[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 18.596407] audit: type=1400 audit(1518287289.030:6): avc: denied { map } for pid=4154 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.901452] audit: type=1400 audit(1518287295.335:7): avc: denied { map } for pid=4168 comm="syzkaller210621" path="/root/syzkaller210621638" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 24.932885] [ 24.934519] ====================================================== [ 24.940803] WARNING: possible circular locking dependency detected [ 24.947092] 4.15.0+ #307 Not tainted [ 24.950771] ------------------------------------------------------ [ 24.957058] syzkaller210621/4168 is trying to acquire lock: [ 24.962735] (rtnl_mutex){+.+.}, at: [<00000000d3077506>] rtnl_lock+0x17/0x20 [ 24.969988] [ 24.969988] but task is already holding lock: [ 24.975926] (&xt[i].mutex){+.+.}, at: [<000000009e1704dc>] xt_find_table_lock+0x3e/0x3e0 [ 24.984217] [ 24.984217] which lock already depends on the new lock. [ 24.984217] [ 24.992501] [ 24.992501] the existing dependency chain (in reverse order) is: [ 25.000089] [ 25.000089] -> #2 (&xt[i].mutex){+.+.}: [ 25.005518] __mutex_lock+0x16f/0x1a80 [ 25.009895] mutex_lock_nested+0x16/0x20 [ 25.014445] xt_find_table_lock+0x3e/0x3e0 [ 25.019168] xt_request_find_table_lock+0x28/0xc0 [ 25.024510] get_info+0x154/0x690 [ 25.028452] do_arpt_get_ctl+0x2a9/0xa00 [ 25.033007] nf_getsockopt+0x6a/0xc0 [ 25.037223] ip_getsockopt+0x15c/0x220 [ 25.041602] tcp_getsockopt+0x82/0xd0 [ 25.045898] sock_common_getsockopt+0x95/0xd0 [ 25.050882] SyS_getsockopt+0x178/0x340 [ 25.055349] do_syscall_64+0x282/0x940 [ 25.059728] entry_SYSCALL_64_after_hwframe+0x26/0x9b [ 25.065405] [ 25.065405] -> #1 (sk_lock-AF_INET){+.+.}: [ 25.071093] lock_sock_nested+0xc2/0x110 [ 25.075645] do_ip_setsockopt.isra.12+0x1d9/0x3210 [ 25.081062] ip_setsockopt+0x3a/0xa0 [ 25.085266] tcp_setsockopt+0x82/0xd0 [ 25.089556] sock_common_setsockopt+0x95/0xd0 [ 25.094541] SyS_setsockopt+0x189/0x360 [ 25.099006] do_syscall_64+0x282/0x940 [ 25.103397] entry_SYSCALL_64_after_hwframe+0x26/0x9b [ 25.109077] [ 25.109077] -> #0 (rtnl_mutex){+.+.}: [ 25.114334] lock_acquire+0x1d5/0x580 [ 25.118626] __mutex_lock+0x16f/0x1a80 [ 25.123006] mutex_lock_nested+0x16/0x20 [ 25.127567] rtnl_lock+0x17/0x20 [ 25.131425] unregister_netdevice_notifier+0x91/0x4e0 [ 25.137122] tee_tg_destroy+0x61/0xc0 [ 25.141414] cleanup_entry+0x218/0x350 [ 25.145790] __do_replace+0x79d/0xa50 [ 25.150087] do_ipt_set_ctl+0x40f/0x5f0 [ 25.154553] nf_setsockopt+0x67/0xc0 [ 25.158757] ip_setsockopt+0x97/0xa0 [ 25.162962] tcp_setsockopt+0x82/0xd0 [ 25.167255] sock_common_setsockopt+0x95/0xd0 [ 25.172242] SyS_setsockopt+0x189/0x360 [ 25.176711] do_syscall_64+0x282/0x940 [ 25.181094] entry_SYSCALL_64_after_hwframe+0x26/0x9b [ 25.186772] [ 25.186772] other