Warning: Permanently added '10.128.10.3' (ECDSA) to the list of known hosts. 2021/05/04 12:19:14 parsed 1 programs 2021/05/04 12:19:14 executed programs: 0 [ 49.253568][ T28] audit: type=1400 audit(1620130754.247:10): avc: denied { execmem } for pid=5962 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 49.610531][ T5964] chnl_net:caif_netlink_parms(): no params data found [ 49.758810][ T5965] chnl_net:caif_netlink_parms(): no params data found [ 49.807036][ T5982] chnl_net:caif_netlink_parms(): no params data found [ 49.854891][ T5964] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.865387][ T5964] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.875747][ T5964] device bridge_slave_0 entered promiscuous mode [ 49.954865][ T5964] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.962396][ T5964] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.970382][ T5964] device bridge_slave_1 entered promiscuous mode [ 50.029626][ T5965] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.046032][ T5965] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.055155][ T5965] device bridge_slave_0 entered promiscuous mode [ 50.069963][ T5994] chnl_net:caif_netlink_parms(): no params data found [ 50.090140][ T5985] chnl_net:caif_netlink_parms(): no params data found [ 50.104764][ T5976] chnl_net:caif_netlink_parms(): no params data found [ 50.124461][ T5965] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.132629][ T5965] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.140889][ T5965] device bridge_slave_1 entered promiscuous mode [ 50.151860][ T5964] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.200284][ T5964] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.228528][ T5982] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.239037][ T5982] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.249971][ T5982] device bridge_slave_0 entered promiscuous mode [ 50.289279][ T5994] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.297262][ T5994] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.306596][ T5994] device bridge_slave_0 entered promiscuous mode [ 50.315265][ T5982] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.325081][ T5982] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.333537][ T5982] device bridge_slave_1 entered promiscuous mode [ 50.342029][ T5965] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.366262][ T5994] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.373800][ T5994] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.383300][ T5994] device bridge_slave_1 entered promiscuous mode [ 50.399825][ T5965] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.412610][ T5985] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.420124][ T5985] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.428790][ T5985] device bridge_slave_0 entered promiscuous mode [ 50.438882][ T5964] team0: Port device team_slave_0 added [ 50.468877][ T5985] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.476273][ T5985] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.485040][ T5985] device bridge_slave_1 entered promiscuous mode [ 50.493185][ T5976] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.500731][ T5976] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.509848][ T5976] device bridge_slave_0 entered promiscuous mode [ 50.519051][ T5964] team0: Port device team_slave_1 added [ 50.526209][ T5976] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.534467][ T5976] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.543227][ T5976] device bridge_slave_1 entered promiscuous mode [ 50.551783][ T5994] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.563478][ T5982] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.597814][ T5994] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.609428][ T5982] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.621263][ T5965] team0: Port device team_slave_0 added [ 50.637023][ T5985] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.660488][ T5976] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.704145][ T5964] device hsr_slave_0 entered promiscuous mode [ 50.751300][ T5964] device hsr_slave_1 entered promiscuous mode [ 50.818402][ T5965] team0: Port device team_slave_1 added [ 50.830567][ T5985] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.843544][ T5976] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.876133][ T5994] team0: Port device team_slave_0 added [ 50.906196][ T5982] team0: Port device team_slave_0 added [ 50.919346][ T5982] team0: Port device team_slave_1 