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305 | mk@mk-W230SS:~$ strace -f ./question1 -e trace=process,pipe
execve("./question1", ["./question1", "-e", "trace=process,pipe"], [/* 62 vars */]) = 0
brk(NULL) = 0x13e8000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9387197000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=97821, ...}) = 0
mmap(NULL, 97821, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f938717f000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P\t\2\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1864888, ...}) = 0
mmap(NULL, 3967488, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f9386bab000
mprotect(0x7f9386d6b000, 2093056, PROT_NONE) = 0
mmap(0x7f9386f6a000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1bf000) = 0x7f9386f6a000
mmap(0x7f9386f70000, 14848, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f9386f70000
close(3) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f938717e000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f938717d000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f938717c000
arch_prctl(ARCH_SET_FS, 0x7f938717d700) = 0
mprotect(0x7f9386f6a000, 16384, PROT_READ) = 0
mprotect(0x600000, 4096, PROT_READ) = 0
mprotect(0x7f9387199000, 4096, PROT_READ) = 0
munmap(0x7f938717f000, 97821) = 0
pipe([3, 4]) = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f938717d9d0) = 7842
strace: Process 7842 attached
[pid 7841] close(0) = 0
[pid 7841] dup(3) = 0
[pid 7842] close(1 <unfinished ...>
[pid 7841] close(4 <unfinished ...>
[pid 7842] <... close resumed> ) = 0
[pid 7841] <... close resumed> ) = 0
[pid 7842] dup(4 <unfinished ...>
[pid 7841] execve("/home/mk/bin/wc", ["wc", "-l"], [/* 62 vars */] <unfinished ...>
[pid 7842] <... dup resumed> ) = 1
[pid 7841] <... execve resumed> ) = -1 ENOENT (No such file or directory)
[pid 7842] close(3 <unfinished ...>
[pid 7841] execve("/home/mk/.local/bin/wc", ["wc", "-l"], [/* 62 vars */] <unfinished ...>
[pid 7842] <... close resumed> ) = 0
[pid 7841] <... execve resumed> ) = -1 ENOENT (No such file or directory)
[pid 7841] execve("/usr/local/sbin/wc", ["wc", "-l"], [/* 62 vars */] <unfinished ...>
[pid 7842] execve("/home/mk/bin/ls", ["ls"], [/* 62 vars */] <unfinished ...>
[pid 7841] <... execve resumed> ) = -1 ENOENT (No such file or directory)
[pid 7842] <... execve resumed> ) = -1 ENOENT (No such file or directory)
[pid 7841] execve("/usr/local/bin/wc", ["wc", "-l"], [/* 62 vars */] <unfinished ...>
[pid 7842] execve("/home/mk/.local/bin/ls", ["ls"], [/* 62 vars */] <unfinished ...>
[pid 7841] <... execve resumed> ) = -1 ENOENT (No such file or directory)
[pid 7842] <... execve resumed> ) = -1 ENOENT (No such file or directory)
[pid 7841] execve("/usr/sbin/wc", ["wc", "-l"], [/* 62 vars */] <unfinished ...>
[pid 7842] execve("/usr/local/sbin/ls", ["ls"], [/* 62 vars */] <unfinished ...>
[pid 7841] <... execve resumed> ) = -1 ENOENT (No such file or directory)
[pid 7842] <... execve resumed> ) = -1 ENOENT (No such file or directory)
[pid 7842] execve("/usr/local/bin/ls", ["ls"], [/* 62 vars */] <unfinished ...>
[pid 7841] execve("/usr/bin/wc", ["wc", "-l"], [/* 62 vars */] <unfinished ...>
[pid 7842] <... execve resumed> ) = -1 ENOENT (No such file or directory)
[pid 7842] execve("/usr/sbin/ls", ["ls"], [/* 62 vars */]) = -1 ENOENT (No such file or directory)
[pid 7842] execve("/usr/bin/ls", ["ls"], [/* 62 vars */]) = -1 ENOENT (No such file or directory)
[pid 7842] execve("/sbin/ls", ["ls"], [/* 62 vars */] <unfinished ...>
[pid 7841] <... execve resumed> ) = 0
