[....] Starting enhanced syslogd: rsyslogd[ 17.894068] audit: type=1400 audit(1517841233.519:5): avc: denied { syslog } for pid=4059 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 file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 23.734668] audit: type=1400 audit(1517841239.360:6): avc: denied { map } for pid=4199 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 '10.128.0.43' (ECDSA) to the list of known hosts. executing program [ 49.904848] audit: type=1400 audit(1517841265.530:7): avc: denied { map } for pid=4215 comm="syzkaller261836" path="/root/syzkaller261836882" 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 [ 49.931399] audit: type=1400 audit(1517841265.557:8): avc: denied { create } for pid=4216 comm="syzkaller261836" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 49.934008] [ 49.957054] ====================================================== [ 49.963349] WARNING: possible circular locking dependency detected [ 49.969638] 4.15.0+ #297 Not tainted [ 49.973318] ------------------------------------------------------ [ 49.979602] syzkaller261836/4215 is trying to acquire lock: [ 49.985282] (rtnl_mutex){+.+.}, at: [<000000001da3bd50>] rtnl_lock+0x17/0x20 [ 49.992543] [ 49.992543] but task is already holding lock: [ 49.998483] (&xt[i].mutex){+.+.}, at: [<0000000070b2887b>] xt_find_table_lock+0x3e/0x3e0 [ 50.006777] [ 50.006777] which lock already depends on the new lock. [ 50.006777] [ 50.015060] [ 50.015060] the existing dependency chain (in reverse order) is: [ 50.022665] [ 50.022665] -> #2 (&xt[i].mutex){+.+.}: [ 50.028095] __mutex_lock+0x16f/0x1a80 [ 50.032471] mutex_lock_nested+0x16/0x20 [ 50.037022] xt_find_table_lock+0x3e/0x3e0 [ 50.041757] xt_request_find_table_lock+0x28/0xc0 [ 50.047093] get_info+0x154/0x690 [ 50.051034] do_ipt_get_ctl+0x159/0xac0 [ 50.055509] nf_getsockopt+0x6a/0xc0 [ 50.059716] ip_getsockopt+0x15c/0x220 [ 50.064098] tcp_getsockopt+0x82/0xd0 [ 50.068395] sock_common_getsockopt+0x95/0xd0 [ 50.073380] SyS_getsockopt+0x178/0x340 [ 50.077850] do_syscall_64+0x282/0x940 [ 50.082231] entry_SYSCALL_64_after_hwframe+0x26/0x9b [ 50.087909] [ 50.087909] -> #1 (sk_lock-AF_INET){+.+.}: [ 50.093604] lock_sock_nested+0xc2/0x110 [ 50.098159] do_ip_setsockopt.isra.12+0x1d9/0x3210 [ 50.103596] ip_setsockopt+0x3a/0xa0 [ 50.107801] udp_setsockopt+0x45/0x80 [ 50.112094] sock_common_setsockopt+0x95/0xd0 [ 50.117080] SyS_setsockopt+0x189/0x360 [ 50.121566] do_syscall_64+0x282/0x940 [ 50.125947] entry_SYSCALL_64_after_hwframe+0x26/0x9b [ 50.131627] [ 50.131627] -> #0 (rtnl_mutex){+.+.