Warning: Permanently added '10.128.1.42' (ED25519) to the list of known hosts. 2023/12/09 00:27:37 fuzzer started 2023/12/09 00:27:37 connecting to host at 10.128.0.169:35351 2023/12/09 00:27:37 checking machine... 2023/12/09 00:27:37 checking revisions... 2023/12/09 00:27:38 testing simple program... [ 70.177588][ T5067] cgroup: Unknown subsys name 'net' [ 70.346673][ T5067] cgroup: Unknown subsys name 'rlimit' [ 71.943793][ T5067] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 72.131474][ T5073] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 72.139897][ T5073] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 72.148501][ T5073] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 72.156744][ T5073] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 72.165064][ T5073] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 72.172530][ T5073] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 72.353410][ T5070] chnl_net:caif_netlink_parms(): no params data found [ 72.434184][ T5070] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.442271][ T5070] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.450811][ T5070] bridge_slave_0: entered allmulticast mode [ 72.458146][ T5070] bridge_slave_0: entered promiscuous mode [ 72.468132][ T5070] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.475613][ T5070] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.483174][ T5070] bridge_slave_1: entered allmulticast mode [ 72.490771][ T5070] bridge_slave_1: entered promiscuous mode [ 72.523892][ T5070] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.537169][ T5070] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.572482][ T5070] team0: Port device team_slave_0 added [ 72.582165][ T5070] team0: Port device team_slave_1 added [ 72.611913][ T5070] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.619478][ T5070] 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. [ 72.645898][ T5070] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.659212][ T5070] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.666630][ T5070] 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. [ 72.692993][ T5070] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.741530][ T5070] hsr_slave_0: entered promiscuous mode [ 72.748603][ T5070] hsr_slave_1: entered promiscuous mode [ 72.905854][ T5070] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.918911][ T5070] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.931055][ T5070] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.941949][ T5070] netdevsim netdevsim0 netdevsim3: renamed from eth3 executing program [ 72.972565][ T5070] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.980959][ T5070] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.989818][ T5070] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.997790][ T5070] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.076524][ T5070] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.098659][ T4807] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.118812][ T4807] bridge0: port 2(bridge_slave_1) entered disabled state [ 178.184440][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 178.191561][ C1] rcu: 0-...!: (1 GPs behind) idle=70fc/1/0x4000000000000000 softirq=5839/5840 fqs=1 [ 178.201806][ C1] rcu: (detected by 1, t=10506 jiffies, g=7325, q=62 ncpus=2) [ 178.209418][ C1] Sending NMI from CPU 1 to CPUs 0: [ 178.214646][ C0] NMI backtrace for cpu 0 [ 178.214655][ C0] CPU: 0 PID: 4807 Comm: kworker/0:3 Not tainted 6.7.0-rc4-syzkaller-00839-gbf17b36ccdd5 #0 [ 178.214678][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 178.214692][ C0] Workqueue: events linkwatch_event [ 178.214752][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 [ 178.214780][ 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 [ 178.214798][ C0] RSP: 0018:ffffc9000e2cfc48 EFLAGS: 00000002 [ 178.214813][ C0] RAX: 0000000000000000 RBX: ffff888018b286a8 RCX: ffffffff8876eb79 [ 178.214830][ C0] RDX: ffff888016ba9dc0 RSI: 0000000000000000 RDI: 0000000000000001 [ 178.214843][ C0] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 178.214855][ C0] R10: 0000000000000001 R11: 0000000000000003 R12: 00000000000000bd [ 178.214867][ C0] R13: 0000000000000001 R14: ffff888018b28000 R15: ffff888018b286b0 [ 178.214880][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 178.214899][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 178.214912][ C0] CR2: 00007fffeea142b8 CR3: 0000000067fcc000 CR4: 00000000003506f0 [ 178.214925][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 178.214936][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 178.214949][ C0] Call Trace: [ 178.214956][ C0] [ 178.214964][ C0] ? show_regs+0x8f/0xa0 [ 178.214988][ C0] ? nmi_cpu_backtrace+0x1d4/0x390 [ 178.215013][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 178.215042][ C0] ? nmi_handle+0x1a6/0x570 [ 178.215066][ C0] ? kcov_close+0x20/0x20 [ 178.215088][ C0] ? default_do_nmi+0x6a/0x160 [ 178.215116][ C0] ? exc_nmi+0x186/0x200 [ 178.215141][ C0] ? end_repeat_nmi+0xf/0x2a [ 178.215165][ C0] ? __linkwatch_run_queue+0x189/0x460 [ 178.215192][ C0] ? kcov_close+0x20/0x20 [ 178.215214][ C0] ? kcov_close+0x20/0x20 [ 178.215237][ C0] ? kcov_close+0x20/0x20 [ 178.215259][ C0] [ 178.215264][ C0] [ 178.215270][ C0] __linkwatch_run_queue+0x193/0x460 [ 178.215299][ C0] linkwatch_event+0x8f/0xc0 [ 178.215324][ C0] ? __linkwatch_run_queue+0x460/0x460 [ 178.215351][ C0] ? rcu_is_watching+0x12/0xb0 [ 178.215375][ C0] process_one_work+0x886/0x15d0 [ 178.215406][ C0] ? lock_sync+0x190/0x190 [ 178.215434][ C0] ? workqueue_congested+0x300/0x300 [ 178.215468][ C0] ? assign_work+0x1a0/0x250 [ 178.215494][ C0] worker_thread+0x8b9/0x1290 [ 178.215525][ C0] ? __kthread_parkme+0x14b/0x220 [ 178.215548][ C0] ? process_one_work+0x15d0/0x15d0 [ 178.215573][ C0] kthread+0x2c6/0x3a0 [ 178.215595][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 178.215617][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 178.215642][ C0] ret_from_fork+0x45/0x80 [ 178.215665][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 178.215690][ C0] ret_from_fork_asm+0x11/0x20 [ 178.215723][ C0] [ 178.216641][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g7325 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 178.528344][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 178.538439][ C1] rcu: RCU grace-period kthread stack dump: [ 178.544427][ C1] task:rcu_preempt state:R running task stack:28752 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 178.556342][ C1] Call Trace: [ 178.559821][ C1] [ 178.562773][ C1] __schedule+0xedb/0x5af0 [ 178.567327][ C1] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 178.573443][ C1] ? io_schedule_timeout+0x150/0x150 [ 178.578761][ C1] ? schedule+0x1fc/0x270 [ 178.583205][ C1] ? reacquire_held_locks+0x4c0/0x4c0 [ 178.588614][ C1] ? timer_fixup_activate+0x220/0x220 [ 178.594212][ C1] ? lockdep_init_map_type+0x16d/0x7d0 [ 178.599708][ C1] schedule+0xe9/0x270 [ 178.603805][ C1] schedule_timeout+0x137/0x290 [ 178.608684][ C1] ? usleep_range_state+0x1a0/0x1a0 [ 178.613905][ C1] ? do_init_timer+0x100/0x100 [ 178.618706][ C1] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 178.624532][ C1] ? prepare_to_swait_event+0xf4/0x470 [ 178.630200][ C1] rcu_gp_fqs_loop+0x1ec/0xb10 [ 178.635105][ C1] ? rcu_check_gp_kthread_starvation+0x450/0x450 [ 178.641555][ C1] ? reacquire_held_locks+0x4c0/0x4c0 [ 178.647146][ C1] rcu_gp_kthread+0x24b/0x380 [ 178.651938][ C1] ? rcu_gp_init+0x1510/0x1510 [ 178.657082][ C1] ? lockdep_hardirqs_on+0x7d/0x110 [ 178.662320][ C1] ? __kthread_parkme+0x14b/0x220 [ 178.667553][ C1] ? rcu_gp_init+0x1510/0x1510 [ 178.672348][ C1] kthread+0x2c6/0x3a0 [ 178.676528][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 178.682368][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 178.688552][ C1] ret_from_fork+0x45/0x80 [ 178.692993][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 178.698650][ C1] ret_from_fork_asm+0x11/0x20 [ 178.703464][ C1] [ 178.706585][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 178.712920][ C1] CPU: 1 PID: 34 Comm: kworker/u4:2 