Warning: Permanently added '10.128.0.158' (ED25519) to the list of known hosts. 2023/12/07 18:35:16 fuzzer started 2023/12/07 18:35:16 connecting to host at 10.128.0.169:36993 2023/12/07 18:35:16 checking machine... 2023/12/07 18:35:16 checking revisions... 2023/12/07 18:35:16 testing simple program... [ 68.375795][ T5061] cgroup: Unknown subsys name 'net' [ 68.518678][ T5061] cgroup: Unknown subsys name 'rlimit' [ 70.100590][ T5061] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 70.289993][ T5067] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 70.297727][ T5067] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 70.305713][ T5067] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 70.313714][ T5067] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 70.321667][ T5067] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 70.329060][ T5067] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 70.504171][ T5065] chnl_net:caif_netlink_parms(): no params data found [ 70.582212][ T5065] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.589570][ T5065] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.596849][ T5065] bridge_slave_0: entered allmulticast mode [ 70.603984][ T5065] bridge_slave_0: entered promiscuous mode [ 70.613588][ T5065] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.621087][ T5065] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.628267][ T5065] bridge_slave_1: entered allmulticast mode [ 70.636333][ T5065] bridge_slave_1: entered promiscuous mode [ 70.670534][ T5065] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.682535][ T5065] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.718329][ T5065] team0: Port device team_slave_0 added [ 70.726770][ T5065] team0: Port device team_slave_1 added [ 70.756937][ T5065] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.763953][ T5065] 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. [ 70.790502][ T5065] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.803716][ T5065] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.810765][ T5065] 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. [ 70.836799][ T5065] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.884115][ T5065] hsr_slave_0: entered promiscuous mode [ 70.891214][ T5065] hsr_slave_1: entered promiscuous mode [ 71.043881][ T5065] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.057313][ T5065] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.069410][ T5065] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.079982][ T5065] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.114249][ T5065] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.121543][ T5065] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.129999][ T5065] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.137146][ T5065] bridge0: port 1(bridge_slave_0) entered forwarding state executing program [ 71.210812][ T5065] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.232604][ T23] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.241311][ T23] bridge0: port 2(bridge_slave_1) entered disabled state [ 176.268478][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 176.275574][ C0] rcu: 1-...!: (1 GPs behind) idle=e36c/1/0x4000000000000000 softirq=6765/6766 fqs=2 [ 176.285746][ C0] rcu: (detected by 0, t=10502 jiffies, g=6873, q=62 ncpus=2) [ 176.293308][ C0] Sending NMI from CPU 0 to CPUs 1: [ 176.298526][ C1] NMI backtrace for cpu 1 [ 176.298537][ C1] CPU: 1 PID: 23 Comm: kworker/1:0 Not tainted 6.7.0-rc3-syzkaller-00812-g87e839c82cc3 #0 [ 176.298558][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 176.298571][ C1] Workqueue: events linkwatch_event [ 176.298620][ C1] RIP: 0010:__linkwatch_run_queue+0x29d/0x460 [ 176.298649][ C1] Code: c2 a0 b8 aa 8e 48 89 df 4c 89 f6 e8 3d f3 f1 fb 31 ff 89 c6 88 44 24 08 e8 90 eb 10 f9 0f b6 44 24 08 84 c0 0f 84 91 fe ff ff 4e f0 10 f9 48 89 d8 48 89 1d 9c 16 34 06 48 c1 e8 03 80 3c 28 [ 176.298667][ C1] RSP: 0018:ffffc900001d7c50 EFLAGS: 00000002 [ 176.298682][ C1] RAX: 0000000000000001 RBX: ffff888019f866a8 RCX: ffffffff8876a1f0 [ 176.298695][ C1] RDX: ffff888017e7d940 RSI: 0000000000000000 RDI: 0000000000000001 [ 176.298708][ C1] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 176.298720][ C1] R10: 0000000000000001 R11: 0000000000000003 R12: 00000000000000bd [ 176.298737][ C1] R13: 0000000000000001 R14: ffff88807ad406a8 R15: ffff888019f866b0 [ 176.298750][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 176.298770][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 176.298784][ C1] CR2: 00007ff5dad00040 CR3: 0000000026d7f000 CR4: 00000000003506f0 [ 176.298797][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 176.298809][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 176.298821][ C1] Call Trace: [ 176.298827][ C1] [ 176.298836][ C1] ? show_regs+0x8f/0xa0 [ 176.298861][ C1] ? nmi_cpu_backtrace+0x1d4/0x390 [ 176.298886][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 176.298915][ C1] ? nmi_handle+0x1a6/0x570 [ 176.298940][ C1] ? __linkwatch_run_queue+0x29d/0x460 [ 176.298968][ C1] ? default_do_nmi+0x6a/0x160 [ 176.298996][ C1] ? exc_nmi+0x186/0x200 [ 176.299021][ C1] ? end_repeat_nmi+0xf/0x2a [ 176.299046][ C1] ? __linkwatch_run_queue+0x290/0x460 [ 176.299073][ C1] ? __linkwatch_run_queue+0x29d/0x460 [ 176.299100][ C1] ? __linkwatch_run_queue+0x29d/0x460 [ 176.299128][ C1] ? __linkwatch_run_queue+0x29d/0x460 [ 176.299155][ C1] [ 176.299160][ C1] [ 176.299169][ C1] linkwatch_event+0x8f/0xc0 [ 176.299195][ C1] ? __linkwatch_run_queue+0x460/0x460 [ 176.299222][ C1] ? rcu_is_watching+0x12/0xb0 [ 176.299247][ C1] process_one_work+0x886/0x15d0 [ 176.299278][ C1] ? lock_sync+0x190/0x190 [ 176.299307][ C1] ? workqueue_congested+0x300/0x300 [ 176.299339][ C1] ? assign_work+0x1a0/0x250 [ 176.299365][ C1] worker_thread+0x8b9/0x1290 [ 176.299399][ C1] ? process_one_work+0x15d0/0x15d0 [ 176.299425][ C1] kthread+0x2c6/0x3a0 [ 176.299447][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 176.299469][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 176.299494][ C1] ret_from_fork+0x45/0x80 [ 176.299518][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 176.299544][ C1] ret_from_fork_asm+0x11/0x20 [ 176.299578][ C1] [ 176.300521][ C0] rcu: rcu_preempt kthread starved for 10498 jiffies! g6873 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 176.600909][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 176.610888][ C0] rcu: RCU grace-period kthread stack dump: [ 176.616866][ C0] task:rcu_preempt state:R running task stack:27448 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 176.628626][ C0] Call Trace: [ 176.632194][ C0] [ 176.635144][ C0] __schedule+0xedb/0x5af0 [ 176.639595][ C0] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 176.645622][ C0] ? io_schedule_timeout+0x150/0x150 [ 176.650933][ C0] ? schedule+0x1fc/0x270 [ 176.655286][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 176.660684][ C0] ? timer_fixup_activate+0x220/0x220 [ 176.666093][ C0] ? lockdep_init_map_type+0x16d/0x7d0 [ 176.671588][ C0] schedule+0xe9/0x270 [ 176.675691][ C0] schedule_timeout+0x137/0x290 [ 176.680646][ C0] ? usleep_range_state+0x1a0/0x1a0 [ 176.685863][ C0] ? do_init_timer+0x100/0x100 [ 176.690691][ C0] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 176.696515][ C0] ? prepare_to_swait_event+0xf4/0x470 [ 176.702008][ C0] rcu_gp_fqs_loop+0x1ec/0xb10 [ 176.706802][ C0] ? rcu_check_gp_kthread_starvation+0x450/0x450 [ 176.713331][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 176.718755][ C0] rcu_gp_kthread+0x24b/0x380 [ 176.723454][ C0] ? rcu_gp_init+0x1510/0x1510 [ 176.728242][ C0] ? lockdep_hardirqs_on+0x7d/0x110 [ 176.733467][ C0] ? __kthread_parkme+0x14b/0x220 [ 176.738510][ C0] ? rcu_gp_init+0x1510/0x1510 [ 176.743297][ C0] kthread+0x2c6/0x3a0 [ 176.747388][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 176.752690][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 176.758354][ C0] ret_from_fork+0x45/0x80 [ 176.762793][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 176.768449][ C0] ret_from_fork_asm+0x11/0x20 [ 176.773255][ C0] [ 176.776284][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 176.782612][ C0] CPU: 0 PID: 38 Comm: kworker/u4:2 Not tainted 6.7.0-rc3-syzkaller-00812-g87e839c82cc3 #0 [ 176.792630][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 