}: [ 50.136884] lock_acquire+0x1d5/0x580 [ 50.141185] __mutex_lock+0x16f/0x1a80 [ 50.145563] mutex_lock_nested+0x16/0x20 [ 50.150115] rtnl_lock+0x17/0x20 [ 50.153975] unregister_netdevice_notifier+0x91/0x4e0 [ 50.159658] tee_tg_destroy+0x61/0xc0 [ 50.163952] cleanup_entry+0x218/0x350 [ 50.168331] __do_replace+0x79d/0xa50 [ 50.172622] do_ipt_set_ctl+0x40f/0x5f0 [ 50.177089] nf_setsockopt+0x67/0xc0 [ 50.181301] ip_setsockopt+0x97/0xa0 [ 50.185506] tcp_setsockopt+0x82/0xd0 [ 50.189802] sock_common_setsockopt+0x95/0xd0 [ 50.194792] SyS_setsockopt+0x189/0x360 [ 50.199265] do_syscall_64+0x282/0x940 [ 50.203643] entry_SYSCALL_64_after_hwframe+0x26/0x9b [ 50.209322] [ 50.209322] other info that might help us debug this: [ 50.209322] [ 50.217437] Chain exists of: [ 50.217437] rtnl_mutex --> sk_lock-AF_INET --> &xt[i].mutex [ 50.217437] [ 50.227645] Possible unsafe locking scenario: [ 50.227645] [ 50.233681] CPU0 CPU1 [ 50.238318] ---- ---- [ 50.243048] lock(&xt[i].mutex); [ 50.246471] lock(sk_lock-AF_INET); [ 50.252672] lock(&xt[i].mutex); [ 50.258706] lock(rtnl_mutex); [ 50.261954] [ 50.261954] *** DEADLOCK *** [ 50.261954] [ 50.267982] 1 lock held by syzkaller261836/4215: [ 50.272703] #0: (&xt[i].mutex){+.+.}, at: [<0000000070b2887b>] xt_find_table_lock+0x3e/0x3e0 [ 50.281434] [ 50.281434] stack backtrace: [ 50.285905] CPU: 1 PID: 4215 Comm: syzkaller261836 Not tainted 4.15.0+ #297 [ 50.292974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.302298] Call Trace: [ 50.304860] dump_stack+0x194/0x257 [ 50.308456] ? arch_local_irq_restore+0x53/0x53 [ 50.313100] print_circular_bug.isra.38+0x2cd/0x2dc [ 50.318088] ? save_trace+0xe0/0x2b0 [ 50.321773] __lock_acquire+0x30a8/0x3e00 [ 50.325888] ? print_irqtrace_events+0x270/0x270 [ 50.330616] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 50.335783] ? __lock_acquire+0x664/0x3e00 [ 50.339988] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 50.345238] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 50.350401] ? check_noncircular+0x20/0x20 [ 50.354609] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 50.359771] ? check_noncircular+0x20/0x20 [ 50.363976] lock_acquire+0x1d5/0x580 [ 50.367748] ? lock_acquire+0x1d5/0x580 [ 50.371692] ? rtnl_lock+0x17/0x20 [ 50.375205] ? lock_release+0xa40/0xa40 [ 50.379152] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 50.385008] ? rcu_note_context_switch+0x710/0x710 [ 50.389914] ? __lock_acquire+0x664/0x3e00 [ 50.394122] ? __might_sleep+0x95/0x190 [ 50.398066] ? rtnl_lock+0x17/0x20 [ 50.401577] __mutex_lock+0x16f/0x1a80 [ 50.405435] ? rtnl_lock+0x17/0x20 [ 50.408943] ? rtnl_lock+0x17/0x20 [ 50.412453] ? lock_release+0xa40/0xa40 [ 50.416401] ? mutex_lock_io_nested+0x1900/0x1900 [ 50.421216] ? __free_insn_slot+0x5c0/0x5c0 [ 50.425510] ? is_bpf_text_address+0xa4/0x120 [ 50.429979] ? rcutorture_record_progress+0x10/0x10 [ 50.434967] ? is_bpf_text_address+0xa4/0x120 [ 50.439437] ? kernel_text_address+0x102/0x140 [ 50.443992] ? __kernel_text_address+0xd/0x40 [ 50.448461] ? unwind_get_return_address+0x61/0xa0 [ 50.453363] ? __save_stack_trace+0x7e/0xd0 [ 50.457656] ? depot_save_stack+0x12c/0x490 [ 50.461949] ? check_noncircular+0x20/0x20 [ 50.466155] ? save_stack+0xa3/0xd0 [ 50.469754] ? save_stack+0x43/0xd0 [ 50.473350] ? kasan_kmalloc+0xad/0xe0 [ 50.477206] ? __kmalloc_node+0x47/0x70 [ 50.481148] ? kvmalloc_node+0x99/0xd0 [ 50.485009] ? xt_replace_table+0x23c/0x9d0 [ 