[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 18.513792] audit: type=1400 audit(1517386276.943:6): avc: denied { map } for pid=4115 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.22' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 29.717416] audit: type=1400 audit(1517386288.147:7): avc: denied { map } for pid=4131 comm="syzkaller901829" path="/root/syzkaller901829790" 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 [ 29.796510] [ 29.798153] ====================================================== [ 29.804438] WARNING: possible circular locking dependency detected [ 29.810721] 4.15.0+ #287 Not tainted [ 29.814397] ------------------------------------------------------ [ 29.820690] syzkaller901829/4131 is trying to acquire lock: [ 29.827129] (rtnl_mutex){+.+.}, at: [<00000000dcd686fd>] rtnl_lock+0x17/0x20 [ 29.834414] [ 29.834414] but task is already holding lock: [ 29.840352] (&xt[i].mutex){+.+.}, at: [<00000000b3ff8ae4>] xt_find_table_lock+0x40/0x3d0 [ 29.848643] [ 29.848643] which lock already depends on the new lock. [ 29.848643] [ 29.856926] [ 29.856926] the existing dependency chain (in reverse order) is: [ 29.864516] [ 29.864516] -> #2 (&xt[i].mutex){+.+.}: [ 29.869944] __mutex_lock+0x16f/0x1a80 [ 29.874320] mutex_lock_nested+0x16/0x20 [ 29.878881] xt_find_target+0x44/0x1e0 [ 29.883258] xt_request_find_target+0x2c/0xb0 [ 29.888245] find_check_entry.isra.7+0x669/0xcf0 [ 29.893490] translate_table+0xf52/0x1690 [ 29.898127] do_ip6t_set_ctl+0x370/0x5f0 [ 29.902678] nf_setsockopt+0x67/0xc0 [ 29.906882] ipv6_setsockopt+0x115/0x150 [ 29.911519] rawv6_setsockopt+0x4a/0xf0 [ 29.915983] sock_common_setsockopt+0x95/0xd0 [ 29.920966] SyS_setsockopt+0x189/0x360 [ 29.925432] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 29.930673] [ 29.930673] -> #1 (sk_lock-AF_INET6){+.+.}: [ 29.936446] lock_sock_nested+0xc2/0x110 [ 29.940998] do_ipv6_setsockopt.isra.8+0x3c5/0x39d0 [ 29.946507] ipv6_setsockopt+0xd7/0x150 [ 29.950973] tcp_setsockopt+0x82/0xd0 [ 29.955271] sock_common_setsockopt+0x95/0xd0 [ 29.960263] SyS_setsockopt+0x189/0x360 [ 29.964725] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 29.969967] [ 29.969967] -> #0 (rtnl_mutex){+.+.}: [ 29.975223] lock_acquire+0x1d5/0x580 [ 29.979511] __mutex_lock+0x16f/0x1a80 [ 29.983888] mutex_lock_nested+0x16/0x20 [ 29.988442] rtnl_lock+0x17/0x20 [ 29.992302] unregister_netdevice_notifier+0x91/0x4e0 [ 29.997981] tee_tg_destroy+0x61/0xc0 [ 30.002272] cleanup_entry+0x218/0x350 [ 30.006648] __do_replace+0x7d7/0xa90 [ 30.010935] do_ipt_set_ctl+0x40f/0x5f0 [ 30.015397] nf_setsockopt+0x67/0xc0 [ 30.019601] ip_setsockopt+0xa1/0xb0 [ 30.023809] sctp_setsockopt+0x2a0/0x5de0 [ 30.028448] sock_common_setsockopt+0x95/0xd0 [ 30.033430] SyS_setsockopt+0x189/0x360 [ 30.037896] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 30.043138] [ 30.043138] other info that might help us debug this: [ 30.043138] [ 30.051246] Chain exists of: [ 30.051246] rtnl_mutex --> sk_lock-AF_INET6 --> &xt[i].mutex [ 30.051246] [ 30.061535] Possible unsafe locking scenario: [ 30.061535] [ 30.067558] CPU0 CPU1 [ 30.072192] ---- ---- [ 30.076829] lock(&xt[i].mutex); [ 30.080251] lock(sk_lock-AF_INET6); [ 30.086538] lock(&xt[i].mutex); [ 30.092478] lock(rtnl_mutex); [ 30.095725] [ 30.095725] *** DEADLOCK *** [ 30.095725] [ 30.101751] 2 locks held by syzkaller901829/4131: [ 30.106559] #0: (sk_lock-AF_INET){+.