176.802806][ C0] Workqueue: events_unbound toggle_allocation_gate [ 176.809345][ C0] RIP: 0010:smp_call_function_many_cond+0x4e9/0x1550 [ 176.816045][ C0] Code: 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 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 [ 176.835754][ C0] RSP: 0018:ffffc90000aef930 EFLAGS: 00000293 [ 176.841832][ C0] RAX: 0000000000000000 RBX: ffff8880b9941a60 RCX: ffffffff817bd1e8 [ 176.849813][ C0] RDX: ffff8880152e8000 RSI: ffffffff817bd1c2 RDI: 0000000000000005 [ 176.858055][ C0] RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 [ 176.866033][ C0] R10: 0000000000000001 R11: 0000000000000006 R12: ffffed101732834d [ 176.874445][ C0] R13: 0000000000000001 R14: ffff8880b9941a68 R15: ffff8880b983d8c0 [ 176.882428][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 176.891371][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 176.898068][ C0] CR2: 000055abfe7cf000 CR3: 000000000cd77000 CR4: 00000000003506f0 [ 176.906052][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 176.914055][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 176.922075][ C0] Call Trace: [ 176.925463][ C0] [ 176.928317][ C0] ? show_regs+0x8f/0xa0 [ 176.932682][ C0] ? rcu_check_gp_kthread_starvation+0x317/0x450 [ 176.939039][ C0] ? do_raw_spin_unlock+0x173/0x230 [ 176.944694][ C0] ? rcu_sched_clock_irq+0x2269/0x3150 [ 176.950283][ C0] ? rcu_note_context_switch+0x1ae0/0x1ae0 [ 176.956394][ C0] ? hrtimer_run_queues+0x97/0x440 [ 176.961605][ C0] ? rcu_read_lock_sched_held+0x3a/0x70 [ 176.967261][ C0] ? tick_sched_do_timer+0x2e0/0x2e0 [ 176.972566][ C0] ? update_process_times+0x17b/0x220 [ 176.977989][ C0] ? timer_clear_idle+0xa0/0xa0 [ 176.982908][ C0] ? update_wall_time+0x1c/0x40 [ 176.987797][ C0] ? tick_sched_handle+0x8e/0x170 [ 176.992857][ C0] ? tick_nohz_highres_handler+0xe9/0x110 [ 176.998629][ C0] ? __hrtimer_run_queues+0x647/0xc20 [ 177.004057][ C0] ? enqueue_hrtimer+0x310/0x310 [ 177.009031][ C0] ? ktime_get_update_offsets_now+0x3bc/0x610 [ 177.015137][ C0] ? hrtimer_interrupt+0x31b/0x800 [ 177.020315][ C0] ? __sysvec_apic_timer_interrupt+0x105/0x400 [ 177.026495][ C0] ? sysvec_apic_timer_interrupt+0x90/0xb0 [ 177.032333][ C0] [ 177.035725][ C0] [ 177.038666][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 177.044852][ C0] ? smp_call_function_many_cond+0x508/0x1550 [ 177.050936][ C0] ? smp_call_function_many_cond+0x4e2/0x1550 [ 177.057019][ C0] ? smp_call_function_many_cond+0x4e9/0x1550 [ 177.063108][ C0] ? __text_poke+0xca0/0xca0 [ 177.067715][ C0] ? __kmem_cache_alloc_node+0xc3/0x310 [ 177.073290][ C0] ? generic_smp_call_function_single_interrupt+0x20/0x20 [ 177.080424][ C0] ? apply_relocation+0x830/0x830 [ 177.085469][ C0] ? __text_poke+0xca0/0xca0 [ 177.090076][ C0] on_each_cpu_cond_mask+0x40/0x90 [ 177.095212][ C0] text_poke_bp_batch+0x22b/0x750 [ 177.100257][ C0] ? arch_jump_label_transform_apply+0x17/0x30 [ 177.106440][ C0] ? alternatives_enable_smp+0x400/0x400 [ 177.112117][ C0] ? __jump_label_patch+0x1db/0x400 [ 177.117345][ C0] ? text_poke_queue+0xef/0x180 [ 177.122214][ C0] ? arch_jump_label_transform_queue+0xc0/0x110 [ 177.128489][ C0] text_poke_finish+0x30/0x40 [ 177.133275][ C0] arch_jump_label_transform_apply+0x1c/0x30 [ 177.139368][ C0] jump_label_update+0x1d7/0x400 [ 177.144336][ C0] static_key_enable_cpuslocked+0x1b7/0x270 [ 177.150253][ C0] static_key_enable+0x1a/0x20 [ 177.155038][ C0] toggle_allocation_gate+0xf4/0x250 [ 177.160342][ C0] ? wake_up_kfence_timer+0x30/0x30 [ 177.165571][ C0] process_one_work+0x886/0x15d0 [ 177.170538][ C0] ? lock_sync+0x190/0x190 [ 177.174981][ C0] ? workqueue_congested+0x300/0x300 [ 177.180298][ C0] ? assign_work+0x1a0/0x250 [ 177.184915][ C0] worker_thread+0x8b9/0x1290 [ 177.189630][ C0] ? __kthread_parkme+0x14b/0x220 [ 177.194676][ C0] ? process_one_work+0x15d0/0x15d0 [ 177.199897][ C0] kthread+0x2c6/0x3a0 [ 177.203984][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 177.209197][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 177.214853][ C0] ret_from_fork+0x45/0x80 [ 177.219288][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 177.224941][ C0] ret_from_fork_asm+0x11/0x20 [ 177.229743][ C0]