50.489323] ? __do_replace+0x2e3/0xa50 [ 50.493265] ? do_ipt_set_ctl+0x40f/0x5f0 [ 50.497387] ? pcpu_chunk_relocate+0x315/0x770 [ 50.501941] ? print_irqtrace_events+0x270/0x270 [ 50.506673] ? free_percpu+0x229/0x830 [ 50.510534] ? lock_downgrade+0x980/0x980 [ 50.514658] ? __lock_is_held+0xb6/0x140 [ 50.518690] ? lock_release+0xa40/0xa40 [ 50.522636] ? _find_next_bit+0xee/0x120 [ 50.526669] ? tee_tg6+0x170/0x170 [ 50.530181] mutex_lock_nested+0x16/0x20 [ 50.534213] ? mutex_lock_nested+0x16/0x20 [ 50.538421] rtnl_lock+0x17/0x20 [ 50.541760] unregister_netdevice_notifier+0x91/0x4e0 [ 50.546923] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 50.551912] ? trace_hardirqs_on+0xd/0x10 [ 50.556029] ? register_netdevice_notifier+0x860/0x860 [ 50.561280] ? free_modinfo_version+0x70/0x70 [ 50.565748] ? __alloc_percpu+0x30/0x30 [ 50.569694] ? find_next_bit+0x27/0x30 [ 50.573555] ? cpumask_next+0x24/0x30 [ 50.577326] ? __lock_is_held+0xb6/0x140 [ 50.581359] ? tee_tg6+0x170/0x170 [ 50.584868] tee_tg_destroy+0x61/0xc0 [ 50.588643] cleanup_entry+0x218/0x350 [ 50.592502] ? cleanup_match+0x220/0x220 [ 50.596551] ? find_next_bit+0x27/0x30 [ 50.600411] __do_replace+0x79d/0xa50 [ 50.604186] ? compat_table_info+0x470/0x470 [ 50.608571] ? kasan_check_write+0x14/0x20 [ 50.612781] ? _copy_from_user+0x99/0x110 [ 50.616900] do_ipt_set_ctl+0x40f/0x5f0 [ 50.620855] ? translate_compat_table+0x1b90/0x1b90 [ 50.625846] ? mutex_unlock+0xd/0x10 [ 50.629536] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 50.634784] nf_setsockopt+0x67/0xc0 [ 50.638474] ip_setsockopt+0x97/0xa0 [ 50.642162] tcp_setsockopt+0x82/0xd0 [ 50.645938] sock_common_setsockopt+0x95/0xd0 [ 50.650404] SyS_setsockopt+0x189/0x360 [ 50.654351] ? SyS_recv+0x40/0x40 [ 50.657779] ? mm_fault_error+0x2c0/0x2c0 [ 50.661896] ? move_addr_to_kernel+0x60/0x60 [ 50.666276] ? do_syscall_64+0xb7/0x940 [ 50.670230] ? SyS_recv+0x40/0x40 [ 50.673655] do_syscall_64+0x282/0x940 [ 50.677516] ? __do_page_fault+0xc90/0xc90 [ 50.681723] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 50.687232] ? syscall_return_slowpath+0x550/0x550 [ 50.692133] ? syscall_return_slowpath+0x2ac/0x550 [ 50.697038] ? retint_user+0x18/0x18 [ 50.700726] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program executing program executing program executing program executing program executing program executing program executing program [ 50.705543] entry_SYSCALL_64_after_hwframe+0x26/0x9b [ 50.710715] RIP: 0033:0x44406a [ 50.713877] RSP: 002b:00007fff2b8ac638 EFLAGS: 00000206 ORIG_RAX: 0000000000000036 [ 50.721559] RAX: ffffffffffffffda RBX: 00000000006cc100 RCX: 000000000044406a [ 50.728800] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 50.736041] RBP: 00000000006cc100 R08: 00000000000002d8 R09: 000000000096d880 [ 50.743282] R10: 00000000006cc528 R11: 0000000000000206 R12: 0000000000000003 [ 50.750524] R13: 00000000006cf0a8 R14: 00000000006cf050 R15: 00000000004a300e executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program