+.}, at: [<00000000d3d90d63>] ip_setsockopt+0x8c/0xb0 [ 30.115030] #1: (&xt[i].mutex){+.+.}, at: [<00000000b3ff8ae4>] xt_find_table_lock+0x40/0x3d0 [ 30.123761] [ 30.123761] stack backtrace: [ 30.128242] CPU: 0 PID: 4131 Comm: syzkaller901829 Not tainted 4.15.0+ #287 [ 30.135309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.144631] Call Trace: [ 30.147194] dump_stack+0x194/0x257 [ 30.150797] ? arch_local_irq_restore+0x53/0x53 [ 30.155438] print_circular_bug.isra.38+0x2cd/0x2dc [ 30.160424] ? save_trace+0xe0/0x2b0 [ 30.164116] __lock_acquire+0x30a8/0x3e00 [ 30.168260] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 30.173431] ? __lock_acquire+0x664/0x3e00 [ 30.177640] ? __is_insn_slot_addr+0x1fc/0x330 [ 30.182191] ? lock_downgrade+0x980/0x980 [ 30.186314] ? bpf_prog_kallsyms_find+0xbd/0x440 [ 30.191043] ? modules_open+0xa0/0xa0 [ 30.194815] ? trace_raw_output_xdp_redirect_map_err+0x440/0x440 [ 30.200929] ? lock_downgrade+0x980/0x980 [ 30.205046] ? print_irqtrace_events+0x270/0x270 [ 30.209770] ? lock_release+0xa40/0xa40 [ 30.213713] ? __free_insn_slot+0x5c0/0x5c0 [ 30.218006] ? lock_acquire+0x1d5/0x580 [ 30.221958] lock_acquire+0x1d5/0x580 [ 30.225728] ? lock_acquire+0x1d5/0x580 [ 30.229673] ? rtnl_lock+0x17/0x20 [ 30.233182] ? lock_release+0xa40/0xa40 [ 30.237129] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 30.242983] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 30.248145] ? rcu_note_context_switch+0x710/0x710 [ 30.253044] ? save_stack_trace+0x1a/0x20 [ 30.257162] ? save_trace+0xe0/0x2b0 [ 30.260846] ? __might_sleep+0x95/0x190 [ 30.264790] ? rtnl_lock+0x17/0x20 [ 30.268302] __mutex_lock+0x16f/0x1a80 [ 30.272160] ? rtnl_lock+0x17/0x20 [ 30.275671] ? rtnl_lock+0x17/0x20 [ 30.279183] ? mutex_lock_io_nested+0x1900/0x1900 [ 30.284017] ? ipv4_hooks_unregister+0x203/0x340 [ 30.288753] ? lock_downgrade+0x980/0x980 [ 30.292880] ? is_bpf_text_address+0xa4/0x120 [ 30.297343] ? check_noncircular+0x20/0x20 [ 30.301547] ? __kernel_text_address+0xd/0x40 [ 30.306014] ? unwind_get_return_address+0x61/0xa0 [ 30.310916] ? __save_stack_trace+0x7e/0xd0 [ 30.315209] ? find_held_lock+0x35/0x1d0 [ 30.319241] ? nf_ct_l3proto_module_put+0x191/0x2c0 [ 30.324233] ? lock_downgrade+0x980/0x980 [ 30.328351] ? lock_release+0xa40/0xa40 [ 30.332294] ? __lock_is_held+0xb6/0x140 [ 30.336327] ? nf_ct_l3proto_module_put+0x1ba/0x2c0 [ 30.341313] ? nf_ct_l4proto_unregister_sysctl.isra.9+0x120/0x120 [ 30.347523] ? tee_tg6+0x170/0x170 [ 30.351036] mutex_lock_nested+0x16/0x20 [ 30.355065] ? mutex_lock_nested+0x16/0x20 [ 30.359268] rtnl_lock+0x17/0x20 [ 30.362604] unregister_netdevice_notifier+0x91/0x4e0 [ 30.367763] ? nf_ct_l4proto_find_get+0x180/0x180 [ 30.372573] ? trace_hardirqs_on+0xd/0x10 [ 30.376688] ? register_netdevice_notifier+0x860/0x860 [ 30.381934] ? free_modinfo_version+0x70/0x70 [ 30.386401] ? connbytes_mt_check+0x2a0/0x2a0 [ 30.390864] ? nf_ct_netns_put+0x2b/0x60 [ 30.394894] ? connbytes_mt_check+0x2a0/0x2a0 [ 30.399362] ? cleanup_match+0x198/0x220 [ 30.403393] ? icmp_checkentry+0x80/0x80 [ 30.407423] ? tee_tg6+0x170/0x170 [ 30.410930] tee_tg_destroy+0x61/0xc0 [ 30.414700] cleanup_entry+0x218/0x350 [ 30.418558] ? cleanup_match+0x220/0x220 [ 30.422587] ? find_next_bit+0x27/0x30 [ 30.426443] __do_replace+0x7d7/0xa90 [ 