Warning: Permanently added '10.128.0.187' (ED25519) to the list of known hosts. 2023/12/08 20:19:19 fuzzer started 2023/12/08 20:19:19 connecting to host at 10.128.0.169:34529 2023/12/08 20:19:19 checking machine... 2023/12/08 20:19:19 checking revisions... 2023/12/08 20:19:20 testing simple program... [ 68.845481][ T5064] cgroup: Unknown subsys name 'net' [ 68.983730][ T5064] cgroup: Unknown subsys name 'rlimit' [ 70.607502][ T5064] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 70.800355][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 70.808720][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 70.817177][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 70.827984][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 70.837009][ T50] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 70.844722][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 71.013440][ T5067] chnl_net:caif_netlink_parms(): no params data found [ 71.090472][ T5067] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.098113][ T5067] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.105624][ T5067] bridge_slave_0: entered allmulticast mode [ 71.112626][ T5067] bridge_slave_0: entered promiscuous mode [ 71.122097][ T5067] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.129561][ T5067] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.136888][ T5067] bridge_slave_1: entered allmulticast mode [ 71.143879][ T5067] bridge_slave_1: entered promiscuous mode [ 71.176849][ T5067] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.188707][ T5067] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.222869][ T5067] team0: Port device team_slave_0 added [ 71.231615][ T5067] team0: Port device team_slave_1 added [ 71.261820][ T5067] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.268819][ 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. [ 71.295024][ T5067] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.308511][ T5067] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.315705][ 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. [ 71.342253][ T5067] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.390359][ T5067] hsr_slave_0: entered promiscuous mode [ 71.397108][ T5067] hsr_slave_1: entered promiscuous mode [ 71.553238][ T5067] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.565210][ T5067] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.576183][ T5067] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.587007][ T5067] netdevsim netdevsim0 netdevsim3: renamed from eth3 executing program [ 71.620643][ T5067] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.627939][ T5067] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.635940][ T5067] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.643047][ T5067] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.719531][ T5067] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.741394][ T923] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.750339][ T923] bridge0: port 2(bridge_slave_1) entered disabled state [ 176.774050][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 176.781157][ C1] rcu: 0-...!: (1 GPs behind) idle=428c/1/0x4000000000000000 softirq=6157/6158 fqs=5 [ 176.791459][ C1] rcu: (detected by 1, t=10502 jiffies, g=6873, q=66 ncpus=2) [ 176.799024][ C1] Sending NMI from CPU 1 to CPUs 0: [ 176.804244][ C0] NMI backtrace for cpu 0 [ 176.804254][ C0] CPU: 0 PID: 923 Comm: kworker/0:2 Not tainted 6.7.0-rc4-syzkaller-00838-g172db56d90d2 #0 [ 176.804281][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 176.804300][ C0] Workqueue: events linkwatch_event [ 176.804354][ C0] RIP: 0010:linkwatch_urgent_event+0x1db/0x380 [ 176.804383][ C0] Code: fe ff ff e8 e7 b4 10 f9 be 08 00 00 00 4c 89 ef e8 ba 98 67 f9 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 <0f> 85 7e 01 00 00 4c 8b a3 48 01 00 00 31 ff 49 c1 ec 02 41 83 e4 [ 176.804401][ C0] RSP: 0018:ffffc90004287c10 EFLAGS: 00000046 [ 176.804416][ C0] RAX: dffffc0000000000 RBX: ffff888067d18000 RCX: ffffffff8876e0e6 [ 176.804430][ C0] RDX: 1ffff1100cfa3029 RSI: 0000000000000008 RDI: ffff888067d18148 [ 