926][ C0] ? __next_timer_interrupt+0x100/0x100 [ 161.431462][ C0] rcu_gp_kthread+0x9da/0x1a40 [ 161.439329][ C0] ? do_raw_spin_lock+0x132/0x2e0 [ 161.444339][ C0] ? rcu_barrier+0x4c0/0x4c0 [ 161.448908][ C0] ? __kthread_parkme+0x37/0x1c0 [ 161.453826][ C0] ? __kthread_parkme+0xb8/0x1c0 [ 161.458743][ C0] ? schedule+0xe3/0x2b0 [ 161.462983][ C0] kthread+0x354/0x420 [ 161.467029][ C0] ? rcu_barrier+0x4c0/0x4c0 [ 161.471594][ C0] ? kthread_mod_delayed_work+0x190/0x190 [ 161.477292][ C0] ret_from_fork+0x24/0x30 [ 161.481701][ C0] NMI backtrace for cpu 0 [ 161.486012][ C0] CPU: 0 PID: 8118 Comm: syz-executor.3 Not tainted 5.7.0-rc7-syzkaller #0 [ 161.494589][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.504622][ C0] Call Trace: [ 161.507887][ C0] [ 161.510722][ C0] dump_stack+0x12d/0x187 [ 161.515036][ C0] nmi_cpu_backtrace.cold.7+0x4b/0x84 [ 161.520386][ C0] ? _raw_spin_lock_irqsave+0x74/0xd0 [ 161.525738][ C0] ? lapic_can_unplug_cpu.cold.30+0x3f/0x3f [ 161.531613][ C0] nmi_trigger_cpumask_backtrace+0x18b/0x1b7 [ 161.537574][ C0] arch_trigger_cpumask_backtrace+0x14/0x20 [ 161.543446][ C0] rcu_dump_cpu_stacks+0x1a1/0x1ee [ 161.548559][ C0] rcu_sched_clock_irq.cold.87+0x3c7/0xc50 [ 161.554348][ C0] ? raise_softirq+0x141/0x330 [ 161.559099][ C0] update_process_times+0x23/0x50 [ 161.564100][ C0] tick_sched_handle+0x77/0x140 [ 161.568929][ C0] tick_sched_timer+0x43/0x100 [ 161.573675][ C0] __hrtimer_run_queues+0x524/0xc00 [ 161.578855][ C0] ? tick_sched_do_timer+0x140/0x140 [ 161.584123][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 161.590083][ C0] ? ktime_get_update_offsets_now+0x140/0x360 [ 161.596131][ C0] hrtimer_interrupt+0x2df/0x760 [ 161.601058][ C0] smp_apic_timer_interrupt+0x163/0x5f0 [ 161.606607][ C0] apic_timer_interrupt+0xf/0x20 [ 161.611521][ C0] [ 161.614439][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0xaa/0xd0 [ 161.620833][ C0] Code: e0 6b f4 88 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 28 48 83 3d bd f5 a3 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb ad e8 85 f5 af f9 eb bb 0f 0b 0f 0b e8 8f 6a 51 [ 161.640431][ C0] RSP: 0000:ffffc90004187d00 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 161.648835][ C0] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 [ 161.656785][ C0] RDX: 1ffffffff11e8d7c RSI: 0000000000000006 RDI: 0000000000000286 [ 161.664738][ C0] RBP: ffffc90004187d10 R08: 0000000000000006 R09: 0000000000000000 [ 161.672689][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888086c60a00 [ 161.680639][ C0] R13: 000000000000000b R14: 0000000000000000 R15: 000000000000000a [ 161.688636][ C0] force_sig_info_to_task+0x259/0x320 [ 161.693996][ C0] force_sig_fault+0xad/0xe0 [ 161.698566][ C0] ? force_sig_fault_to_task+0xe0/0xe0 [ 161.704005][ C0] ? __bad_area_nosemaphore+0x88/0x310 [ 161.709443][ C0] ? trace_hardirqs_on+0x28/0x1a0 [ 161.714464][ C0] __bad_area_nosemaphore+0x24d/0x310 [ 161.719823][ C0] ? ___might_sleep+0x16b/0x2b0 [ 161.724660][ C0] bad_area+0x64/0x80 [ 161.728625][ C0] do_page_fault+0xa00/0xe5b [ 161.733209][ C0] page_fault+0x39/0x40 [ 161.737345][ C0] RIP: 0033:0x4057e9 [ 161.741221][ C0] 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 [ 161.760892][ C0] RSP: 002b:00007f332a7b1a70 EFLAGS: 00010202 [ 161.766947][ C0] RAX: 0000000024b9c1a8 RBX: 0000000000000007 RCX: 0000000000414717 [ 161.774905][ C0] RDX: ae8cfe000697c394 RSI: 0000000000000000 RDI: 0000000000000004 [ 161.782863][ C0] RBP: 000000000075bf20 R08: 00007f332a7b1a70 R09: 000000000075bf20 [ 161.790816][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 00007f332a7b26d4 [ 161.798788][ C0] R13: 00000000004cae58 R14: 00000000004e4478 R15: 00000000ffffffff