added [ 50.930084][ T5994] team0: Port device team_slave_1 added [ 50.944652][ T5985] team0: Port device team_slave_0 added [ 51.013960][ T5965] device hsr_slave_0 entered promiscuous mode [ 51.071234][ T5965] device hsr_slave_1 entered promiscuous mode [ 51.111080][ T5965] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 51.119324][ T5965] Cannot create hsr debugfs directory [ 51.127740][ T5976] team0: Port device team_slave_0 added [ 51.155478][ T5985] team0: Port device team_slave_1 added [ 51.163928][ T5976] team0: Port device team_slave_1 added [ 51.213609][ T5982] device hsr_slave_0 entered promiscuous mode [ 51.251428][ T5982] device hsr_slave_1 entered promiscuous mode [ 51.280844][ T5982] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 51.289137][ T5982] Cannot create hsr debugfs directory [ 51.375528][ T5985] device hsr_slave_0 entered promiscuous mode [ 51.431062][ T5985] device hsr_slave_1 entered promiscuous mode [ 51.500849][ T5985] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 51.509471][ T5985] Cannot create hsr debugfs directory [ 51.552733][ T5994] device hsr_slave_0 entered promiscuous mode [ 51.591449][ T5994] device hsr_slave_1 entered promiscuous mode [ 51.630696][ T5994] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 51.638665][ T5994] Cannot create hsr debugfs directory [ 51.645817][ T5964] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 51.742347][ T5976] device hsr_slave_0 entered promiscuous mode [ 51.790965][ T5976] device hsr_slave_1 entered promiscuous mode [ 51.840937][ T5976] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 51.849450][ T5976] Cannot create hsr debugfs directory [ 51.872668][ T5964] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 51.909646][ T5964] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 51.950843][ T5965] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 52.003910][ T5964] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 52.085632][ T5965] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 52.123020][ T5965] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 52.172963][ T5965] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 52.259920][ T5982] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 52.294817][ T5982] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 52.365396][ T5982] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 52.406893][ T5964] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.424548][ T5982] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 52.490609][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.500790][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.528812][ T5964] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.564917][ T5985] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 52.622284][ T5985] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 52.662769][ T5985] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 52.742147][ T5985] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 52.817499][ T5965] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.830202][ T2449] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.839552][ T2449] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.849729][ T2449] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.857787][ T2449] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.867600][ T2449] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.902162][ T5965] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.916316][ T6888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.924940][ T6888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.963176][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.976576][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.987638][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.998444][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.007448][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.017355][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.027835][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.038003][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.047030][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.054396][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.076505][ T5994] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.143130][ T5994] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.203549][ T5994] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.285895][ T6892] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.294922][ T6892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.305711][ T6892] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.315369][ T6892] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.326151][ T6892] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.335757][ T6892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.344824][ T6892] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.353615][ T6892] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.364274][ T6892] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.374231][ T6892] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.381572][ T6892] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.393198][ T6892] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.405799][ T5964] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.418482][ T5964] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.428143][ T5994] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.466591][ T5985] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.478998][ T6867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.489093][ T6867] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.498546][ T6867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.525191][ T5964] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.544661][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.554094][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.562969][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.573853][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.582483][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.603916][ T5982] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.620738][ T5985] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.643728][ T6904] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.655933][ T6904] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.676770][ T6904] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.689015][ T6904] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.719186][ T5982] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.810902][ T5985] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 53.831696][ T5985] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.882682][ T5985] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.779508][ C1] hrtimer: interrupt took 61083 ns [ 158.655076][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 158.662201][ C0] rcu: 0-...!: (10502 ticks this GP) idle=7c6/1/0x4000000000000000 softirq=7624/7634 fqs=23 [ 158.673506][ C0] (t=10500 jiffies g=5745 q=745) [ 158.679153][ C0] rcu: rcu_preempt kthread starved for 10450 jiffies! g5745 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 158.690542][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 158.701610][ C0] rcu: RCU grace-period kthread stack dump: [ 158.708102][ C0] task:rcu_preempt state:R running task stack:29312 pid: 13 ppid: 2 flags:0x00004000 [ 158.719941][ C0] Call Trace: [ 158.723624][ C0] __schedule+0xf93/0x2400 [ 158.728538][ C0] ? io_schedule_timeout+0x150/0x150 [ 158.734018][ C0] ? __free_object+0xf80/0xf80 [ 158.739052][ C0] schedule+0xdb/0x280 [ 158.743648][ C0] schedule_timeout+0x133/0x220 [ 158.748594][ C0] ? usleep_range+0x160/0x160 [ 158.753532][ C0] ? __next_timer_interrupt+0x160/0x160 [ 158.759169][ C0] ? prepare_to_swait_exclusive+0x330/0x330 [ 158.765240][ C0] rcu_gp_kthread+0xcf6/0x2230 [ 158.770178][ C0] ? rcu_qs+0x120/0x120 [ 158.774607][ C0] ? trace_hardirqs_on+0x2b/0x150 [ 158.779808][ C0] ? __kasan_check_read+0x11/0x20 [ 158.785266][ C0] ? __kthread_parkme+0xae/0x1c0 [ 158.790415][ C0] ? rcu_qs+0x120/0x120 [ 158.794742][ C0] kthread+0x37d/0x460 [ 158.800297][ C0] ? __kthread_bind_mask+0xa0/0xa0 [ 158.805663][ C0] ret_from_fork+0x1f/0x30 [ 158.810182][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 158.816752][ C0] Sending NMI from CPU 0 to CPUs 1: [ 158.822675][ C1] NMI backtrace for cpu 1 [ 158.822678][ C1] CPU: 1 PID: 6928 Comm: syz-executor.5 Not tainted 5.12.0-syzkaller #0 [ 158.822680][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 158.822682][ C1] RIP: 0010:__lock_acquire+0xe21/0x53d0 [ 158.822684][ C1] Code: 05 81 8b 09 0f 86 97 00 00 00 89 05 f9 80 8b 09 e9 8c 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 80 3c 02 00 <0f> 85 dc 2c 00 00 49 81 3e 00 07 b8 8a 0f 84 a1 f2 ff ff 83 fe 01 [ 158.822687][ C1] RSP: 0000:ffffc90000178750 EFLAGS: 00000046 [ 158.822693][ C1] RAX: dffffc0000000000 RBX: ffff888123a1c0c0 RCX: 0000000000000002 [ 158.822694][ C1] RDX: 1ffffffff1316898 RSI: 0000000000000000 RDI: 0000000000000001 [ 158.822696][ C1] RBP: ffffc90000178868 