[pid 7842] <... execve resumed> ) = -1 ENOENT (No such file or directory)
[pid 7842] execve("/bin/ls", ["ls"], [/* 62 vars */] <unfinished ...>
[pid 7841] brk(NULL) = 0x198b000
[pid 7841] access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
[pid 7841] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1715285000
[pid 7841] access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
[pid 7841] open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 4
[pid 7842] <... execve resumed> ) = 0
[pid 7841] fstat(4, {st_mode=S_IFREG|0644, st_size=97821, ...}) = 0
[pid 7842] brk(NULL <unfinished ...>
[pid 7841] mmap(NULL, 97821, PROT_READ, MAP_PRIVATE, 4, 0 <unfinished ...>
[pid 7842] <... brk resumed> ) = 0x156e000
[pid 7841] <... mmap resumed> ) = 0x7f171526d000
[pid 7841] close(4 <unfinished ...>
[pid 7842] access("/etc/ld.so.nohwcap", F_OK <unfinished ...>
[pid 7841] <... close resumed> ) = 0
[pid 7842] <... access resumed> ) = -1 ENOENT (No such file or directory)
[pid 7841] access("/etc/ld.so.nohwcap", F_OK <unfinished ...>
[pid 7842] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 7841] <... access resumed> ) = -1 ENOENT (No such file or directory)
[pid 7842] <... mmap resumed> ) = 0x7ff93ffa5000
[pid 7841] open("/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC <unfinished ...>
[pid 7842] access("/etc/ld.so.preload", R_OK <unfinished ...>
[pid 7841] <... open resumed> ) = 4
[pid 7842] <... access resumed> ) = -1 ENOENT (No such file or directory)
[pid 7841] read(4, <unfinished ...>
[pid 7842] open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC <unfinished ...>
[pid 7841] <... read resumed> "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P\t\2\0\0\0\0\0"..., 832) = 832
[pid 7842] <... open resumed> ) = 3
[pid 7841] fstat(4, <unfinished ...>
[pid 7842] fstat(3, <unfinished ...>
[pid 7841] <... fstat resumed> {st_mode=S_IFREG|0755, st_size=1864888, ...}) = 0
[pid 7842] <... fstat resumed> {st_mode=S_IFREG|0644, st_size=97821, ...}) = 0
[pid 7841] mmap(NULL, 3967488, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0 <unfinished ...>
[pid 7842] mmap(NULL, 97821, PROT_READ, MAP_PRIVATE, 3, 0 <unfinished ...>
[pid 7841] <... mmap resumed> ) = 0x7f1714c99000
[pid 7842] <... mmap resumed> ) = 0x7ff93ff8d000
[pid 7841] mprotect(0x7f1714e59000, 2093056, PROT_NONE <unfinished ...>
[pid 7842] close(3 <unfinished ...>
[pid 7841] <... mprotect resumed> ) = 0
[pid 7842] <... close resumed> ) = 0
[pid 7841] mmap(0x7f1715058000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x1bf000 <unfinished ...>
[pid 7842] access("/etc/ld.so.nohwcap", F_OK <unfinished ...>
[pid 7841] <... mmap resumed> ) = 0x7f1715058000
[pid 7842] <... access resumed> ) = -1 ENOENT (No such file or directory)
[pid 7841] mmap(0x7f171505e000, 14848, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 7842] open("/lib/x86_64-linux-gnu/libselinux.so.1", O_RDONLY|O_CLOEXEC <unfinished ...>
[pid 7841] <... mmap resumed> ) = 0x7f171505e000
[pid 7842] <... open resumed> ) = 3
[pid 7841] close(4 <unfinished ...>
[pid 7842] read(3, <unfinished ...>
[pid 7841] <... close resumed> ) = 0
[pid 7842] <... read resumed> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260Z\0\0\0\0\0\0"..., 832) = 832
[pid 7842] fstat(3, <unfinished ...>
[pid 7841] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 7842] <... fstat resumed> {st_mode=S_IFREG|0644, st_size=130224, ...}) = 0
[pid 7841] <... mmap resumed> ) = 0x7f171526c000
[pid 7842] mmap(NULL, 2234080, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0 <unfinished ...>
