Warning: Permanently added '10.128.0.38' (ECDSA) to the list of known hosts. syzkaller login: [ 1095.236766][ T8420] IPVS: ftp: loaded support on port[0] = 21 [ 1095.236772][ T8416] IPVS: ftp: loaded support on port[0] = 21 [ 1095.242396][ T8413] IPVS: ftp: loaded support on port[0] = 21 [ 1095.247260][ T8418] IPVS: ftp: loaded support on port[0] = 21 [ 1095.251820][ T8419] IPVS: ftp: loaded support on port[0] = 21 [ 1095.257989][ T8417] IPVS: ftp: loaded support on port[0] = 21 [ 1095.525489][ T27] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1095.541593][ T27] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1095.545899][ T8437] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1095.569540][ T8437] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1095.585951][ T8531] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1095.625178][ T8437] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1095.626133][ T8531] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1095.633685][ T113] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1095.664519][ T8437] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1095.671270][ T27] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1095.672873][ T113] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1095.697686][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1095.714385][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1095.742646][ T27] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1095.767285][ T8597] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1095.791635][ T8597] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1095.801864][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1095.822500][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 1095.839860][ T27] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1095.847957][ T27] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1095.866233][ C0] hrtimer: interrupt took 35890 ns [ 1095.909938][ T8597] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1095.918166][ T8597] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1095.960963][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1095.989455][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1096.063149][ T27] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1096.072391][ T8597] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1096.090498][ T8597] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1096.117093][ T27] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1096.159711][ T8574] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1096.170502][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1096.192707][ T8574] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program executing program executing program [ 1096.205897][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1096.221928][ T27] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1096.233941][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1096.247313][ T27] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1096.286784][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 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 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 [ 1477.139073][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 1477.145796][ C1] rcu: 1-....: (1 GPs behind) idle=dfa/1/0x4000000000000000 softirq=11057/11058 fqs=166 [ 1477.156388][ C1] (t=10500 jiffies g=9321 q=200) [ 1477.161416][ C1] NMI backtrace for cpu 1 [ 1477.165735][ C1] CPU: 1 PID: 8986 Comm: syz-executor041 Not tainted 5.11.0-syzkaller #0 [ 1477.174153][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1477.184656][ C1] Call Trace: [ 1477.187941][ C1] [ 1477.190786][ C1] dump_stack+0x107/0x163 [ 1477.195145][ C1] nmi_cpu_backtrace.cold+0x44/0xd7 [ 1477.200370][ C1] ? lapic_can_unplug_cpu+0x80/0x80 [ 1477.205573][ C1] nmi_trigger_cpumask_backtrace+0x1b3/0x230 [ 1477.211583][ C1] rcu_dump_cpu_stacks+0x1f4/0x230 [ 1477.216709][ C1] rcu_sched_clock_irq.cold+0x48e/0xedf [ 1477.222355][ C1] ? rcutree_dead_cpu+0x50/0x50 [ 1477.227207][ C1] ? lock_downgrade+0x6d0/0x6d0 [ 1477.232080][ C1] ? __raise_softirq_irqoff+0x93/0x1e0 [ 1477.238072][ C1] update_process_times+0x16d/0x200 [ 1477.243294][ C1] tick_sched_handle+0x9b/0x180 [ 1477.248245][ C1] tick_sched_timer+0x1b0/0x2d0 [ 1477.253105][ C1] ? get_cpu_iowait_time_us+0x3f0/0x3f0 [ 1477.258657][ C1] __hrtimer_run_queues+0x1c0/0xe40 [ 1477.263893][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 1477.269898][ C1] ? ktime_get_update_offsets_now+0x268/0x340 [ 1477.275977][ C1] hrtimer_interrupt+0x334/0x940 [ 1477.281111][ C1] __sysvec_apic_timer_interrupt+0x146/0x540 [ 1477.287442][ C1] sysvec_apic_timer_interrupt+0x48/0x100 [ 1477.293271][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1477.299693][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0x25/0x50 [ 1477.306444][ C1] Code: f8 5d c3 66 90 55 48 89 fd 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 9a d6 5b f8 48 89 ef e8 42 8b 5c f8 f6 c7 02 75 1a 53 9d 01 00 00 00 e8 81 92 50 f8 65 8b 05 7a f8 04 77 85 c0 74 0a 5b [ 1477.326142][ C1] RSP: 0018:ffffc90000db0b48 EFLAGS: 00000212 [ 1477.332215][ C1] RAX: 0000000000d38380 RBX: 0000000000000212 RCX: 1ffffffff1b46a19 [ 1477.340187][ C1] RDX: 0000000000000000 RSI: 0000000000000102 RDI: 0000000000000000 [ 1477.348157][ C1] RBP: ffffffff8fdbd018 R08: 0000000000000001 R09: 0000000000000001 [ 1477.356149][ C1] R10: ffffffff8178a8b8 R11: 000000000000003f R12: 0000000000000004 [ 1477.364118][ C1] R13: 0000000000000004 R14: dead000000000100 R15: dffffc0000000000 [ 1477.372092][ C1] ? trace_hardirqs_on+0x38/0x1c0 [ 1477.377153][ C1] debug_check_no_obj_freed+0x20c/0x420 [ 1477.383056][ C1] ? slab_free_freelist_hook+0xb9/0x150 [ 1477.388631][ C1] slab_free_freelist_hook+0x107/0x150 [ 1477.394094][ C1] ? skb_release_data+0x6d9/0x910 [ 1477.399121][ C1] kfree+0xdb/0x3b0 [ 1477.402934][ C1] skb_release_data+0x6d9/0x910 [ 1477.407796][ C1] consume_skb+0xc2/0x160 [ 1477.412128][ C1] mac80211_hwsim_tx_frame+0x157/0x1e0 [ 1477.417625][ C1] mac80211_hwsim_beacon_tx+0x4ba/0x910 [ 1477.423204][ C1] __iterate_interfaces+0x1e5/0x520 [ 1477.428412][ C1] ? mac80211_hwsim_tx_frame+0x1e0/0x1e0 [ 1477.434070][ C1] ? mac80211_hwsim_tx_frame+0x1e0/0x1e0 [ 1477.439706][ C1] ? mac80211_hwsim_addr_match+0x180/0x180 [ 1477.445518][ C1] ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 [ 1477.452663][ C1] mac80211_hwsim_beacon+0xd5/0x1a0 [ 1477.457870][ C1] __hrtimer_run_queues+0x609/0xe40 [ 1477.463082][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 1477.469153][ C1] ? ktime_get_update_offsets_now+0x268/0x340 [ 1477.475231][ C1] hrtimer_run_softirq+0x17b/0x360 [ 1477.480436][ C1] __do_softirq+0x29b/0x9f6 [ 1477.484975][ C1] asm_call_irq_on_stack+0xf/0x20 [ 1477.490379][ C1] [ 1477.493525][ C1] do_softirq_own_stack+0xaa/0xd0 [ 1477.498983][ C1] irq_exit_rcu+0x134/0x200 [ 1477.503742][ C1] sysvec_apic_timer_interrupt+0x4d/0x100 [ 1477.509940][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1477.515993][ C1] RIP: 0010:unwind_next_frame+0x238/0x1f90 [ 1477.521854][ C1] Code: ff 39 d6 0f 83 54 12 00 00 48 ba 00 00 00 00 00 fc ff df 41 89 f0 4a 8d 3c 85 7c e0 b2 8e 49 89 f9 49 c1 e9 03 45 0f b6 0c 11 <48> 89 fa 83 e2 07 83 c2 03 44 38 ca 7c 32 45 84 c9 74 2d 4c 89 44 [ 1477.541446][ C1] RSP: 0018:ffffc90002d3f640 EFLAGS: 00000217 [ 1477.547515][ C1] RAX: 0000000000000000 RBX: 1ffff920005a7ed0 RCX: ffffffff88fa566c [ 1477.556851][ C1] RDX: dffffc0000000000 RSI: 000000000007fa56 RDI: ffffffff8ed2c9d4 [ 1477.565312][ C1] RBP: 0000000000000001 R08: 000000000007fa56 R09: 0000000000000000 [ 1477.573264][ C1] R10: 0000000000082083 