Warning: Permanently added '10.128.0.205' (ED25519) to the list of known hosts. 2023/12/08 20:19:24 fuzzer started 2023/12/08 20:19:24 connecting to host at 10.128.0.169:35825 2023/12/08 20:19:24 checking machine... 2023/12/08 20:19:24 checking revisions... 2023/12/08 20:19:24 testing simple program... [ 70.630826][ T5062] cgroup: Unknown subsys name 'net' [ 70.778915][ T5062] cgroup: Unknown subsys name 'rlimit' [ 72.335415][ T5062] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 72.519615][ T5067] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 72.529092][ T5067] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 72.537204][ T5067] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 72.546002][ T5067] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 72.554299][ T5067] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 72.562788][ T5067] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 72.735180][ T5065] chnl_net:caif_netlink_parms(): no params data found [ 72.819932][ T5065] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.827616][ T5065] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.835147][ T5065] bridge_slave_0: entered allmulticast mode [ 72.843227][ T5065] bridge_slave_0: entered promiscuous mode [ 72.853503][ T5065] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.861360][ T5065] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.868736][ T5065] bridge_slave_1: entered allmulticast mode [ 72.876384][ T5065] bridge_slave_1: entered promiscuous mode [ 72.913310][ T5065] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.926361][ T5065] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.965738][ T5065] team0: Port device team_slave_0 added [ 72.975240][ T5065] team0: Port device team_slave_1 added [ 73.007134][ T5065] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.014312][ 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. [ 73.041760][ T5065] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.055658][ T5065] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.062833][ 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. [ 73.089406][ T5065] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.139312][ T5065] hsr_slave_0: entered promiscuous mode [ 73.146050][ T5065] hsr_slave_1: entered promiscuous mode [ 73.310149][ T5065] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.324910][ T5065] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.336734][ T5065] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.351480][ T5065] netdevsim netdevsim0 netdevsim3: renamed from eth3 executing program [ 73.389338][ T5065] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.396869][ T5065] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.405894][ T5065] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.413247][ T5065] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.502291][ T5065] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.527396][ T5076] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.551164][ T5076] bridge0: port 2(bridge_slave_1) entered disabled state [ 178.577360][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 178.584913][ C1] rcu: 0-...!: (1 ticks this GP) idle=2354/1/0x4000000000000000 softirq=6064/6068 fqs=5 [ 178.596806][ C1] rcu: (detected by 1, t=10502 jiffies, g=7429, q=9 ncpus=2) [ 178.604555][ C1] Sending NMI from CPU 1 to CPUs 0: [ 178.609968][ C0] NMI backtrace for cpu 0 [ 178.609977][ C0] CPU: 0 PID: 5076 Comm: kworker/0:3 Not tainted 6.7.0-rc4-syzkaller-00838-g172db56d90d2 #0 [ 178.610000][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 178.610015][ C0] Workqueue: events linkwatch_event [ 178.610072][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 [ 178.610101][ C0] Code: 36 a7 da 02 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1e fa 65 48 8b 14 25 c0 bc 03 00 65 8b 05 f4 26 7c 7e a9 00 [ 178.610120][ C0] RSP: 0018:ffffc900040ffc48 EFLAGS: 00000006 [ 178.610134][ C0] RAX: 0000000000000000 RBX: ffff888019b3c6a8 RCX: ffffffff8876eb45 [ 178.610148][ C0] RDX: ffff88806c141dc0 RSI: 0000000000000000 RDI: 0000000000000005 [ 178.610160][ C0] RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000 [ 178.610172][ C0] R10: 00000000000000bd R11: 0000000000000003 R12: 00000000000000bd [ 178.610184][ C0] R13: 0000000000000001 R14: ffff88806bea26a8 R15: ffff888019b3c6b0 [ 178.610197][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 178.610216][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 178.610230][ C0] CR2: 00007fee990c35c0 CR3: 0000000029ce6000 CR4: 00000000003506f0 [ 178.610242][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 178.610253][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 178.610265][ C0] Call Trace: [ 178.610275][ C0] [ 178.610284][ C0] ? show_regs+0x8f/0xa0 [ 178.610310][ C0] ? nmi_cpu_backtrace+0x1d4/0x390 [ 178.610336][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 178.610365][ C0] ? nmi_handle+0x1a6/0x570 [ 178.610389][ C0] ? kcov_close+0x20/0x20 [ 178.610411][ C0] ? default_do_nmi+0x6a/0x160 [ 178.610440][ C0] ? exc_nmi+0x186/0x200 [ 178.610465][ C0] ? end_repeat_nmi+0xf/0x2a [ 178.610490][ C0] ? __linkwatch_run_queue+0x155/0x460 [ 178.610516][ C0] ? kcov_close+0x20/0x20 [ 178.610539][ C0] ? kcov_close+0x20/0x20 [ 178.610567][ C0] ? kcov_close+0x20/0x20 [ 178.610590][ C0] [ 178.610595][ C0] [ 178.610600][ C0] __linkwatch_run_queue+0x163/0x460 [ 178.610630][ C0] linkwatch_event+0x8f/0xc0 [ 178.610655][ C0] ? __linkwatch_run_queue+0x460/0x460 [ 178.610682][ C0] ? rcu_is_watching+0x12/0xb0 [ 178.610707][ C0] process_one_work+0x886/0x15d0 [ 178.610739][ C0] ? lock_sync+0x190/0x190 [ 178.610767][ C0] ? workqueue_congested+0x300/0x300 [ 178.610798][ C0] ? assign_work+0x1a0/0x250 [ 178.610824][ C0] worker_thread+0x8b9/0x1290 [ 178.610854][ C0] ? __kthread_parkme+0x14b/0x220 [ 178.610877][ C0] ? process_one_work+0x15d0/0x15d0 [ 178.610903][ C0] kthread+0x2c6/0x3a0 [ 178.610925][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 178.610947][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 178.610972][ C0] ret_from_fork+0x45/0x80 [ 178.610996][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 178.611020][ C0] ret_from_fork_asm+0x11/0x20 [ 178.611055][ C0] [ 178.611961][ C1] rcu: rcu_preempt kthread starved for 10492 jiffies! g7429 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 178.930245][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 178.940761][ C1] rcu: RCU grace-period kthread stack dump: [ 178.946863][ C1] task:rcu_preempt state:R running task stack:27424 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 178.959719][ C1] Call Trace: [ 178.963125][ C1] [ 178.966141][ C1] __schedule+0xedb/0x5af0 [ 178.971009][ C1] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 178.977162][ C1] ? io_schedule_timeout+0x150/0x150 [ 178.982581][ C1] ? schedule+0x1fc/0x270 [ 178.987155][ C1] ? reacquire_held_locks+0x4c0/0x4c0 [ 178.992954][ C1] ? timer_fixup_activate+0x220/0x220 [ 178.998764][ C1] ? lockdep_init_map_type+0x16d/0x7d0 [ 179.004490][ C1] schedule+0xe9/0x270 [ 179.010528][ C1] schedule_timeout+0x137/0x290 [ 179.015991][ C1] ? usleep_range_state+0x1a0/0x1a0 [ 179.021982][ C1] ? do_init_timer+0x100/0x100 [ 179.027376][ C1] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 179.033276][ C1] ? prepare_to_swait_event+0xf4/0x470 [ 179.039405][ C1] rcu_gp_fqs_loop+0x1ec/0xb10 [ 179.044255][ C1] ? rcu_check_gp_kthread_starvation+0x450/0x450 [ 179.050803][ C1] ? _raw_spin_unlock_irqrestore+0x4e/0x70 [ 179.056836][ C1] rcu_gp_kthread+0x24b/0x380 [ 179.061924][ C1] ? rcu_gp_init+0x1510/0x1510 [ 179.067593][ C1] ? lockdep_hardirqs_on+0x7d/0x110 [ 179.072884][ C1] ? __kthread_parkme+0x14b/0x220 [ 179.078434][ C1] ? rcu_gp_init+0x1510/0x1510 [ 179.083467][ C1] kthread+0x2c6/0x3a0 [ 179.087703][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 179.093334][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 179.099376][ C1] ret_from_fork+0x45/0x80 [ 179.103965][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 179.110292][ C1] ret_from_fork_asm+0x11/0x20 [ 179.115349][ C1] [ 179.118607][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 179.124980][ C1] CPU: 1 PID: 2480 Comm: kworker/u4:11 Not tainted 6.7.0-rc4-syzkaller-00838-g172db56d90d2 #0 [ 