R08: 0000000000000001 R09: 0000000000000001 [ 158.822698][ C1] R10: fffffbfff1500312 R11: 0000000000000001 R12: 0000000000000000 [ 158.822699][ C1] R13: 0000000000000000 R14: ffffffff898b44c0 R15: 0000000000000000 [ 158.822701][ C1] FS: 00007efe8ea20700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 [ 158.822702][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 158.822704][ C1] CR2: 0000000026f7b038 CR3: 000000010186c005 CR4: 00000000001706e0 [ 158.822705][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 158.822707][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 158.822708][ C1] Call Trace: [ 158.822709][ C1] [ 158.822710][ C1] ? lock_chain_count+0x20/0x20 [ 158.822711][ C1] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 158.822713][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 158.822714][ C1] ? lock_is_held_type+0xdf/0x140 [ 158.822715][ C1] lock_acquire+0x22a/0x8c0 [ 158.822716][ C1] ? perf_output_copy+0x1f0/0x1f0 [ 158.822717][ C1] ? lock_release+0x970/0x970 [ 158.822719][ C1] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 158.822720][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 158.822721][ C1] perf_output_begin_forward+0xb3/0x9c0 [ 158.822722][ C1] ? perf_output_copy+0x1f0/0x1f0 [ 158.822724][ C1] ? kvm_is_in_guest+0x10/0x30 [ 158.822725][ C1] ? perf_prepare_sample+0x1d4/0x1fe0 [ 158.822726][ C1] ? lock_release+0x970/0x970 [ 158.822727][ C1] ? perf_output_copy+0x1f0/0x1f0 [ 158.822728][ C1] ? perf_callchain+0x190/0x190 [ 158.822729][ C1] perf_event_output_forward+0xf8/0x1e0 [ 158.822731][ C1] ? perf_prepare_sample+0x1fe0/0x1fe0 [ 158.822732][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 158.822733][ C1] __perf_event_overflow+0x11e/0x380 [ 158.822734][ C1] perf_swevent_hrtimer+0x30e/0x370 [ 158.822735][ C1] ? lock_release+0x47c/0x970 [ 158.822737][ C1] ? __perf_event_overflow+0x380/0x380 [ 158.822738][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 158.822739][ C1] ? lock_is_held_type+0xdf/0x140 [ 158.822741][ C1] ? find_held_lock+0x35/0x130 [ 158.822742][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 158.822743][ C1] ? lock_release+0x47c/0x970 [ 158.822744][ C1] ? lock_downgrade+0x8a0/0x8a0 [ 158.822746][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 158.822747][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 158.822748][ C1] ? lock_is_held_type+0xdf/0x140 [ 158.822749][ C1] ? __perf_event_overflow+0x380/0x380 [ 158.822750][ C1] ? __perf_event_overflow+0x380/0x380 [ 158.822752][ C1] __hrtimer_run_queues+0x1b7/0xc30 [ 158.822753][ C1] ? hrtimer_sleeper_start_expires+0x90/0x90 [ 158.822754][ C1] ? ktime_get_update_offsets_now+0x47/0x240 [ 158.822755][ C1] ? ktime_get_update_offsets_now+0x8c/0x240 [ 158.822757][ C1] hrtimer_interrupt+0x2f3/0x950 [ 158.822758][ C1] __sysvec_apic_timer_interrupt+0x143/0x530 [ 158.822759][ C1] sysvec_apic_timer_interrupt+0x98/0xc0 [ 158.822761][ C1] [ 158.822761][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 158.822763][ C1] RIP: 0010:_raw_spin_unlock_irq+0x4f/0x90 [ 158.822764][ C1] Code: c0 00 05 76 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 35 48 83 3d 6a 73 ca 01 00 74 22 fb 66 0f 1f 44 00 00 01 00 00 00 e8 e7 72 a0 f9 65 8b 05 d0 6c 56 78 85 c0 74 08 4c [ 158.822767][ C1] RSP: 0000:ffffc90003c4fc80 EFLAGS: 00000282 [ 158.822770][ C1] RAX: 1ffffffff12ec0a0 RBX: dffffc0000000000 RCX: 1ffffffff14ffb51 [ 158.822771][ C1] RDX: dffffc0000000000 RSI: ffffffff880b3f20 RDI: ffffffff88516ac0 [ 158.822773][ C1] RBP: ffffc90003c4fc88 R08: 0000000000000001 R09: 0000000000000001 [ 158.822774][ C1] R10: ffffed102232de78 R11: ffff888123a1c8c8 R12: ffff88811196f3c0 [ 158.822776][ C1] R13: 000000000000000b R14: ffff88811196f3c0 R15: ffff88811196f501 [ 158.822777][ C1] get_signal+0x14d5/0x1c70 [ 158.822778][ C1] ? _raw_spin_unlock_irqrestore+0x31/0x90 [ 158.822779][ C1] arch_do_signal_or_restart+0x2b3/0x2620 [ 158.822781][ C1] ? check_preemption_disabled+0x3d/0xe0 [ 158.822782][ C1] ? __bad_area_nosemaphore+0x2fd/0x3b0 [ 158.822783][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 158.822784][ C1] ? lockdep_hardirqs_off+0xa1/0xe0 [ 158.822786][ C1] ? copy_siginfo_to_user32+0xa0/0xa0 [ 158.822787][ C1] ? __bad_area_nosemaphore+0x2fd/0x3b0 [ 158.822788][ C1] ? exit_to_user_mode_prepare+0xe2/0x280 [ 158.822789][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 158.822790][ C1] ? lockdep_hardirqs_on+0x59/0x100 [ 158.822792][ C1] ? exit_to_user_mode_prepare+0xe2/0x280 [ 158.822793][ C1] exit_to_user_mode_prepare+0x207/0x280 [ 158.822794][ C1] irqentry_exit_to_user_mode+0x9/0x30 [ 158.822795][ C1] irqentry_exit+0x63/0x90 [ 158.822796][ C1] exc_page_fault+0x90/0xe0 [ 158.822798][ C1] ? asm_exc_page_fault+0x8/0x30 [ 158.822799][ C1] asm_exc_page_fault+0x1e/0x30 [ 158.822800][ C1] RIP: 0033:0x40a497 [ 158.822802][ 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 [ 158.822805][ C1] RSP: 002b:00007efe8ea1ffc0 EFLAGS: 00010206 [ 158.822807][ C1] RAX: 0000000026f7b028 RBX: 000000000052bf00 RCX: 0000000000415827 [ 158.822808][ C1] RDX: 8cf318e2390c4a4e RSI: 0000000000000000 RDI: 00007efe8ea205f0 [ 158.822810][ C1] RBP: 0000000000000007 R08: 00007efe8ea1ffc0 R09: 0000000000000007 [ 158.822811][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff [ 158.822813][ C1] R13: 00000000004fd358 R14: 00000000004b69b5 R15: 00007efe8ea206bc [ 158.823411][ C0] NMI backtrace for cpu 0 [ 159.460404][ C0] CPU: 0 PID: 6914 Comm: syz-executor.3 Not tainted 5.12.0-syzkaller #0 [ 159.469712][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 159.480194][ C0] Call Trace: [ 159.483466][ C0] [ 159.486519][ C0] dump_stack+0x114/0x14e [ 159.491142][ C0] nmi_cpu_backtrace.cold+0x30/0x9c [ 159.496965][ C0] ? lapic_can_unplug_cpu+0x80/0x80 [ 159.502293][ C0] nmi_trigger_cpumask_backtrace+0x120/0x170 [ 159.508355][ C0] arch_trigger_cpumask_backtrace+0x14/0x20 [ 159.514359][ C0] rcu_dump_cpu_stacks+0x23f/0x360 [ 159.519576][ C0] rcu_sched_clock_irq.cold+0x63/0x6bb [ 159.525048][ C0] ? rcutree_dead_cpu+0x20/0x20 [ 159.530074][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 159.535693][ C0] ? lock_is_held_type+0xdf/0x140 [ 159.540711][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 159.546339][ C0] ? __raise_softirq_irqoff+0x97/0x1e0 [ 159.551969][ C0] update_process_times+0x139/0x1b0 [ 159.557249][ C0] tick_sched_handle+0x77/0x140 [ 159.562094][ C0] ? get_cpu_iowait_time_us+0x330/0x330 [ 159.567859][ C0] tick_sched_timer+0x142/0x230 [ 159.572902][ C0] __hrtimer_run_queues+0x1b7/0xc30 [ 159.578536][ C0] ? hrtimer_sleeper_start_expires+0x90/0x90 [ 159.584717][ C0] ? ktime_get_update_offsets_now+0x47/0x240 [ 159.590862][ C0] ? ktime_get_update_offsets_now+0x8c/0x240 [ 159.596943][ C0] hrtimer_interrupt+0x2f3/0x950 [ 159.602599][ C0] __sysvec_apic_timer_interrupt+0x143/0x530 [ 159.609103][ C0] sysvec_apic_timer_interrupt+0x98/0xc0 [ 159.614746][ C0] [ 159.617739][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 159.623984][ C0] RIP: 0010:lock_acquire+0x654/0x8c0 [ 159.629967][ C0] Code: 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 8b 01 00 00 48 83 3d 05 79 1e 08 00 74 5b fb 66 0f 1f 44 00 00 00 fc ff ff 0f 0b e9 4c fa ff ff 0f 0b 0f 0b 0f 0b e9 d6 fe ff [ 159.650899][ C0] RSP: 0000:ffffc90003bbfd08 EFLAGS: 00000282 [ 159.657410][ C0] RAX: 1ffffffff12ec0a0 RBX: 1ffff92000777fa5 RCX: 00000000f78ed667 [ 159.666454][ C0] RDX: dffffc0000000000 RSI: ffffffff880b44e0 RDI: ffffffff88516ac0 [ 159.674766][ C0] RBP: ffffc90003bbfdf0 R08: 0000000000000000 R09: ffffffff8b296c07 [ 159.683175][ C0] R10: fffffbfff1652d80 R11: 0000000000000000 R12: 0000000000000001 [ 159.691920][ C0] R13: ffff888101709858 R14: 0000000000000001 R15: 0000000000000200 [ 159.700485][ C0] ? lock_acquire+0x23a/0x8c0 [ 159.705343][ C0] ? lock_release+0x970/0x970 [ 159.710823][ C0] ? arch_do_signal_or_restart+0xd1d/0x2620 [ 159.717508][ C0] down_read_trylock+0x18c/0x370 [ 159.722656][ C0] ? do_user_addr_fault+0x18e/0xd70 [ 159.727935][ C0] ? rwsem_spin_on_owner+0x300/0x300 [ 159.733607][ C0] ? do_user_addr_fault+0x366/0xd70 [ 159.739749][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 159.745554][ C0] ? lockdep_hardirqs_on+0x59/0x100 [ 159.751357][ C0] ? do_user_addr_fault+0x366/0xd70 [ 159.757310][ C0] do_user_addr_fault+0x18e/0xd70 [ 159.762886][ C0] ? rcu_read_lock_sched_held+0x41/0xb0 [ 159.768619][ C0] ? irqentry_enter+0x49/0x50 [ 159.773498][ C0] exc_page_fault+0x6f/0xe0 [ 159.778204][ C0] ? asm_exc_page_fault+0x8/0x30 [ 159.783631][ C0] asm_exc_page_fault+0x1e/0x30 [ 159.789795][ C0] RIP: 0033:0x40a497 [ 159.794023][ C0] 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 [ 159.817254][ C0] RSP: 002b:00007f894c988fc0 EFLAGS: 00010206 [ 159.825589][ C0] RAX: 0000000026e2ce28 RBX: 000000000052bf00 RCX: 0000000000415827 [ 159.833593][ C0] RDX: 12d7edfa667d4623 RSI: 0000000000000000 RDI: 00007f894c9895f0 [ 159.842004][ C0] RBP: 0000000000000007 R08: 00007f894c988fc0 R09: 0000000000000007 [ 159.850332][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff [ 159.859404][ C0] R13: 00000000004fd358 R14: 00000000004b69b5 R15: 00007f894c9896bc [ 159.868503][ C0] sched: RT throttling activated