Warning: Permanently added '10.128.0.189' (ED25519) to the list of known hosts. 2023/12/08 12:19:55 fuzzer started 2023/12/08 12:19:55 connecting to host at 10.128.0.169:34267 2023/12/08 12:19:55 checking machine... 2023/12/08 12:19:55 checking revisions... 2023/12/08 12:19:55 testing simple program... [ 73.699169][ T5064] cgroup: Unknown subsys name 'net' [ 73.822781][ T5064] cgroup: Unknown subsys name 'rlimit' [ 75.438414][ T5064] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 75.635039][ T5068] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 75.644698][ T5068] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 75.653008][ T5068] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 75.661534][ T5068] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 75.669936][ T5068] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 75.677883][ T5068] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 75.863884][ T5067] chnl_net:caif_netlink_parms(): no params data found [ 75.949826][ T5067] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.958028][ T5067] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.965762][ T5067] bridge_slave_0: entered allmulticast mode [ 75.973321][ T5067] bridge_slave_0: entered promiscuous mode [ 75.984409][ T5067] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.991697][ T5067] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.999341][ T5067] bridge_slave_1: entered allmulticast mode [ 76.007030][ T5067] bridge_slave_1: entered promiscuous mode [ 76.042084][ T5067] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.055456][ T5067] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.090717][ T5067] team0: Port device team_slave_0 added [ 76.100845][ T5067] team0: Port device team_slave_1 added [ 76.132913][ T5067] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.140145][ T5067] 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. [ 76.166892][ T5067] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.180334][ T5067] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.187514][ T5067] 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. [ 76.213480][ T5067] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.261472][ T5067] hsr_slave_0: entered promiscuous mode [ 76.268126][ T5067] hsr_slave_1: entered promiscuous mode executing program [ 76.437307][ T5067] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.450980][ T5067] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.462822][ T5067] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.475135][ T5067] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.511687][ T5067] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.519148][ T5067] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.527738][ T5067] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.535106][ T5067] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.618387][ T5067] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.639609][ T23] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.650401][ T23] bridge0: port 2(bridge_slave_1) entered disabled state [ 181.711292][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 181.718531][ C0] rcu: 1-...!: (1 GPs behind) idle=e7f4/1/0x4000000000000000 softirq=5883/5884 fqs=1 [ 181.729159][ C0] rcu: (detected by 0, t=10505 jiffies, g=7081, q=17 ncpus=2) [ 181.736817][ C0] Sending NMI from CPU 0 to CPUs 1: [ 181.742079][ C1] NMI backtrace for cpu 1 [ 181.742093][ C1] CPU: 1 PID: 23 Comm: kworker/1:0 Not tainted 6.7.0-rc4-syzkaller-00825-g6b4756beb18f #0 [ 181.742117][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 181.742131][ C1] Workqueue: events linkwatch_event [ 181.742187][ C1] RIP: 0010:write_comp_data+0x35/0x80 [ 181.742216][ C1] Code: 8b 14 25 c0 bc 03 00 65 8b 05 bf 2c 7c 7e a9 00 01 ff 00 74 0f f6 c4 01 74 59 8b 82 fc 15 00 00 85 c0 74 4f 8b 82 d8 15 00 00 <83> f8 03 75 44 48 8b 82 e0 15 00 00 8b 92 dc 15 00 00 48 8b 38 48 [ 181.742235][ C1] RSP: 0018:ffffc900001d7c08 EFLAGS: 00000046 [ 181.742250][ C1] RAX: 0000000000000000 RBX: ffff88806d56c000 RCX: ffffffff8876e04a [ 181.742264][ C1] RDX: ffff888017665940 RSI: 0000000000000000 RDI: 0000000000000001 [ 181.742276][ C1] RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 [ 181.742287][ C1] R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000000001 [ 181.742298][ C1] R13: ffff88806d56c148 R14: 0000000000000000 R15: 0000000000000000 [ 181.742311][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 181.742331][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 181.742345][ C1] CR2: 00007f6856ac35c0 CR3: 000000005765a000 CR4: 00000000003506f0 [ 181.742358][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 181.742370][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 181.742382][ C1] Call Trace: [ 181.742393][ C1] <NMI> [ 181.742401][ C1] ? show_regs+0x8f/0xa0 [ 181.742428][ C1] ? nmi_cpu_backtrace+0x1d4/0x390 [ 181.742453][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 181.742490][ C1] ? nmi_handle+0x1a6/0x570 [ 181.742515][ C1] ? write_comp_data+0x35/0x80 [ 181.742538][ C1] ? default_do_nmi+0x6a/0x160 [ 181.742567][ C1] ? exc_nmi+0x186/0x200 [ 181.742593][ C1] ? end_repeat_nmi+0xf/0x2a [ 181.742618][ C1] ? linkwatch_urgent_event+0x1fa/0x380 [ 181.742645][ C1] ? write_comp_data+0x35/0x80 [ 181.742667][ C1] ? write_comp_data+0x35/0x80 [ 181.742691][ C1] ? write_comp_data+0x35/0x80 [ 181.742713][ C1] </NMI> [ 181.742718][ C1] <TASK> [ 181.742723][ C1] linkwatch_urgent_event+0x1fa/0x380 [ 181.742752][ C1] __linkwatch_run_queue+0xd8/0x460 [ 181.742782][ C1] linkwatch_event+0x8f/0xc0 [ 181.742808][ C1] ? __linkwatch_run_queue+0x460/0x460 [ 181.742835][ C1] ? rcu_is_watching+0x12/0xb0 [ 181.742859][ C1] process_one_work+0x886/0x15d0 [ 181.742892][ C1] ? lock_sync+0x190/0x190 [ 181.742921][ C1] ? workqueue_congested+0x300/0x300 [ 181.742952][ C1] ? assign_work+0x1a0/0x250 [ 181.742977][ C1] worker_thread+0x8b9/0x1290 [ 181.743011][ C1] ? process_one_work+0x15d0/0x15d0 [ 181.743036][ C1] kthread+0x2c6/0x3a0 [ 181.743059][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 181.743082][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 181.743107][ C1] ret_from_fork+0x45/0x80 [ 181.743131][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 181.743156][ C1] ret_from_fork_asm+0x11/0x20 [ 181.743192][ C1] </TASK> [ 181.744075][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g7081 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 182.072147][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 182.082480][ C0] rcu: RCU grace-period kthread stack dump: [ 182.088461][ C0] task:rcu_preempt state:R running task stack:28752 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 182.100230][ C0] Call Trace: [ 182.103521][ C0] <TASK> [ 182.106471][ C0] __schedule+0xedb/0x5af0 [ 182.111037][ C0] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 182.117208][ C0] ? io_schedule_timeout+0x150/0x150 [ 182.122544][ C0] ? schedule+0x1fc/0x270 [ 182.126905][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 182.132309][ C0] ? timer_fixup_activate+0x220/0x220 [ 182.137980][ C0] ? lockdep_init_map_type+0x16d/0x7d0 [ 182.143740][ C0] schedule+0xe9/0x270 [ 182.148106][ C0] schedule_timeout+0x137/0x290 [ 182.153170][ C0] ? usleep_range_state+0x1a0/0x1a0 [ 182.158591][ C0] ? do_init_timer+0x100/0x100 [ 182.163823][ C0] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 182.169842][ C0] ? prepare_to_swait_event+0xf4/0x470 [ 182.177520][ C0] rcu_gp_fqs_loop+0x1ec/0xb10 [ 182.182332][ C0] ? rcu_check_gp_kthread_starvation+0x450/0x450 [ 182.188791][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 182.194502][ C0] rcu_gp_kthread+0x24b/0x380 [ 182.199221][ C0] ? rcu_gp_init+0x1510/0x1510 [ 182.204102][ C0] ? lockdep_hardirqs_on+0x7d/0x110 [ 182.210378][ C0] ? __kthread_parkme+0x14b/0x220 [ 182.215605][ C0] ? rcu_gp_init+0x1510/0x1510 [ 182.220598][ C0] kthread+0x2c6/0x3a0 [ 182.224718][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 182.230069][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 182.235743][ C0] ret_from_fork+0x45/0x80 [ 182.240532][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 182.246191][ C0] ret_from_fork_asm+0x11/0x20 [ 182.251266][ C0] </TASK> [ 182.255056][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 182.261473][ C0] CPU: 0 PID: 48 Comm: kworker/u4:3 Not tainted 6.7.0-rc4-syzkaller-00825-g6b4756beb18f #0 [ 