[pid 7841] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 7842] <... mmap resumed> ) = 0x7ff93fb60000
[pid 7841] <... mmap resumed> ) = 0x7f171526b000
[pid 7842] mprotect(0x7ff93fb7f000, 2093056, PROT_NONE <unfinished ...>
[pid 7841] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 7842] <... mprotect resumed> ) = 0
[pid 7841] <... mmap resumed> ) = 0x7f171526a000
[pid 7842] mmap(0x7ff93fd7e000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1e000 <unfinished ...>
[pid 7841] arch_prctl(ARCH_SET_FS, 0x7f171526b700 <unfinished ...>
[pid 7842] <... mmap resumed> ) = 0x7ff93fd7e000
[pid 7841] <... arch_prctl resumed> ) = 0
[pid 7842] mmap(0x7ff93fd80000, 5856, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7ff93fd80000
[pid 7842] close(3) = 0
[pid 7841] mprotect(0x7f1715058000, 16384, PROT_READ <unfinished ...>
[pid 7842] access("/etc/ld.so.nohwcap", F_OK <unfinished ...>
[pid 7841] <... mprotect resumed> ) = 0
[pid 7842] <... access resumed> ) = -1 ENOENT (No such file or directory)
[pid 7841] mprotect(0x609000, 4096, PROT_READ <unfinished ...>
[pid 7842] open("/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC <unfinished ...>
[pid 7841] <... mprotect resumed> ) = 0
[pid 7842] <... open resumed> ) = 3
[pid 7841] mprotect(0x7f1715287000, 4096, PROT_READ <unfinished ...>
[pid 7842] read(3, <unfinished ...>
[pid 7841] <... mprotect resumed> ) = 0
[pid 7842] <... read resumed> "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P\t\2\0\0\0\0\0"..., 832) = 832
[pid 7841] munmap(0x7f171526d000, 97821 <unfinished ...>
[pid 7842] fstat(3, <unfinished ...>
[pid 7841] <... munmap resumed> ) = 0
[pid 7842] <... fstat resumed> {st_mode=S_IFREG|0755, st_size=1864888, ...}) = 0
[pid 7842] mmap(NULL, 3967488, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7ff93f797000
[pid 7842] mprotect(0x7ff93f957000, 2093056, PROT_NONE) = 0
[pid 7842] mmap(0x7ff93fb56000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1bf000 <unfinished ...>
[pid 7841] brk(NULL <unfinished ...>
[pid 7842] <... mmap resumed> ) = 0x7ff93fb56000
[pid 7841] <... brk resumed> ) = 0x198b000
[pid 7842] mmap(0x7ff93fb5c000, 14848, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 7841] brk(0x19ac000 <unfinished ...>
[pid 7842] <... mmap resumed> ) = 0x7ff93fb5c000
[pid 7841] <... brk resumed> ) = 0x19ac000
[pid 7842] close(3 <unfinished ...>
[pid 7841] open("/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC <unfinished ...>
[pid 7842] <... close resumed> ) = 0
[pid 7841] <... open resumed> ) = 4
[pid 7841] fstat(4, <unfinished ...>
[pid 7842] access("/etc/ld.so.nohwcap", F_OK <unfinished ...>
[pid 7841] <... fstat resumed> {st_mode=S_IFREG|0644, st_size=10219008, ...}) = 0
[pid 7842] <... access resumed> ) = -1 ENOENT (No such file or directory)
[pid 7841] mmap(NULL, 10219008, PROT_READ, MAP_PRIVATE, 4, 0 <unfinished ...>
[pid 7842] open("/lib/x86_64-linux-gnu/libpcre.so.3", O_RDONLY|O_CLOEXEC <unfinished ...>
[pid 7841] <... mmap resumed> ) = 0x7f17142da000
[pid 7842] <... open resumed> ) = 3
[pid 7841] close(4 <unfinished ...>
[pid 7842] read(3, <unfinished ...>
[pid 7841] <... close resumed> ) = 0
[pid 7842] <... read resumed> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0000\25\0\0\0\0\0\0"..., 832) = 832
[pid 7842] fstat(3, {st_mode=S_IFREG|0644, st_size=456632, ...}) = 0
[pid 7842] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 7841] open("/usr/share/locale/locale.alias", O_RDONLY|O_CLOEXEC <unfinished ...>
[pid 7842] <... mmap resumed> ) = 0x7ff93ff8c000
[pid 7841] <... open resumed> ) = 4
