[....] Starting enhanced syslogd: rsyslogd[ 15.300047] audit: type=1400 audit(1517845776.113:5): avc: denied { syslog } for pid=3816 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 19.891965] audit: type=1400 audit(1517845780.705:6): avc: denied { map } for pid=3957 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 Warning: Permanently added '10.128.15.227' (ECDSA) to the list of known hosts. executing program [ 65.206346] audit: type=1400 audit(1517845826.020:7): avc: denied { map } for pid=3974 comm="syzkaller467219" path="/root/syzkaller467219231" 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 [ 65.213840] ipt_CLUSTERIP: ipt_CLUSTERIP is deprecated and it will removed soon, use xt_cluster instead [ 65.245621] [ 65.247294] ====================================================== [ 65.253595] WARNING: possible circular locking dependency detected [ 65.259887] 4.15.0+ #221 Not tainted [ 65.263572] ------------------------------------------------------ [ 65.269862] syzkaller467219/3974 is trying to acquire lock: [ 65.275541] (rtnl_mutex){+.+.}, at: [<00000000494b4ebe>] rtnl_lock+0x17/0x20 [ 65.282816] [ 65.282816] but task is already holding lock: [ 65.288756] (&xt[i].mutex){+.+.}, at: [<000000008a074e5a>] xt_find_table_lock+0x3e/0x3e0 [ 65.297050] [ 65.297050] which lock already depends on the new lock. [ 65.297050] [ 65.305351] [ 65.305351] the existing dependency chain (in reverse order) is: [ 65.312943] [ 65.312943] -> #2 (&xt[i].mutex){+.+.}: [ 65.318376] __mutex_lock+0x16f/0x1a80 [ 65.322755] mutex_lock_nested+0x16/0x20 [ 65.327333] xt_find_table_lock+0x3e/0x3e0 [ 65.332059] xt_request_find_table_lock+0x28/0xc0 [ 65.337396] get_info+0x154/0x690 [ 65.341341] do_ipt_get_ctl+0x159/0xac0 [ 65.345810] nf_getsockopt+0x6a/0xc0 [ 65.350031] ip_getsockopt+0x15c/0x220 [ 65.354429] tcp_getsockopt+0x82/0xd0 [ 65.358726] sock_common_getsockopt+0x95/0xd0 [ 65.363728] SyS_getsockopt+0x178/0x340 [ 65.368211] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 65.373457] [ 65.373457] -> #1 (sk_lock-AF_INET){+.+.}: [ 65.379148] lock_sock_nested+0xc2/0x110 [ 65.383701] do_ip_getsockopt+0x1b3/0x2170 [ 65.388446] ip_getsockopt+0x90/0x220 [ 65.392739] tcp_getsockopt+0x82/0xd0 [ 65.397031] sock_common_getsockopt+0x95/0xd0 [ 65.402017] SyS_getsockopt+0x178/0x340 [ 65.406483] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 65.411728] [ 65.411728] -> #0 (rtnl_mutex){+.+.}: [ 65.416999] lock_acquire+0x1d5/0x580 [ 65.421309] __mutex_lock+0x16f/0x1a80 [ 65.425703] mutex_lock_nested+0x16/0x20 [ 65.430277] rtnl_lock+0x17/0x20 [ 65.434138] unregister_netdevice_notifier+0x91/0x4e0 [ 65.439826] clusterip_tg_destroy+0x389/0x6e0 [ 65.444816] cleanup_entry+0x218/0x350 [ 65.449218] __do_replace+0x79d/0xa50 [ 65.453514] do_ipt_set_ctl+0x40f/0x5f0 [ 65.457984] nf_setsockopt+0x67/0xc0 [ 65.462190] ip_setsockopt+0x97/0xa0 [ 65.466398] tcp_setsockopt+0x82/0xd0 [ 65.470696] sock_common_setsockopt+0x95/0xd0 [ 65.475697] SyS_setsockopt+0x189/0x360 [ 65.480166] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 65.485428] [ 65.485428] other info that might help us debug this: [ 65.485428] [ 65.493542] Chain exists of: [ 65.493542] rtnl_mutex --> sk_lock-AF_INET --> &xt[i].mutex [ 65.493542] [ 65.503757] Possible unsafe locking scenario: [ 65.503757] [ 65.509785] CPU0 CPU1 [ 65.514423] ---- ---- [ 65.519071] lock(&xt[i].mutex); [ 65.522503] lock(sk_lock-AF_INET); [ 65.528706] lock(&xt[i].mutex); [ 65.534657] lock(rtnl_mutex); [ 65.537908] [ 65.537908] *** DEADLOCK *** [ 65.537908] [ 65.543938] 1 lock held by syzkaller467219/3974: [ 65.548663] #0: (&xt[i].mutex){+.+.}, at: [<000000008a074e5a>] xt_find_table_lock+0x3e/0x3e0 [ 65.557392] [ 65.557392] stack backtrace: [ 65.561864] CPU: 1 PID: 3974 Comm: syzkaller467219 Not tainted 4.15.0+ #221 [ 65.568940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.578704] Call Trace: [ 65.581283] dump_stack+0x194/0x257 [ 65.584882] ? arch_local_irq_restore+0x53/0x53 [ 65.589530] print_circular_bug.isra.38+0x2cd/0x2dc [ 65.594515] ? save_trace+0xe0/0x2b0 [ 65.598200] __lock_acquire+0x30a8/0x3e00 [ 65.602318] ? print_irqtrace_events+0x270/0x270 [ 65.607046] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 65.612208] ? print_irqtrace_events+0x270/0x270 [ 65.616935] ? print_irqtrace_events+0x270/0x270 [ 65.621676] ? __lock_acquire+0x664/0x3e00 [ 65.625898] ? __lock_acquire+0x664/0x3e00 [ 65.630108] ? __is_insn_slot_addr+0x1fc/0x330 [ 65.634679] ? lock_downgrade+0x980/0x980 [ 65.638802] ? lock_release+0xa40/0xa40 [ 65.642752] ? bpf_prog_kallsyms_find+0xbd/0x440 [ 65.647488] ? modules_open+0xa0/0xa0 [ 65.651261] ? trace_raw_output_xdp_redirect_map_err+0x440/0x440 [ 65.657381] ? lock_downgrade+0x980/0x980 [ 65.661501] ? __free_insn_slot+0x5c0/0x5c0 [ 65.665792] ? check_noncircular+0x20/0x20 [ 65.670002] lock_acquire+0x1d5/0x580 [ 65.673775] ? lock_acquire+0x1d5/0x580 [ 65.677723] ? rtnl_lock+0x17/0x20 [ 65.681254] ? lock_release+0xa40/0xa40 [ 65.685203] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 65.691064] ? unwind_get_return_address+0x61/0xa0 [ 65.695967] ? rcu_note_context_switch+0x710/0x710 [ 65.700866] ? __might_sleep+0x95/0x190 [ 65.704815] ? rtnl_lock+0x17/0x20 [ 65.708328] __mutex_lock+0x16f/0x1a80 [ 65.712185] ? rtnl_lock+0x17/0x20 [ 65.715707] ? save_trace+0xe0/0x2b0 [ 65.719394] ? rtnl_lock+0x17/0x20 [ 65.722919] ? __lock_acquire+0x36c0/0x3e00 [ 65.727213] ? mutex_lock_io_nested+0x1900/0x1900 [ 65.732028] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 65.737188] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 65.742352] ? __free_insn_slot+0x5c0/0x5c0 [ 65.746651] ? is_bpf_text_address+0xa4/0x120 [ 65.751120] ? rcutorture_record_progress+0x10/0x10 [ 65.756125] ? is_bpf_text_address+0xa4/0x120 [ 65.760607] ? kernel_text_address+0x102/0x140 [ 65.765163] ? __kernel_text_address+0xd/0x40 [ 