[....] Starting enhanced syslogd: rsyslogd[ 16.471916] audit: type=1400 audit(1517410273.692:5): avc: denied { syslog } for pid=4007 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 18.694417] audit: type=1400 audit(1517410275.915:6): avc: denied { map } for pid=4147 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.21' (ECDSA) to the list of known hosts. executing program [ 25.224687] audit: type=1400 audit(1517410282.445:7): avc: denied { map } for pid=4161 comm="syzkaller537783" path="/root/syzkaller537783634" 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 [ 25.250691] audit: type=1400 audit(1517410282.449:8): avc: denied { relabelto } for pid=4161 comm="syzkaller537783" 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 executing program [ 25.398484] [ 25.400145] ====================================================== [ 25.406431] WARNING: possible circular locking dependency detected [ 25.412722] 4.15.0+ #288 Not tainted [ 25.416405] ------------------------------------------------------ [ 25.422691] syzkaller537783/4161 is trying to acquire lock: [ 25.428367] (rtnl_mutex){+.+.}, at: [<000000006ad06b3d>] rtnl_lock+0x17/0x20 [ 25.435620] [ 25.435620] but task is already holding lock: [ 25.441558] (&xt[i].mutex){+.+.}, at: [<00000000a465a133>] xt_find_table_lock+0x40/0x3d0 [ 25.449854] [ 25.449854] which lock already depends on the new lock. [ 25.449854] [ 25.458141] [ 25.458141] the existing dependency chain (in reverse order) is: [ 25.465734] [ 25.465734] -> #2 (&xt[i].mutex){+.+.}: [ 25.471167] __mutex_lock+0x16f/0x1a80 [ 25.475547] mutex_lock_nested+0x16/0x20 [ 25.480104] xt_find_target+0x44/0x1e0 [ 25.484483] xt_request_find_target+0x2c/0xb0 [ 25.489472] find_check_entry.isra.7+0x669/0xcf0 [ 25.494717] translate_table+0xf52/0x1690 [ 25.499359] do_ip6t_set_ctl+0x370/0x5f0 [ 25.503913] nf_setsockopt+0x67/0xc0 [ 25.508121] ipv6_setsockopt+0x115/0x150 [ 25.512677] rawv6_setsockopt+0x4a/0xf0 [ 25.517146] sock_common_setsockopt+0x95/0xd0 [ 25.522133] SyS_setsockopt+0x189/0x360 [ 25.526610] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 25.531853] [ 25.531853] -> #1 (sk_lock-AF_INET6){+.+.}: [ 25.537633] lock_sock_nested+0xc2/0x110 [ 25.542191] do_ipv6_setsockopt.isra.8+0x3c5/0x39d0 [ 25.547697] ipv6_setsockopt+0xd7/0x150 [ 25.552163] udpv6_setsockopt+0x45/0x80 [ 25.556636] sock_common_setsockopt+0x95/0xd0 [ 25.561629] SyS_setsockopt+0x189/0x360 [ 25.566101] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 25.571346] [ 25.571346] -> #0 (rtnl_mutex){+.+.}: [ 25.576604] lock_acquire+0x1d5/0x580 [ 25.580898] __mutex_lock+0x16f/0x1a80 [ 25.585279] mutex_lock_nested+0x16/0x20 [ 25.589839] rtnl_lock+0x17/0x20 [ 25.593697] unregister_netdevice_notifier+0x91/0x4e0 [ 25.599377] tee_tg_destroy+0x61/0xc0 [ 25.603669] cleanup_entry+0x218/0x350 [ 25.608052] __do_replace+0x7d7/0xa90 [ 25.612349] do_ipt_set_ctl+0x40f/0x5f0 [ 25.616834] nf_setsockopt+0x67/0xc0 [ 25.621039] ip_setsockopt+0xa1/0xb0 [ 25.625245] sctp_setsockopt+0x2a0/0x5de0 [ 25.629887] sock_common_setsockopt+0x95/0xd0 [ 25.634874] SyS_setsockopt+0x189/0x360 [ 25.639341] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 25.644588] [ 25.644588] other info that might help us debug this: [ 25.644588] [ 25.652699] Chain exists of: [ 25.652699] rtnl_mutex --> sk_lock-AF_INET6 --> &xt[i].mutex [ 25.652699] [ 25.662989] Possible unsafe locking scenario: [ 25.662989] [ 25.669053] CPU0 CPU1 [ 25.673688] ---- ---- [ 25.678324] lock(&xt[i].mutex); [ 25.681758] lock(sk_lock-AF_INET6); [ 25.688046] lock(&xt[i].mutex); [ 25.693988] lock(rtnl_mutex); [ 25.697262] [ 25.697262] *** DEADLOCK *** [ 25.697262] [ 25.703294] 2 locks held by syzkaller537783/4161: [ 25.708105] #0: (sk_lock-AF_INET){+.