176.804443][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffed100cfa3029 [ 176.804456][ C0] R10: ffff888067d1814f R11: 0000000000000003 R12: 0000000000000000 [ 176.804468][ C0] R13: ffff888067d18148 R14: 0000000000000000 R15: 0000000000000000 [ 176.804480][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 176.804499][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 176.804513][ C0] CR2: 000055d619174000 CR3: 0000000068bee000 CR4: 00000000003506f0 [ 176.804526][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 176.804537][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 176.804549][ C0] Call Trace: [ 176.804556][ C0] [ 176.804564][ C0] ? show_regs+0x8f/0xa0 [ 176.804591][ C0] ? nmi_cpu_backtrace+0x1d4/0x390 [ 176.804622][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 176.804651][ C0] ? nmi_handle+0x1a6/0x570 [ 176.804676][ C0] ? linkwatch_urgent_event+0x1db/0x380 [ 176.804706][ C0] ? default_do_nmi+0x6a/0x160 [ 176.804734][ C0] ? exc_nmi+0x186/0x200 [ 176.804760][ C0] ? end_repeat_nmi+0xf/0x2a [ 176.804785][ C0] ? linkwatch_urgent_event+0x1c6/0x380 [ 176.804818][ C0] ? linkwatch_urgent_event+0x1db/0x380 [ 176.804845][ C0] ? linkwatch_urgent_event+0x1db/0x380 [ 176.804872][ C0] ? linkwatch_urgent_event+0x1db/0x380 [ 176.804898][ C0] [ 176.804903][ C0] [ 176.804911][ C0] __linkwatch_run_queue+0xd8/0x460 [ 176.804940][ C0] linkwatch_event+0x8f/0xc0 [ 176.804966][ C0] ? __linkwatch_run_queue+0x460/0x460 [ 176.804993][ C0] ? rcu_is_watching+0x12/0xb0 [ 176.805017][ C0] process_one_work+0x886/0x15d0 [ 176.805049][ C0] ? lock_sync+0x190/0x190 [ 176.805078][ C0] ? workqueue_congested+0x300/0x300 [ 176.805108][ C0] ? assign_work+0x1a0/0x250 [ 176.805134][ C0] worker_thread+0x8b9/0x1290 [ 176.805165][ C0] ? __kthread_parkme+0x14b/0x220 [ 176.805188][ C0] ? process_one_work+0x15d0/0x15d0 [ 176.805213][ C0] kthread+0x2c6/0x3a0 [ 176.805236][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 176.805258][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 176.805287][ C0] ret_from_fork+0x45/0x80 [ 176.805314][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 176.805339][ C0] ret_from_fork_asm+0x11/0x20 [ 176.805373][ C0] [ 176.806238][ C1] rcu: rcu_preempt kthread starved for 10492 jiffies! g6873 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 177.117723][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 177.127706][ C1] rcu: RCU grace-period kthread stack dump: [ 177.133594][ C1] task:rcu_preempt state:R running task stack:28752 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 177.145361][ C1] Call Trace: [ 177.148649][ C1] [ 177.151596][ C1] __schedule+0xedb/0x5af0 [ 177.156055][ C1] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 177.162092][ C1] ? io_schedule_timeout+0x150/0x150 [ 177.167406][ C1] ? schedule+0x1fc/0x270 [ 177.171763][ C1] ? reacquire_held_locks+0x4c0/0x4c0 [ 177.177160][ C1] ? timer_fixup_activate+0x220/0x220 [ 177.182571][ C1] ? lockdep_init_map_type+0x16d/0x7d0 [ 177.188068][ C1] schedule+0xe9/0x270 [ 177.192171][ C1] schedule_timeout+0x137/0x290 [ 177.197047][ C1] ? usleep_range_state+0x1a0/0x1a0 [ 177.202269][ C1] ? do_init_timer+0x100/0x100 [ 177.207063][ C1] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 177.212891][ C1] ? prepare_to_swait_event+0xf4/0x470 [ 177.218383][ C1] rcu_gp_fqs_loop+0x1ec/0xb10 [ 177.223177][ C1] ? rcu_check_gp_kthread_starvation+0x450/0x450 [ 177.229545][ C1] ? reacquire_held_locks+0x4c0/0x4c0 [ 177.234966][ C1] rcu_gp_kthread+0x24b/0x380 [ 177.239669][ C1] ? rcu_gp_init+0x1510/0x1510 [ 177.244464][ C1] ? lockdep_hardirqs_on+0x7d/0x110 [ 177.249692][ C1] ? __kthread_parkme+0x14b/0x220 [ 177.254737][ C1] ? rcu_gp_init+0x1510/0x1510 [ 177.259527][ C1] kthread+0x2c6/0x3a0 [ 177.263614][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 177.268832][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 177.274496][ C1] ret_from_fork+0x45/0x80 [ 177.278932][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 177.284586][ C1] ret_from_fork_asm+0x11/0x20 [ 177.289390][ C1] [ 177.292416][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 177.298743][ C1] CPU: 1 PID: 12 Comm: kworker/u4:1 Not tainted 6.7.0-rc4-syzkaller-00838-g172db56d90d2 #0 [ 177.308733][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 177.318885][ C1] Workqueue: events_unbound toggle_allocation_gate [ 177.325416][ C1] RIP: 0010:smp_call_function_many_cond+0x4e9/0x1550 [ 177.332113][ C1] 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 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 ff 83 e0 01 41 [ 177.351736][ C1] RSP: 0018:ffffc90000117930 EFLAGS: 00000293 [ 177.357819][ C1] RAX: 0000000000000000 RBX: ffff8880b98441a0 RCX: ffffffff817bd538 [ 177.365803][ C1] RDX: ffff888017e4d940 RSI: ffffffff817bd512 RDI: 0000000000000005 [ 177.373785][ C1] RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 [ 177.381764][ C1] R10: 0000000000000001 R11: 0000000000000006 R12: ffffed1017308835 [ 177.389744][ C1] R13: 0000000000000001 R14: ffff8880b98441a8 R15: ffff8880b993d8c0 [ 177.397729][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 177.406673][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 177.413267][ C1] CR2: 00007f2c3d4a8440 CR3: 000000000cd77000 CR4: 00000000003506f0 [ 177.421250][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 177.429228][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 177.437212][ C1] Call Trace: [ 177.440499][ C1] [ 177.443395][ C1] ? show_regs+0x8f/0xa0 [ 177.447668][ C1] ? rcu_check_gp_kthread_starvation+0x317/0x450 [ 177.454026][ C1] ? do_raw_spin_unlock+0x173/0x230 [ 177.459247][ C1] ? rcu_sched_clock_irq+0x2269/0x3150 [ 177.464751][ C1] ? rcu_note_context_switch+0x1ae0/0x1ae0 [ 177.470609][ C1] ? tick_sched_do_timer+0x2e0/0x2e0 [ 177.475917][ C1] ? update_process_times+0x17b/0x220 [ 177.481487][ C1] ? timer_clear_idle+0xa0/0xa0 [ 177.486449][ C1] ? update_wall_time+0x1c/0x40 [ 177.491315][ C1] ? tick_do_update_jiffies64+0x22e/0x380 [ 177.497063][ C1] ? tick_sched_handle+0x8e/0x170 [ 177.502195][ C1] ? tick_nohz_highres_handler+0xe9/0x110 [ 177.507938][ C1] ? __hrtimer_run_queues+0x647/0xc20 [ 177.513348][ C1] ? enqueue_hrtimer+0x310/0x310 [ 177.518312][ C1] ? ktime_get_update_offsets_now+0x3bc/0x610 [ 177.524413][ C1] ? hrtimer_interrupt+0x31b/0x800 [ 177.529557][ C1] ? __sysvec_apic_timer_interrupt+0x105/0x400 [ 177.535736][ C1] ? sysvec_apic_timer_interrupt+0x90/0xb0 [ 177.541568][ C1] [ 177.544508][ C1] [ 177.547461][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 177.553641][ C1] ? smp_call_function_many_cond+0x508/0x1550 [ 177.559722][ C1] ? smp_call_function_many_cond+0x4e2/0x1550 [ 177.565813][ C1] ? smp_call_function_many_cond+0x4e9/0x1550 [ 177.571900][ C1] ? __text_poke+0xca0/0xca0 [ 177.576506][ C1] ? __kmem_cache_alloc_node+0xc3/0x310 [ 177.582081][ C1] ? generic_smp_call_function_single_interrupt+0x20/0x20 [ 177.589214][ C1] ? apply_relocation+0x830/0x830 [ 177.594254][ C1] ? __text_poke+0xca0/0xca0 [ 177.598867][ C1] on_each_cpu_cond_mask+0x40/0x90 [ 177.604001][ C1] text_poke_bp_batch+0x22b/0x750 [ 177.609047][ C1] ? arch_jump_label_transform_apply+0x17/0x30 [ 177.615233][ C1] ? alternatives_enable_smp+0x400/0x400 [ 177.620970][ C1] ? __jump_label_patch+0x1db/0x400 [ 177.626189][ C1] ? text_poke_queue+0xef/0x180 [ 177.631074][ C1] ? arch_jump_label_transform_queue+0xc0/0x110 [ 177.637347][ C1] text_poke_finish+0x30/0x40 [ 177.642039][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 177.648046][ C1] jump_label_update+0x1d7/0x400 [ 177.653014][ C1] static_key_enable_cpuslocked+0x1b7/0x270 [ 177.658933][ C1] static_key_enable+0x1a/0x20 [ 177.663718][ C1] toggle_allocation_gate+0xf4/0x250 [ 177.669113][ C1] ? wake_up_kfence_timer+0x30/0x30 [ 177.674348][ C1] process_one_work+0x886/0x15d0 [ 177.679331][ C1] ? lock_sync+0x190/0x190 [ 177.683772][ C1] ? workqueue_congested+0x300/0x300 [ 177.689088][ C1] ? assign_work+0x1a0/0x250 [ 177.693709][ C1] worker_thread+0x8b9/0x1290 [ 177.698427][ C1] ? process_one_work+0x15d0/0x15d0 [ 177.703650][ C1] kthread+0x2c6/0x3a0 [ 177.707736][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 177.712953][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 177.718606][ C1] ret_from_fork+0x45/0x80 [ 177.723039][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 177.728690][ C1] ret_from_fork_asm+0x11/0x20 [ 177.733495][ C1]