[pid 7842] mmap(NULL, 2552072, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0 <unfinished ...>
[pid 7841] fstat(4, <unfinished ...>
[pid 7842] <... mmap resumed> ) = 0x7ff93f527000
[pid 7841] <... fstat resumed> {st_mode=S_IFREG|0644, st_size=2995, ...}) = 0
[pid 7842] mprotect(0x7ff93f595000, 2097152, PROT_NONE <unfinished ...>
[pid 7841] read(4, <unfinished ...>
[pid 7842] <... mprotect resumed> ) = 0
[pid 7841] <... read resumed> "# Locale name alias data base.\n#"..., 4096) = 2995
[pid 7842] mmap(0x7ff93f795000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6e000) = 0x7ff93f795000
[pid 7841] read(4, "", 4096) = 0
[pid 7842] close(3 <unfinished ...>
[pid 7841] close(4 <unfinished ...>
[pid 7842] <... close resumed> ) = 0
[pid 7841] <... close resumed> ) = 0
[pid 7842] access("/etc/ld.so.nohwcap", F_OK <unfinished ...>
[pid 7841] open("/usr/share/locale/en_GB/LC_MESSAGES/coreutils.mo", O_RDONLY <unfinished ...>
[pid 7842] <... access resumed> ) = -1 ENOENT (No such file or directory)
[pid 7841] <... open resumed> ) = -1 ENOENT (No such file or directory)
[pid 7842] open("/lib/x86_64-linux-gnu/libdl.so.2", O_RDONLY|O_CLOEXEC <unfinished ...>
[pid 7841] open("/usr/share/locale/en/LC_MESSAGES/coreutils.mo", O_RDONLY <unfinished ...>
[pid 7842] <... open resumed> ) = 3
[pid 7841] <... open resumed> ) = -1 ENOENT (No such file or directory)
[pid 7842] read(3, <unfinished ...>
[pid 7841] open("/usr/share/locale-langpack/en_GB/LC_MESSAGES/coreutils.mo", O_RDONLY <unfinished ...>
[pid 7842] <... read resumed> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240\r\0\0\0\0\0\0"..., 832) = 832
[pid 7841] <... open resumed> ) = 4
[pid 7842] fstat(3, <unfinished ...>
[pid 7841] fstat(4, <unfinished ...>
[pid 7842] <... fstat resumed> {st_mode=S_IFREG|0644, st_size=14608, ...}) = 0
[pid 7841] <... fstat resumed> {st_mode=S_IFREG|0644, st_size=14622, ...}) = 0
[pid 7842] mmap(NULL, 2109680, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0 <unfinished ...>
[pid 7841] mmap(NULL, 14622, PROT_READ, MAP_PRIVATE, 4, 0 <unfinished ...>
[pid 7842] <... mmap resumed> ) = 0x7ff93f323000
[pid 7841] <... mmap resumed> ) = 0x7f1715281000
[pid 7842] mprotect(0x7ff93f326000, 2093056, PROT_NONE <unfinished ...>
[pid 7841] close(4 <unfinished ...>
[pid 7842] <... mprotect resumed> ) = 0
[pid 7841] <... close resumed> ) = 0
[pid 7842] mmap(0x7ff93f525000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000 <unfinished ...>
[pid 7841] open("/usr/share/locale-langpack/en/LC_MESSAGES/coreutils.mo", O_RDONLY <unfinished ...>
[pid 7842] <... mmap resumed> ) = 0x7ff93f525000
[pid 7841] <... open resumed> ) = 4
[pid 7841] fstat(4, <unfinished ...>
[pid 7842] close(3 <unfinished ...>
[pid 7841] <... fstat resumed> {st_mode=S_IFREG|0644, st_size=619, ...}) = 0
[pid 7842] <... close resumed> ) = 0
[pid 7841] mmap(NULL, 619, PROT_READ, MAP_PRIVATE, 4, 0) = 0x7f1715280000
[pid 7842] access("/etc/ld.so.nohwcap", F_OK <unfinished ...>
[pid 7841] close(4 <unfinished ...>
[pid 7842] <... access resumed> ) = -1 ENOENT (No such file or directory)
[pid 7841] <... close resumed> ) = 0
[pid 7842] open("/lib/x86_64-linux-gnu/libpthread.so.0", O_RDONLY|O_CLOEXEC <unfinished ...>
[pid 7841] fadvise64(0, 0, 0, POSIX_FADV_SEQUENTIAL <unfinished ...>
[pid 7842] <... open resumed> ) = 3
[pid 7841] <... fadvise64 resumed> ) = -1 ESPIPE (Illegal seek)
[pid 7842] read(3, <unfinished ...>
[pid 7841] read(0, <unfinished ...>
[pid 7842] <... read resumed> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360`\0\0\0\0\0\0"..., 832) = 832
