Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.15.205' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 73.681598][ C1] [ 73.684100][ C1] ================================ [ 73.689324][ C1] WARNING: inconsistent lock state [ 73.694575][ C1] 5.11.0-rc5-next-20210129-syzkaller #0 Not tainted [ 73.701327][ C1] -------------------------------- [ 73.706990][ C1] inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. [ 73.714010][ C1] syz-executor217/8450 [HC1[1]:SC0[0]:HE0:SE1] takes: [ 73.721483][ C1] ffff888023d6e620 (&fs->lock){?.+.}-{2:2}, at: io_dismantle_req+0x66f/0xf60 [ 73.730403][ C1] {HARDIRQ-ON-W} state was registered at: [ 73.736248][ C1] lock_acquire+0x1a8/0x720 [ 73.741500][ C1] _raw_spin_lock+0x2a/0x40 [ 73.746414][ C1] set_fs_pwd+0x85/0x2a0 [ 73.751090][ C1] init_chdir+0xdf/0x127 [ 73.756699][ C1] devtmpfsd+0x76/0x333 [ 73.761032][ C1] kthread+0x3b1/0x4a0 [ 73.766175][ C1] ret_from_fork+0x1f/0x30 [ 73.771461][ C1] irq event stamp: 786 [ 73.775715][ C1] hardirqs last enabled at (785): [] _raw_spin_unlock_irq+0x1f/0x40 [ 73.785541][ C1] hardirqs last disabled at (786): [] sysvec_apic_timer_interrupt+0xc/0x100 [ 73.798428][ C1] softirqs last enabled at (664): [] unix_create1+0x484/0x570 [ 73.807698][ C1] softirqs last disabled at (662): [] unix_create1+0x401/0x570 [ 73.816932][ C1] [ 73.816932][ C1] other info that might help us debug this: [ 73.825292][ C1] Possible unsafe locking scenario: [ 73.825292][ C1] [ 73.833140][ C1] CPU0 [ 73.836446][ C1] ---- [ 73.839736][ C1] lock(&fs->lock); [ 73.843632][ C1] [ 73.847150][ C1] lock(&fs->lock); [ 73.851214][ C1] [ 73.851214][ C1] *** DEADLOCK *** [ 73.851214][ C1] [ 73.859437][ C1] 1 lock held by syz-executor217/8450: [ 73.864906][ C1] #0: ffff88802417c3e8 (&ctx->uring_lock){+.+.}-{3:3}, at: __do_sys_io_uring_enter+0x1071/0x1f30 [ 73.875578][ C1] [ 73.875578][ C1] stack backtrace: [ 73.881606][ C1] CPU: 1 PID: 8450 Comm: syz-executor217 Not tainted 5.11.0-rc5-next-20210129-syzkaller #0 [ 73.892351][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.902949][ C1] Call Trace: [ 73.906229][ C1] [ 73.909078][ C1] dump_stack+0x107/0x163 [ 73.913465][ C1] mark_lock.cold+0x61/0x8e [ 73.917985][ C1] ? mark_lock+0xef/0x17b0 [ 73.922451][ C1] ? lock_chain_count+0x20/0x20 [ 73.927829][ C1] ? mark_lock+0xef/0x17b0 [ 73.932646][ C1] ? lock_chain_count+0x20/0x20 [ 73.937693][ C1] ? mark_lock+0xef/0x17b0 [ 73.942114][ C1] ? lock_chain_count+0x20/0x20 [ 73.946966][ C1] ? lock_chain_count+0x20/0x20 [ 73.951833][ C1] __lock_acquire+0x1468/0x54c0 [ 73.956877][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.962982][ C1] lock_acquire+0x1a8/0x720 [ 73.967500][ C1] ? io_dismantle_req+0x66f/0xf60 [ 73.973535][ C1] ? lock_release+0x710/0x710 [ 73.978366][ C1] ? io_fail_links+0x2aa/0xa20 [ 73.983185][ C1] ? lock_downgrade+0x6d0/0x6d0 [ 73.988142][ C1] _raw_spin_lock+0x2a/0x40 [ 73.993683][ C1] ? io_dismantle_req+0x66f/0xf60 [ 73.999337][ C1] io_dismantle_req+0x66f/0xf60 [ 74.004642][ C1] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 74.011364][ C1] ? io_fail_links+0x2aa/0xa20 [ 74.016398][ C1] __io_free_req+0x3d/0x2e0 [ 74.021026][ C1] io_put_req+0xf9/0x570 [ 74.025290][ C1] io_link_timeout_fn+0x30c/0x480 [ 74.030485][ C1] ? io_connect+0x760/0x760 [ 74.035088][ C1] ? io_connect+0x760/0x760 [ 74.039604][ C1] __hrtimer_run_queues+0x609/0xe40 [ 74.044890][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 74.051779][ C1] ? ktime_get_update_offsets_now+0x268/0x340 [ 74.058248][ C1] hrtimer_interrupt+0x334/0x940 [ 74.067826][ C1] __sysvec_apic_timer_interrupt+0x146/0x540 [ 74.073832][ C1] asm_call_irq_on_stack+0xf/0x20 [ 74.078964][ C1] [ 74.082038][ C1] sysvec_apic_timer_interrupt+0xbd/0x100 [ 74.088229][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 74.094632][ C1] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 74.100621][ C1] Code: 0f 1f 44 00 00 55 48 8b 74 24 08 48 89 fd 48 83 c7 18 e8 de 04 55 f8 48 89 ef e8 36 ba 55 f8 e8 71 16 75 f8 fb bf 01 00 00 00 76 b9 49 f8 65 8b 05 5f 11 fe 76 85 c0 74 02 5d c3 e8 cb 66 fc [ 74.134013][ C1] RSP: 0018:ffffc9000166f978 EFLAGS: 00000206 [ 74.140342][ C1] RAX: 0000000000000311 RBX: ffff8881416eaa00 RCX: 1ffffffff1df7d02 [ 74.148353][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 [ 74.157139][ C1] RBP: ffff88802417c480 R08: 0000000000000001 R09: ffffffff8ef738e7 [ 74.165675][ C1] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88802417c480 [ 74.174851][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 74.183265][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 74.188953][ C1] io_queue_linked_timeout+0x194/0x1f0 [ 74.194426][ C1] __io_queue_sqe+0x328/0x1290 [ 74.200693][ C1] ? io_wq_submit_work+0x6e0/0x6e0 [ 74.205907][ C1] ? io_req_prep+0x321/0x4bc0 [ 74.211514][ C1] io_queue_sqe+0x631/0x10d0 [ 74.217128][ C1] io_submit_sqes+0x19b5/0x2720 [ 74.223134][ C1] ? io_queue_sqe+0x10d0/0x10d0 [ 74.228476][ C1] ? __do_sys_io_uring_enter+0x1071/0x1f30 [ 74.234737][ C1] ? mutex_lock_io_nested+0xf60/0xf60 [ 74.240644][ C1] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 74.247166][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.253416][ C1] __do_sys_io_uring_enter+0x107d/0x1f30 [ 74.259078][ C1] ? find_held_lock+0x2d/0x110 [ 74.263849][ C1] ? io_sq_thread+0x1890/0x1890 [ 74.268848][ C1] ? __up_read+0x1a1/0x7b0 [ 74.274217][ C1] ? _down_write_nest_lock+0x150/0x150 [ 74.282166][ C1] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 74.288996][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.297477][ C1] ? syscall_enter_from_user_mode+0x1d/0x50 [ 74.303944][ C1] do_syscall_64+0x2d/0x70 [ 74.308384][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.314726][ C1] RIP: 0033:0x441619 [ 74.319354][ C1] Code: e8 fc ab 02 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 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 74.345943][ C1] RSP: 002b:00007ffc10aa3e28 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa [ 74.355175][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441619 [ 74.363980][ C1] RDX: 0000000000000000 RSI: 0000000000004510 RDI: 0000000000000003 [ 74.373115][ C1] RBP: 00000000006cc018 R08: 0000000000000000 R09: 0000000000000000 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 74.381182][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004023c0 [ 74.389857][ C1] R13: 0000000000402450 R14: 0000000000000000 R15: 0000000000000000 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 executing program executing program executing program executing program executing program