[....] Starting enhanced syslogd: rsyslogd[ 17.690991] audit: type=1400 audit(1517409121.304:5): avc: denied { syslog } for pid=4020 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: [ 22.986335] audit: type=1400 audit(1517409126.600:6): avc: denied { map } for pid=4158 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 '10.128.15.200' (ECDSA) to the list of known hosts. executing program executing program [ 29.298634] audit: type=1400 audit(1517409132.912:7): avc: denied { map } for pid=4172 comm="syzkaller352808" path="/root/syzkaller352808051" 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 [ 29.324685] audit: type=1400 audit(1517409132.912:8): avc: denied { relabelto } for pid=4172 comm="syzkaller352808" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:systemd_unit_file_t:s0 tclass=packet permissive=1 [ 29.349615] [ 29.351256] ====================================================== [ 29.357542] WARNING: possible circular locking dependency detected [ 29.364589] 4.15.0-rc9+ #217 Not tainted [ 29.368624] ------------------------------------------------------ [ 29.374915] syzkaller352808/4172 is trying to acquire lock: [ 29.380599] (rtnl_mutex){+.+.}, at: [<00000000fd111ca6>] rtnl_lock+0x17/0x20 [ 29.387853] [ 29.387853] but task is already holding lock: [ 29.393792] (&xt[i].mutex){+.+.}, at: [<000000008a70dbb1>] xt_find_table_lock+0x3e/0x3e0 [ 29.402089] [ 29.402089] which lock already depends on the new lock. [ 29.402089] [ 29.410371] [ 29.410371] the existing dependency chain (in reverse order) is: [ 29.417958] [ 29.417958] -> #2 (&xt[i].mutex){+.+.}: [ 29.423386] __mutex_lock+0x16f/0x1a80 [ 29.427763] mutex_lock_nested+0x16/0x20 [ 29.432314] xt_find_target+0x44/0x1e0 [ 29.436695] xt_request_find_target+0x2c/0xb0 [ 29.441682] find_check_entry.isra.7+0x669/0xcf0 [ 29.446938] translate_table+0xf52/0x1690 [ 29.451577] do_ip6t_set_ctl+0x370/0x5f0 [ 29.456130] nf_setsockopt+0x67/0xc0 [ 29.460353] ipv6_setsockopt+0x115/0x150 [ 29.464908] rawv6_setsockopt+0x4a/0xf0 [ 29.469375] sock_common_setsockopt+0x95/0xd0 [ 29.474361] SyS_setsockopt+0x189/0x360 [ 29.478827] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 29.484083] [ 29.484083] -> #1 (sk_lock-AF_INET6){+.+.}: [ 29.489861] lock_sock_nested+0xc2/0x110 [ 29.494413] do_ipv6_setsockopt.isra.8+0x3c5/0x39d0 [ 29.499929] ipv6_setsockopt+0xd7/0x150 [ 29.504394] udpv6_setsockopt+0x45/0x80 [ 29.508870] sock_common_setsockopt+0x95/0xd0 [ 29.513859] SyS_setsockopt+0x189/0x360 [ 29.518325] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 29.523567] [ 29.523567] -> #0 (rtnl_mutex){+.+.}: [ 29.528823] lock_acquire+0x1d5/0x580 [ 29.533114] __mutex_lock+0x16f/0x1a80 [ 29.537503] mutex_lock_nested+0x16/0x20 [ 29.542054] rtnl_lock+0x17/0x20 [ 29.545914] unregister_netdevice_notifier+0x91/0x4e0 [ 29.551595] tee_tg_destroy+0x61/0xc0 [ 29.555888] cleanup_entry+0x218/0x350 [ 29.560264] __do_replace+0x79d/0xa50 [ 29.564555] do_ipt_set_ctl+0x40f/0x5f0 [ 29.569020] nf_setsockopt+0x67/0xc0 [ 29.573224] ip_setsockopt+0xa1/0xb0 [ 29.577429] sctp_setsockopt+0x2b6/0x61d0 [ 29.582069] sock_common_setsockopt+0x95/0xd0 [ 29.587055] SyS_setsockopt+0x189/0x360 [ 29.591523] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 29.596777] [ 29.596777] other info that might help us debug this: [ 29.596777] [ 29.604888] Chain exists of: [ 29.604888] rtnl_mutex --> sk_lock-AF_INET6 --> &xt[i].mutex [ 29.604888] [ 29.615186] Possible unsafe locking scenario: [ 29.615186] [ 29.621217] CPU0 CPU1 [ 29.625855] ---- ---- [ 29.630489] lock(&xt[i].mutex); [ 29.633910] lock(sk_lock-AF_INET6); [ 29.640210] lock(&xt[i].mutex); [ 29.646157] lock(rtnl_mutex); [ 29.649407] [ 29.649407] *** DEADLOCK *** [ 29.649407] [ 29.655436] 2 locks held by syzkaller352808/4172: [ 29.660247] #0: (sk_lock-AF_INET){+.