Warning: Permanently added '10.128.15.194' (ECDSA) to the list of known hosts. [ 1422.643963][ T8494] IPVS: ftp: loaded support on port[0] = 21 [ 1422.738872][ T1405] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1422.751321][ T1405] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1422.775251][ T8486] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 1422.786296][ T8528] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1422.794290][ T8528] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1422.806131][ T8486] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1422.851434][ T8539] mmap: syz-executor973 (8539) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.rst. [ 1422.865909][ C0] hrtimer: interrupt took 43760 ns executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1534.805898][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1534.813140][ C1] rcu: 1-...!: (10406 ticks this GP) idle=caa/1/0x4000000000000000 softirq=10968/10972 fqs=2 [ 1534.824722][ C1] (t=10502 jiffies g=9101 q=48) [ 1534.829646][ C1] rcu: rcu_preempt kthread starved for 10499 jiffies! g9101 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 1534.841195][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 1534.851864][ C1] rcu: RCU grace-period kthread stack dump: [ 1534.857932][ C1] task:rcu_preempt state:R running task stack:29120 pid: 13 ppid: 2 flags:0x00004000 [ 1534.868971][ C1] Call Trace: [ 1534.872237][ C1] __schedule+0x90c/0x21a0 [ 1534.876668][ C1] ? io_schedule_timeout+0x140/0x140 [ 1534.881944][ C1] ? debug_object_destroy+0x210/0x210 [ 1534.887298][ C1] ? lock_downgrade+0x6d0/0x6d0 [ 1534.892134][ C1] schedule+0xcf/0x270 [ 1534.896192][ C1] schedule_timeout+0x148/0x250 [ 1534.901033][ C1] ? usleep_range+0x170/0x170 [ 1534.905689][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 1534.910870][ C1] ? __next_timer_interrupt+0x210/0x210 [ 1534.916423][ C1] ? prepare_to_swait_exclusive+0x2d0/0x2d0 [ 1534.922317][ C1] rcu_gp_kthread+0xbbe/0x1d70 [ 1534.927095][ C1] ? lock_downgrade+0x6d0/0x6d0 [ 1534.931939][ C1] ? rcu_core_si+0x10/0x10 [ 1534.936341][ C1] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 1534.942145][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 1534.947326][ C1] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1534.953562][ C1] ? __kthread_parkme+0x13f/0x1e0 [ 1534.958576][ C1] ? rcu_core_si+0x10/0x10 [ 1534.962980][ C1] kthread+0x3b1/0x4a0 [ 1534.967051][ C1] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 1534.972941][ C1] ret_from_fork+0x1f/0x30 [ 1534.977625][ C1] NMI backtrace for cpu 1 [ 1534.981935][ C1] CPU: 1 PID: 8664 Comm: syz-executor973 Not tainted 5.11.0-rc3-syzkaller #0 [ 1534.990700][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1535.000753][ C1] Call Trace: [ 1535.004024][ C1] [ 1535.006859][ C1] dump_stack+0x107/0x163 [ 1535.011191][ C1] nmi_cpu_backtrace.cold+0x44/0xd7 [ 