182.271670][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 182.282124][ C0] Workqueue: events_unbound toggle_allocation_gate [ 182.288674][ C0] RIP: 0010:smp_call_function_many_cond+0x4e4/0x1550 [ 182.295378][ C0] Code: 0b 00 85 ed 74 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 f4 4c 89 f5 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 ae 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 [ 182.315633][ C0] RSP: 0018:ffffc90000b8f930 EFLAGS: 00000293 [ 182.321808][ C0] RAX: 0000000000000000 RBX: ffff8880b9941a60 RCX: ffffffff817bd538 [ 182.330318][ C0] RDX: ffff888015aa3b80 RSI: ffffffff817bd512 RDI: 0000000000000005 [ 182.338398][ C0] RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 [ 182.346385][ C0] R10: 0000000000000001 R11: 0000000000000006 R12: ffffed101732834d [ 182.354718][ C0] R13: 0000000000000001 R14: ffff8880b9941a68 R15: ffff8880b983d8c0 [ 182.363637][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 182.372955][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 182.379603][ C0] CR2: 00005596e0572000 CR3: 000000000cd77000 CR4: 00000000003506f0 [ 182.387784][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 182.396043][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 182.404293][ C0] Call Trace: [ 182.407705][ C0] <IRQ> [ 182.410569][ C0] ? show_regs+0x8f/0xa0 [ 182.414858][ C0] ? rcu_check_gp_kthread_starvation+0x317/0x450 [ 182.422173][ C0] ? do_raw_spin_unlock+0x173/0x230 [ 182.427482][ C0] ? rcu_sched_clock_irq+0x2269/0x3150 [ 182.433508][ C0] ? rcu_note_context_switch+0x1ae0/0x1ae0 [ 182.439374][ C0] ? tick_sched_do_timer+0x2e0/0x2e0 [ 182.444950][ C0] ? update_process_times+0x17b/0x220 [ 182.450464][ C0] ? timer_clear_idle+0xa0/0xa0 [ 182.455356][ C0] ? update_wall_time+0x1c/0x40 [ 182.460232][ C0] ? tick_do_update_jiffies64+0x22e/0x380 [ 182.466084][ C0] ? tick_sched_handle+0x8e/0x170 [ 182.471152][ C0] ? tick_nohz_highres_handler+0xe9/0x110 [ 182.477084][ C0] ? __hrtimer_run_queues+0x647/0xc20 [ 182.482508][ C0] ? enqueue_hrtimer+0x310/0x310 [ 182.488130][ C0] ? ktime_get_update_offsets_now+0x3bc/0x610 [ 182.494393][ C0] ? hrtimer_interrupt+0x31b/0x800 [ 182.499573][ C0] ? __sysvec_apic_timer_interrupt+0x105/0x400 [ 182.505761][ C0] ? sysvec_apic_timer_interrupt+0x90/0xb0 [ 182.511868][ C0] </IRQ> [ 182.514898][ C0] <TASK> [ 182.517882][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 182.524118][ C0] ? smp_call_function_many_cond+0x508/0x1550 [ 182.530273][ C0] ? smp_call_function_many_cond+0x4e2/0x1550 [ 182.536476][ C0] ? smp_call_function_many_cond+0x4e4/0x1550 [ 182.542721][ C0] ? __text_poke+0xca0/0xca0 [ 182.547405][ C0] ? __kmem_cache_alloc_node+0xc3/0x310 [ 182.553015][ C0] ? generic_smp_call_function_single_interrupt+0x20/0x20 [ 182.560565][ C0] ? apply_relocation+0x830/0x830 [ 182.565807][ C0] ? __text_poke+0xca0/0xca0 [ 182.570463][ C0] on_each_cpu_cond_mask+0x40/0x90 [ 182.575705][ C0] text_poke_bp_batch+0x22b/0x750 [ 182.580937][ C0] ? arch_jump_label_transform_apply+0x17/0x30 [ 182.587136][ C0] ? alternatives_enable_smp+0x400/0x400 [ 182.592824][ C0] ? __jump_label_patch+0x1db/0x400 [ 182.598352][ C0] ? text_poke_queue+0xef/0x180 [ 182.603331][ C0] ? arch_jump_label_transform_queue+0xc0/0x110 [ 182.609618][ C0] text_poke_finish+0x30/0x40 [ 182.614328][ C0] arch_jump_label_transform_apply+0x1c/0x30 [ 182.620554][ C0] jump_label_update+0x1d7/0x400 [ 182.625750][ C0] static_key_enable_cpuslocked+0x1b7/0x270 [ 182.631775][ C0] static_key_enable+0x1a/0x20 [ 182.639731][ C0] toggle_allocation_gate+0xf4/0x250 [ 182.645278][ C0] ? wake_up_kfence_timer+0x30/0x30 [ 182.650804][ C0] process_one_work+0x886/0x15d0 [ 182.656943][ C0] ? lock_sync+0x190/0x190 [ 182.661828][ C0] ? workqueue_congested+0x300/0x300 [ 182.667166][ C0] ? assign_work+0x1a0/0x250 [ 182.671900][ C0] worker_thread+0x8b9/0x1290 [ 182.676707][ C0] ? process_one_work+0x15d0/0x15d0 [ 182.682003][ C0] kthread+0x2c6/0x3a0 [ 182.686180][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 182.691490][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 182.697150][ C0] ret_from_fork+0x45/0x80 [ 182.701589][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 182.707268][ C0] ret_from_fork_asm+0x11/0x20 [ 182.712251][ C0] </TASK>