+.}, at: [<00000000c9f5aaa7>] ip_setsockopt+0x8c/0xb0 [ 29.668717] #1: (&xt[i].mutex){+.+.}, at: [<000000008a70dbb1>] xt_find_table_lock+0x3e/0x3e0 [ 29.677442] [ 29.677442] stack backtrace: [ 29.681907] CPU: 1 PID: 4172 Comm: syzkaller352808 Not tainted 4.15.0-rc9+ #217 [ 29.689325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.698653] Call Trace: [ 29.701214] dump_stack+0x194/0x257 [ 29.704811] ? arch_local_irq_restore+0x53/0x53 [ 29.709463] print_circular_bug.isra.37+0x2cd/0x2dc [ 29.714449] ? save_trace+0xe0/0x2b0 [ 29.718133] __lock_acquire+0x30a8/0x3e00 [ 29.722267] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.727427] ? __lock_acquire+0x664/0x3e00 [ 29.731633] ? __is_insn_slot_addr+0x1fc/0x330 [ 29.736187] ? lock_downgrade+0x980/0x980 [ 29.740309] ? bpf_prog_kallsyms_find+0xbd/0x440 [ 29.745048] ? check_noncircular+0x20/0x20 [ 29.749255] ? trace_raw_output_xdp_redirect_map_err+0x440/0x440 [ 29.755372] ? lock_downgrade+0x980/0x980 [ 29.759490] ? check_noncircular+0x20/0x20 [ 29.763694] ? lock_release+0xa40/0xa40 [ 29.767643] ? __free_insn_slot+0x5c0/0x5c0 [ 29.771935] ? lock_acquire+0x1d5/0x580 [ 29.775895] lock_acquire+0x1d5/0x580 [ 29.779673] ? lock_acquire+0x1d5/0x580 [ 29.783630] ? rtnl_lock+0x17/0x20 [ 29.787141] ? lock_release+0xa40/0xa40 [ 29.791241] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 29.797099] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 29.802263] ? rcu_note_context_switch+0x710/0x710 [ 29.807172] ? save_stack_trace+0x1a/0x20 [ 29.811290] ? save_trace+0xe0/0x2b0 [ 29.814972] ? __might_sleep+0x95/0x190 [ 29.818925] ? rtnl_lock+0x17/0x20 [ 29.822446] __mutex_lock+0x16f/0x1a80 [ 29.826328] ? rtnl_lock+0x17/0x20 [ 29.829865] ? rtnl_lock+0x17/0x20 [ 29.833376] ? mutex_lock_io_nested+0x1900/0x1900 [ 29.838203] ? ipv4_hooks_unregister+0x203/0x340 [ 29.842928] ? lock_downgrade+0x980/0x980 [ 29.847046] ? check_noncircular+0x20/0x20 [ 29.851261] ? is_bpf_text_address+0xa4/0x120 [ 29.855729] ? kernel_text_address+0x102/0x140 [ 29.860294] ? __kernel_text_address+0xd/0x40 [ 29.864759] ? unwind_get_return_address+0x61/0xa0 [ 29.869659] ? check_noncircular+0x20/0x20 [ 29.873865] ? find_held_lock+0x35/0x1d0 [ 29.877904] ? nf_ct_l3proto_module_put+0x191/0x2c0 [ 29.882891] ? lock_downgrade+0x980/0x980 [ 29.887013] ? lock_release+0xa40/0xa40 [ 29.890957] ? __lock_is_held+0xb6/0x140 [ 29.894994] ? nf_ct_l3proto_module_put+0x1ba/0x2c0 [ 29.899981] ? nf_ct_l4proto_unregister_sysctl.isra.9+0x120/0x120 [ 29.906185] ? tee_tg6+0x170/0x170 [ 29.909695] mutex_lock_nested+0x16/0x20 [ 29.913726] ? mutex_lock_nested+0x16/0x20 [ 29.917930] rtnl_lock+0x17/0x20 [ 29.921267] unregister_netdevice_notifier+0x91/0x4e0 [ 29.926428] ? nf_ct_l4proto_find_get+0x180/0x180 [ 29.931242] ? trace_hardirqs_on+0xd/0x10 [ 29.935375] ? register_netdevice_notifier+0x860/0x860 [ 29.940625] ? free_modinfo_version+0x70/0x70 [ 29.945093] ? connbytes_mt_check+0x2a0/0x2a0 [ 29.949557] ? nf_ct_netns_put+0x2b/0x60 [ 29.953597] ? connbytes_mt_check+0x2a0/0x2a0 [ 29.958066] ? cleanup_match+0x198/0x220 [ 29.962095] ? icmp_checkentry+0x80/0x80 [ 29.966126] ? tee_tg6+0x170/0x170 [ 29.969635] tee_tg_destroy+0x61/0xc0 [ 29.973406] cleanup_entry+0x218/0x350 [ 