Warning: Permanently added '10.128.1.56' (ECDSA) to the list of known hosts.
syzkaller login: [ 1263.553884][ T8482] IPVS: ftp: loaded support on port[0] = 21
[ 1263.557955][ T8481] IPVS: ftp: loaded support on port[0] = 21
[ 1263.569586][ T8479] IPVS: ftp: loaded support on port[0] = 21
[ 1263.570156][ T8484] IPVS: ftp: loaded support on port[0] = 21
[ 1263.581775][ T8477] IPVS: ftp: loaded support on port[0] = 21
[ 1263.591517][ T8483] IPVS: ftp: loaded support on port[0] = 21
[ 1263.851393][ T344] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1263.851398][ T8514] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1263.851442][ T8514] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1263.875187][ T344] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1263.926784][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 1263.935673][ T344] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1263.954991][ T913] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1263.973574][ T344] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1263.990410][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 1263.992938][ T913] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1264.014531][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 1264.040451][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 1264.052347][ T8514] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1264.062363][ T8514] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1264.073152][ T913] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1264.082022][ T344] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1264.083817][ T8677] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1264.091329][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 1264.105452][ T913] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1264.111409][ T344] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1264.113335][ T8677] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1264.126399][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
executing program
[ 1264.135715][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 1264.143996][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
executing program
[ 1264.182746][ C0] hrtimer: interrupt took 39020 ns
[ 1264.196053][ T8677] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1267.068022][ T8677] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1267.076143][ T8593] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 1267.111826][ T913] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1267.205657][ T8514] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1267.214157][ T913] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 1267.228368][ T8677] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 1267.244210][ T8514] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
executing program
[ 1267.254986][ T8677] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
executing program
[ 1267.447795][ T8593] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 1267.466040][ T8593] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 1267.476041][ T8593] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
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[ 1380.932758][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 1380.939836][ C0] rcu: 0-...!: (1 GPs behind) idle=3c2/1/0x4000000000000000 softirq=9620/9673 fqs=25
[ 1380.949719][ C0] (t=10500 jiffies g=8345 q=342)
