[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.46' (ECDSA) to the list of known hosts. syzkaller login: [ 63.840854][ T6850] IPVS: ftp: loaded support on port[0] = 21 [ 63.843428][ T6854] IPVS: ftp: loaded support on port[0] = 21 [ 63.852770][ T6848] IPVS: ftp: loaded support on port[0] = 21 [ 63.856445][ T6853] IPVS: ftp: loaded support on port[0] = 21 [ 63.860407][ T6852] IPVS: ftp: loaded support on port[0] = 21 [ 63.869184][ T6851] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 71.288173][ T9065] ttyprintk ttyprintk: tty_port_close_start: tty->count = 1 port count = 1052 [ 71.300383][ C1] [ 71.300390][ C1] ====================================================== [ 71.300395][ C1] WARNING: possible circular locking dependency detected [ 71.300399][ C1] 5.9.0-rc6-syzkaller #0 Not tainted [ 71.300404][ C1] ------------------------------------------------------ [ 71.300409][ C1] syz-executor628/9065 is trying to acquire lock: [ 71.300413][ C1] ffffffff8a05ac20 (console_owner){-.-.}-{0:0}, at: console_unlock+0x439/0xe60 [ 71.300427][ C1] [ 71.300431][ C1] but task is already holding lock: [ 71.300434][ C1] ffffffff8df57538 (&port->lock){-.-.}-{2:2}, at: tty_port_close_start.part.0+0x28/0x550 [ 71.300448][ C1] [ 71.300452][ C1] which lock already depends on the new lock. [ 71.300454][ C1] [ 71.300456][ C1] [ 71.300469][ C1] the existing dependency chain (in reverse order) is: [ 71.300471][ C1] [ 71.300473][ C1] -> #2 (&port->lock){-.-.}-{2:2}: [ 71.300485][ C1] _raw_spin_lock_irqsave+0x94/0xce [ 71.300489][ C1] tty_port_tty_get+0x1f/0x100 executing program [ 71.300492][ C1] tty_port_default_wakeup+0x11/0x40 [ 71.300496][ C1] serial8250_tx_chars+0x487/0xa80 [ 71.300500][ C1] serial8250_handle_irq.part.0+0x328/0x3d0 [ 71.300503][ C1] serial8250_default_handle_irq+0xb2/0x220 [ 71.300507][ C1] serial8250_interrupt+0xe6/0x190 [ 71.300511][ C1] __handle_irq_event_percpu+0x223/0xaa0 [ 71.300514][ C1] handle_irq_event+0x102/0x285 executing program executing program [ 71.300518][ C1] handle_edge_irq+0x25f/0xd00 [ 71.300521][ C1] asm_call_on_stack+0xf/0x20 [ 71.300524][ C1] common_interrupt+0x115/0x1f0 [ 71.300528][ C1] asm_common_interrupt+0x1e/0x40 [ 71.300531][ C1] native_safe_halt+0xe/0x10 [ 71.300534][ C1] acpi_idle_do_entry+0x1e8/0x330 [ 71.300538][ C1] acpi_idle_enter+0x35a/0x550 [ 71.300541][ C1] cpuidle_enter_state+0x1ab/0xd20 [ 71.300544][ C1] cpuidle_enter+0x4a/0xa0 [ 71.300547][ C1] do_idle+0x48e/0x730 [ 71.300550][ C1] cpu_startup_entry+0x14/0x20 [ 71.300553][ C1] start_kernel+0x490/0x4b1 [ 71.300557][ C1] secondary_startup_64+0xa4/0xb0 [ 71.300559][ C1] [ 71.300560][ C1] -> #1 (&port_lock_key){-.-.}-{2:2}: [ 71.300572][ C1] _raw_spin_lock_irqsave+0x94/0xce [ 71.300587][ C1] serial8250_console_write+0x200/0xb30 [ 71.300590][ C1] console_unlock+0xadb/0xe60 [ 71.300593][ C1] vprintk_emit+0x2ff/0x740 [ 71.300597][ C1] vprintk_func+0x8d/0x1d4 [ 71.300600][ C1] printk+0xba/0xed [ 71.300603][ C1] register_console+0x55f/0x830 [ 71.300607][ C1] univ8250_console_init+0x3a/0x46 [ 71.300610][ C1] console_init+0x421/0x619 [ 71.300614][ C1] start_kernel+0x31c/0x4b1 [ 71.300618][ C1] secondary_startup_64+0xa4/0xb0 [ 71.300619][ C1] [ 71.300621][ C1] -> #0 (console_owner){-.-.