Warning: Permanently added '10.128.0.182' (ED25519) to the list of known hosts. 2023/12/08 19:28:32 fuzzer started 2023/12/08 19:28:32 connecting to host at 10.128.0.169:36581 2023/12/08 19:28:32 checking machine... 2023/12/08 19:28:32 checking revisions... 2023/12/08 19:28:32 testing simple program... [ 71.508433][ T5065] cgroup: Unknown subsys name 'net' [ 71.634164][ T5065] cgroup: Unknown subsys name 'rlimit' [ 73.237411][ T5065] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 73.437650][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 73.446255][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 73.454420][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 73.462457][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 73.470911][ T50] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 73.478683][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 73.656796][ T5068] chnl_net:caif_netlink_parms(): no params data found [ 73.738341][ T5068] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.745712][ T5068] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.753100][ T5068] bridge_slave_0: entered allmulticast mode [ 73.761177][ T5068] bridge_slave_0: entered promiscuous mode [ 73.771391][ T5068] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.778691][ T5068] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.785975][ T5068] bridge_slave_1: entered allmulticast mode [ 73.793069][ T5068] bridge_slave_1: entered promiscuous mode [ 73.826710][ T5068] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.839285][ T5068] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.876861][ T5068] team0: Port device team_slave_0 added [ 73.886479][ T5068] team0: Port device team_slave_1 added [ 73.917752][ T5068] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.924904][ 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. [ 73.951253][ T5068] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.965441][ T5068] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.972490][ 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. [ 73.999196][ T5068] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 74.048186][ T5068] hsr_slave_0: entered promiscuous mode [ 74.054902][ T5068] hsr_slave_1: entered promiscuous mode [ 74.215203][ T5068] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.227793][ T5068] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.238480][ T5068] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.249361][ T5068] netdevsim netdevsim0 netdevsim3: renamed from eth3 executing program [ 74.282901][ T5068] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.290276][ T5068] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.298881][ T5068] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.306069][ T5068] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.386972][ T5068] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.408176][ T5079] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.418015][ T5079] bridge0: port 2(bridge_slave_1) entered disabled state [ 179.483365][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 179.490500][ C0] rcu: 1-...!: (1 GPs behind) idle=33f4/1/0x4000000000000000 softirq=6266/6267 fqs=1 [ 179.500833][ C0] rcu: (detected by 0, t=10506 jiffies, g=6973, q=59 ncpus=2) [ 179.508436][ C0] Sending NMI from CPU 0 to CPUs 1: [ 179.513670][ C1] NMI backtrace for cpu 1 [ 179.513682][ C1] CPU: 1 PID: 5079 Comm: kworker/1:3 Not tainted 6.7.0-rc4-syzkaller-00837-gcf02bea7c171 #0 [ 179.513705][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 179.513719][ C1] Workqueue: events linkwatch_event [ 179.513776][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x34/0x60 [ 179.513807][ C1] Code: bc 03 00 65 8b 05 f4 26 7c 7e a9 00 01 ff 00 48 8b 34 24 74 0f f6 c4 01 74 35 8b 82 fc 15 00 00 85 c0 74 2b 8b 82 d8 15 00 00 <83> f8 02 75 20 48 8b 8a e0 15 00 00 8b 92 dc 15 00 00 48 8b 01 48 [ 179.513826][ C1] RSP: 0018:ffffc9000414fc08 EFLAGS: 00000046 [ 179.513841][ C1] RAX: 0000000000000000 RBX: ffff88806972e000 RCX: ffffffff8876dd28 [ 179.513855][ C1] RDX: ffff88801ce05940 RSI: ffffffff8876dd32 RDI: 0000000000000001 [ 179.513868][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 179.513880][ C1] R10: 0000000000000000 R11: 