29.977267] ? cleanup_match+0x220/0x220 [ 29.981303] ? find_next_bit+0x27/0x30 [ 29.985162] __do_replace+0x79d/0xa50 [ 29.988937] ? compat_table_info+0x470/0x470 [ 29.993315] ? kasan_check_write+0x14/0x20 [ 29.997519] ? _copy_from_user+0x99/0x110 [ 30.001642] do_ipt_set_ctl+0x40f/0x5f0 [ 30.005589] ? translate_compat_table+0x1b90/0x1b90 [ 30.010581] ? mutex_unlock+0xd/0x10 [ 30.014280] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 30.019529] nf_setsockopt+0x67/0xc0 [ 30.023218] ip_setsockopt+0xa1/0xb0 [ 30.026920] sctp_setsockopt+0x2b6/0x61d0 [ 30.031039] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 30.036722] ? __free_insn_slot+0x5c0/0x5c0 [ 30.041018] ? rcutorture_record_progress+0x10/0x10 [ 30.046009] ? is_bpf_text_address+0xa4/0x120 [ 30.050502] ? __lock_acquire+0x664/0x3e00 [ 30.054710] ? unwind_get_return_address+0x61/0xa0 [ 30.059613] ? __save_stack_trace+0x7e/0xd0 [ 30.063909] ? check_noncircular+0x20/0x20 [ 30.068113] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 30.073275] ? save_stack+0xa3/0xd0 [ 30.076873] ? save_stack+0x43/0xd0 [ 30.080472] ? kasan_kmalloc+0xad/0xe0 [ 30.084340] ? kasan_slab_alloc+0x12/0x20 [ 30.088458] ? kmem_cache_alloc+0x12e/0x760 [ 30.092749] ? selinux_file_alloc_security+0xae/0x190 [ 30.097921] ? security_file_alloc+0x6d/0xa0 [ 30.102302] ? get_empty_filp+0x189/0x4f0 [ 30.106419] ? alloc_file+0x26/0x390 [ 30.110104] ? sock_alloc_file+0x1f3/0x560 [ 30.114309] ? sock_map_fd+0x34/0x90 [ 30.117992] ? SyS_socket+0x125/0x1d0 [ 30.121763] ? entry_SYSCALL_64_fastpath+0x29/0xa0 [ 30.126671] ? kasan_slab_alloc+0x12/0x20 [ 30.130790] ? kmem_cache_alloc+0x12e/0x760 [ 30.135084] ? get_empty_filp+0xfb/0x4f0 [ 30.139113] ? alloc_file+0x26/0x390 [ 30.142797] ? sock_alloc_file+0x1f3/0x560 [ 30.147006] ? find_held_lock+0x35/0x1d0 [ 30.151039] ? avc_has_perm+0x35e/0x680 [ 30.154981] ? lock_downgrade+0x980/0x980 [ 30.159101] ? debug_mutex_init+0x1c/0x60 [ 30.163221] ? lock_release+0xa40/0xa40 [ 30.167167] ? __lockdep_init_map+0xe4/0x650 [ 30.171548] ? avc_has_perm+0x43e/0x680 [ 30.175495] ? avc_has_perm_noaudit+0x520/0x520 [ 30.180137] ? __fd_install+0x25f/0x740 [ 30.184083] ? lock_downgrade+0x980/0x980 [ 30.188202] ? __lock_is_held+0xb6/0x140 [ 30.192238] ? sock_has_perm+0x2a4/0x420 [ 30.196271] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 30.201608] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 30.207289] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 30.212549] ? alloc_file+0x27e/0x390 [ 30.216327] sock_common_setsockopt+0x95/0xd0 [ 30.220792] SyS_setsockopt+0x189/0x360 [ 30.224739] ? SyS_recv+0x40/0x40 [ 30.228165] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 30.232980] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.237967] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.242695] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 30.247422] RIP: 0033:0x442189 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.250596] RSP: 002b:00007ffe234d4be8 EFLAGS: 00000207 ORIG_RAX: 0000000000000036 [ 30.258281] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000442189 [ 30.265525] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000007 [ 30.272779] RBP: 00000000006cc018 R08: 0000000000000308 R09: 0000000000000000 [ 30.280028] R10: 000000002002ccf8 R11: 0000000000000207 R12: 0000000000403ab0 [ 30.287270] R13: 0000000000403b40 R14: 0000000000000000 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 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing progra