Warning: Permanently added '10.128.0.255' (ED25519) to the list of known hosts. 2023/12/11 10:31:34 fuzzer started 2023/12/11 10:31:34 connecting to host at 10.128.0.169:36053 2023/12/11 10:31:34 checking machine... 2023/12/11 10:31:34 checking revisions... 2023/12/11 10:31:35 testing simple program... [ 69.425785][ T5060] cgroup: Unknown subsys name 'net' [ 69.562225][ T5060] cgroup: Unknown subsys name 'rlimit' [ 71.152340][ T5060] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 71.336667][ T5065] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 71.345078][ T5065] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 71.352678][ T5065] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 71.362517][ T5065] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 71.370498][ T5065] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 71.378472][ T5065] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 71.550958][ T5063] chnl_net:caif_netlink_parms(): no params data found [ 71.627781][ T5063] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.635540][ T5063] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.643425][ T5063] bridge_slave_0: entered allmulticast mode [ 71.650572][ T5063] bridge_slave_0: entered promiscuous mode [ 71.661024][ T5063] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.668253][ T5063] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.675548][ T5063] bridge_slave_1: entered allmulticast mode [ 71.682588][ T5063] bridge_slave_1: entered promiscuous mode [ 71.716598][ T5063] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.728931][ T5063] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.769257][ T5063] team0: Port device team_slave_0 added [ 71.777826][ T5063] team0: Port device team_slave_1 added [ 71.807904][ T5063] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.815036][ 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. [ 71.841239][ T5063] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.854779][ T5063] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.861770][ 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. [ 71.887838][ T5063] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.933999][ T5063] hsr_slave_0: entered promiscuous mode [ 71.940653][ T5063] hsr_slave_1: entered promiscuous mode [ 72.094284][ T5063] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.108090][ T5063] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.118374][ T5063] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.129755][ T5063] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.161304][ T5063] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.168607][ T5063] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.176489][ T5063] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.183736][ T5063] bridge0: port 1(bridge_slave_0) entered forwarding state executing program [ 72.259073][ T5063] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.279805][ T54] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.290098][ T54] bridge0: port 2(bridge_slave_1) entered disabled state [ 177.322836][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 177.330072][ C1] rcu: 0-...!: (1 GPs behind) idle=0984/1/0x4000000000000000 softirq=5654/5658 fqs=2 [ 177.340314][ C1] rcu: (detected by 1, t=10502 jiffies, g=6801, q=19 ncpus=2) [ 177.347875][ C1] Sending NMI from CPU 1 to CPUs 0: [ 177.353100][ C0] NMI backtrace for cpu 0 [ 177.353110][ C0] CPU: 0 PID: 54 Comm: kworker/0:2 Not tainted 6.7.0-rc4-syzkaller-00854-g18c5c0a845b3 #0 [ 177.353132][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 177.353145][ C0] Workqueue: events linkwatch_event [ 177.353196][ C0] RIP: 0010:write_comp_data+0x0/0x80 [ 177.353221][ C0] Code: 65 8b 15 fb 2c 7c 7e 81 e2 00 01 ff 00 75 10 65 48 8b 04 25 c0 bc 03 00 48 8b 80 f0 15 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 <49> 89 d2 49 89 f8 49 89 f1 65 48 8b 14 25 c0 bc 03 00 65 8b 05 bf [ 177.353239][ C0] RSP: 0018:ffffc90000bf7c48 EFLAGS: 00000046 [ 177.353254][ C0] RAX: 0000000000000000 RBX: ffff888019b706a8 RCX: ffffffff8876e316 [ 177.353267][ C0] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000005 [ 