Warning: Permanently added '10.128.0.141' (ECDSA) to the list of known hosts.
syzkaller login: [ 1179.561166][ T8503] IPVS: ftp: loaded support on port[0] = 21
[ 1179.561845][ T8504] IPVS: ftp: loaded support on port[0] = 21
[ 1179.573367][ T8506] IPVS: ftp: loaded support on port[0] = 21
[ 1179.576829][ T8505] IPVS: ftp: loaded support on port[0] = 21
[ 1179.580649][ T8500] IPVS: ftp: loaded support on port[0] = 21
[ 1179.589276][ T8507] IPVS: ftp: loaded support on port[0] = 21
[ 1179.780955][ T8515] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1179.806782][ T8515] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1179.828379][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 1179.871268][ T24] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1179.897042][ T24] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1179.904734][ T8515] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1179.912727][ T8515] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
executing program
[ 1179.939381][ T8681] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1179.950533][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 1179.978691][ T8681] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1179.985320][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 1180.028522][ T24] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1180.039303][ T8515] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1180.054889][ T24] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1180.062274][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 1180.070024][ T8515] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1180.089109][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 1180.114780][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 1180.125152][ C1] hrtimer: interrupt took 34050 ns
executing program
[ 1180.134035][ T8515] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1180.141918][ T8515] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1180.152762][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 1180.166275][ T8681] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1180.175004][ T8681] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
executing program
[ 1180.186268][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 1180.222209][ T8714] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1180.245729][ T8652] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1180.275876][ T8714] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1180.289955][ T8652] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1180.298214][ T8515] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
executing program
[ 1180.405068][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 1180.415549][ T8714] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1180.426030][ T8714] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1180.436771][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 1180.501202][ T8515] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1180.514384][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 1180.526261][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
executing program
executing program
[ 1288.314052][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 1288.320910][ C0] rcu: 0-....: (10473 ticks this GP) idle=7c2/1/0x4000000000000000 softirq=8845/8847 fqs=4674
[ 1288.331869][ C0] (t=10500 jiffies g=8189 q=459)
[ 1288.336870][ C0] NMI backtrace for cpu 0
[ 1288.341171][ C0] CPU: 0 PID: 8747 Comm: syz-executor741 Not tainted 5.11.0-rc2-syzkaller #0
[ 1288.349905][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1288.359937][ C0] Call Trace:
[ 1288.363205][ C0]
[ 1288.366026][ C0] dump_stack+0x107/0x163
[ 1288.370531][ C0] nmi_cpu_backtrace.cold+0x44/0xd7
