[....] Starting enhanced syslogd: rsyslogd[ 15.757396] audit: type=1400 audit(1517806773.661:5): avc: denied { syslog } for pid=4001 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: [ 20.156812] audit: type=1400 audit(1517806778.060:6): avc: denied { map } for pid=4141 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 '10.128.15.193' (ECDSA) to the list of known hosts. executing program executing program [ 53.490919] audit: type=1400 audit(1517806811.394:7): avc: denied { map } for pid=4158 comm="syzkaller941012" path="/root/syzkaller941012754" 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 [ 53.520668] [ 53.522282] ====================================================== [ 53.528562] WARNING: possible circular locking dependency detected [ 53.534846] 4.15.0+ #221 Not tainted [ 53.538524] ------------------------------------------------------ [ 53.544803] syzkaller941012/4160 is trying to acquire lock: [ 53.550476] (rtnl_mutex){+.+.}, at: [<00000000abbf1e7c>] rtnl_lock+0x17/0x20 [ 53.557722] [ 53.557722] but task is already holding lock: [ 53.563656] (&xt[i].mutex){+.+.}, at: [<00000000a0a634c4>] xt_find_table_lock+0x3e/0x3e0 [ 53.571939] [ 53.571939] which lock already depends on the new lock. [ 53.571939] [ 53.580216] [ 53.580216] the existing dependency chain (in reverse order) is: [ 53.587800] [ 53.587800] -> #2 (&xt[i].mutex){+.+.}: [ 53.593225] __mutex_lock+0x16f/0x1a80 [ 53.597602] mutex_lock_nested+0x16/0x20 [ 53.602151] xt_find_table_lock+0x3e/0x3e0 [ 53.606872] xt_request_find_table_lock+0x28/0xc0 [ 53.612201] get_info+0x154/0x690 [ 53.616139] do_ipt_get_ctl+0x159/0xac0 [ 53.620597] nf_getsockopt+0x6a/0xc0 [ 53.624797] ip_getsockopt+0x15c/0x220 [ 53.629172] tcp_getsockopt+0x82/0xd0 [ 53.633458] sock_common_getsockopt+0x95/0xd0 [ 53.638439] SyS_getsockopt+0x178/0x340 [ 53.642898] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 53.648136] [ 53.648136] -> #1 (sk_lock-AF_INET){+.+.}: [ 53.653819] lock_sock_nested+0xc2/0x110 [ 53.658365] do_ip_setsockopt.isra.12+0x1d9/0x3210 [ 53.663782] ip_setsockopt+0x3a/0xa0 [ 53.667982] tcp_setsockopt+0x82/0xd0 [ 53.672271] sock_common_setsockopt+0x95/0xd0 [ 53.677251] SyS_setsockopt+0x189/0x360 [ 53.681710] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 53.686949] [ 53.686949] -> #0 (rtnl_mutex){+.+.}: [ 53.692195] lock_acquire+0x1d5/0x580 [ 53.696481] __mutex_lock+0x16f/0x1a80 [ 53.700856] mutex_lock_nested+0x16/0x20 [ 53.705403] rtnl_lock+0x17/0x20 [ 53.709258] unregister_netdevice_notifier+0x91/0x4e0 [ 53.714936] tee_tg_destroy+0x61/0xc0 [ 53.719226] cleanup_entry+0x242/0x380 [ 53.723597] __do_replace+0x7ac/0xa70 [ 53.727883] do_ip6t_set_ctl+0x40f/0x5f0 [ 53.732427] nf_setsockopt+0x67/0xc0 [ 53.736627] ipv6_setsockopt+0x10b/0x130 [ 53.741175] rawv6_setsockopt+0x4a/0xf0 [ 53.745634] sock_common_setsockopt+0x95/0xd0 [ 53.750614] SyS_setsockopt+0x189/0x360 [ 53.755079] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 53.760318] [ 53.760318] other info that might help us debug this: [ 53.760318] [ 53.768423] Chain exists of: [ 53.768423] rtnl_mutex --> sk_lock-AF_INET --> &xt[i].mutex [ 53.768423] [ 53.778618] Possible unsafe locking scenario: [ 53.778618] [ 53.784639] CPU0 CPU1 [ 53.789269] ---- ---- [ 53.793900] lock(&xt[i].mutex); [ 53.797318] lock(sk_lock-AF_INET); [ 53.803515] lock(&xt[i].mutex); [ 53.809448] lock(rtnl_mutex); [ 53.812690] [ 53.812690] *** DEADLOCK *** [ 53.812690] [ 53.818715] 1 lock held by syzkaller941012/4160: [ 53.823433] #0: (&xt[i].mutex){+.+.