177.353279][ C0] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 177.353291][ C0] R10: 0000000000000001 R11: 0000000000000003 R12: 00000000000000bd [ 177.353303][ C0] R13: 0000000000000001 R14: ffff888019b70000 R15: ffff888019b706b0 [ 177.353316][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 177.353335][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 177.353349][ C0] CR2: 0000562e3da92000 CR3: 000000006c097000 CR4: 00000000003506f0 [ 177.353361][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 177.353372][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 177.353385][ C0] Call Trace: [ 177.353392][ C0] [ 177.353399][ C0] ? show_regs+0x8f/0xa0 [ 177.353428][ C0] ? nmi_cpu_backtrace+0x1d4/0x390 [ 177.353454][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 177.353483][ C0] ? nmi_handle+0x1a6/0x570 [ 177.353507][ C0] ? kcov_common_handle+0x30/0x30 [ 177.353530][ C0] ? default_do_nmi+0x6a/0x160 [ 177.353558][ C0] ? exc_nmi+0x186/0x200 [ 177.353583][ C0] ? end_repeat_nmi+0xf/0x2a [ 177.353607][ C0] ? __linkwatch_run_queue+0xc6/0x460 [ 177.353634][ C0] ? kcov_common_handle+0x30/0x30 [ 177.353656][ C0] ? kcov_common_handle+0x30/0x30 [ 177.353680][ C0] ? kcov_common_handle+0x30/0x30 [ 177.353703][ C0] [ 177.353708][ C0] [ 177.353713][ C0] __linkwatch_run_queue+0xc6/0x460 [ 177.353743][ C0] linkwatch_event+0x8f/0xc0 [ 177.353768][ C0] ? __linkwatch_run_queue+0x460/0x460 [ 177.353795][ C0] ? rcu_is_watching+0x12/0xb0 [ 177.353818][ C0] process_one_work+0x886/0x15d0 [ 177.353848][ C0] ? lock_sync+0x190/0x190 [ 177.353876][ C0] ? workqueue_congested+0x300/0x300 [ 177.353906][ C0] ? assign_work+0x1a0/0x250 [ 177.353932][ C0] worker_thread+0x8b9/0x1290 [ 177.353962][ C0] ? __kthread_parkme+0x14b/0x220 [ 177.353986][ C0] ? process_one_work+0x15d0/0x15d0 [ 177.354012][ C0] kthread+0x2c6/0x3a0 [ 177.354033][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 177.354056][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 177.354081][ C0] ret_from_fork+0x45/0x80 [ 177.354104][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 177.354128][ C0] ret_from_fork_asm+0x11/0x20 [ 177.354162][ C0] [ 177.355095][ C1] rcu: rcu_preempt kthread starved for 10498 jiffies! g6801 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 177.672111][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 177.682098][ C1] rcu: RCU grace-period kthread stack dump: [ 177.687992][ C1] task:rcu_preempt state:R running task stack:28752 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 177.699764][ C1] Call Trace: [ 177.703052][ C1] [ 177.706087][ C1] __schedule+0xedb/0x5af0 [ 177.710540][ C1] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 177.716836][ C1] ? io_schedule_timeout+0x150/0x150 [ 177.722161][ C1] ? schedule+0x1fc/0x270 [ 177.726517][ C1] ? reacquire_held_locks+0x4c0/0x4c0 [ 177.732016][ C1] ? timer_fixup_activate+0x220/0x220 [ 177.737416][ C1] ? lockdep_init_map_type+0x16d/0x7d0 [ 177.742906][ C1] schedule+0xe9/0x270 [ 177.747002][ C1] schedule_timeout+0x137/0x290 [ 177.751876][ C1] ? usleep_range_state+0x1a0/0x1a0 [ 177.757115][ C1] ? do_init_timer+0x100/0x100 [ 177.762346][ C1] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 177.768175][ C1] ? prepare_to_swait_event+0xf4/0x470 [ 177.773754][ C1] rcu_gp_fqs_loop+0x1ec/0xb10 [ 177.778550][ C1] ? rcu_check_gp_kthread_starvation+0x450/0x450 [ 177.784910][ C1] ? reacquire_held_locks+0x4c0/0x4c0 [ 177.790325][ C1] rcu_gp_kthread+0x24b/0x380 [ 177.795067][ C1] ? rcu_gp_init+0x1510/0x1510 [ 177.799880][ C1] ? lockdep_hardirqs_on+0x7d/0x110 [ 177.805110][ C1] ? __kthread_parkme+0x14b/0x220 [ 177.810168][ C1] ? rcu_gp_init+0x1510/0x1510 [ 177.815026][ C1] kthread+0x2c6/0x3a0 [ 177.819122][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 177.824347][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 177.830003][ C1] ret_from_fork+0x45/0x80 [ 177.834468][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 177.840213][ C1] ret_from_fork_asm+0x11/0x20 [ 177.845016][ C1] [ 177.848047][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 177.854473][ C1] CPU: 1 PID: 48 Comm: kworker/u4:3 Not tainted 6.7.0-rc4-syzkaller-00854-g18c5c0a845b3 #0 [ 177.864559][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 177.874719][ C1] Workqueue: events_unbound toggle_allocation_gate [ 177.881342][ C1] RIP: 0010:smp_call_function_many_cond+0x4e4/0x1550 [ 177.888151][ 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 [ 177.907984][ C1] RSP: 0018:ffffc90000b8f930 EFLAGS: 00000293 [ 177.914087][ C1] RAX: 0000000000000000 RBX: ffff8880b98441a0 RCX: ffffffff817bd538 [ 177.922072][ C1] RDX: ffff888016e99dc0 RSI: ffffffff817bd512 RDI: 0000000000000005 [ 177.930059][ C1] RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 [ 177.938046][ C1] R10: 0000000000000001 R11: 0000000000000006 R12: ffffed1017308835 [ 177.946137][ C1] R13: 0000000000000001 R14: ffff8880b98441a8 R15: ffff8880b993d8c0 [ 177.954143][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 177.963108][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 177.969711][ C1] CR2: 00007f0c25cc35c0 CR3: 000000000cd77000 CR4: 00000000003506f0 [ 177.978003][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 177.986179][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 177.994280][ C1] Call Trace: [ 177.997594][ C1] [ 178.000456][ C1] ? show_regs+0x8f/0xa0 [ 178.004737][ C1] ? rcu_check_gp_kthread_starvation+0x317/0x450 [ 178.011182][ C1] ? do_raw_spin_unlock+0x173/0x230 [ 178.016405][ C1] ? rcu_sched_clock_irq+0x2269/0x3150 [ 178.021908][ C1] ? rcu_note_context_switch+0x1ae0/0x1ae0 [ 178.027883][ C1] ? hrtimer_run_queues+0x97/0x440 [ 178.033012][ C1] ? rcu_read_lock_sched_held+0x3a/0x70 [ 178.038584][ C1] ? tick_sched_do_timer+0x2e0/0x2e0 [ 178.043896][ C1] ? update_process_times+0x17b/0x220 [ 178.049393][ C1] ? timer_clear_idle+0xa0/0xa0 [ 178.054277][ C1] ? update_wall_time+0x1c/0x40 [ 178.059248][ C1] ? tick_sched_handle+0x8e/0x170 [ 178.064297][ C1] ? tick_nohz_highres_handler+0xe9/0x110 [ 178.070055][ C1] ? __hrtimer_run_queues+0x647/0xc20 [ 178.075474][ C1] ? enqueue_hrtimer+0x310/0x310 [ 178.080466][ C1] ? ktime_get_update_offsets_now+0x3bc/0x610 [ 178.086708][ C1] ? hrtimer_interrupt+0x31b/0x800 [ 178.091893][ C1] ? __sysvec_apic_timer_interrupt+0x105/0x400 [ 178.098359][ C1] ? sysvec_apic_timer_interrupt+0x90/0xb0 [ 178.104196][ C1] [ 178.107146][ C1] [ 178.110129][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 178.116660][ C1] ? smp_call_function_many_cond+0x508/0x1550 [ 178.122927][ C1] ? smp_call_function_many_cond+0x4e2/0x1550 [ 178.129027][ C1] ? smp_call_function_many_cond+0x4e4/0x1550 [ 178.135210][ C1] ? __text_poke+0xca0/0xca0 [ 178.139822][ C1] ? __kmem_cache_alloc_node+0xc3/0x310 [ 178.145434][ C1] ? generic_smp_call_function_single_interrupt+0x20/0x20 [ 178.152940][ C1] ? apply_relocation+0x830/0x830 [ 178.157999][ C1] ? __text_poke+0xca0/0xca0 [ 178.162706][ C1] on_each_cpu_cond_mask+0x40/0x90 [ 178.168046][ C1] text_poke_bp_batch+0x22b/0x750 [ 178.173106][ C1] ? arch_jump_label_transform_apply+0x17/0x30 [ 178.179361][ C1] ? alternatives_enable_smp+0x400/0x400 [ 178.185272][ C1] ? __jump_label_patch+0x1db/0x400 [ 178.190926][ C1] ? text_poke_queue+0xef/0x180 [ 178.195981][ C1] ? arch_jump_label_transform_queue+0xc0/0x110 [ 178.202524][ C1] text_poke_finish+0x30/0x40 [ 178.207583][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 178.213628][ C1] jump_label_update+0x1d7/0x400 [ 178.218712][ C1] static_key_enable_cpuslocked+0x1b7/0x270 [ 178.224665][ C1] static_key_enable+0x1a/0x20 [ 178.229465][ C1] toggle_allocation_gate+0xf4/0x250 [ 178.234869][ C1] ? wake_up_kfence_timer+0x30/0x30 [ 178.240536][ C1] process_one_work+0x886/0x15d0 [ 178.245511][ C1] ? lock_sync+0x190/0x190 [ 178.249965][ C1] ? workqueue_congested+0x300/0x300 [ 178.255457][ C1] ? assign_work+0x1a0/0x250 [ 178.260166][ C1] worker_thread+0x8b9/0x1290 [ 178.264877][ C1] ? __kthread_parkme+0x14b/0x220 [ 178.269948][ C1] ? process_one_work+0x15d0/0x15d0 [ 178.275219][ C1] kthread+0x2c6/0x3a0 [ 178.279362][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 178.284847][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 178.290517][ C1] ret_from_fork+0x45/0x80 [ 178.295040][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 178.300698][ C1] ret_from_fork_asm+0x11/0x20 [ 178.305623][ C1]