0000000000000003 R12: 00000000000000bd [ 179.513891][ C1] R13: ffff88806972e148 R14: ffff88806972e000 R15: ffff88806972e6b0 [ 179.513905][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 179.513925][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 179.513939][ C1] CR2: 0000555aa185a000 CR3: 0000000069d8c000 CR4: 00000000003506f0 [ 179.513952][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 179.513963][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 179.513975][ C1] Call Trace: [ 179.513985][ C1] [ 179.513994][ C1] ? show_regs+0x8f/0xa0 [ 179.514020][ C1] ? nmi_cpu_backtrace+0x1d4/0x390 [ 179.514047][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 179.514077][ C1] ? nmi_handle+0x1a6/0x570 [ 179.514101][ C1] ? __sanitizer_cov_trace_pc+0x34/0x60 [ 179.514126][ C1] ? default_do_nmi+0x6a/0x160 [ 179.514154][ C1] ? exc_nmi+0x186/0x200 [ 179.514180][ C1] ? end_repeat_nmi+0xf/0x2a [ 179.514205][ C1] ? linkwatch_urgent_event+0x58/0x380 [ 179.514230][ C1] ? linkwatch_urgent_event+0x62/0x380 [ 179.514257][ C1] ? __sanitizer_cov_trace_pc+0x34/0x60 [ 179.514281][ C1] ? __sanitizer_cov_trace_pc+0x34/0x60 [ 179.514307][ C1] ? __sanitizer_cov_trace_pc+0x34/0x60 [ 179.514331][ C1] [ 179.514337][ C1] [ 179.514342][ C1] linkwatch_urgent_event+0x62/0x380 [ 179.514376][ C1] __linkwatch_run_queue+0xd8/0x460 [ 179.514405][ C1] linkwatch_event+0x8f/0xc0 [ 179.514430][ C1] ? __linkwatch_run_queue+0x460/0x460 [ 179.514458][ C1] ? rcu_is_watching+0x12/0xb0 [ 179.514481][ C1] process_one_work+0x886/0x15d0 [ 179.514512][ C1] ? lock_sync+0x190/0x190 [ 179.514541][ C1] ? workqueue_congested+0x300/0x300 [ 179.514572][ C1] ? assign_work+0x1a0/0x250 [ 179.514597][ C1] worker_thread+0x8b9/0x1290 [ 179.514630][ C1] ? process_one_work+0x15d0/0x15d0 [ 179.514663][ C1] kthread+0x2c6/0x3a0 [ 179.514685][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 179.514708][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 179.514733][ C1] ret_from_fork+0x45/0x80 [ 179.514757][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 179.514781][ C1] ret_from_fork_asm+0x11/0x20 [ 179.514816][ C1] [ 179.515665][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g6973 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 179.833479][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 179.843899][ C0] rcu: RCU grace-period kthread stack dump: [ 179.849878][ C0] task:rcu_preempt state:R running task stack:28752 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 179.861657][ C0] Call Trace: [ 179.864950][ C0] [ 179.867896][ C0] __schedule+0xedb/0x5af0 [ 179.872351][ C0] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 179.878380][ C0] ? io_schedule_timeout+0x150/0x150 [ 179.883692][ C0] ? schedule+0x1fc/0x270 [ 179.888065][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 179.893561][ C0] ? timer_fixup_activate+0x220/0x220 [ 179.898974][ C0] ? lockdep_init_map_type+0x16d/0x7d0 [ 179.904556][ C0] schedule+0xe9/0x270 [ 179.908696][ C0] schedule_timeout+0x137/0x290 [ 179.913567][ C0] ? usleep_range_state+0x1a0/0x1a0 [ 179.918783][ C0] ? do_init_timer+0x100/0x100 [ 179.923576][ C0] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 179.929400][ C0] ? prepare_to_swait_event+0xf4/0x470 [ 179.934892][ C0] rcu_gp_fqs_loop+0x1ec/0xb10 [ 179.939710][ C0] ? rcu_check_gp_kthread_starvation+0x450/0x450 [ 179.946072][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 179.951486][ C0] rcu_gp_kthread+0x24b/0x380 [ 179.956185][ C0] ? rcu_gp_init+0x1510/0x1510 [ 179.960974][ C0] ? lockdep_hardirqs_on+0x7d/0x110 [ 179.966719][ C0] ? __kthread_parkme+0x14b/0x220 [ 179.971765][ C0] ? rcu_gp_init+0x1510/0x1510 [ 179.976552][ C0] kthread+0x2c6/0x3a0 [ 179.980641][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 179.985857][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 179.991542][ C0] ret_from_fork+0x45/0x80 [ 179.995982][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 180.001635][ C0] ret_from_fork_asm+0x11/0x20 [ 180.006440][ C0] [ 180.009469][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 180.015824][ C0] CPU: 0 PID: 956 Comm: kworker/u4:5 Not tainted 6.7.0-rc4-syzkaller-00837-gcf02bea7c171 #0 [ 180.025992][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 180.036233][ C0] Workqueue: events_unbound