[ 1288.375709][ C0] ? lapic_can_unplug_cpu+0x80/0x80
[ 1288.380886][ C0] nmi_trigger_cpumask_backtrace+0x1b3/0x230
[ 1288.386846][ C0] rcu_dump_cpu_stacks+0x1f4/0x230
[ 1288.391940][ C0] rcu_sched_clock_irq.cold+0x48e/0xedf
[ 1288.397471][ C0] ? rcutree_dead_cpu+0x50/0x50
[ 1288.402313][ C0] ? do_raw_spin_unlock+0x171/0x230
[ 1288.407503][ C0] ? __raise_softirq_irqoff+0x93/0x1e0
[ 1288.412956][ C0] update_process_times+0x16d/0x200
[ 1288.418146][ C0] tick_sched_handle+0x9b/0x180
[ 1288.422981][ C0] tick_sched_timer+0x1b0/0x2d0
[ 1288.427819][ C0] ? get_cpu_iowait_time_us+0x3f0/0x3f0
[ 1288.433344][ C0] __hrtimer_run_queues+0x1c0/0xe40
[ 1288.438526][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80
[ 1288.444483][ C0] ? ktime_get_update_offsets_now+0x268/0x340
[ 1288.450532][ C0] hrtimer_interrupt+0x334/0x940
[ 1288.455629][ C0] __sysvec_apic_timer_interrupt+0x146/0x540
[ 1288.461589][ C0] sysvec_apic_timer_interrupt+0x48/0x100
[ 1288.467293][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 1288.473267][ C0] RIP: 0010:mac80211_hwsim_monitor_rx+0x2/0x840
[ 1288.479491][ C0] Code: a0 fc 48 8b 34 24 e9 c6 fe ff ff 48 89 34 24 e8 44 82 a0 fc 48 8b 34 24 e9 83 fe ff ff 90 66 2e 0f 1f 84 00 00 00 00 00 41 57 <41> 56 41 55 41 54 55 48 89 f5 53 48 89 fb 48 83 ec 10 48 89 14 24
[ 1288.499487][ C0] RSP: 0018:ffffc90000007cf0 EFLAGS: 00000246
[ 1288.505532][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100
[ 1288.513478][ C0] RDX: ffff88801b283350 RSI: ffff888027cb2b40 RDI: ffff88801b280c80
[ 1288.521424][ C0] RBP: ffff88801b280c80 R08: 0000000000000000 R09: 0000000000000000
[ 1288.529427][ C0] R10: ffffffff851544f7 R11: 0000000000000000 R12: ffff888027cb2b40
[ 1288.537380][ C0] R13: ffff88801b283350 R14: 0000000000000000 R15: ffff88801b280cd0
[ 1288.545331][ C0] ? mac80211_hwsim_tx_frame+0xb7/0x1e0
[ 1288.550875][ C0] mac80211_hwsim_tx_frame+0xd2/0x1e0
[ 1288.556227][ C0] mac80211_hwsim_beacon_tx+0x4ba/0x910
[ 1288.561772][ C0] __iterate_interfaces+0x1e5/0x520
[ 1288.566967][ C0] ? mac80211_hwsim_tx_frame+0x1e0/0x1e0
[ 1288.572578][ C0] ? mac80211_hwsim_tx_frame+0x1e0/0x1e0
[ 1288.578198][ C0] ? mac80211_hwsim_addr_match+0x180/0x180
[ 1288.583992][ C0] ieee80211_iterate_active_interfaces_atomic+0x8d/0x170
[ 1288.590994][ C0] mac80211_hwsim_beacon+0xd5/0x1a0
[ 1288.596182][ C0] __hrtimer_run_queues+0x609/0xe40
[ 1288.601363][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80
[ 1288.607329][ C0] ? ktime_get_update_offsets_now+0x268/0x340
[ 1288.613376][ C0] hrtimer_run_softirq+0x17b/0x360
[ 1288.618464][ C0] __do_softirq+0x2bc/0xa29
[ 1288.622953][ C0] asm_call_irq_on_stack+0xf/0x20
[ 1288.627958][ C0]
[ 1288.630882][ C0] do_softirq_own_stack+0xaa/0xd0
[ 1288.635883][ C0] irq_exit_rcu+0x134/0x200
[ 1288.640363][ C0] sysvec_apic_timer_interrupt+0x4d/0x100
[ 1288.646071][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 1288.652030][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40
[ 1288.657830][ C0] Code: 0f 1f 44 00 00 55 48 8b 74 24 08 48 89 fd 48 83 c7 18 e8 fe 37 5d f8 48 89 ef e8 c6 ec 5d f8 e8 11 0f 7d f8 fb bf 01 00 00 00 76 f3 51 f8 65 8b 05 bf 63 06 77 85 c0 74 02 5d c3 e8 2b b9 04
[ 1288.677415][ C0] RSP: 0018:ffffc9000249fa00 EFLAGS: 00000202
[ 1288.683458][ C0] RAX: 000000000006f8fd RBX: 0000000000000001 RCX: ffffffff81584837
[ 1288.691404][ C0] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001
[ 1288.699360][ C0] RBP: ffff8880b9e34c40 R08: 0000000000000001 R09: ffffffff8ed307b7
[ 1288.707312][ C0] R10: fffffbfff1da60f6 R11: 0000000001f9aaad R12: ffff8880b9e34c40
[ 1288.715263][ C0] R13: ffff888028038000 R14: ffffffff8ae65aa8 R15: ffff888028038000
[ 1288.723215][ C0] ? mark_lock+0xf7/0x1720
[ 1288.727614][ C0] __schedule+0x18cf/0x21a0