1535.016380][ C1] ? lapic_can_unplug_cpu+0x80/0x80 [ 1535.021574][ C1] nmi_trigger_cpumask_backtrace+0x1b3/0x230 [ 1535.027545][ C1] rcu_dump_cpu_stacks+0x1f4/0x230 [ 1535.032648][ C1] rcu_sched_clock_irq.cold+0x48e/0xedf [ 1535.038187][ C1] ? find_held_lock+0x2d/0x110 [ 1535.042938][ C1] ? rcutree_dead_cpu+0x50/0x50 [ 1535.047779][ C1] ? __raise_softirq_irqoff+0x93/0x1e0 [ 1535.053240][ C1] update_process_times+0x16d/0x200 [ 1535.058430][ C1] tick_sched_handle+0x9b/0x180 [ 1535.063273][ C1] tick_sched_timer+0x1b0/0x2d0 [ 1535.068111][ C1] ? get_cpu_iowait_time_us+0x3f0/0x3f0 [ 1535.073646][ C1] __hrtimer_run_queues+0x1c0/0xe40 [ 1535.078841][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 1535.084809][ C1] ? ktime_get_update_offsets_now+0x268/0x340 [ 1535.090872][ C1] hrtimer_interrupt+0x334/0x940 [ 1535.095814][ C1] __sysvec_apic_timer_interrupt+0x146/0x540 [ 1535.101786][ C1] sysvec_apic_timer_interrupt+0x48/0x100 [ 1535.107494][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1535.113462][ C1] RIP: 0010:unwind_next_frame+0x112a/0x1f90 [ 1535.119632][ C1] Code: 00 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 18 4c 8b 44 24 20 48 8d b9 80 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 c3 08 00 00 4c 89 e6 48 8b 81 80 00 00 00 48 ba 00 00 00 00 [ 1535.139399][ C1] RSP: 0018:ffffc90000db06a0 EFLAGS: 00000246 [ 1535.145512][ C1] RAX: dffffc0000000000 RBX: 1ffff920001b60dc RCX: ffffc9000162f9b8 [ 1535.153469][ C1] RDX: 1ffff920002c5f47 RSI: ffffc9000162f9b8 RDI: ffffc9000162fa38 [ 1535.161437][ C1] RBP: 0000000000000001 R08: ffffffff8e0dae8a R09: ffffffff8e0dae8e [ 1535.169390][ C1] R10: 0000000000082083 R11: 0000000000000001 R12: ffffc90000db07c0 [ 1535.177346][ C1] R13: ffffc90000db07ad R14: ffffc90000db07c8 R15: ffffc90000db0778 [ 1535.185313][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1535.191462][ C1] ? get_stack_info+0x3c/0x90 [ 1535.196125][ C1] ? deref_stack_reg+0x150/0x150 [ 1535.201051][ C1] ? __unwind_start+0x51b/0x800 [ 1535.205885][ C1] ? create_prof_cpu_mask+0x20/0x20 [ 1535.211098][ C1] arch_stack_walk+0x7d/0xe0 [ 1535.215674][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1535.221815][ C1] stack_trace_save+0x8c/0xc0 [ 1535.226476][ C1] ? stack_trace_consume_entry+0x160/0x160 [ 1535.232275][ C1] ? lock_chain_count+0x20/0x20 [ 1535.237110][ C1] kasan_save_stack+0x1b/0x40 [ 1535.241792][ C1] ? kasan_save_stack+0x1b/0x40 [ 1535.246640][ C1] ? ____kasan_kmalloc.constprop.0+0x82/0xa0 [ 1535.252619][ C1] ? kmem_cache_alloc+0x1c6/0x440 [ 1535.257834][ C1] ? __build_skb+0x21/0x60 [ 1535.262242][ C1] ? __netdev_alloc_skb+0x20d/0x3f0 [ 1535.267426][ C1] ? __ieee80211_beacon_get+0xebe/0x1aa0 [ 1535.273059][ C1] ? ieee80211_beacon_get_tim+0x88/0x910 [ 1535.278693][ C1] ? mac80211_hwsim_beacon_tx+0x111/0x910 [ 1535.284399][ C1] ? __iterate_interfaces+0x1e5/0x520 [ 1535.289752][ C1] ? ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 [ 1535.296934][ C1] ? mac80211_hwsim_beacon+0xd5/0x1a0 [ 1535.302294][ C1] ? __hrtimer_run_queues+0x609/0xe40 [ 1535.307665][ C1] ? hrtimer_run_softirq+0x17b/0x360 [ 1535.312935][ C1] ? __do_softirq+0x2bc/0xa29 [ 1535.317596][ C1] ? asm_call_irq_on_stack+0xf/0x20 [ 1535.322775][ C1] ? do_softirq_own_stack+0xaa/0xd0 [ 1535.327967][ C1] ? irq_exit_rcu+0x134/0x200 [ 1535.333027][ C1] ? sysvec_apic_timer_interrupt+0x4d/0x100 [ 1535.339737][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1535.346091][ C1] ? sched_clock_cpu+0x18/0x1f0 [ 1535.350998][ C1] ? mark_held_locks+0x9f/0xe0 [ 1535.355741][ C1] ? irqtime_account_irq+0x187/0x2d0 [ 1535.361010][ C1] ? asm_sysvec_irq_work+0x12/0x20 [ 1535.366113][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 1535.371307][ C1] ? asm_sysvec_irq_work+0x12/0x20 [ 1535.376409][ C1] ? __build_skb+0x21/0x60 [ 1535.380821][ C1] ? mark_lock+0xf7/0x1720 [ 1535.385729][ C1] ? __slab_alloc.constprop.0+0x55/0xe0 [ 1535.391456][ C1] ? unpoison_range+0x3a/0x60 [ 1535.396317][ C1] ____kasan_kmalloc.constprop.0+0x82/0xa0 [ 1535.402122][ C1] kmem_cache_alloc+0x1c6/0x440 [ 1535.406959][ C1] __build_skb+0x21/0x60 [ 1535.411253][ C1] __netdev_alloc_skb+0x20d/0x3f0 [ 1535.416262][ C1] __ieee80211_beacon_get+0xebe/0x1aa0 [ 1535.421778][ C1] ? ieee80211_set_beacon_cntdwn+0x620/0x620 [ 1535.427739][ C1] ? sched_clock+0x2a/0x40 [ 1535.432135][ C1] ? sched_clock_cpu+0x18/0x1f0 [ 1535.436972][ C1] ? mark_held_locks+0x9f/0xe0 [ 1535.441723][ C1] ? irqtime_account_irq+0x187/0x2d0 [ 1535.446994][ C1] ieee80211_beacon_get_tim+0x88/0x910 [ 1535.452464][ C1] ? asm_sysvec_irq_work+0x12/0x20 [ 1535.457577][ C1] ? ieee80211_beacon_get_template+0x30/0x30 [ 1535.463539][ C1] ? __iterate_interfaces+0x1bd/0x520 [ 1535.468896][ C1] mac80211_hwsim_beacon_tx+0x111/0x910 [ 1535.474423][ C1] ? asm_sysvec_irq_work+0x12/0x20 [ 1535.479520][ C1] __iterate_interfaces+0x1e5/0x520 [ 1535.484714][ C1] ? mac80211_hwsim_tx_frame+0x1e0/0x1e0 [ 1535.490327][ C1] ? mac80211_hwsim_tx_frame+0x1e0/0x1e0 [ 1535.495943][ C1] ? mac80211_hwsim_addr_match+0x180/0x180 [ 1535.501736][ C1] ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 [ 1535.508741][ C1] mac80211_hwsim_beacon+0xd5/0x1a0 [ 1535.513921][ C1] __hrtimer_run_queues+0x609/0xe40 [ 1535.519105][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 1535.525066][ C1] ? ktime_get_update_offsets_now+0x268/0x340 [ 1535.531135][ C1] hrtimer_run_softirq+0x17b/0x360 [ 1535.536252][ C1] __do_softirq+0x2bc/0xa29 [ 1535.540751][ C1] asm_call_irq_on_stack+0xf/0x20 [ 1535.545755][ C1] [ 1535.548665][ C1] do_softirq_own_stack+0xaa/0xd0 [ 1535.553669][ C1] irq_exit_rcu+0x134/0x200 [ 1535.558167][ C1] sysvec_apic_timer_interrupt+0x4d/0x100 [ 1535.563868][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1535.570004][ C1] RIP: 0010:plist_check_head+0x2b/0x2d0 [ 1535.575549][ C1] Code: 57 41 56 