}-{0:0}: [ 71.300633][ C1] __lock_acquire+0x2a96/0x5780 [ 71.300636][ C1] lock_acquire+0x1f3/0xaf0 [ 71.300640][ C1] console_unlock+0x4a1/0xe60 [ 71.300643][ C1] vprintk_emit+0x2ff/0x740 [ 71.300646][ C1] vprintk_func+0x8d/0x1d4 [ 71.300649][ C1] printk+0xba/0xed [ 71.300654][ C1] tty_port_close_start.part.0+0x503/0x550 [ 71.300657][ C1] tty_port_close+0x46/0x170 [ 71.300661][ C1] tty_release+0x455/0xf60 [ 71.300664][ C1] __fput+0x285/0x920 [ 71.300667][ C1] task_work_run+0xdd/0x190 [ 71.300670][ C1] exit_to_user_mode_prepare+0x1e1/0x200 [ 71.300674][ C1] syscall_exit_to_user_mode+0x7e/0x2e0 [ 71.300679][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.300680][ C1] [ 71.300684][ C1] other info that might help us debug this: [ 71.300685][ C1] [ 71.300688][ C1] Chain exists of: [ 71.300690][ C1] console_owner --> &port_lock_key --> &port->lock [ 71.300704][ C1] [ 71.300707][ C1] Possible unsafe locking scenario: [ 71.300709][ C1] [ 71.300713][ C1] CPU0 CPU1 [ 71.300715][ C1] ---- ---- [ 71.300717][ C1] lock(&port->lock); [ 71.300725][ C1] lock(&port_lock_key); [ 71.300732][ C1] lock(&port->lock); [ 71.300739][ C1] lock(console_owner); [ 71.300745][ C1] [ 71.300747][ C1] *** DEADLOCK *** [ 71.300749][ C1] [ 71.300752][ C1] 3 locks held by syz-executor628/9065: [ 71.300754][ C1] #0: ffff8880913a51c0 (&tty->legacy_mutex){+.+.}-{3:3}, at: tty_lock+0xbd/0x120 [ 71.300767][ C1] #1: ffffffff8df57538 (&port->lock){-.-.}-{2:2}, at: tty_port_close_start.part.0+0x28/0x550 [ 71.300781][ C1] #2: ffffffff8a05aea0 (console_lock){+.+.}-{0:0}, at: vprintk_func+0x8d/0x1d4 [ 71.300793][ C1] [ 71.300796][ C1] stack backtrace: [ 71.300800][ C1] CPU: 1 PID: 9065 Comm: syz-executor628 Not tainted 5.9.0-rc6-syzkaller #0 [ 71.300806][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.300808][ C1] Call Trace: [ 71.300810][ C1] dump_stack+0x198/0x1fd [ 71.300813][ C1] check_noncircular+0x324/0x3e0 [ 71.300816][ C1] ? print_circular_bug+0x3a0/0x3a0 [ 71.300819][ C1] ? memcpy+0x39/0x60 [ 71.300822][ C1] ? lock_repin_lock+0x460/0x460 [ 71.300825][ C1] ? mark_lock+0x82/0x1660 [ 71.300828][ C1] __lock_acquire+0x2a96/0x5780 [ 71.300832][ C1] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 71.300836][ C1] lock_acquire+0x1f3/0xaf0 [ 71.300839][ C1] ? console_unlock+0x439/0xe60 [ 71.300842][ C1] ? lock_release+0x8f0/0x8f0 [ 71.300845][ C1] ? lock_downgrade+0x830/0x830 [ 71.300848][ C1] ? do_raw_spin_lock+0x120/0x2b0 [ 71.300850][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 71.300853][ C1] console_unlock+0x4a1/0xe60 [ 71.300856][ C1] ? console_unlock+0x439/0xe60 [ 71.300859][ C1] vprintk_emit+0x2ff/0x740 [ 71.300862][ C1] vprintk_func+0x8d/0x1d4 [ 71.300864][ C1] printk+0xba/0xed [ 71.300867][ C1] ? log_store.cold+0x16/0x16 [ 71.300871][ C1] ? check_preemption_disabled+0x50/0x130 [ 71.300875][ C1] ? lockdep_hardirqs_off+0x96/0xd0 [ 71.300879][ C1] tty_port_close_start.part.0+0x503/0x550 [ 71.300881][ C1] tty_port_close+0x46/0x170 [ 71.300884][ C1] ? tpk_open+0x60/0x60 [ 71.300887][ C1] tty_release+0x455/0xf60 [ 71.300889][ C1] __fput+0x285/0x920 [ 71.300892][ C1] ? tty_release_struct+0xe0/0xe0 [ 71.300895][ C1] task_work_run+0xdd/0x190 [ 71.300898][ C1] exit_to_user_mode_prepare+0x1e1/0x200 [ 71.300901][ C1] syscall_exit_to_user_mode+0x7e/0x2e0 [ 71.300904][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.300906][ C1] RIP: 0033:0x4066e1 [ 71.300916][ C1] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 6a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 b3 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 71.300919][ C1] RSP: 002b:00007ffe69617e80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 71.300926][ C1] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004066e1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 71.300930][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 71.300935][ C1] RBP: 00000000006e39f0 R08: 0000000000000000 R09: 0000000000000000 [ 71.300939][ C1] R10: 00007ffe69617eb0 R11: 0000000000000293 R12: 00000000006e39fc [ 71.300943][ C1] R13: 0000000000000001 R14: 000000000000002d R15: 20c49ba5e353f7cf executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 72.532988][ T9179] ttyprintk ttyprintk: tty_port_close_start: tty->count = 1 port count = 79 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program