[ 1380.954732][ C0] rcu: rcu_preempt kthread starved for 7747 jiffies! g8345 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 1380.965724][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 1380.975671][ C0] rcu: RCU grace-period kthread stack dump:
[ 1380.981543][ C0] task:rcu_preempt state:R running task stack:29176 pid: 11 ppid: 2 flags:0x00004000
[ 1380.992299][ C0] Call Trace:
[ 1380.995600][ C0] __schedule+0x893/0x2130
[ 1381.000011][ C0] ? io_schedule_timeout+0x140/0x140
[ 1381.005288][ C0] ? debug_object_destroy+0x210/0x210
[ 1381.010648][ C0] ? lock_downgrade+0x6d0/0x6d0
[ 1381.015486][ C0] schedule+0xcf/0x270
[ 1381.019545][ C0] schedule_timeout+0x148/0x250
[ 1381.024383][ C0] ? usleep_range+0x170/0x170
[ 1381.029049][ C0] ? lockdep_hardirqs_on+0x79/0x100
[ 1381.034234][ C0] ? __next_timer_interrupt+0x210/0x210
[ 1381.039776][ C0] ? prepare_to_swait_exclusive+0x2d0/0x2d0
[ 1381.045661][ C0] rcu_gp_kthread+0xb4c/0x1c90
[ 1381.050413][ C0] ? lock_downgrade+0x6d0/0x6d0
[ 1381.055251][ C0] ? rcu_core_si+0x10/0x10
[ 1381.059657][ C0] ? _raw_spin_unlock_irqrestore+0x42/0x50
[ 1381.065451][ C0] ? lockdep_hardirqs_on+0x79/0x100
[ 1381.070637][ C0] ? __kthread_parkme+0x13f/0x1e0
[ 1381.075645][ C0] ? rcu_core_si+0x10/0x10
[ 1381.080051][ C0] kthread+0x3b1/0x4a0
[ 1381.084130][ C0] ? kthread_create_worker_on_cpu+0xf0/0xf0
[ 1381.090014][ C0] ret_from_fork+0x1f/0x30
[ 1381.094425][ C0] NMI backtrace for cpu 0
[ 1381.098921][ C0] CPU: 0 PID: 8847 Comm: syz-executor864 Not tainted 5.10.0-rc7-syzkaller #0
[ 1381.107660][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1381.117696][ C0] Call Trace:
[ 1381.120965][ C0]
[ 1381.123807][ C0] dump_stack+0x107/0x163
[ 1381.128300][ C0] nmi_cpu_backtrace.cold+0x44/0xd7
[ 1381.133490][ C0] ? lapic_can_unplug_cpu+0x80/0x80
[ 1381.138680][ C0] nmi_trigger_cpumask_backtrace+0x1b3/0x230
[ 1381.144736][ C0] rcu_dump_cpu_stacks+0x1e3/0x21e
[ 1381.149841][ C0] rcu_sched_clock_irq.cold+0x472/0xee8
[ 1381.155573][ C0] ? do_raw_spin_unlock+0x171/0x230
[ 1381.160846][ C0] ? rcutree_dead_cpu+0x40/0x40
[ 1381.165687][ C0] ? timekeeping_advance+0x6f8/0xa40
[ 1381.170971][ C0] ? __raise_softirq_irqoff+0x93/0x1d0
[ 1381.176421][ C0] update_process_times+0x77/0xd0
[ 1381.181435][ C0] tick_sched_handle+0x9b/0x180
[ 1381.186270][ C0] tick_sched_timer+0x1d1/0x2a0
[ 1381.191106][ C0] ? can_stop_idle_tick+0x290/0x290
[ 1381.196293][ C0] __hrtimer_run_queues+0x1ce/0xea0
[ 1381.201488][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80
[ 1381.207457][ C0] ? ktime_get_update_offsets_now+0x249/0x320
[ 1381.213537][ C0] hrtimer_interrupt+0x334/0x940
[ 1381.218495][ C0] __sysvec_apic_timer_interrupt+0x146/0x540
[ 1381.224551][ C0] sysvec_apic_timer_interrupt+0x48/0x100
[ 1381.230432][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 1381.236396][ C0] RIP: 0010:lock_acquire+0x2c7/0x740
[ 1381.241666][ C0] Code: 48 c7 c7 40 5f 4b 89 48 83 c4 20 e8 c3 65 8f 07 b8 ff ff ff ff 65 0f c1 05 56 d2 ab 7e 83 f8 01 0f 85 36 03 00 00 ff 34 24 9d 3a fe ff ff 65 ff 05 fd c0 ab 7e 48 8b 05 b6 bf 82 0b e8 51 5a
[ 1381.261258][ C0] RSP: 0018:ffffc90000007ce0 EFLAGS: 00000246
[ 1381.267453][ C0] RAX: 0000000000000001 RBX: 1ffff92000000f9e RCX: 0000000000000001
[ 1381.275847][ C0] RDX: 1ffff11005bc07b2 RSI: 0000000000000102 RDI: 0000000000000000
[ 1381.283806][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ebaf667
[ 1381.291763][ C0] R10: fffffbfff1d75ecc R11: 0000000000000001 R12: 0000000000000002
[ 1381.299724][ C0] R13: ffffffff8b3378e0 R14: 0000000000000000 R15: 0000000000000000