info that might help us debug this: [ 25.186772] [ 25.194882] Chain exists of: [ 25.194882] rtnl_mutex --> sk_lock-AF_INET --> &xt[i].mutex [ 25.194882] [ 25.205086] Possible unsafe locking scenario: [ 25.205086] [ 25.211110] CPU0 CPU1 [ 25.215743] ---- ---- [ 25.220378] lock(&xt[i].mutex); [ 25.223799] lock(sk_lock-AF_INET); [ 25.229998] lock(&xt[i].mutex); [ 25.235944] lock(rtnl_mutex); [ 25.239191] [ 25.239191] *** DEADLOCK *** [ 25.239191] [ 25.245219] 1 lock held by syzkaller210621/4168: [ 25.249951] #0: (&xt[i].mutex){+.+.}, at: [<000000009e1704dc>] xt_find_table_lock+0x3e/0x3e0 [ 25.258695] [ 25.258695] stack backtrace: [ 25.263169] CPU: 1 PID: 4168 Comm: syzkaller210621 Not tainted 4.15.0+ #307 [ 25.270237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.279560] Call Trace: [ 25.282126] dump_stack+0x194/0x257 [ 25.285725] ? arch_local_irq_restore+0x53/0x53 [ 25.290369] print_circular_bug.isra.38+0x2cd/0x2dc [ 25.295357] ? save_trace+0xe0/0x2b0 [ 25.299042] __lock_acquire+0x30a8/0x3e00 [ 25.303165] ? print_irqtrace_events+0x270/0x270 [ 25.307897] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.313064] ? __lock_acquire+0x664/0x3e00 [ 25.317272] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.322435] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.327609] ? check_noncircular+0x20/0x20 [ 25.331814] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.336977] ? check_noncircular+0x20/0x20 [ 25.341187] lock_acquire+0x1d5/0x580 [ 25.344959] ? lock_acquire+0x1d5/0x580 [ 25.348905] ? rtnl_lock+0x17/0x20 [ 25.352416] ? lock_release+0xa40/0xa40 [ 25.356360] ? trace_event_raw_event_sched_switch+0x810/0x810 [ 25.362218] ? rcu_note_context_switch+0x710/0x710 [ 25.367120] ? __lock_acquire+0x664/0x3e00 [ 25.371325] ? __might_sleep+0x95/0x190 [ 25.375271] ? rtnl_lock+0x17/0x20 [ 25.378787] __mutex_lock+0x16f/0x1a80 [ 25.382645] ? rtnl_lock+0x17/0x20 [ 25.386158] ? rtnl_lock+0x17/0x20 [ 25.389669] ? lock_release+0xa40/0xa40 [ 25.393619] ? mutex_lock_io_nested+0x1900/0x1900 [ 25.398433] ? __free_insn_slot+0x5c0/0x5c0 [ 25.402729] ? is_bpf_text_address+0xa4/0x120 [ 25.407199] ? rcutorture_record_progress+0x10/0x10 [ 25.412205] ? is_bpf_text_address+0xa4/0x120 [ 25.416677] ? kernel_text_address+0x102/0x140 [ 25.421228] ? __kernel_text_address+0xd/0x40 [ 25.425697] ? unwind_get_return_address+0x61/0xa0 [ 25.430597] ? __save_stack_trace+0x7e/0xd0 [ 25.434892] ? check_noncircular+0x20/0x20 [ 25.439100] ? save_stack+0xa3/0xd0 [ 25.442697] ? save_stack+0x43/0xd0 [ 25.446293] ? kasan_kmalloc+0xad/0xe0 [ 25.450156] ? __kmalloc_node+0x47/0x70 [ 25.454102] ? kvmalloc_node+0x99/0xd0 [ 25.457963] ? xt_replace_table+0x23c/0x9d0 [ 25.462255] ? __do_replace+0x2e3/0xa50 [ 25.466198] ? do_ipt_set_ctl+0x40f/0x5f0 [ 25.470318] ? pcpu_chunk_relocate+0x315/0x770 [ 