179.136197][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 179.146502][ C1] Workqueue: events_unbound toggle_allocation_gate [ 179.153500][ C1] RIP: 0010:smp_call_function_many_cond+0x4e4/0x1550 [ 179.160354][ C1] 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 [ 179.180369][ C1] RSP: 0018:ffffc9000a8cf930 EFLAGS: 00000293 [ 179.186755][ C1] RAX: 0000000000000000 RBX: ffff8880b98441a0 RCX: ffffffff817bd538 [ 179.195010][ C1] RDX: ffff888025930000 RSI: ffffffff817bd512 RDI: 0000000000000005 [ 179.203458][ C1] RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 [ 179.211540][ C1] R10: 0000000000000001 R11: 0000000000000006 R12: ffffed1017308835 [ 179.219833][ C1] R13: 0000000000000001 R14: ffff8880b98441a8 R15: ffff8880b993d8c0 [ 179.228064][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 179.237376][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 179.244222][ C1] CR2: 0000558ccf14e000 CR3: 000000000cd77000 CR4: 00000000003506f0 [ 179.252507][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 179.260679][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 179.269661][ C1] Call Trace: [ 179.273320][ C1] [ 179.276473][ C1] ? show_regs+0x8f/0xa0 [ 179.281278][ C1] ? rcu_check_gp_kthread_starvation+0x317/0x450 [ 179.287736][ C1] ? do_raw_spin_unlock+0x173/0x230 [ 179.293308][ C1] ? rcu_sched_clock_irq+0x2269/0x3150 [ 179.299071][ C1] ? rcu_note_context_switch+0x1ae0/0x1ae0 [ 179.305109][ C1] ? tick_sched_do_timer+0x2e0/0x2e0 [ 179.310604][ C1] ? update_process_times+0x17b/0x220 [ 179.316200][ C1] ? timer_clear_idle+0xa0/0xa0 [ 179.322111][ C1] ? update_wall_time+0x1c/0x40 [ 179.327356][ C1] ? tick_do_update_jiffies64+0x22e/0x380 [ 179.333200][ C1] ? tick_sched_handle+0x8e/0x170 [ 179.338258][ C1] ? tick_nohz_highres_handler+0xe9/0x110 [ 179.344095][ C1] ? __hrtimer_run_queues+0x647/0xc20 [ 179.350249][ C1] ? enqueue_hrtimer+0x310/0x310 [ 179.355711][ C1] ? ktime_get_update_offsets_now+0x3bc/0x610 [ 179.361973][ C1] ? hrtimer_interrupt+0x31b/0x800 [ 179.367919][ C1] ? __sysvec_apic_timer_interrupt+0x105/0x400 [ 179.375476][ C1] ? sysvec_apic_timer_interrupt+0x90/0xb0 [ 179.381694][ C1] [ 179.384840][ C1] [ 179.387902][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 179.394634][ C1] ? smp_call_function_many_cond+0x508/0x1550 [ 179.401738][ C1] ? smp_call_function_many_cond+0x4e2/0x1550 [ 179.408421][ C1] ? smp_call_function_many_cond+0x4e4/0x1550 [ 179.416058][ C1] ? __text_poke+0xca0/0xca0 [ 179.421658][ C1] ? __kmem_cache_alloc_node+0xc3/0x310 [ 179.427684][ C1] ? generic_smp_call_function_single_interrupt+0x20/0x20 [ 179.435518][ C1] ? apply_relocation+0x830/0x830 [ 179.440739][ C1] ? __text_poke+0xca0/0xca0 [ 179.445790][ C1] on_each_cpu_cond_mask+0x40/0x90 [ 179.451199][ C1] text_poke_bp_batch+0x22b/0x750 [ 179.456245][ C1] ? arch_jump_label_transform_apply+0x17/0x30 [ 179.463032][ C1] ? alternatives_enable_smp+0x400/0x400 [ 179.468842][ C1] ? __jump_label_patch+0x1db/0x400 [ 179.474500][ C1] ? text_poke_queue+0xef/0x180 [ 179.479588][ C1] ? arch_jump_label_transform_queue+0xc0/0x110 [ 179.486289][ C1] text_poke_finish+0x30/0x40 [ 179.491213][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 179.497287][ C1] jump_label_update+0x1d7/0x400 [ 179.503284][ C1] static_key_enable_cpuslocked+0x1b7/0x270 [ 179.509725][ C1] static_key_enable+0x1a/0x20 [ 179.515455][ C1] toggle_allocation_gate+0xf4/0x250 [ 179.521697][ C1] ? wake_up_kfence_timer+0x30/0x30 [ 179.527295][ C1] process_one_work+0x886/0x15d0 [ 179.532415][ C1] ? batadv_nc_process_nc_paths.part.0+0x3e0/0x3e0 [ 179.539864][ C1] ? workqueue_congested+0x300/0x300 [ 179.545395][ C1] ? assign_work+0x1a0/0x250 [ 179.550182][ C1] worker_thread+0x8b9/0x1290 [ 179.555856][ C1] ? __kthread_parkme+0x14b/0x220 [ 179.561860][ C1] ? process_one_work+0x15d0/0x15d0 [ 179.569318][ C1] kthread+0x2c6/0x3a0 [ 179.574514][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 179.582945][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 179.590957][ C1] ret_from_fork+0x45/0x80 [ 179.596088][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 179.602966][ C1] ret_from_fork_asm+0x11/0x20 [ 179.608112][ C1]