[ 1381.307699][ C0] ? lock_release+0x710/0x710
[ 1381.312383][ C0] ? lockdep_hardirqs_on+0x79/0x100
[ 1381.317568][ C0] ? asm_sysvec_irq_work+0x12/0x20
[ 1381.322674][ C0] ? mac80211_hwsim_tx_frame+0x1e0/0x1e0
[ 1381.328293][ C0] ieee80211_iterate_active_interfaces_atomic+0x42/0x170
[ 1381.335299][ C0] ? _ieee802_11_parse_elems_crc+0x22c0/0x22c0
[ 1381.341441][ C0] ? mac80211_hwsim_addr_match+0x180/0x180
[ 1381.347232][ C0] mac80211_hwsim_beacon+0xd5/0x1a0
[ 1381.352415][ C0] ? mac80211_hwsim_addr_match+0x180/0x180
[ 1381.358209][ C0] __hrtimer_run_queues+0x693/0xea0
[ 1381.363402][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80
[ 1381.369370][ C0] ? ktime_get_update_offsets_now+0x249/0x320
[ 1381.375426][ C0] hrtimer_run_softirq+0x17b/0x360
[ 1381.380527][ C0] __do_softirq+0x2a0/0x9f6
[ 1381.385024][ C0] asm_call_irq_on_stack+0xf/0x20
[ 1381.390201][ C0]
[ 1381.393131][ C0] do_softirq_own_stack+0xaa/0xd0
[ 1381.398140][ C0] irq_exit_rcu+0x132/0x200
[ 1381.402632][ C0] sysvec_apic_timer_interrupt+0x4d/0x100
[ 1381.408338][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 1381.414306][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x25/0x50
[ 1381.420701][ C0] Code: f8 5d c3 66 90 55 48 89 fd 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 ca 3a 6e f8 48 89 ef e8 52 ef 6e f8 f6 c7 02 75 1a 53 9d 01 00 00 00 e8 61 5b 63 f8 65 8b 05 8a 05 1a 77 85 c0 74 0a 5b
[ 1381.440571][ C0] RSP: 0018:ffffc900021afc38 EFLAGS: 00000287
[ 1381.446628][ C0] RAX: 000000000000288f RBX: 0000000000000287 RCX: 1ffffffff19d8e91
[ 1381.454583][ C0] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
[ 1381.462538][ C0] RBP: ffff88802de02278 R08: 0000000000000001 R09: 0000000000000001
[ 1381.470581][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000287
[ 1381.478538][ C0] R13: ffff88802de02278 R14: ffff8880b9e34958 R15: ffff8880b9e34940
[ 1381.486513][ C0] try_to_wake_up+0x56b/0x1330
[ 1381.491267][ C0] ? migrate_swap_stop+0x9f0/0x9f0
[ 1381.496368][ C0] ? rwsem_optimistic_spin+0x560/0x560
[ 1381.501815][ C0] wake_up_q+0x96/0x100
[ 1381.505962][ C0] ? lockdep_hardirqs_on+0x79/0x100
[ 1381.511148][ C0] up_write+0x241/0x560
[ 1381.515291][ C0] ? do_raw_spin_unlock+0x171/0x230
[ 1381.520498][ C0] ? downgrade_write+0x3a0/0x3a0
[ 1381.525432][ C0] perf_fasync+0x88/0xb0
[ 1381.529661][ C0] ? __perf_event_init_context+0x310/0x310
[ 1381.535455][ C0] do_fcntl+0x667/0x1070
[ 1381.539686][ C0] ? f_setown+0x230/0x230
[ 1381.544002][ C0] ? __fget_light+0x4f/0x280
[ 1381.548584][ C0] ? check_memory_region+0xde/0x180
[ 1381.553775][ C0] ? tomoyo_file_fcntl+0x6e/0xc0
[ 1381.558700][ C0] ? bpf_lsm_file_fcntl+0x5/0x10
[ 1381.563629][ C0] __x64_sys_fcntl+0x165/0x1e0
[ 1381.568384][ C0] do_syscall_64+0x2d/0x70
[ 1381.572794][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 1381.578673][ C0] RIP: 0033:0x441f59
[ 1381.582554][ C0] Code: e8 0c e8 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 cb 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[ 1381.602146][ C0] RSP: 002b:00007ffe2cda5ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000048
[ 1381.610544][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441f59
[ 1381.618588][ C0] RDX: 0000000000042000 RSI: 0000000000000004 RDI: 0000000000000003
[ 1381.626717][ C0] RBP: 0000000000000000 R08: 0000002100000000 R09: 0000002100000000
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[ 1381.634674][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000136bc0
[ 1381.642630][ C0] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004