Warning: Permanently added '10.128.1.150' (ED25519) to the list of known hosts. 2023/12/10 20:02:09 fuzzer started 2023/12/10 20:02:09 connecting to host at 10.128.0.169:35841 2023/12/10 20:02:09 checking machine... 2023/12/10 20:02:09 checking revisions... 2023/12/10 20:02:09 testing simple program... [ 69.388873][ T5060] cgroup: Unknown subsys name 'net' [ 69.532171][ T5060] cgroup: Unknown subsys name 'rlimit' [ 71.113899][ T5060] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 71.303384][ T5065] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 71.312540][ T5065] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 71.320639][ T5065] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 71.328952][ T5065] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 71.337161][ T5065] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 71.345544][ T5065] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 71.514171][ T5063] chnl_net:caif_netlink_parms(): no params data found [ 71.590829][ T5063] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.598576][ T5063] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.606073][ T5063] bridge_slave_0: entered allmulticast mode [ 71.613411][ T5063] bridge_slave_0: entered promiscuous mode [ 71.623869][ T5063] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.631418][ T5063] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.638883][ T5063] bridge_slave_1: entered allmulticast mode [ 71.646550][ T5063] bridge_slave_1: entered promiscuous mode [ 71.680093][ T5063] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.693637][ T5063] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.729459][ T5063] team0: Port device team_slave_0 added [ 71.737893][ T5063] team0: Port device team_slave_1 added [ 71.768061][ T5063] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.775362][ T5063] 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. [ 71.801888][ T5063] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.816069][ T5063] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.823546][ T5063] 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. [ 71.849755][ T5063] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.895792][ T5063] hsr_slave_0: entered promiscuous mode [ 71.902708][ T5063] hsr_slave_1: entered promiscuous mode [ 72.055266][ T5063] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.067472][ T5063] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.078401][ T5063] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.089746][ T5063] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.125522][ T5063] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.133452][ T5063] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.141521][ T5063] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.148627][ T5063] bridge0: port 1(bridge_slave_0) entered forwarding state executing program [ 72.224030][ T5063] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.244964][ T145] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.255285][ T145] bridge0: port 2(bridge_slave_1) entered disabled state [ 177.321050][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 177.328143][ C1] rcu: 0-...!: (1 GPs behind) idle=7124/1/0x4000000000000000 softirq=6149/6151 fqs=2 [ 177.338294][ C1] rcu: (detected by 1, t=10506 jiffies, g=6805, q=55 ncpus=2) [ 177.345870][ C1] Sending NMI from CPU 1 to CPUs 0: [ 177.351185][ C0] NMI backtrace for cpu 0 [ 177.351195][ C0] CPU: 0 PID: 145 Comm: kworker/0:2 Not tainted 6.7.0-rc4-syzkaller-00843-g1674110c0dd4 #0 [ 177.351217][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 177.351233][ C0] Workqueue: events linkwatch_event [ 177.351285][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x34/0x60 [ 177.351313][ 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 [ 177.351331][ C0] RSP: 0018:ffffc90002d1fc48 EFLAGS: 00000046 [ 177.351351][ C0] RAX: 0000000000000000 RBX: ffff88806a9a66a8 RCX: ffffffff8876e3d9 [ 177.351364][ C0] RDX: ffff8880163a0000 RSI: ffffffff8876e3e3 RDI: 0000000000000001 [ 177.351377][ C0] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 177.351389][ C0] R10: 