30.430222] ? compat_table_info+0x470/0x470 [ 30.434602] ? kasan_check_write+0x14/0x20 [ 30.438806] ? _copy_from_user+0x99/0x110 [ 30.442922] do_ipt_set_ctl+0x40f/0x5f0 [ 30.446868] ? translate_compat_table+0x1b90/0x1b90 [ 30.451855] ? mutex_unlock+0xd/0x10 [ 30.455538] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 30.460784] nf_setsockopt+0x67/0xc0 [ 30.464470] ip_setsockopt+0xa1/0xb0 [ 30.468155] sctp_setsockopt+0x2a0/0x5de0 [ 30.472272] ? __free_insn_slot+0x5c0/0x5c0 [ 30.476564] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 30.482246] ? rcutorture_record_progress+0x10/0x10 [ 30.487232] ? is_bpf_text_address+0xa4/0x120 [ 30.491698] ? __lock_acquire+0x664/0x3e00 [ 30.495904] ? unwind_get_return_address+0x61/0xa0 [ 30.500801] ? __save_stack_trace+0x7e/0xd0 [ 30.505095] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 30.510256] ? save_stack+0xa3/0xd0 [ 30.513852] ? check_noncircular+0x20/0x20 [ 30.518062] ? kasan_kmalloc+0xad/0xe0 [ 30.521920] ? kasan_slab_alloc+0x12/0x20 [ 30.526038] ? kmem_cache_alloc+0x12e/0x760 [ 30.530332] ? selinux_file_alloc_security+0xae/0x190 [ 30.535499] ? security_file_alloc+0x6d/0xa0 [ 30.539880] ? get_empty_filp+0x189/0x4f0 [ 30.543995] ? alloc_file+0x26/0x390 [ 30.547681] ? sock_alloc_file+0x1f3/0x560 [ 30.551881] ? sock_map_fd+0x34/0x90 [ 30.555563] ? SyS_socket+0x125/0x1d0 [ 30.559333] ? entry_SYSCALL_64_fastpath+0x29/0xa0 [ 30.564231] ? kasan_slab_alloc+0x12/0x20 [ 30.568348] ? kmem_cache_alloc+0x12e/0x760 [ 30.572639] ? get_empty_filp+0xfb/0x4f0 [ 30.576668] ? alloc_file+0x26/0x390 [ 30.580350] ? sock_alloc_file+0x1f3/0x560 [ 30.584556] ? find_held_lock+0x35/0x1d0 [ 30.588588] ? avc_has_perm+0x35e/0x680 [ 30.592533] ? lock_downgrade+0x980/0x980 [ 30.596651] ? debug_mutex_init+0x1c/0x60 [ 30.600780] ? lock_release+0xa40/0xa40 [ 30.604725] ? __lockdep_init_map+0xe4/0x650 [ 30.609104] ? check_noncircular+0x20/0x20 [ 30.613312] ? avc_has_perm+0x43e/0x680 [ 30.617257] ? avc_has_perm_noaudit+0x520/0x520 [ 30.621896] ? __fd_install+0x25f/0x740 [ 30.625839] ? lock_downgrade+0x980/0x980 [ 30.629957] ? __lock_is_held+0xb6/0x140 [ 30.633988] ? sock_has_perm+0x2a4/0x420 [ 30.638030] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 30.643370] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 30.649050] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 30.654295] ? alloc_file+0x27e/0x390 [ 30.658071] sock_common_setsockopt+0x95/0xd0 [ 30.662537] SyS_setsockopt+0x189/0x360 [ 30.666483] ? SyS_recv+0x40/0x40 [ 30.669931] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 30.674743] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.679728] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.684457] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 30.689181] RIP: 0033:0x442049 [ 30.692340] RSP: 002b:00007ffc254a3fc8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.700021] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000442049 [ 30.707262] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000008 [ 30.714504] RBP: 31affa775212f497 R08: 0000000000000308 R09: 0000000000000000 [ 30.721742] R10: 000000002002ccf8 R11: 0000000000000203 R12: f3023f5f5df3bc21 [ 30.728982] R13: f6fcce9cd855ec40 R14: fbfe5b6031634428 R15: 0000000000000000 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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