Warning: Permanently added '10.128.0.176' (ECDSA) to the list of known hosts. 2021/06/04 00:43:11 parsed 1 programs 2021/06/04 00:43:11 executed programs: 0 [ 46.065214][ T28] audit: type=1400 audit(1622767391.368:10): avc: denied { execmem } for pid=5972 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 46.506158][ T5981] chnl_net:caif_netlink_parms(): no params data found [ 46.522292][ T5976] chnl_net:caif_netlink_parms(): no params data found [ 46.545324][ T5977] chnl_net:caif_netlink_parms(): no params data found [ 46.737681][ T5981] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.747121][ T5981] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.757224][ T5981] device bridge_slave_0 entered promiscuous mode [ 46.795782][ T5983] chnl_net:caif_netlink_parms(): no params data found [ 46.810657][ T5981] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.821099][ T5981] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.829891][ T5981] device bridge_slave_1 entered promiscuous mode [ 46.847053][ T5977] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.858734][ T5977] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.867151][ T5977] device bridge_slave_0 entered promiscuous mode [ 46.875053][ T5982] chnl_net:caif_netlink_parms(): no params data found [ 46.884357][ T5976] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.891804][ T5976] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.900256][ T5976] device bridge_slave_0 entered promiscuous mode [ 46.925434][ T5979] chnl_net:caif_netlink_parms(): no params data found [ 46.934733][ T5977] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.942143][ T5977] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.950473][ T5977] device bridge_slave_1 entered promiscuous mode [ 46.960761][ T5976] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.968444][ T5976] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.979996][ T5976] device bridge_slave_1 entered promiscuous mode [ 47.018051][ T5983] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.027975][ T5983] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.036167][ T5983] device bridge_slave_0 entered promiscuous mode [ 47.054331][ T5981] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 47.071125][ T5981] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 47.087149][ T5983] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.094704][ T5983] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.102308][ T5983] device bridge_slave_1 entered promiscuous mode [ 47.122582][ T5977] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 47.161515][ T5976] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 47.181742][ T5977] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 47.199138][ T5983] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 47.211717][ T5976] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 47.221581][ T5982] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.228941][ T5982] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.238002][ T5982] device bridge_slave_0 entered promiscuous mode [ 47.247673][ T5981] team0: Port device team_slave_0 added [ 47.258988][ T5979] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.266539][ T5979] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.274496][ T5979] device bridge_slave_0 entered promiscuous mode [ 47.282701][ T5983] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 47.300967][ T5982] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.309371][ T5982] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.320353][ T5982] device bridge_slave_1 entered promiscuous mode [ 47.328867][ T5981] team0: Port device team_slave_1 added [ 47.339523][ T5979] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.348587][ T5979] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.357052][ T5979] device bridge_slave_1 entered promiscuous mode [ 47.367413][ T5976] team0: Port device team_slave_0 added [ 47.404654][ T5977] team0: Port device team_slave_0 added [ 47.420061][ T5976] team0: Port device team_slave_1 added [ 47.431142][ T5982] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 47.445524][ T5982] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 47.494517][ T5981] device hsr_slave_0 entered promiscuous mode [ 47.543419][ T5981] device hsr_slave_1 entered promiscuous mode [ 47.605150][ T5977] team0: Port device team_slave_1 added [ 47.619237][ T5983] team0: Port device team_slave_0 added [ 47.669335][ T5979] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 47.698569][ T5983] team0: Port device team_slave_1 added [ 47.756439][ T5976] device hsr_slave_0 entered promiscuous mode [ 47.824809][ T5976] device hsr_slave_1 entered promiscuous mode [ 47.862893][ T5976] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 47.870724][ T5976] Cannot create hsr debugfs directory [ 47.880070][ T5982] team0: Port device team_slave_0 added [ 47.888593][ T5979] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 47.927948][ T5982] team0: Port device team_slave_1 added [ 47.975473][ T5977] device hsr_slave_0 entered promiscuous mode [ 48.013196][ T5977] device hsr_slave_1 entered promiscuous mode [ 48.073198][ T5977] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 48.080808][ T5977] Cannot create hsr debugfs directory [ 48.155902][ T5983] device hsr_slave_0 entered promiscuous mode [ 48.193028][ T5983] device hsr_slave_1 entered promiscuous mode [ 48.232839][ T5983] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 48.240398][ T5983] Cannot create hsr debugfs directory [ 48.258977][ T5979] team0: Port device team_slave_0 added [ 48.285077][ T5979] team0: Port device team_slave_1 added [ 48.335480][ T5982] device hsr_slave_0 entered promiscuous mode [ 48.373132][ T5982] device hsr_slave_1 entered promiscuous mode [ 48.423074][ T5982] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 48.430670][ T5982] Cannot create hsr debugfs directory [ 48.446497][ T5981] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.552111][ T5981] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.665124][ T5979] device hsr_slave_0 entered promiscuous mode [ 48.703942][ T5979] device hsr_slave_1 entered promiscuous mode [ 48.752656][ T5979] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 48.760432][ T5979] Cannot create hsr debugfs directory [ 48.774241][ T5981] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.821810][ T5981] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.874832][ T5976] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 48.914804][ T5976] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 48.944501][ T5976] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 49.013292][ T5976] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 49.114739][ T5977] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 49.144796][ T5977] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 49.204773][ T5977] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 49.244189][ T5977] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 49.366185][ T5981] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.387099][ T5983] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 49.423907][ T5983] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 49.480246][ T5976] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.497702][ T5983] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 49.536778][ T5983] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 49.607199][ T5976] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.614843][ T6871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 49.624415][ T6871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.634319][ T6871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 49.641889][ T6871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.667132][ T5981] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.687399][ T5977] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.695478][ T5910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.704409][ T5910] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.714551][ T5910] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.721674][ T5910] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.730547][ T5910] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.740975][ T5910] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.750142][ T5910] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.757409][ T5910] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.765226][ T5910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.781161][ T5910] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 49.789717][ T5910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.799096][ T5910] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.807782][ T5910] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.814932][ T5910] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.822767][ T5910] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.834370][ T5910] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 49.850972][ T5977] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.859313][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 49.868544][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.877516][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.887530][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.896982][ T2740] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.904112][ T2740] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.950711][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.959539][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.969675][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.979786][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.989090][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.997838][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.006914][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.016039][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.026005][ T5982] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 50.086744][ T5981] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 50.098118][ T5981] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.120029][ T5976] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 50.131140][ T5976] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.144408][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.158004][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.166013][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 50.179548][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.188537][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.197270][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.206433][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.215325][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.224111][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.231162][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.239114][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.247635][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.255972][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.264867][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.273510][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.280544][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.288195][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.296607][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.305167][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.314583][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.323066][ T5982] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 50.373791][ T5982] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 50.432143][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.439911][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.448694][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.462414][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.471131][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.486276][ T5983] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.496149][ T5982] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 50.564612][ T6908] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.572479][ T6908] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.579917][ T6908] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 50.589314][ T6908] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 50.599914][ T5981] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.616049][ T5976] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.624437][ T5979] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 50.692855][ T5983] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.712242][ T5979] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 50.734048][ T6903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.753017][ T6903] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.761403][ T6903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 50.771020][ T6903] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.780946][ T6903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.789595][ T6903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.812509][ T6903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.820967][ T6903] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.833887][ T6903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.843321][ T6903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.851645][ T6903] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.858817][ T6903] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.872284][ T5977] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.894780][ T5977] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.937623][ T5977] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.711264][ C0] hrtimer: interrupt took 43322 ns [ 155.787343][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 155.794109][ C0] rcu: 0-...!: (1 GPs behind) idle=7fa/1/0x4000000000000000 softirq=8094/8095 fqs=9 [ 155.804616][ C0] (t=10500 jiffies g=5717 q=393) [ 155.809819][ C0] rcu: rcu_preempt kthread starved for 10481 jiffies! g5717 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 155.821225][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 155.831290][ C0] rcu: RCU grace-period kthread stack dump: [ 155.837375][ C0] task:rcu_preempt state:R running task stack:29296 pid: 13 ppid: 2 flags:0x00004000 [ 155.848356][ C0] Call Trace: [ 155.851744][ C0] __schedule+0xf63/0x23d0 [ 155.856424][ C0] ? io_schedule_timeout+0x150/0x150 [ 155.862027][ C0] ? __free_object+0xf80/0xf80 [ 155.866958][ C0] schedule+0xdb/0x280 [ 155.871111][ C0] schedule_timeout+0x133/0x220 [ 155.875952][ C0] ? usleep_range+0x160/0x160 [ 155.882199][ C0] ? destroy_timer_on_stack+0x20/0x20 [ 155.887778][ C0] ? prepare_to_swait_exclusive+0x330/0x330 [ 155.893673][ C0] rcu_gp_kthread+0xcf6/0x22c0 [ 155.898443][ C0] ? rcu_qs+0x120/0x120 [ 155.902821][ C0] ? trace_hardirqs_on+0x2b/0x150 [ 155.907932][ C0] ? __kasan_check_read+0x11/0x20 [ 155.913138][ C0] ? __kthread_parkme+0xae/0x1c0 [ 155.918066][ C0] ? rcu_qs+0x120/0x120 [ 155.922229][ C0] kthread+0x37d/0x460 [ 155.926500][ C0] ? __kthread_bind_mask+0xa0/0xa0 [ 155.932061][ C0] ret_from_fork+0x1f/0x30 [ 155.936513][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 155.942837][ C0] Sending NMI from CPU 0 to CPUs 1: [ 155.948441][ C1] NMI backtrace for cpu 1 [ 155.948445][ C1] CPU: 1 PID: 6928 Comm: syz-executor.2 Not tainted 5.13.0-rc4-syzkaller #0 [ 155.948446][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.948448][ C1] RIP: 0010:arch_local_irq_save+0x12/0x90 [ 155.948449][ C1] Code: 8b 4d c0 4c 8b 45 d0 e9 77 fd ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 48 c7 c0 70 06 76 89 55 48 ba 00 00 00 00 00 fc ff df <48> c1 e8 03 48 89 e5 41 54 80 3c 10 00 75 4d 48 83 3d 07 1a 1f 08 [ 155.948452][ C1] RSP: 0000:ffffc90003b1fd08 EFLAGS: 00000246 [ 155.948455][ C1] RAX: ffffffff89760670 RBX: ffffffff898b45c0 RCX: 0000000000000001 [ 155.948457][ C1] RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: ffffffff898b45c0 [ 155.948458][ C1] RBP: ffffc90003b1fd50 R08: 0000000000000000 R09: ffffffff8a806217 [ 155.948460][ C1] R10: fffffbfff1500c42 R11: 0000000000000000 R12: ffff888103758400 [ 155.948461][ C1] R13: ffff888103758da0 R14: ffffc90003b1fe18 R15: 0000000000000000 [ 155.948462][ C1] FS: 00007f761aa79700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 [ 155.948464][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 155.948465][ C1] CR2: 0000000026c00170 CR3: 000000010425b006 CR4: 00000000001706e0 [ 155.948466][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 155.948468][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 155.948469][ C1] Call Trace: [ 155.948470][ C1] ? lock_is_held_type+0x63/0x140 [ 155.948471][ C1] ? debug_smp_processor_id+0x17/0x20 [ 155.948472][ C1] ? __bad_area+0x5e/0xb0 [ 155.948473][ C1] rcu_read_lock_sched_held+0x41/0xb0 [ 155.948474][ C1] lock_release+0x665/0x970 [ 155.948475][ C1] ? lock_downgrade+0x8a0/0x8a0 [ 155.948476][ C1] ? check_preemption_disabled+0x3d/0xe0 [ 155.948478][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 155.948479][ C1] ? lock_is_held_type+0x100/0x140 [ 155.948480][ C1] ? down_read_trylock+0x18c/0x370 [ 155.948481][ C1] up_read+0x16/0x30 [ 155.948482][ C1] __bad_area+0x5e/0xb0 [ 155.948483][ C1] bad_area+0x11/0x20 [ 155.948484][ C1] do_user_addr_fault+0x688/0xd70 [ 155.948485][ C1] ? rcu_read_lock_sched_held+0x41/0xb0 [ 155.948486][ C1] ? irqentry_enter+0x49/0x50 [ 155.948487][ C1] exc_page_fault+0x6f/0xe0 [ 155.948488][ C1] ? asm_exc_page_fault+0x8/0x30 [ 155.948489][ C1] asm_exc_page_fault+0x1e/0x30 [ 155.948490][ C1] RIP: 0033:0x40a497 [ 155.948492][ C1] Code: c7 44 24 18 00 00 00 00 8b 7c 24 20 31 d2 be 01 4c 00 00 31 c0 e8 59 7b 05 00 e9 3b fe ff ff 48 6b 44 24 10 18 48 03 44 24 28 <48> 8b 48 10 48 8b 50 08 48 8b 30 8b 7c 24 1c e8 25 b3 00 00 89 44 [ 155.948494][ C1] RSP: 002b:00007f761aa78fc0 EFLAGS: 00010206 [ 155.948496][ C1] RAX: 0000000026c00160 RBX: 000000000052bf00 RCX: 0000000000415827 [ 155.948498][ C1] RDX: 36214504b055dca0 RSI: 0000000000000000 RDI: 00007f761aa795f0 [ 155.948499][ C1] RBP: 0000000000000007 R08: 00007f761aa78fc0 R09: 0000000000000007 [ 155.948500][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff [ 155.948502][ C1] R13: 00000000004fd358 R14: 00000000004b69b5 R15: 00007f761aa796bc [ 155.949312][ C0] NMI backtrace for cpu 0 [ 156.257534][ C0] CPU: 0 PID: 6924 Comm: syz-executor.0 Not tainted 5.13.0-rc4-syzkaller #0 [ 156.266347][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 156.276507][ C0] Call Trace: [ 156.280023][ C0] dump_stack+0x114/0x14e [ 156.284452][ C0] nmi_cpu_backtrace.cold+0x30/0x9c [ 156.289659][ C0] ? lapic_can_unplug_cpu+0x80/0x80 [ 156.294849][ C0] nmi_trigger_cpumask_backtrace+0x120/0x170 [ 156.300823][ C0] arch_trigger_cpumask_backtrace+0x14/0x20 [ 156.306809][ C0] rcu_dump_cpu_stacks+0x23f/0x360 [ 156.312040][ C0] rcu_sched_clock_irq.cold+0x63/0x6bb [ 156.317604][ C0] ? rcutree_dead_cpu+0x20/0x20 [ 156.322650][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 156.328233][ C0] ? lock_is_held_type+0xdf/0x140 [ 156.333538][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 156.339163][ C0] ? __raise_softirq_irqoff+0x97/0x1e0 [ 156.344900][ C0] update_process_times+0x139/0x1b0 [ 156.350095][ C0] tick_sched_handle+0x77/0x140 [ 156.354943][ C0] ? get_cpu_iowait_time_us+0x330/0x330 [ 156.360498][ C0] tick_sched_timer+0x142/0x230 [ 156.365444][ C0] __hrtimer_run_queues+0x1b7/0xc30 [ 156.370661][ C0] ? hrtimer_sleeper_start_expires+0x90/0x90 [ 156.377113][ C0] ? ktime_get_update_offsets_now+0x47/0x240 [ 156.383096][ C0] ? ktime_get_update_offsets_now+0x8c/0x240 [ 156.389187][ C0] hrtimer_interrupt+0x2f3/0x950 [ 156.394224][ C0] __sysvec_apic_timer_interrupt+0x143/0x530 [ 156.400231][ C0] sysvec_apic_timer_interrupt+0x47/0xc0 [ 156.406007][ C0] ? asm_sysvec_apic_timer_interrupt+0xa/0x20 [ 156.412132][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 156.418132][ C0] RIP: 0033:0x403810 [ 156.422209][ C0] Code: 30 31 c0 e8 82 f4 ff ff e9 e3 fd ff ff e8 c8 2b 01 00 48 8d 3d 5e 79 0a 00 8b 30 31 c0 e8 68 f4 ff ff e9 b0 fd ff ff 0f 1f 00 <55> 48 8b 76 10 89 fd 64 8b 04 25 b8 ff ff ff 85 c0 74 0f 48 8d 86 [ 156.442191][ C0] RSP: 002b:00007f4e7758f9f8 EFLAGS: 00000206 [ 156.448274][ C0] RAX: 0000000000000000 RBX: 000000000052bf00 RCX: 0000000000415827 [ 156.456445][ C0] RDX: 00007f4e7758fa00 RSI: 00007f4e7758fb30 RDI: 000000000000000b [ 156.464515][ C0] RBP: 0000000000000007 R08: 00007f4e7758ffc0 R09: 0000000000000007 [ 156.472667][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff [ 156.480728][ C0] R13: 00000000004fd358 R14: 00000000004b69b5 R15: 00007f4e775906bc