65.769630] ? unwind_get_return_address+0x61/0xa0 [ 65.774532] ? depot_save_stack+0x12c/0x490 [ 65.778828] ? check_noncircular+0x20/0x20 [ 65.783034] ? check_noncircular+0x20/0x20 [ 65.787254] ? save_stack+0x43/0xd0 [ 65.790865] ? kasan_kmalloc+0xad/0xe0 [ 65.794723] ? __kmalloc_node+0x47/0x70 [ 65.798669] ? xt_replace_table+0x23c/0x9d0 [ 65.802962] ? __do_replace+0x2e3/0xa50 [ 65.806905] ? do_ipt_set_ctl+0x40f/0x5f0 [ 65.811049] mutex_lock_nested+0x16/0x20 [ 65.815084] ? mutex_lock_nested+0x16/0x20 [ 65.819302] rtnl_lock+0x17/0x20 [ 65.822639] unregister_netdevice_notifier+0x91/0x4e0 [ 65.827800] ? clusterip_tg_destroy+0x36a/0x6e0 [ 65.832443] ? lock_downgrade+0x980/0x980 [ 65.836561] ? register_netdevice_notifier+0x860/0x860 [ 65.841822] ? __lock_is_held+0xb6/0x140 [ 65.845855] ? mark_held_locks+0xaf/0x100 [ 65.849978] ? do_raw_spin_trylock+0x190/0x190 [ 65.854545] ? __local_bh_enable_ip+0x121/0x230 [ 65.859188] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 65.864176] ? clusterip_tg_destroy+0x350/0x6e0 [ 65.868817] ? trace_hardirqs_on+0xd/0x10 [ 65.872949] clusterip_tg_destroy+0x389/0x6e0 [ 65.877421] ? free_modinfo_version+0x70/0x70 [ 65.881888] ? clusterip_tg+0xa40/0xa40 [ 65.885834] ? cpumask_next+0x24/0x30 [ 65.889622] ? __lock_is_held+0xb6/0x140 [ 65.893671] ? clusterip_tg+0xa40/0xa40 [ 65.897617] cleanup_entry+0x218/0x350 [ 65.901474] ? cleanup_match+0x220/0x220 [ 65.905506] ? find_next_bit+0x27/0x30 [ 65.909364] __do_replace+0x79d/0xa50 [ 65.913139] ? compat_table_info+0x470/0x470 [ 65.917521] ? kasan_check_write+0x14/0x20 [ 65.921727] ? _copy_from_user+0x99/0x110 [ 65.925845] do_ipt_set_ctl+0x40f/0x5f0 [ 65.929792] ? translate_compat_table+0x1b90/0x1b90 [ 65.934779] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 65.939334] ? mutex_unlock+0xd/0x10 [ 65.943019] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 65.948265] nf_setsockopt+0x67/0xc0 [ 65.951953] ip_setsockopt+0x97/0xa0 [ 65.955640] tcp_setsockopt+0x82/0xd0 [ 65.959419] sock_common_setsockopt+0x95/0xd0 [ 65.963903] SyS_setsockopt+0x189/0x360 [ 65.967856] ? SyS_recv+0x40/0x40 [ 65.971300] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 65.976149] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 65.981141] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 65.985874] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 65.990614] RIP: 0033:0x444e1a [ 65.993788] RSP: 002b:00007fffd92ea138 EFLAGS: 00000206 ORIG_RAX: 0000000000000036 [ 66.001483] RAX: ffffffffffffffda RBX: 00000000006ce100 RCX: 0000000000444e1a executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 66.008738] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 66.015993] RBP: 00000000006ce100 R08: 00000000000002d8 R09: 0000000000000001 [ 66.023236] R10: 00000000006ce528 R11: 0000000000000206 R12: 00007fffd92ea150 [ 66.030494] R13: 0000000000000003 R14: 00000000006d10a8 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program