+.}, at: [<0000000031464a2f>] ip_setsockopt+0x8c/0xb0 [ 25.716577] #1: (&xt[i].mutex){+.+.}, at: [<00000000a465a133>] xt_find_table_lock+0x40/0x3d0 [ 25.725323] [ 25.725323] stack backtrace: [ 25.729800] CPU: 0 PID: 4161 Comm: syzkaller537783 Not tainted 4.15.0+ #288 [ 25.736876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.746211] Call Trace: [ 25.748776] dump_stack+0x194/0x257 [ 25.752372] ? arch_local_irq_restore+0x53/0x53 [ 25.757018] print_circular_bug.isra.38+0x2cd/0x2dc [ 25.762010] ? save_trace+0xe0/0x2b0 [ 25.765697] __lock_acquire+0x30a8/0x3e00 [ 25.769819] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.774981] ? __lock_acquire+0x664/0x3e00 [ 25.779193] ? __is_insn_slot_addr+0x1fc/0x330 [ 25.783750] ? lock_downgrade+0x980/0x980 [ 25.787875] ? bpf_prog_kallsyms_find+0xbd/0x440 [ 25.792602] ? modules_open+0xa0/0xa0 [ 25.796375] ? trace_raw_output_xdp_redirect_map_err+0x440/0x440 [ 25.802488] ? lock_downgrade+0x980/0x980 [ 25.806611] ? print_irqtrace_events+0x270/0x270 [ 25.811338] ? lock_release+0xa40/0xa40 [ 25.815284] ? __free_insn_slot+0x5c0/0x5c0 [ 25.819578] ? lock_acquire+0x1d5/0x580 [ 25.823523] lock_acquire+0x1d5/0x580 [ 25.827295] ? lock_acquire+0x1d5/0x580 [ 25.831241] ? rtnl_lock+0x17/0x20 [ 25.834752] ? lock_release+0xa40/0xa40 [ 25.838700] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 25.844555] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.849720] ? rcu_note_context_switch+0x710/0x710 [ 25.854621] ? save_stack_trace+0x1a/0x20 [ 25.858742] ? save_trace+0xe0/0x2b0 [ 25.862426] ? __might_sleep+0x95/0x190 [ 25.866373] ? rtnl_lock+0x17/0x20 [ 25.869889] __mutex_lock+0x16f/0x1a80 [ 25.873746] ? rtnl_lock+0x17/0x20 [ 25.877256] ? rtnl_lock+0x17/0x20 [ 25.880770] ? mutex_lock_io_nested+0x1900/0x1900 [ 25.885585] ? ipv4_hooks_unregister+0x203/0x340 [ 25.890314] ? lock_downgrade+0x980/0x980 [ 25.894437] ? is_bpf_text_address+0xa4/0x120 [ 25.898907] ? check_noncircular+0x20/0x20 [ 25.903119] ? __kernel_text_address+0xd/0x40 [ 25.907586] ? unwind_get_return_address+0x61/0xa0 [ 25.912484] ? __save_stack_trace+0x7e/0xd0 [ 25.916781] ? find_held_lock+0x35/0x1d0 [ 25.920817] ? nf_ct_l3proto_module_put+0x191/0x2c0 [ 25.925804] ? lock_downgrade+0x980/0x980 [ 25.929926] ? lock_release+0xa40/0xa40 [ 25.933870] ? __lock_is_held+0xb6/0x140 [ 25.937906] ? nf_ct_l3proto_module_put+0x1ba/0x2c0 [ 25.942897] ? nf_ct_l4proto_unregister_sysctl.isra.9+0x120/0x120 [ 25.949102] ? tee_tg6+0x170/0x170 [ 25.952614] mutex_lock_nested+0x16/0x20 [ 25.956648] ? mutex_lock_nested+0x16/0x20 [ 25.960855] rtnl_lock+0x17/0x20 [ 25.964194] unregister_netdevice_notifier+0x91/0x4e0 [ 25.969356] ? nf_ct_l4proto_find_get+0x180/0x180 [ 25.974177] ? trace_hardirqs_on+0xd/0x10 [ 25.978298] ? register_netdevice_notifier+0x860/0x860 [ 25.983550] ? free_modinfo_version+0x70/0x70 [ 25.988020] ? connbytes_mt_check+0x2a0/0x2a0 [ 25.992486] ? nf_ct_netns_put+0x2b/0x60 [ 25.996520] ? connbytes_mt_check+0x2a0/0x2a0 [ 26.000986] ? cleanup_match+0x198/0x220 [ 26.005017] ? icmp_checkentry+0x80/0x80 [ 26.009050] ? tee_tg6+0x170/0x170 [ 26.012560] tee_tg_destroy+0x61/0xc0 [ 26.016333] cleanup_entry+0x218/0x350 [ 