[pid 7842] fstat(3, {st_mode=S_IFREG|0755, st_size=138744, ...}) = 0
[pid 7842] mmap(NULL, 2212904, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7ff93f106000
[pid 7842] mprotect(0x7ff93f11e000, 2093056, PROT_NONE) = 0
[pid 7842] mmap(0x7ff93f31d000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x17000) = 0x7ff93f31d000
[pid 7842] mmap(0x7ff93f31f000, 13352, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7ff93f31f000
[pid 7842] close(3) = 0
[pid 7842] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff93ff8b000
[pid 7842] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff93ff89000
[pid 7842] arch_prctl(ARCH_SET_FS, 0x7ff93ff89800) = 0
[pid 7842] mprotect(0x7ff93fb56000, 16384, PROT_READ) = 0
[pid 7842] mprotect(0x7ff93f31d000, 4096, PROT_READ) = 0
[pid 7842] mprotect(0x7ff93f525000, 4096, PROT_READ) = 0
[pid 7842] mprotect(0x7ff93f795000, 4096, PROT_READ) = 0
[pid 7842] mprotect(0x7ff93fd7e000, 4096, PROT_READ) = 0
[pid 7842] mprotect(0x61d000, 4096, PROT_READ) = 0
[pid 7842] mprotect(0x7ff93ffa7000, 4096, PROT_READ) = 0
[pid 7842] munmap(0x7ff93ff8d000, 97821) = 0
[pid 7842] set_tid_address(0x7ff93ff89ad0) = 7842
[pid 7842] set_robust_list(0x7ff93ff89ae0, 24) = 0
[pid 7842] rt_sigaction(SIGRTMIN, {0x7ff93f10bb90, [], SA_RESTORER|SA_SIGINFO, 0x7ff93f1173d0}, NULL, 8) = 0
[pid 7842] rt_sigaction(SIGRT_1, {0x7ff93f10bc20, [], SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x7ff93f1173d0}, NULL, 8) = 0
[pid 7842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid 7842] getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
[pid 7842] statfs("/sys/fs/selinux", 0x7ffd886b2040) = -1 ENOENT (No such file or directory)
[pid 7842] statfs("/selinux", 0x7ffd886b2040) = -1 ENOENT (No such file or directory)
[pid 7842] brk(NULL) = 0x156e000
[pid 7842] brk(0x158f000) = 0x158f000
[pid 7842] open("/proc/filesystems", O_RDONLY) = 3
[pid 7842] fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
[pid 7842] read(3, "nodev\tsysfs\nnodev\trootfs\nnodev\tr"..., 1024) = 359
[pid 7842] read(3, "", 1024) = 0
[pid 7842] close(3) = 0
[pid 7842] open("/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 3
[pid 7842] fstat(3, {st_mode=S_IFREG|0644, st_size=10219008, ...}) = 0
[pid 7842] mmap(NULL, 10219008, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7ff93e747000
[pid 7842] close(3) = 0
[pid 7842] ioctl(1, TCGETS, 0x7ffd886b1ca0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 7842] ioctl(1, TIOCGWINSZ, 0x7ffd886b1d60) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 7842] open(".", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3
[pid 7842] fstat(3, {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
[pid 7842] getdents(3, /* 28 entries */, 32768) = 920
[pid 7842] getdents(3, /* 0 entries */, 32768) = 0
[pid 7842] close(3) = 0
[pid 7842] fstat(1, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0
[pid 7842] write(1, "Desktop\nDocuments\nDownloads\nexam"..., 106 <unfinished ...>
[pid 7841] <... read resumed> "Desktop\nDocuments\nDownloads\nexam"..., 16384) = 106
[pid 7842] <... write resumed> ) = 106
[pid 7841] read(0, <unfinished ...>
[pid 7842] close(1) = 0
[pid 7842] close(2) = 0
[pid 7842] exit_group(0) = ?
[pid 7841] <... read resumed> "", 16384) = 0
[pid 7842] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7842, si_uid=1000, si_status=0, si_utime=0, si_stime=0} ---
fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 1), ...}) = 0
write(1, "11\n", 311
) = 3
close(0) = 0
close(1) = 0
close(2) = 0
exit_group(0) = ?
+++ exited with 0 +++
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