R11: 0000000000000001 R12: ffffc90002d3f760 [ 1477.581477][ C1] R13: ffffc90002d3f74d R14: ffffc90002d3f768 R15: ffffc90002d3f718 [ 1477.589435][ C1] ? do_syscall_64+0x2c/0x70 [ 1477.594015][ C1] ? do_syscall_64+0x2d/0x70 [ 1477.598589][ C1] ? deref_stack_reg+0x150/0x150 [ 1477.603615][ C1] ? do_syscall_64+0x2d/0x70 [ 1477.608186][ C1] ? stack_trace_consume_entry+0xb7/0x160 [ 1477.613907][ C1] ? create_prof_cpu_mask+0x20/0x20 [ 1477.619090][ C1] arch_stack_walk+0x7d/0xe0 [ 1477.623948][ C1] ? do_syscall_64+0x2d/0x70 [ 1477.628522][ C1] stack_trace_save+0x8c/0xc0 [ 1477.633405][ C1] ? stack_trace_consume_entry+0x160/0x160 [ 1477.639202][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 1477.644395][ C1] ? _raw_spin_unlock_irq+0x2a/0x40 [ 1477.649575][ C1] ? finish_task_switch.isra.0+0x158/0x7e0 [ 1477.655367][ C1] kasan_save_stack+0x1b/0x40 [ 1477.660026][ C1] ? kasan_save_stack+0x1b/0x40 [ 1477.664957][ C1] ? ____kasan_kmalloc.constprop.0+0x82/0xa0 [ 1477.670919][ C1] ? __kmalloc+0x1db/0x3e0 [ 1477.675330][ C1] ? security_prepare_creds+0x10e/0x190 [ 1477.680859][ C1] ? prepare_creds+0x509/0x730 [ 1477.685908][ C1] ? copy_creds+0x9f/0x770 [ 1477.690324][ C1] ? copy_process+0x11d0/0x6fd0 [ 1477.695201][ C1] ? kernel_clone+0xe7/0xab0 [ 1477.699859][ C1] ? __do_sys_clone+0xc8/0x110 [ 1477.704622][ C1] ? do_syscall_64+0x2d/0x70 [ 1477.709216][ C1] ? io_schedule_timeout+0x140/0x140 [ 1477.714591][ C1] ? trace_hardirqs_on+0x38/0x1c0 [ 1477.719630][ C1] ? preempt_schedule_irq+0x82/0x90 [ 1477.724831][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1477.730984][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 1477.736169][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1477.742329][ C1] ? quarantine_reduce+0xc/0x200 [ 1477.747256][ C1] ? unpoison_range+0x3a/0x60 [ 1477.751917][ C1] ____kasan_kmalloc.constprop.0+0x82/0xa0 [ 1477.757715][ C1] __kmalloc+0x1db/0x3e0 [ 1477.761947][ C1] security_prepare_creds+0x10e/0x190 [ 1477.767324][ C1] prepare_creds+0x509/0x730 [ 1477.771902][ C1] copy_creds+0x9f/0x770 [ 1477.776133][ C1] copy_process+0x11d0/0x6fd0 [ 1477.780884][ C1] ? __lock_acquire+0x16c2/0x54f0 [ 1477.785986][ C1] ? __cleanup_sighand+0xb0/0xb0 [ 1477.790907][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 1477.795936][ C1] ? find_held_lock+0x2d/0x110 [ 1477.800687][ C1] ? kernel_clone+0x314/0xab0 [ 1477.805350][ C1] kernel_clone+0xe7/0xab0 [ 1477.809752][ C1] ? lock_downgrade+0x6d0/0x6d0 [ 1477.814593][ C1] ? copy_init_mm+0x20/0x20 [ 1477.819169][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 1477.824492][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 1477.829959][ C1] ? _raw_spin_unlock_irq+0x2a/0x40 [ 1477.835143][ C1] ? finish_task_switch.isra.0+0x158/0x7e0 [ 1477.840937][ C1] ? finish_task_switch.isra.0+0x122/0x7e0 [ 1477.846728][ C1] ? __switch_to+0x57c/0x1050 [ 1477.851567][ C1] __do_sys_clone+0xc8/0x110 [ 1477.856229][ C1] ? kernel_clone+0xab0/0xab0 [ 1477.860896][ C1] ? syscall_enter_from_user_mode+0x1d/0x50 [ 1477.866776][ C1] do_syscall_64+0x2d/0x70 [ 1477.871174][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1477.877075][ C1] RIP: 0033:0x44eb29 [ 1477.880953][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 18 00 00 90 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 1477.900628][ C1] RSP: 002b:00007f8444148208 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1477.909036][ C1] RAX: ffffffffffffffda RBX: 00000000004cc3e8 RCX: 000000000044eb29 [ 1477.917074][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 1477.925153][ C1] RBP: 00000000004cc3e0 R08: 0000000000000000 R09: 0000000000000000 [ 1477.933120][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cc3ec [ 1477.941182][ C1] R13: 00007ffdbe28706f R14: 00007f8444148300 R15: 0000000000022000 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