26.020191] ? cleanup_match+0x220/0x220 [ 26.024229] ? find_next_bit+0x27/0x30 [ 26.028091] __do_replace+0x7d7/0xa90 [ 26.031863] ? compat_table_info+0x470/0x470 [ 26.036245] ? kasan_check_write+0x14/0x20 [ 26.040448] ? _copy_from_user+0x99/0x110 [ 26.044567] do_ipt_set_ctl+0x40f/0x5f0 [ 26.048510] ? translate_compat_table+0x1b90/0x1b90 [ 26.053499] ? mutex_unlock+0xd/0x10 [ 26.057191] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 26.062444] nf_setsockopt+0x67/0xc0 [ 26.066131] ip_setsockopt+0xa1/0xb0 [ 26.069816] sctp_setsockopt+0x2a0/0x5de0 [ 26.073939] ? __free_insn_slot+0x5c0/0x5c0 [ 26.078248] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 26.083934] ? rcutorture_record_progress+0x10/0x10 [ 26.088928] ? is_bpf_text_address+0xa4/0x120 [ 26.093399] ? __lock_acquire+0x664/0x3e00 [ 26.097607] ? unwind_get_return_address+0x61/0xa0 [ 26.102514] ? __save_stack_trace+0x7e/0xd0 [ 26.106818] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 26.111991] ? save_stack+0xa3/0xd0 [ 26.115593] ? check_noncircular+0x20/0x20 [ 26.119885] ? kasan_kmalloc+0xad/0xe0 [ 26.123746] ? kasan_slab_alloc+0x12/0x20 [ 26.127863] ? kmem_cache_alloc+0x12e/0x760 [ 26.132160] ? selinux_file_alloc_security+0xae/0x190 [ 26.137324] ? security_file_alloc+0x6d/0xa0 [ 26.141706] ? get_empty_filp+0x189/0x4f0 [ 26.145823] ? alloc_file+0x26/0x390 [ 26.149508] ? sock_alloc_file+0x1f3/0x560 [ 26.153712] ? sock_map_fd+0x34/0x90 [ 26.157397] ? SyS_socket+0x125/0x1d0 [ 26.161167] ? entry_SYSCALL_64_fastpath+0x29/0xa0 [ 26.166073] ? kasan_slab_alloc+0x12/0x20 [ 26.170201] ? kmem_cache_alloc+0x12e/0x760 [ 26.174492] ? get_empty_filp+0xfb/0x4f0 [ 26.178524] ? alloc_file+0x26/0x390 [ 26.182214] ? sock_alloc_file+0x1f3/0x560 [ 26.186421] ? find_held_lock+0x35/0x1d0 [ 26.190458] ? avc_has_perm+0x35e/0x680 [ 26.194406] ? lock_downgrade+0x980/0x980 [ 26.198520] ? debug_mutex_init+0x1c/0x60 [ 26.202647] ? lock_release+0xa40/0xa40 [ 26.206592] ? __lockdep_init_map+0xe4/0x650 [ 26.210970] ? check_noncircular+0x20/0x20 [ 26.215194] ? avc_has_perm+0x43e/0x680 [ 26.219140] ? avc_has_perm_noaudit+0x520/0x520 [ 26.223783] ? __fd_install+0x25f/0x740 [ 26.227728] ? lock_downgrade+0x980/0x980 [ 26.231851] ? __lock_is_held+0xb6/0x140 [ 26.235885] ? sock_has_perm+0x2a4/0x420 [ 26.239922] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 26.245259] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 26.250942] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 26.256186] ? alloc_file+0x27e/0x390 [ 26.259962] sock_common_setsockopt+0x95/0xd0 [ 26.264427] SyS_setsockopt+0x189/0x360 [ 26.268372] ? SyS_recv+0x40/0x40 [ 26.271799] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 26.276622] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.281609] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 26.286340] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 26.291067] RIP: 0033:0x442189 [ 26.294229] RSP: 002b:00007fff15b73848 EFLAGS: 00000207 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 [ 26.301912] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000442189 [ 26.309154] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000007 [ 26.316397] RBP: 00000000006cc018 R08: 0000000000000308 R09: 0000000000000000 [ 26.323638] R10: 000000002002ccf8 R11: 0000000000000207 R12: 0000000000403ab0 [ 26.330880] 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 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing pr