}, at: [<00000000a0a634c4>] xt_find_table_lock+0x3e/0x3e0 [ 53.832152] [ 53.832152] stack backtrace: [ 53.836614] CPU: 0 PID: 4160 Comm: syzkaller941012 Not tainted 4.15.0+ #221 [ 53.843677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.853008] Call Trace: [ 53.855565] dump_stack+0x194/0x257 [ 53.859161] ? arch_local_irq_restore+0x53/0x53 [ 53.863802] print_circular_bug.isra.38+0x2cd/0x2dc [ 53.868782] ? save_trace+0xe0/0x2b0 [ 53.872464] __lock_acquire+0x30a8/0x3e00 [ 53.876582] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 53.881740] ? __lock_acquire+0x664/0x3e00 [ 53.885945] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 53.891101] ? __lock_acquire+0x664/0x3e00 [ 53.895304] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 53.900462] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 53.905623] lock_acquire+0x1d5/0x580 [ 53.909389] ? lock_acquire+0x1d5/0x580 [ 53.913330] ? rtnl_lock+0x17/0x20 [ 53.916838] ? lock_release+0xa40/0xa40 [ 53.920776] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 53.926629] ? rcu_note_context_switch+0x710/0x710 [ 53.931525] ? __lock_acquire+0x664/0x3e00 [ 53.935726] ? __might_sleep+0x95/0x190 [ 53.939666] ? rtnl_lock+0x17/0x20 [ 53.943175] __mutex_lock+0x16f/0x1a80 [ 53.947041] ? rtnl_lock+0x17/0x20 [ 53.950549] ? rtnl_lock+0x17/0x20 [ 53.954059] ? mutex_lock_io_nested+0x1900/0x1900 [ 53.958870] ? rcutorture_record_progress+0x10/0x10 [ 53.963852] ? find_held_lock+0x35/0x1d0 [ 53.967882] ? ipv6_hooks_unregister+0x203/0x340 [ 53.972604] ? lock_downgrade+0x980/0x980 [ 53.976721] ? check_noncircular+0x20/0x20 [ 53.980926] ? check_noncircular+0x20/0x20 [ 53.985130] ? save_stack+0x43/0xd0 [ 53.988725] ? find_held_lock+0x35/0x1d0 [ 53.992755] ? nf_ct_l3proto_module_put+0x191/0x2c0 [ 53.997736] ? lock_downgrade+0x980/0x980 [ 54.001849] ? lock_release+0xa40/0xa40 [ 54.005802] ? __lock_is_held+0xb6/0x140 [ 54.009834] ? tee_tg6+0x170/0x170 [ 54.013342] mutex_lock_nested+0x16/0x20 [ 54.017369] ? mutex_lock_nested+0x16/0x20 [ 54.021568] rtnl_lock+0x17/0x20 [ 54.024900] unregister_netdevice_notifier+0x91/0x4e0 [ 54.030057] ? register_netdevice_notifier+0x860/0x860 [ 54.035298] ? ipv6_pkt_to_tuple+0x3b0/0x3b0 [ 54.039673] ? free_modinfo_version+0x70/0x70 [ 54.044133] ? nf_ct_netns_do_put+0x213/0x320 [ 54.048594] ? nf_ct_l4proto_find_get+0x180/0x180 [ 54.053401] ? find_next_bit+0x27/0x30 [ 54.057253] ? cpumask_next+0x24/0x30 [ 54.061018] ? tee_tg6+0x170/0x170 [ 54.064522] tee_tg_destroy+0x61/0xc0 [ 54.068289] cleanup_entry+0x242/0x380 [ 54.072145] ? cleanup_match+0x220/0x220 [ 54.076183] ? find_next_bit+0x27/0x30 [ 54.080037] __do_replace+0x7ac/0xa70 [ 54.083805] ? compat_table_info+0x4a0/0x4a0 [ 54.088184] ? kasan_check_write+0x14/0x20 [ 54.092384] ? _copy_from_user+0x99/0x110 [ 54.096498] do_ip6t_set_ctl+0x40f/0x5f0 [ 54.100528] ? translate_compat_table+0x1c50/0x1c50 [ 54.105514] ? mutex_unlock+0xd/0x10 [ 54.109197] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 54.114441] nf_setsockopt+0x67/0xc0 [ 54.118134] ipv6_setsockopt+0x10b/0x130 [ 54.122163] rawv6_setsockopt+0x4a/0xf0 [ 54.126105] sock_common_setsockopt+0x95/0xd0 [ 54.130569] SyS_setsockopt+0x189/0x360 [ 54.134508] ? SyS_recv+0x40/0x40 [ 54.137930] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 54.142738] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 54.147721] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 54.152444] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 54.157163] RIP: 0033:0x441f49 [ 54.160323] RSP: 002b:00007ffe46ab4a58 EFLAGS: 00000207 ORIG_RAX: 0000000000000036 [ 54.167996] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441f49 [ 54.175233] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000004 [ 54.182469] RBP: 000000000000d0f5 R08: 00000000000003c0 R09: 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 [ 54.189704] R10: 0000000020001b60 R11: 0000000000000207 R12: 0000000000000000 [ 54.196941] R13: 0000000000000003 R14: 00000000006d0050 R15: 00000000004a38ee executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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