41 55 41 54 49 89 fc 55 53 48 83 ec 20 e8 2a 53 9a fd 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 <0f> 85 02 02 00 00 49 8b 04 24 49 8b 2c 24 49 39 c4 0f 84 b7 00 00 [ 1535.595396][ C1] RSP: 0018:ffffc9000162fa68 EFLAGS: 00000246 [ 1535.601467][ C1] RAX: dffffc0000000000 RBX: ffffc900016ffb78 RCX: 0000000000000000 [ 1535.609440][ C1] RDX: 1ffff920001c2049 RSI: ffffffff83d87696 RDI: ffffc90000e10248 [ 1535.617392][ C1] RBP: ffffc900016ffb80 R08: 0000000000000000 R09: ffff88801c969beb [ 1535.625357][ C1] R10: ffffffff8166b893 R11: 0000000000000001 R12: ffffc90000e10248 [ 1535.633412][ C1] R13: ffffc90000e10248 R14: ffff88801c969be8 R15: 00000000006e5000 [ 1535.641375][ C1] ? __unqueue_futex+0x103/0x1b0 [ 1535.646298][ C1] ? plist_check_head+0x16/0x2d0 [ 1535.651227][ C1] ? plist_check_head+0x16/0x2d0 [ 1535.656155][ C1] plist_del+0x25/0x480 [ 1535.660302][ C1] __unqueue_futex+0xc9/0x1b0 [ 1535.664959][ C1] mark_wake_futex+0x10f/0x1a0 [ 1535.669703][ C1] futex_wake+0x3b4/0x490 [ 1535.674013][ C1] ? futex_wait_restart+0x200/0x200 [ 1535.679191][ C1] ? mark_lock+0xf7/0x1720 [ 1535.683590][ C1] ? lock_chain_count+0x20/0x20 [ 1535.688508][ C1] ? irqtime_account_irq+0x187/0x2d0 [ 1535.693777][ C1] do_futex+0x322/0x1960 [ 1535.698017][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 1535.703196][ C1] ? sched_clock+0x2a/0x40 [ 1535.707607][ C1] ? sched_clock_cpu+0x18/0x1f0 [ 1535.712464][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 1535.717641][ C1] ? sched_clock+0x2a/0x40 [ 1535.722037][ C1] ? sched_clock_cpu+0x18/0x1f0 [ 1535.726871][ C1] ? futex_exit_release+0x220/0x220 [ 1535.732058][ C1] ? asm_sysvec_irq_work+0x12/0x20 [ 1535.737153][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 1535.742337][ C1] ? asm_sysvec_irq_work+0x12/0x20 [ 1535.747434][ C1] ? __perf_event_init_context+0x310/0x310 [ 1535.753238][ C1] ? kcov_remote_stop+0x3f0/0x3f0 [ 1535.758260][ C1] ? do_fcntl+0xa3/0x1070 [ 1535.762571][ C1] __do_sys_futex+0x2a2/0x470 [ 1535.767490][ C1] ? do_futex+0x1960/0x1960 [ 1535.771977][ C1] ? syscall_enter_from_user_mode+0x1d/0x50 [ 1535.777852][ C1] do_syscall_64+0x2d/0x70 [ 1535.782250][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1535.788143][ C1] RIP: 0033:0x4490a9 [ 1535.792017][ C1] Code: e8 1c 13 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 1b 01 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1535.811863][ C1] RSP: 002b:00007efef09d0db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1535.820255][ C1] RAX: ffffffffffffffda RBX: 00000000006e5a08 RCX: 00000000004490a9 [ 1535.828381][ C1] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00000000006e5a0c [ 1535.836333][ C1] RBP: 00000000006e5a00 R08: 0000000000000000 R09: 0000000000000000 [ 1535.844376][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e5a0c [ 1535.852327][ C1] R13: 00007ffdd1fd5aff R14: 00007efef09d19c0 R15: 20c49ba5e353f7cf