0000000000000001 R11: 0000000000000003 R12: 00000000000000bd [ 177.351401][ C0] R13: 0000000000000001 R14: ffff88806a9a6000 R15: ffff88806a9a66b0 [ 177.351414][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 177.351434][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 177.351447][ C0] CR2: 0000556eaf4e3000 CR3: 000000006b10d000 CR4: 00000000003506f0 [ 177.351460][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 177.351471][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 177.351483][ C0] Call Trace: [ 177.351490][ C0] [ 177.351498][ C0] ? show_regs+0x8f/0xa0 [ 177.351523][ C0] ? nmi_cpu_backtrace+0x1d4/0x390 [ 177.351549][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 177.351577][ C0] ? nmi_handle+0x1a6/0x570 [ 177.351602][ C0] ? __sanitizer_cov_trace_pc+0x34/0x60 [ 177.351626][ C0] ? default_do_nmi+0x6a/0x160 [ 177.351654][ C0] ? exc_nmi+0x186/0x200 [ 177.351679][ C0] ? end_repeat_nmi+0xf/0x2a [ 177.351703][ C0] ? __linkwatch_run_queue+0x189/0x460 [ 177.351728][ C0] ? __linkwatch_run_queue+0x193/0x460 [ 177.351755][ C0] ? __sanitizer_cov_trace_pc+0x34/0x60 [ 177.351779][ C0] ? __sanitizer_cov_trace_pc+0x34/0x60 [ 177.351804][ C0] ? __sanitizer_cov_trace_pc+0x34/0x60 [ 177.351829][ C0] [ 177.351834][ C0] [ 177.351839][ C0] __linkwatch_run_queue+0x193/0x460 [ 177.351869][ C0] linkwatch_event+0x8f/0xc0 [ 177.351895][ C0] ? __linkwatch_run_queue+0x460/0x460 [ 177.351922][ C0] ? rcu_is_watching+0x12/0xb0 [ 177.351945][ C0] process_one_work+0x886/0x15d0 [ 177.351975][ C0] ? addrconf_dad_completed+0x1030/0x1030 [ 177.352005][ C0] ? workqueue_congested+0x300/0x300 [ 177.352036][ C0] ? assign_work+0x1a0/0x250 [ 177.352062][ C0] worker_thread+0x8b9/0x1290 [ 177.352092][ C0] ? __kthread_parkme+0x14b/0x220 [ 177.352115][ C0] ? process_one_work+0x15d0/0x15d0 [ 177.352140][ C0] kthread+0x2c6/0x3a0 [ 177.352162][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 177.352184][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 177.352209][ C0] ret_from_fork+0x45/0x80 [ 177.352233][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 177.352258][ C0] ret_from_fork_asm+0x11/0x20 [ 177.352291][ C0] [ 177.353180][ C1] rcu: rcu_preempt kthread starved for 10495 jiffies! g6805 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 177.673782][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 177.683766][ C1] rcu: RCU grace-period kthread stack dump: [ 177.689658][ C1] task:rcu_preempt state:R running task stack:27904 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 177.701579][ C1] Call Trace: [ 177.704889][ C1] [ 177.707848][ C1] __schedule+0xedb/0x5af0 [ 177.712418][ C1] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 177.718470][ C1] ? io_schedule_timeout+0x150/0x150 [ 177.723972][ C1] ? schedule+0x1fc/0x270 [ 177.728343][ C1] ? reacquire_held_locks+0x4c0/0x4c0 [ 177.733749][ C1] ? timer_fixup_activate+0x220/0x220 [ 177.739155][ C1] ? lockdep_init_map_type+0x16d/0x7d0 [ 177.744666][ C1] schedule+0xe9/0x270 [ 177.748796][ C1] schedule_timeout+0x137/0x290 [ 177.753788][ C1] ? usleep_range_state+0x1a0/0x1a0 [ 177.759027][ C1] ? do_init_timer+0x100/0x100 [ 177.763849][ C1] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 177.770071][ C1] ? prepare_to_swait_event+0xf4/0x470 [ 177.775677][ C1] rcu_gp_fqs_loop+0x1ec/0xb10 [ 177.780767][ C1] ? rcu_check_gp_kthread_starvation+0x450/0x450 [ 177.787433][ C1] ? reacquire_held_locks+0x4c0/0x4c0 [ 177.792959][ C1] rcu_gp_kthread+0x24b/0x380 [ 177.797861][ C1] ? rcu_gp_init+0x1510/0x1510 [ 177.802700][ C1] ? lockdep_hardirqs_on+0x7d/0x110 [ 177.808053][ C1] ? __kthread_parkme+0x14b/0x220 [ 177.813212][ C1] ? rcu_gp_init+0x1510/0x1510 [ 177.818030][ C1] kthread+0x2c6/0x3a0 [ 177.822133][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 177.827445][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 177.833140][ C1] ret_from_fork+0x45/0x80 [ 177.837590][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 177.843458][ C1] ret_from_fork_asm+0x11/0x20 [ 177.848379][ C1] [ 177.851593][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 177.858384][ C1] CPU: 1 PID: 11 Comm: kworker/u4:0 Not tainted 