Warning: Permanently added '10.128.10.20' (ED25519) to the list of known hosts. 2023/12/07 11:57:40 fuzzer started 2023/12/07 11:57:40 connecting to host at 10.128.0.169:37293 2023/12/07 11:57:40 checking machine... 2023/12/07 11:57:40 checking revisions... 2023/12/07 11:57:40 testing simple program... [ 74.921683][ T5064] cgroup: Unknown subsys name 'net' [ 75.043501][ T5064] cgroup: Unknown subsys name 'rlimit' [ 76.622064][ T5064] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 76.817438][ T5070] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 76.826243][ T5070] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 76.834781][ T5070] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 76.843457][ T5070] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 76.852954][ T5070] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 76.860553][ T5070] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 77.040247][ T5068] chnl_net:caif_netlink_parms(): no params data found [ 77.121560][ T5068] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.129193][ T5068] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.136805][ T5068] bridge_slave_0: entered allmulticast mode [ 77.143940][ T5068] bridge_slave_0: entered promiscuous mode [ 77.154657][ T5068] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.162213][ T5068] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.169591][ T5068] bridge_slave_1: entered allmulticast mode [ 77.176950][ T5068] bridge_slave_1: entered promiscuous mode [ 77.211557][ T5068] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.225024][ T5068] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.261431][ T5068] team0: Port device team_slave_0 added [ 77.271318][ T5068] team0: Port device team_slave_1 added [ 77.303359][ T5068] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.310891][ T5068] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 77.337771][ T5068] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.351709][ T5068] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.359015][ T5068] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 77.385223][ T5068] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.433346][ T5068] hsr_slave_0: entered promiscuous mode [ 77.440901][ T5068] hsr_slave_1: entered promiscuous mode [ 77.599773][ T5068] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.613185][ T5068] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.623943][ T5068] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.635632][ T5068] netdevsim netdevsim0 netdevsim3: renamed from eth3 executing program [ 77.670725][ T5068] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.678213][ T5068] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.686386][ T5068] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.693817][ T5068] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.774332][ T5068] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.797970][ T781] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.807150][ T781] bridge0: port 2(bridge_slave_1) entered disabled state [ 182.857933][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 182.865253][ C0] rcu: 1-...!: (0 ticks this GP) idle=8c6c/1/0x4000000000000000 softirq=6760/6762 fqs=4 [ 182.875981][ C0] rcu: (detected by 0, t=10502 jiffies, g=7321, q=38 ncpus=2) [ 182.883546][ C0] Sending NMI from CPU 0 to CPUs 1: [ 182.888953][ C1] NMI backtrace for cpu 1 [ 182.888963][ C1] CPU: 1 PID: 781 Comm: kworker/1:2 Not tainted 6.7.0-rc3-syzkaller-00809-gd5449d59f10e #0 [ 182.888986][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 182.888999][ C1] Workqueue: events linkwatch_event [ 182.889054][ C1] RIP: 0010:__linkwatch_run_queue+0x1bc/0x460 [ 182.889083][ C1] Code: f9 48 89 d8 48 c1 e8 03 80 3c 28 00 0f 85 61 02 00 00 4c 8d 7b 08 48 8b 13 4c 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 32 02 00 00 <48> 8d 7a 08 4c 8b 6b 08 48 89 f9 48 c1 e9 03 80 3c 29 00 0f 85 05 [ 182.889103][ C1] RSP: 0018:ffffc9000449fc50 EFLAGS: 00000046 [ 182.889118][ C1] RAX: 1ffff1100d57b4d6 RBX: ffff88806abda6a8 RCX: ffffffff8876a0e9 [ 182.889132][ C1] RDX: ffff88806a9746a8 RSI: ffffffff8876a0f3 RDI: 0000000000000001 [ 182.889145][ C1] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 182.889157][ C1] R10: 0000000000000001 R11: 0000000000000003 R12: 00000000000000bd [ 182.889169][ C1] R13: 0000000000000001 R14: ffff88806abda000 R15: ffff88806abda6b0 [ 182.889182][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 182.889203][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 182.889217][ C1] CR2: 0000562a2dccff98 CR3: 0000000026f88000 CR4: 00000000003506f0 [ 182.889230][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 182.889241][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 182.889253][ C1] Call Trace: [ 182.889261][ C1] [ 182.889269][ C1] ? show_regs+0x8f/0xa0 [ 182.889294][ C1] ? nmi_cpu_backtrace+0x1d4/0x390 [ 182.889325][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 182.889354][ C1] ? nmi_handle+0x1a6/0x570 [ 182.889379][ C1] ? __linkwatch_run_queue+0x1bc/0x460 [ 182.889406][ C1] ? default_do_nmi+0x6a/0x160 [ 182.889434][ C1] ? exc_nmi+0x186/0x200 [ 182.889460][ C1] ? end_repeat_nmi+0xf/0x2a [ 182.889484][ C1] ? __linkwatch_run_queue+0x189/0x460 [ 182.889510][ C1] ? __linkwatch_run_queue+0x193/0x460 [ 182.889537][ C1] ? __linkwatch_run_queue+0x1bc/0x460 [ 182.889564][ C1] ? __linkwatch_run_queue+0x1bc/0x460 [ 182.889592][ C1] ? __linkwatch_run_queue+0x1bc/0x460 [ 182.889620][ C1] [ 182.889625][ C1] [ 182.889633][ C1] linkwatch_event+0x8f/0xc0 [ 182.889659][ C1] ? __linkwatch_run_queue+0x460/0x460 [ 182.889686][ C1] ? rcu_is_watching+0x12/0xb0 [ 182.889710][ C1] process_one_work+0x886/0x15d0 [ 182.889742][ C1] ? lock_sync+0x190/0x190 [ 182.889770][ C1] ? workqueue_congested+0x300/0x300 [ 182.889802][ C1] ? assign_work+0x1a0/0x250 [ 182.889828][ C1] worker_thread+0x8b9/0x1290 [ 182.889860][ C1] ? __kthread_parkme+0x14b/0x220 [ 182.889883][ C1] ? process_one_work+0x15d0/0x15d0 [ 182.889910][ C1] kthread+0x2c6/0x3a0 [ 182.889932][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 182.889954][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 182.889980][ C1] ret_from_fork+0x45/0x80 [ 182.890004][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 182.890029][ C1] ret_from_fork_asm+0x11/0x20 [ 182.890064][ C1] [ 182.890947][ C0] rcu: rcu_preempt kthread starved for 10494 jiffies! g7321 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 183.209913][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 183.220465][ C0] rcu: RCU grace-period kthread stack dump: [ 183.226537][ C0] task:rcu_preempt state:R running task stack:28752 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 183.238763][ C0] Call Trace: [ 183.242064][ C0] [ 183.245026][ C0] __schedule+0xedb/0x5af0 [ 183.249573][ C0] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 183.255605][ C0] ? io_schedule_timeout+0x150/0x150 [ 183.261176][ C0] ? schedule+0x1fc/0x270 [ 183.265536][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 183.270943][ C0] ? timer_fixup_activate+0x220/0x220 [ 183.276361][ C0] ? lockdep_init_map_type+0x16d/0x7d0 [ 183.282554][ C0] schedule+0xe9/0x270 [ 183.286650][ C0] schedule_timeout+0x137/0x290 [ 183.291695][ C0] ? usleep_range_state+0x1a0/0x1a0 [ 183.297003][ C0] ? do_init_timer+0x100/0x100 [ 183.301806][ C0] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 183.307635][ C0] ? prepare_to_swait_event+0xf4/0x470 [ 183.313127][ C0] rcu_gp_fqs_loop+0x1ec/0xb10 [ 183.318009][ C0] ? rcu_check_gp_kthread_starvation+0x450/0x450 [ 183.324641][ C0] ? _raw_spin_unlock_irqrestore+0x4e/0x70 [ 183.330481][ C0] rcu_gp_kthread+0x24b/0x380 [ 183.335363][ C0] ? rcu_gp_init+0x1510/0x1510 [ 183.340177][ C0] ? lockdep_hardirqs_on+0x7d/0x110 [ 183.345406][ C0] ? __kthread_parkme+0x14b/0x220 [ 183.350541][ C0] ? rcu_gp_init+0x1510/0x1510 [ 183.355334][ C0] kthread+0x2c6/0x3a0 [ 183.359535][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 183.364757][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 183.370413][ C0] ret_from_fork+0x45/0x80 [ 183.374937][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 183.380766][ C0] ret_from_fork_asm+0x11/0x20 [ 183.385570][ C0] [ 183.388685][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 183.395009][ C0] CPU: 0 PID: 48 Comm: kworker/u4:3 Not tainted 6.7.0-rc3-syzkaller-00809-gd5449d59f10e #0 [ 183.405519][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 