toggle_allocation_gate [ 180.042768][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x34/0x60 [ 180.048958][ C0] Code: bc 03 00 65 8b 05 f4 26 7c 7e a9 00 01 ff 00 48 8b 34 24 74 0f f6 c4 01 74 35 8b 82 fc 15 00 00 85 c0 74 2b 8b 82 d8 15 00 00 <83> f8 02 75 20 48 8b 8a e0 15 00 00 8b 92 dc 15 00 00 48 8b 01 48 [ 180.068754][ C0] RSP: 0018:ffffc90004377928 EFLAGS: 00000246 [ 180.074840][ C0] RAX: 0000000000000000 RBX: ffff8880b9941a60 RCX: ffffffff817bd538 [ 180.082821][ C0] RDX: ffff88801d9f8000 RSI: ffffffff817bd512 RDI: 0000000000000005 [ 180.090827][ C0] RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 [ 180.098813][ C0] R10: 0000000000000001 R11: 0000000000000006 R12: ffffed101732834d [ 180.106793][ C0] R13: 0000000000000001 R14: ffff8880b9941a68 R15: ffff8880b983d8c0 [ 180.114776][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 180.123741][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 180.130336][ C0] CR2: 00007ffdc679fff8 CR3: 000000000cd77000 CR4: 00000000003506f0 [ 180.138322][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 180.146308][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 180.154378][ C0] Call Trace: [ 180.157667][ C0] [ 180.160520][ C0] ? show_regs+0x8f/0xa0 [ 180.164788][ C0] ? rcu_check_gp_kthread_starvation+0x317/0x450 [ 180.171152][ C0] ? do_raw_spin_unlock+0x173/0x230 [ 180.176457][ C0] ? rcu_sched_clock_irq+0x2269/0x3150 [ 180.181969][ C0] ? rcu_note_context_switch+0x1ae0/0x1ae0 [ 180.187817][ C0] ? hrtimer_run_queues+0x97/0x440 [ 180.192986][ C0] ? rcu_read_lock_sched_held+0x3a/0x70 [ 180.198549][ C0] ? tick_sched_do_timer+0x2e0/0x2e0 [ 180.203851][ C0] ? update_process_times+0x17b/0x220 [ 180.209246][ C0] ? timer_clear_idle+0xa0/0xa0 [ 180.214124][ C0] ? update_wall_time+0x1c/0x40 [ 180.218994][ C0] ? tick_sched_handle+0x8e/0x170 [ 180.224038][ C0] ? tick_nohz_highres_handler+0xe9/0x110 [ 180.229777][ C0] ? __hrtimer_run_queues+0x647/0xc20 [ 180.235179][ C0] ? enqueue_hrtimer+0x310/0x310 [ 180.240141][ C0] ? ktime_get_update_offsets_now+0x3bc/0x610 [ 180.246235][ C0] ? hrtimer_interrupt+0x31b/0x800 [ 180.251375][ C0] ? __sysvec_apic_timer_interrupt+0x105/0x400 [ 180.257554][ C0] ? sysvec_apic_timer_interrupt+0x90/0xb0 [ 180.263422][ C0] [ 180.266380][ C0] [ 180.269332][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 180.275582][ C0] ? smp_call_function_many_cond+0x508/0x1550 [ 180.281679][ C0] ? smp_call_function_many_cond+0x4e2/0x1550 [ 180.287766][ C0] ? __sanitizer_cov_trace_pc+0x34/0x60 [ 180.293350][ C0] smp_call_function_many_cond+0x4e2/0x1550 [ 180.299273][ C0] ? __text_poke+0xca0/0xca0 [ 180.303986][ C0] ? __kmem_cache_alloc_node+0xc3/0x310 [ 180.309560][ C0] ? generic_smp_call_function_single_interrupt+0x20/0x20 [ 180.316703][ C0] ? apply_relocation+0x830/0x830 [ 180.321773][ C0] ? __text_poke+0xca0/0xca0 [ 180.326412][ C0] on_each_cpu_cond_mask+0x40/0x90 [ 180.331952][ C0] text_poke_bp_batch+0x22b/0x750 [ 180.337027][ C0] ? arch_jump_label_transform_apply+0x17/0x30 [ 180.343414][ C0] ? alternatives_enable_smp+0x400/0x400 [ 180.349082][ C0] ? __jump_label_patch+0x1db/0x400 [ 180.354320][ C0] ? text_poke_queue+0xef/0x180 [ 180.359194][ C0] ? arch_jump_label_transform_queue+0xc0/0x110 [ 180.365522][ C0] text_poke_finish+0x30/0x40 [ 180.370240][ C0] arch_jump_label_transform_apply+0x1c/0x30 [ 180.376276][ C0] jump_label_update+0x1d7/0x400 [ 180.381357][ C0] static_key_enable_cpuslocked+0x1b7/0x270 [ 180.387314][ C0] static_key_enable+0x1a/0x20 [ 180.392205][ C0] toggle_allocation_gate+0xf4/0x250 [ 180.397521][ C0] ? wake_up_kfence_timer+0x30/0x30 [ 180.402755][ C0] process_one_work+0x886/0x15d0 [ 180.407986][ C0] ? lock_sync+0x190/0x190 [ 180.412428][ C0] ? workqueue_congested+0x300/0x300 [ 180.417749][ C0] ? assign_work+0x1a0/0x250 [ 180.422366][ C0] worker_thread+0x8b9/0x1290 [ 180.427165][ C0] ? __kthread_parkme+0x14b/0x220 [ 180.432221][ C0] ? process_one_work+0x15d0/0x15d0 [ 180.437454][ C0] kthread+0x2c6/0x3a0 [ 180.441544][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 180.446847][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 180.452499][ C0] ret_from_fork+0x45/0x80 [ 180.456933][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 180.462584][ C0] ret_from_fork_asm+0x11/0x20 [ 180.467389][ C0]