[ 1288.732110][ C0] ? io_schedule_timeout+0x140/0x140
[ 1288.737382][ C0] ? lockdep_hardirqs_on+0x79/0x100
[ 1288.742559][ C0] ? preempt_schedule_thunk+0x16/0x18
[ 1288.747911][ C0] preempt_schedule_common+0x45/0xc0
[ 1288.753175][ C0] preempt_schedule_thunk+0x16/0x18
[ 1288.758362][ C0] ? exit_signals+0x11a/0x8d0
[ 1288.763017][ C0] ? exit_signals+0x595/0x8d0
[ 1288.767669][ C0] exit_signals+0x59a/0x8d0
[ 1288.772160][ C0] do_exit+0x312/0x2ae0
[ 1288.776294][ C0] ? io_schedule_timeout+0x140/0x140
[ 1288.781554][ C0] ? mm_update_next_owner+0x7a0/0x7a0
[ 1288.786904][ C0] ? lockdep_hardirqs_on+0x79/0x100
[ 1288.792079][ C0] ? preempt_schedule_thunk+0x16/0x18
[ 1288.797427][ C0] ? preempt_schedule_common+0x59/0xc0
[ 1288.802875][ C0] do_group_exit+0x125/0x310
[ 1288.807442][ C0] get_signal+0x3e9/0x20a0
[ 1288.811844][ C0] arch_do_signal_or_restart+0x2a8/0x1eb0
[ 1288.817541][ C0] ? preempt_schedule_thunk+0x16/0x18
[ 1288.822906][ C0] ? copy_siginfo_to_user32+0xa0/0xa0
[ 1288.828260][ C0] ? kick_process+0xe0/0x180
[ 1288.832835][ C0] ? task_work_add+0x97/0x180
[ 1288.837501][ C0] exit_to_user_mode_prepare+0x148/0x250
[ 1288.843115][ C0] syscall_exit_to_user_mode+0x19/0x50
[ 1288.848551][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 1288.854423][ C0] RIP: 0033:0x447ee9
[ 1288.858305][ C0] Code: e8 6c e7 ff ff 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 3b 05 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[ 1288.877896][ C0] RSP: 002b:00007fe2c9c1fdb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000048
[ 1288.886371][ C0] RAX: 0000000000000000 RBX: 00000000006e29e8 RCX: 0000000000447ee9
[ 1288.894320][ C0] RDX: 0000000000042000 RSI: 0000000000000004 RDI: 0000000000000003
[ 1288.902272][ C0] RBP: 00000000006e29e0 R08: 0000000000000000 R09: 0000000000000000
[ 1288.910226][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e29ec
[ 1288.918181][ C0] R13: 00007ffe0f6957cf R14: 00007fe2c9c209c0 R15: 0000000000000064
[ 1289.114143][ T8590] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10580 jiffies s: 489 root: 0x1/.
[ 1289.162877][ T8590] rcu: blocking rcu_node structures:
[ 1289.168754][ T8590] Task dump for CPU 0:
[ 1289.172814][ T8590] task:syz-executor741 state:R running task stack:28464 pid: 8747 ppid: 8507 flags:0x0000400e
[ 1289.184652][ T8590] Call Trace:
[ 1289.187931][ T8590] ? _raw_spin_unlock_irq+0x25/0x40
[ 1289.193135][ T8590] ? __schedule+0x18cf/0x21a0
[ 1289.199269][ T8590] ? io_schedule_timeout+0x140/0x140
[ 1289.205116][ T8590] ? lockdep_hardirqs_on+0x79/0x100
[ 1289.210330][ T8590] ? preempt_schedule_thunk+0x16/0x18
[ 1289.216554][ T8590] ? preempt_schedule_common+0x45/0xc0
[ 1289.222016][ T8590] ? preempt_schedule_thunk+0x16/0x18
[ 1289.228265][ T8590] ? exit_signals+0x11a/0x8d0
[ 1289.232953][ T8590] ? exit_signals+0x595/0x8d0
[ 1289.238470][ T8590] ? exit_signals+0x59a/0x8d0
[ 1289.243641][ T8590] ? do_exit+0x312/0x2ae0
[ 1289.248810][ T8590] ? io_schedule_timeout+0x140/0x140
[ 1289.254631][ T8590] ? mm_update_next_owner+0x7a0/0x7a0
[ 1289.260007][ T8590] ? lockdep_hardirqs_on+0x79/0x100
[ 1289.266062][ T8590] ? preempt_schedule_thunk+0x16/0x18
[ 1289.271444][ T8590] ? preempt_schedule_common+0x59/0xc0
[ 1289.278191][ T8590] ? do_group_exit+0x125/0x310
[ 1289.282968][ T8590] ? get_signal+0x3e9/0x20a0
[ 1289.288571][ T8590] ? arch_do_signal_or_restart+0x2a8/0x1eb0
[ 1289.295075][ T8590] ? preempt_schedule_thunk+0x16/0x18
[ 1289.300462][ T8590] ? copy_siginfo_to_user32+0xa0/0xa0
[ 1289.306964][ T8590] ? kick_process+0xe0/0x180
[ 1289.311563][ T8590] ? task_work_add+0x97/0x180
[ 1289.317133][ T8590] ? exit_to_user_mode_prepare+0x148/0x250
[ 1289.322946][ T8590] ? syscall_exit_to_user_mode+0x19/0x50
[ 1289.329407][ T8590] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9