[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 18.608094] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 24.084521] random: sshd: uninitialized urandom read (32 bytes read) [ 24.406181] random: sshd: uninitialized urandom read (32 bytes read) [ 25.121768] random: sshd: uninitialized urandom read (32 bytes read) [ 39.542216] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.50' (ECDSA) to the list of known hosts. [ 45.049506] random: sshd: uninitialized urandom read (32 bytes read) executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 45.138991] [ 45.140638] ====================================================== [ 45.146944] WARNING: possible circular locking dependency detected [ 45.153242] 4.17.0-rc2+ #23 Not tainted [ 45.157186] ------------------------------------------------------ [ 45.163474] syz-executor715/4492 is trying to acquire lock: [ 45.169160] (ptrval) (sb_writers#6){.+.+}, at: vfs_fallocate+0x5be/0x8d0 [ 45.176686] [ 45.176686] but task is already holding lock: [ 45.182638] (ptrval) (ashmem_mutex){+.+.}, at: ashmem_shrink_scan+0xac/0x560 [ 45.190502] [ 45.190502] which lock already depends on the new lock. [ 45.190502] [ 45.198793] [ 45.198793] the existing dependency chain (in reverse order) is: [ 45.206386] [ 45.206386] -> #3 (ashmem_mutex){+.+.}: [ 45.211825] __mutex_lock+0x16d/0x17f0 [ 45.216209] mutex_lock_nested+0x16/0x20 [ 45.220763] ashmem_mmap+0x53/0x460 [ 45.224889] mmap_region+0xd13/0x1820 [ 45.229185] do_mmap+0xc79/0x11d0 [ 45.233136] vm_mmap_pgoff+0x1fb/0x2a0 [ 45.237519] ksys_mmap_pgoff+0x4c9/0x640 [ 45.242077] __x64_sys_mmap+0xe9/0x1b0 [ 45.246471] do_syscall_64+0x1b1/0x800 [ 45.250856] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.256536] [ 45.256536] -> #2 (&mm->mmap_sem){++++}: [ 45.262101] __might_fault+0x155/0x1e0 [ 45.266488] _copy_to_user+0x30/0x110 [ 45.270783] filldir+0x1ea/0x3a0 [ 45.274645] dcache_readdir+0x13a/0x620 [ 45.279202] iterate_dir+0x4b0/0x5d0 [ 45.283411] __x64_sys_getdents+0x293/0x4e0 [ 45.288230] do_syscall_64+0x1b1/0x800 [ 45.292615] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.298294] [ 45.298294] -> #1 (&sb->s_type->i_mutex_key#11){++++}: [ 45.305057] down_write+0x87/0x120 [ 45.309092] path_openat+0x123b/0x4e20 [ 45.313476] do_filp_open+0x249/0x350 [ 45.317774] do_sys_open+0x56f/0x740 [ 45.321984] __x64_sys_open+0x7e/0xc0 [ 45.326279] do_syscall_64+0x1b1/0x800 [ 45.330664] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.336347] [ 45.336347] -> #0 (sb_writers#6){.+.+}: [ 45.341786] lock_acquire+0x1dc/0x520 [ 45.346081] __sb_start_write+0x1e9/0x300 [ 45.350726] vfs_fallocate+0x5be/0x8d0 [ 45.355110] ashmem_shrink_scan+0x1f1/0x560 [ 45.359925] ashmem_ioctl+0x3bf/0x13a0 [ 45.364310] do_vfs_ioctl+0x1cf/0x16a0 [ 45.368692] ksys_ioctl+0xa9/0xd0 [ 45.372646] __x64_sys_ioctl+0x73/0xb0 [ 45.377043] do_syscall_64+0x1b1/0x800 [ 45.381428] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.387106] [ 45.387106] other info that might help us debug this: [ 45.387106] [ 45.395221] Chain exists of: [ 45.395221] sb_writers#6 --> &mm->mmap_sem --> ashmem_mutex [ 45.395221] [ 45.405435] Possible unsafe locking scenario: [ 45.405435] [ 45.411462] CPU0 CPU1 [ 45.416099] ---- ---- [ 45.420735] lock(ashmem_mutex); [ 45.424159] lock(&mm->mmap_sem); [ 45.430188] lock(ashmem_mutex); [ 45.436140] lock(sb_writers#6); [ 45.439587] [ 45.439587] *** DEADLOCK *** [ 45.439587] [ 45.445621] 1 lock held by syz-executor715/4492: [ 45.450346] #0: (ptrval) (ashmem_mutex){+.+.