25.474874] ? print_irqtrace_events+0x270/0x270 [ 25.479600] ? free_percpu+0x229/0x830 [ 25.483458] ? lock_downgrade+0x980/0x980 [ 25.487578] ? __lock_is_held+0xb6/0x140 [ 25.491610] ? lock_release+0xa40/0xa40 [ 25.495555] ? tee_tg6+0x170/0x170 [ 25.499068] mutex_lock_nested+0x16/0x20 [ 25.503099] ? mutex_lock_nested+0x16/0x20 [ 25.507305] rtnl_lock+0x17/0x20 [ 25.510643] unregister_netdevice_notifier+0x91/0x4e0 [ 25.515802] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.520788] ? trace_hardirqs_on+0xd/0x10 [ 25.524905] ? register_netdevice_notifier+0x860/0x860 [ 25.530154] ? free_percpu+0x22e/0x830 [ 25.534016] ? __alloc_percpu+0x30/0x30 [ 25.537964] ? find_next_bit+0xcc/0x100 [ 25.541909] ? cpumask_next+0x24/0x30 [ 25.545682] ? __lock_is_held+0xb6/0x140 [ 25.549713] ? tee_tg6+0x170/0x170 [ 25.553222] tee_tg_destroy+0x61/0xc0 [ 25.556995] cleanup_entry+0x218/0x350 [ 25.560856] ? cleanup_match+0x220/0x220 [ 25.564888] ? trace_event_raw_event_sched_switch+0x810/0x810 [ 25.570746] ? find_next_bit+0xa2/0x100 [ 25.574692] __do_replace+0x79d/0xa50 [ 25.578465] ? compat_table_info+0x470/0x470 [ 25.582845] ? kasan_check_write+0x14/0x20 [ 25.587050] ? _copy_from_user+0x99/0x110 [ 25.591170] do_ipt_set_ctl+0x40f/0x5f0 [ 25.595114] ? translate_compat_table+0x1b90/0x1b90 [ 25.600103] ? mutex_unlock+0xd/0x10 [ 25.603786] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 25.609040] nf_setsockopt+0x67/0xc0 [ 25.612727] ip_setsockopt+0x97/0xa0 [ 25.616411] tcp_setsockopt+0x82/0xd0 [ 25.620183] sock_common_setsockopt+0x95/0xd0 [ 25.624658] SyS_setsockopt+0x189/0x360 [ 25.628606] ? SyS_recv+0x40/0x40 [ 25.632037] ? mm_fault_error+0x2c0/0x2c0 [ 25.636157] ? move_addr_to_kernel+0x60/0x60 [ 25.640539] ? do_syscall_64+0xb7/0x940 [ 25.644481] ? SyS_recv+0x40/0x40 [ 25.647903] do_syscall_64+0x282/0x940 [ 25.651760] ? __do_page_fault+0xc90/0xc90 [ 25.655965] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.660692] ? syscall_return_slowpath+0x550/0x550 [ 25.665590] ? syscall_return_slowpath+0x2ac/0x550 [ 25.670488] ? prepare_exit_to_usermode+0x350/0x350 [ 25.675475] ? entry_SYSCALL_64_after_hwframe+0x36/0x9b [ 25.680807] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.685620] entry_SYSCALL_64_after_hwframe+0x26/0x9b [ 25.690781] RIP: 0033:0x44461a [ 25.693942] RSP: 002b:00007ffc2bfdc228 EFLAGS: 00000202 ORIG_RAX: 0000000000000036 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.701619] RAX: ffffffffffffffda RBX: 00000000006d0e00 RCX: 000000000044461a [ 25.708857] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 25.716099] RBP: 00000000006d0e00 R08: 0000000000000240 R09: 0000000000004000 [ 25.723338] R10: 00000000006d0da0 R11: 0000000000000202 R12: 00007ffc2bfdc250 [ 25.730580] R13: 00000000006d1b80 R14: 0000000000000003 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program