Not tainted 6.7.0-rc4-syzkaller-00839-gbf17b36ccdd5 #0 [ 178.722954][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 178.733128][ C1] Workqueue: events_unbound toggle_allocation_gate [ 178.739839][ C1] RIP: 0010:smp_call_function_many_cond+0x4e4/0x1550 [ 178.748445][ 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 [ 178.768512][ C1] RSP: 0018:ffffc90000aaf930 EFLAGS: 00000293 [ 178.774595][ C1] RAX: 0000000000000000 RBX: ffff8880b98441a0 RCX: ffffffff817bd538 [ 178.782665][ C1] RDX: ffff888018258000 RSI: ffffffff817bd512 RDI: 0000000000000005 [ 178.790735][ C1] RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 [ 178.798890][ C1] R10: 0000000000000001 R11: 0000000000000006 R12: ffffed1017308835 [ 178.807128][ C1] R13: 0000000000000001 R14: ffff8880b98441a8 R15: ffff8880b993d8c0 [ 178.815546][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 178.824892][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 178.831603][ C1] CR2: 0000558e31c7a000 CR3: 000000000cd77000 CR4: 00000000003506f0 [ 178.839593][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 178.847586][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 178.855570][ C1] Call Trace: [ 178.859004][ C1] [ 178.862041][ C1] ? show_regs+0x8f/0xa0 [ 178.866410][ C1] ? rcu_check_gp_kthread_starvation+0x317/0x450 [ 178.873122][ C1] ? do_raw_spin_unlock+0x173/0x230 [ 178.878953][ C1] ? rcu_sched_clock_irq+0x2269/0x3150 [ 178.884463][ C1] ? rcu_note_context_switch+0x1ae0/0x1ae0 [ 178.890322][ C1] ? tick_sched_do_timer+0x2e0/0x2e0 [ 178.895635][ C1] ? update_process_times+0x17b/0x220 [ 178.901134][ C1] ? timer_clear_idle+0xa0/0xa0 [ 178.906039][ C1] ? update_wall_time+0x1c/0x40 [ 178.911016][ C1] ? tick_sched_handle+0x8e/0x170 [ 178.916245][ C1] ? tick_nohz_highres_handler+0xe9/0x110 [ 178.922420][ C1] ? __hrtimer_run_queues+0x647/0xc20 [ 178.929047][ C1] ? enqueue_hrtimer+0x310/0x310 [ 178.934189][ C1] ? ktime_get_update_offsets_now+0x3bc/0x610 [ 178.940377][ C1] ? hrtimer_interrupt+0x31b/0x800 [ 178.945607][ C1] ? __sysvec_apic_timer_interrupt+0x105/0x400 [ 178.952789][ C1] ? sysvec_apic_timer_interrupt+0x90/0xb0 [ 178.958746][ C1] [ 178.961900][ C1] [ 178.964973][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 178.971290][ C1] ? smp_call_function_many_cond+0x508/0x1550 [ 178.977474][ C1] ? smp_call_function_many_cond+0x4e2/0x1550 [ 178.983694][ C1] ? smp_call_function_many_cond+0x4e4/0x1550 [ 178.989819][ C1] ? __text_poke+0xca0/0xca0 [ 178.995321][ C1] ? __kmem_cache_alloc_node+0xc3/0x310 [ 179.000914][ C1] ? generic_smp_call_function_single_interrupt+0x20/0x20 [ 179.008177][ C1] ? apply_relocation+0x830/0x830 [ 179.013356][ C1] ? __text_poke+0xca0/0xca0 [ 179.018234][ C1] on_each_cpu_cond_mask+0x40/0x90 [ 179.023578][ C1] text_poke_bp_batch+0x22b/0x750 [ 179.028732][ C1] ? arch_jump_label_transform_apply+0x17/0x30 [ 179.035056][ C1] ? alternatives_enable_smp+0x400/0x400 [ 179.041095][ C1] ? __jump_label_patch+0x1db/0x400 [ 179.046338][ C1] ? text_poke_queue+0xef/0x180 [ 179.051223][ C1] ? arch_jump_label_transform_queue+0xc0/0x110 [ 179.057502][ C1] text_poke_finish+0x30/0x40 [ 179.062203][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 179.068306][ C1] jump_label_update+0x1d7/0x400 [ 179.073642][ C1] static_key_enable_cpuslocked+0x1b7/0x270 [ 179.079566][ C1] static_key_enable+0x1a/0x20 [ 179.084367][ C1] toggle_allocation_gate+0xf4/0x250 [ 179.089772][ C1] ? wake_up_kfence_timer+0x30/0x30 [ 179.095101][ C1] process_one_work+0x886/0x15d0 [ 179.100173][ C1] ? lock_sync+0x190/0x190 [ 179.104807][ C1] ? workqueue_congested+0x300/0x300 [ 179.110387][ C1] ? assign_work+0x1a0/0x250 [ 179.115001][ C1] worker_thread+0x8b9/0x1290 [ 179.120160][ C1] ? process_one_work+0x15d0/0x15d0 [ 179.125479][ C1] kthread+0x2c6/0x3a0 [ 179.129618][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 179.135038][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 179.140920][ C1] ret_from_fork+0x45/0x80 [ 179.145580][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 179.151344][ C1] ret_from_fork_asm+0x11/0x20 [ 179.156169][ C1]