6.7.0-rc4-syzkaller-00843-g1674110c0dd4 #0 [ 177.868829][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 177.879075][ C1] Workqueue: events_unbound toggle_allocation_gate [ 177.885786][ C1] RIP: 0010:smp_call_function_many_cond+0x4e4/0x1550 [ 177.892495][ 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 [ 177.912384][ C1] RSP: 0018:ffffc90000107930 EFLAGS: 00000293 [ 177.918475][ C1] RAX: 0000000000000000 RBX: ffff8880b98441a0 RCX: ffffffff817bd538 [ 177.926462][ C1] RDX: ffff888017e43b80 RSI: ffffffff817bd512 RDI: 0000000000000005 [ 177.934479][ C1] RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 [ 177.942463][ C1] R10: 0000000000000001 R11: 0000000000000006 R12: ffffed1017308835 [ 177.950451][ C1] R13: 0000000000000001 R14: ffff8880b98441a8 R15: ffff8880b993d8c0 [ 177.958476][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 177.967520][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 177.974122][ C1] CR2: 00007fd952ec35c0 CR3: 000000000cd77000 CR4: 00000000003506f0 [ 177.982115][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 177.990099][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 177.998086][ C1] Call Trace: [ 178.001385][ C1] [ 178.004242][ C1] ? show_regs+0x8f/0xa0 [ 178.008540][ C1] ? rcu_check_gp_kthread_starvation+0x317/0x450 [ 178.015090][ C1] ? do_raw_spin_unlock+0x173/0x230 [ 178.020348][ C1] ? rcu_sched_clock_irq+0x2269/0x3150 [ 178.025873][ C1] ? rcu_note_context_switch+0x1ae0/0x1ae0 [ 178.031990][ C1] ? hrtimer_run_queues+0x97/0x440 [ 178.037210][ C1] ? rcu_read_lock_sched_held+0x3a/0x70 [ 178.042781][ C1] ? tick_sched_do_timer+0x2e0/0x2e0 [ 178.048092][ C1] ? update_process_times+0x17b/0x220 [ 178.053495][ C1] ? timer_clear_idle+0xa0/0xa0 [ 178.058463][ C1] ? update_wall_time+0x1c/0x40 [ 178.063422][ C1] ? tick_sched_handle+0x8e/0x170 [ 178.068493][ C1] ? tick_nohz_highres_handler+0xe9/0x110 [ 178.074255][ C1] ? __hrtimer_run_queues+0x647/0xc20 [ 178.079856][ C1] ? enqueue_hrtimer+0x310/0x310 [ 178.084823][ C1] ? ktime_get_update_offsets_now+0x3bc/0x610 [ 178.091102][ C1] ? hrtimer_interrupt+0x31b/0x800 [ 178.096244][ C1] ? __sysvec_apic_timer_interrupt+0x105/0x400 [ 178.102419][ C1] ? sysvec_apic_timer_interrupt+0x90/0xb0 [ 178.108250][ C1] [ 178.111188][ C1] [ 178.114129][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 178.120396][ C1] ? smp_call_function_many_cond+0x508/0x1550 [ 178.126569][ C1] ? smp_call_function_many_cond+0x4e2/0x1550 [ 178.132653][ C1] ? smp_call_function_many_cond+0x4e4/0x1550 [ 178.138830][ C1] ? __text_poke+0xca0/0xca0 [ 178.143434][ C1] ? __kmem_cache_alloc_node+0xc3/0x310 [ 178.149095][ C1] ? generic_smp_call_function_single_interrupt+0x20/0x20 [ 178.156244][ C1] ? apply_relocation+0x830/0x830 [ 178.161287][ C1] ? __text_poke+0xca0/0xca0 [ 178.165893][ C1] on_each_cpu_cond_mask+0x40/0x90 [ 178.171032][ C1] text_poke_bp_batch+0x22b/0x750 [ 178.176078][ C1] ? arch_jump_label_transform_apply+0x17/0x30 [ 178.182521][ C1] ? alternatives_enable_smp+0x400/0x400 [ 178.188170][ C1] ? __jump_label_patch+0x1db/0x400 [ 178.193420][ C1] ? text_poke_queue+0xef/0x180 [ 178.198314][ C1] ? arch_jump_label_transform_queue+0xc0/0x110 [ 178.204693][ C1] text_poke_finish+0x30/0x40 [ 178.209396][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 178.215407][ C1] jump_label_update+0x1d7/0x400 [ 178.220383][ C1] static_key_enable_cpuslocked+0x1b7/0x270 [ 178.226393][ C1] static_key_enable+0x1a/0x20 [ 178.231387][ C1] toggle_allocation_gate+0xf4/0x250 [ 178.236699][ C1] ? wake_up_kfence_timer+0x30/0x30 [ 178.242129][ C1] process_one_work+0x886/0x15d0 [ 178.247099][ C1] ? lock_sync+0x190/0x190 [ 178.251718][ C1] ? workqueue_congested+0x300/0x300 [ 178.257077][ C1] ? assign_work+0x1a0/0x250 [ 178.261711][ C1] worker_thread+0x8b9/0x1290 [ 178.266434][ C1] ? process_one_work+0x15d0/0x15d0 [ 178.271663][ C1] kthread+0x2c6/0x3a0 [ 178.277112][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 178.282416][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 178.288071][ C1] ret_from_fork+0x45/0x80 [ 178.292509][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 178.298250][ C1] ret_from_fork_asm+0x11/0x20 [ 178.303663][ C1]