183.416102][ C0] Workqueue: events_unbound toggle_allocation_gate [ 183.422665][ C0] RIP: 0010:smp_call_function_many_cond+0x501/0x1550 [ 183.429448][ C0] Code: 49 01 c4 83 c5 03 e8 8e c0 0b 00 f3 90 41 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 24 0e 00 00 8b 43 08 31 ff 83 e0 01 41 89 c5 <89> c6 e8 d8 bb 0b 00 45 85 ed 75 d0 e8 5e c0 0b 00 e8 59 c0 0b 00 [ 183.449744][ C0] RSP: 0018:ffffc90000b8f930 EFLAGS: 00000202 [ 183.455837][ C0] RAX: 0000000000000001 RBX: ffff8880b9941a60 RCX: ffffffff817bd1e8 [ 183.463938][ C0] RDX: ffff888015ad9dc0 RSI: ffffffff817bd1c2 RDI: 0000000000000000 [ 183.472120][ C0] RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 [ 183.480190][ C0] R10: 0000000000000001 R11: 0000000000000006 R12: ffffed101732834d [ 183.488280][ C0] R13: 0000000000000001 R14: ffff8880b9941a68 R15: ffff8880b983d8c0 [ 183.496779][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 183.505910][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 183.512625][ C0] CR2: 000055a6eaa90000 CR3: 000000000cd77000 CR4: 00000000003506f0 [ 183.520880][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 183.528973][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 183.537041][ C0] Call Trace: [ 183.540768][ C0] [ 183.543760][ C0] ? show_regs+0x8f/0xa0 [ 183.548036][ C0] ? rcu_check_gp_kthread_starvation+0x317/0x450 [ 183.554432][ C0] ? do_raw_spin_unlock+0x173/0x230 [ 183.559865][ C0] ? rcu_sched_clock_irq+0x2269/0x3150 [ 183.565389][ C0] ? rcu_note_context_switch+0x1ae0/0x1ae0 [ 183.571333][ C0] ? hrtimer_run_queues+0x97/0x440 [ 183.576581][ C0] ? rcu_read_lock_sched_held+0x3a/0x70 [ 183.582272][ C0] ? tick_sched_do_timer+0x2e0/0x2e0 [ 183.587750][ C0] ? update_process_times+0x17b/0x220 [ 183.593282][ C0] ? timer_clear_idle+0xa0/0xa0 [ 183.598161][ C0] ? update_wall_time+0x1c/0x40 [ 183.603036][ C0] ? tick_sched_handle+0x8e/0x170 [ 183.608084][ C0] ? tick_nohz_highres_handler+0xe9/0x110 [ 183.613919][ C0] ? __hrtimer_run_queues+0x647/0xc20 [ 183.619421][ C0] ? enqueue_hrtimer+0x310/0x310 [ 183.624386][ C0] ? ktime_get_update_offsets_now+0x3bc/0x610 [ 183.630696][ C0] ? hrtimer_interrupt+0x31b/0x800 [ 183.635838][ C0] ? __sysvec_apic_timer_interrupt+0x105/0x400 [ 183.642108][ C0] ? sysvec_apic_timer_interrupt+0x90/0xb0 [ 183.648302][ C0] [ 183.651339][ C0] [ 183.654434][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 183.660622][ C0] ? smp_call_function_many_cond+0x508/0x1550 [ 183.667611][ C0] ? smp_call_function_many_cond+0x4e2/0x1550 [ 183.673787][ C0] ? smp_call_function_many_cond+0x501/0x1550 [ 183.680181][ C0] ? __text_poke+0xca0/0xca0 [ 183.684803][ C0] ? __kmem_cache_alloc_node+0xc3/0x310 [ 183.690471][ C0] ? generic_smp_call_function_single_interrupt+0x20/0x20 [ 183.697608][ C0] ? apply_relocation+0x830/0x830 [ 183.702657][ C0] ? __text_poke+0xca0/0xca0 [ 183.707583][ C0] on_each_cpu_cond_mask+0x40/0x90 [ 183.713601][ C0] text_poke_bp_batch+0x22b/0x750 [ 183.718998][ C0] ? arch_jump_label_transform_apply+0x17/0x30 [ 183.726341][ C0] ? alternatives_enable_smp+0x400/0x400 [ 183.732109][ C0] ? __jump_label_patch+0x1db/0x400 [ 183.737441][ C0] ? text_poke_queue+0xef/0x180 [ 183.742448][ C0] ? arch_jump_label_transform_queue+0xc0/0x110 [ 183.748916][ C0] text_poke_finish+0x30/0x40 [ 183.753797][ C0] arch_jump_label_transform_apply+0x1c/0x30 [ 183.760018][ C0] jump_label_update+0x1d7/0x400 [ 183.765074][ C0] static_key_enable_cpuslocked+0x1b7/0x270 [ 183.771090][ C0] static_key_enable+0x1a/0x20 [ 183.775996][ C0] toggle_allocation_gate+0xf4/0x250 [ 183.781336][ C0] ? wake_up_kfence_timer+0x30/0x30 [ 183.786570][ C0] process_one_work+0x886/0x15d0 [ 183.791643][ C0] ? lock_sync+0x190/0x190 [ 183.796111][ C0] ? workqueue_congested+0x300/0x300 [ 183.801635][ C0] ? assign_work+0x1a0/0x250 [ 183.806252][ C0] worker_thread+0x8b9/0x1290 [ 183.811000][ C0] ? process_one_work+0x15d0/0x15d0 [ 183.816220][ C0] kthread+0x2c6/0x3a0 [ 183.820310][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 183.825526][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 183.831351][ C0] ret_from_fork+0x45/0x80 [ 183.835785][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 183.841437][ C0] ret_from_fork_asm+0x11/0x20 [ 183.846239][ C0]