}, at: ashmem_shrink_scan+0xac/0x560 [ 45.458647] [ 45.458647] stack backtrace: [ 45.463125] CPU: 1 PID: 4492 Comm: syz-executor715 Not tainted 4.17.0-rc2+ #23 [ 45.470458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.479791] Call Trace: [ 45.482357] dump_stack+0x1b9/0x294 [ 45.485964] ? dump_stack_print_info.cold.2+0x52/0x52 [ 45.491129] ? print_lock+0xd1/0xd6 [ 45.494733] ? vprintk_func+0x81/0xe7 [ 45.498508] print_circular_bug.isra.36.cold.54+0x1bd/0x27d [ 45.504191] ? save_trace+0xe0/0x290 [ 45.507881] __lock_acquire+0x343e/0x5140 [ 45.512006] ? debug_check_no_locks_freed+0x310/0x310 [ 45.517171] ? __mutex_init+0x1ef/0x280 [ 45.521118] ? __ia32_sys_membarrier+0x150/0x150 [ 45.525846] ? mark_held_locks+0xc9/0x160 [ 45.529971] ? find_held_lock+0x36/0x1c0 [ 45.534007] ? graph_lock+0x170/0x170 [ 45.537788] ? graph_lock+0x170/0x170 [ 45.541564] ? lock_downgrade+0x8e0/0x8e0 [ 45.545687] ? get_empty_filp+0x37a/0x520 [ 45.549810] ? proc_nr_files+0x60/0x60 [ 45.553673] ? __x64_sys_mmap+0xe9/0x1b0 [ 45.557710] ? find_held_lock+0x36/0x1c0 [ 45.561839] ? graph_lock+0x170/0x170 [ 45.565614] ? uprobe_mmap+0x190/0xcf0 [ 45.569476] ? lock_downgrade+0x8e0/0x8e0 [ 45.573601] lock_acquire+0x1dc/0x520 [ 45.577378] ? vfs_fallocate+0x5be/0x8d0 [ 45.581414] ? lock_release+0xa10/0xa10 [ 45.585362] ? check_same_owner+0x320/0x320 [ 45.589663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.595176] ? vma_set_page_prot+0x183/0x260 [ 45.599560] ? rcu_note_context_switch+0x710/0x710 [ 45.604464] ? vma_wants_writenotify+0x480/0x480 [ 45.609202] ? __might_sleep+0x95/0x190 [ 45.613160] __sb_start_write+0x1e9/0x300 [ 45.617296] ? vfs_fallocate+0x5be/0x8d0 [ 45.621333] ? shmem_setattr+0xd70/0xd70 [ 45.625369] vfs_fallocate+0x5be/0x8d0 [ 45.629231] ashmem_shrink_scan+0x1f1/0x560 [ 45.633527] ? cap_capable+0x1f9/0x260 [ 45.637389] ? range_alloc+0x540/0x540 [ 45.641253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.646767] ? ns_capable_common+0x13f/0x170 [ 45.651153] ashmem_ioctl+0x3bf/0x13a0 [ 45.655017] ? userfaultfd_unmap_prep+0x640/0x640 [ 45.659846] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 45.665445] ? do_mmap+0x570/0x11d0 [ 45.669047] ? ashmem_release+0x190/0x190 [ 45.673176] ? up_write+0x72/0x210 [ 45.676688] ? up_read+0x110/0x110 [ 45.680203] ? vm_mmap_pgoff+0x1a1/0x2a0 [ 45.684246] ? down_read_killable+0x1f0/0x1f0 [ 45.688719] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 45.693884] ? ashmem_release+0x190/0x190 [ 45.698008] do_vfs_ioctl+0x1cf/0x16a0 [ 45.701871] ? ioctl_preallocate+0x2e0/0x2e0 [ 45.706253] ? fget_raw+0x20/0x20 [ 45.709682] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 45.715194] ? fput+0x130/0x1a0 [ 45.718447] ? ksys_mmap_pgoff+0x276/0x640 [ 45.722665] ? do_sys_open+0x3c3/0x740 [ 45.726534] ? find_mergeable_anon_vma+0xd0/0xd0 [ 45.731268] ? security_file_ioctl+0x94/0xc0 [ 45.735652] ksys_ioctl+0xa9/0xd0 [ 45.739083] __x64_sys_ioctl+0x73/0xb0 [ 45.742948] do_syscall_64+0x1b1/0x800 [ 45.746812] ? syscall_return_slowpath+0x5c0/0x5c0 [ 45.751724] ? syscall_return_slowpath+0x30f/0x5c0 [ 45.756642] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 45.761987] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.766902] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.772069] RIP: 0033:0x440179 [ 45.775233] RSP: 002b:00007ffc165d4a28 EFLAGS: 00000217 ORIG_RAX: 0000000000000010 [ 45.782915] RAX: ffffffffffffffda RBX: 6873612f7665642f RCX: 0000000000440179 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 45.790160] RDX: 0000000000000000 RSI: 000000000000770a RDI: 0000000000000004 [ 45.797401] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 45.804651] R10: 0000000000000004 R11: 0000000000000217 R12: 00000000004016a0 [ 45.811895] R13: 0000000000401730 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 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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 program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executin