execve("./ptytest", ["./ptytest"], [/* 7 vars */]) = 0
brk(0)                                  = 0x1d04000
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) = 0x7fe6784d0000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY)      = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=15432, ...}) = 0
mmap(NULL, 15432, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fe6784cc000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libutil.so.1", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20\16\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=10640, ...}) = 0
mmap(NULL, 2105608, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fe6780b0000
mprotect(0x7fe6780b2000, 2093056, PROT_NONE) = 0
mmap(0x7fe6782b1000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0x7fe6782b1000
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) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300\357\1\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1595408, ...}) = 0
mmap(NULL, 3709016, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fe677d26000
mprotect(0x7fe677ea6000, 2097152, PROT_NONE) = 0
mmap(0x7fe6780a6000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x180000) = 0x7fe6780a6000
mmap(0x7fe6780ab000, 18520, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fe6780ab000
close(3)                                = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe6784cb000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe6784ca000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe6784c9000
arch_prctl(ARCH_SET_FS, 0x7fe6784ca700) = 0
mprotect(0x7fe6780a6000, 16384, PROT_READ) = 0
mprotect(0x7fe6782b1000, 4096, PROT_READ) = 0
mprotect(0x7fe6784d2000, 4096, PROT_READ) = 0
munmap(0x7fe6784cc000, 15432)           = 0
open("/dev/ptmx", O_RDWR)               = -1 ENOSPC (No space left on device)
open("/dev/ptyp0", O_RDWR)              = 3
ioctl(3, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(3, TIOCGPTN, [0])                 = -1 EINVAL (Invalid argument)
fstat(3, {st_mode=S_IFCHR|S_ISVTX|0666, st_rdev=makedev(2, 0), ...}) = 0
stat("/dev/ttyp0", {st_mode=S_IFCHR|S_ISVTX|0660, st_rdev=makedev(3, 0), ...}) = 0
getuid()                                = 0
socket(PF_FILE, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 4
connect(4, {sa_family=AF_FILE, path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory)
close(4)                                = 0
socket(PF_FILE, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 4
connect(4, {sa_family=AF_FILE, path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory)
close(4)                                = 0
brk(0)                                  = 0x1d04000
brk(0x1d25000)                          = 0x1d25000
open("/etc/nsswitch.conf", O_RDONLY)    = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=475, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe6784cf000
read(4, "# /etc/nsswitch.conf\n#\n# Example"..., 4096) = 475
read(4, "", 4096)                       = 0
close(4)                                = 0
munmap(0x7fe6784cf000, 4096)            = 0
open("/etc/ld.so.cache", O_RDONLY)      = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=15432, ...}) = 0
mmap(NULL, 15432, PROT_READ, MAP_PRIVATE, 4, 0) = 0x7fe6784cc000
close(4)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libnss_compat.so.2", O_RDONLY) = 4
read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`\22\0\0\0\0\0\0"..., 832) = 832
fstat(4, {st_mode=S_IFREG|0644, st_size=31584, ...}) = 0
mmap(NULL, 2127048, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x7fe677b1e000
mprotect(0x7fe677b25000, 2093056, PROT_NONE) = 0
mmap(0x7fe677d24000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x6000) = 0x7fe677d24000
close(4)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libnsl.so.1", O_RDONLY) = 4
read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0 @\0\0\0\0\0\0"..., 832) = 832
fstat(4, {st_mode=S_IFREG|0644, st_size=89056, ...}) = 0
mmap(NULL, 2194128, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x7fe677906000
mprotect(0x7fe67791b000, 2093056, PROT_NONE) = 0
mmap(0x7fe677b1a000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x14000) = 0x7fe677b1a000
mmap(0x7fe677b1c000, 6864, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fe677b1c000
close(4)                                = 0
mprotect(0x7fe677b1a000, 4096, PROT_READ) = 0
mprotect(0x7fe677d24000, 4096, PROT_READ) = 0
munmap(0x7fe6784cc000, 15432)           = 0
open("/etc/ld.so.cache", O_RDONLY)      = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=15432, ...}) = 0
mmap(NULL, 15432, PROT_READ, MAP_PRIVATE, 4, 0) = 0x7fe6784cc000
close(4)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libnss_nis.so.2", O_RDONLY) = 4
read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0  \0\0\0\0\0\0"..., 832) = 832
fstat(4, {st_mode=S_IFREG|0644, st_size=43552, ...}) = 0
mmap(NULL, 2139320, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x7fe6776fb000
mprotect(0x7fe677705000, 2093056, PROT_NONE) = 0
mmap(0x7fe677904000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x9000) = 0x7fe677904000
close(4)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libnss_files.so.2", O_RDONLY) = 4
read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\200!\0\0\0\0\0\0"..., 832) = 832
fstat(4, {st_mode=S_IFREG|0644, st_size=47616, ...}) = 0
mmap(NULL, 2143624, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x7fe6774ef000
mprotect(0x7fe6774fa000, 2093056, PROT_NONE) = 0
mmap(0x7fe6776f9000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0xa000) = 0x7fe6776f9000
close(4)                                = 0
mprotect(0x7fe6776f9000, 4096, PROT_READ) = 0
mprotect(0x7fe677904000, 4096, PROT_READ) = 0
munmap(0x7fe6784cc000, 15432)           = 0
open("/etc/group", O_RDONLY|O_CLOEXEC)  = 4
lseek(4, 0, SEEK_CUR)                   = 0
fstat(4, {st_mode=S_IFREG|0644, st_size=578, ...}) = 0
mmap(NULL, 578, PROT_READ, MAP_SHARED, 4, 0) = 0x7fe6784cf000
lseek(4, 578, SEEK_SET)                 = 578
munmap(0x7fe6784cf000, 578)             = 0
close(4)                                = 0
chown("/dev/ttyp0", 0, 5)               = 0
chmod("/dev/ttyp0", 0620)               = 0
ioctl(3, TIOCSPTLCK, [0])               = 0
ioctl(3, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(3, TIOCGPTN, [0])                 = -1 EINVAL (Invalid argument)
fstat(3, {st_mode=S_IFCHR|S_ISVTX|0666, st_rdev=makedev(2, 0), ...}) = 0
stat("/dev/ttyp0", {st_mode=S_IFCHR|0620, st_rdev=makedev(3, 0), ...}) = 0
open("/dev/ttyp0", O_RDWR|O_NOCTTY)     = 4
fstat(1, {st_mode=S_IFCHR|0600, st_rdev=makedev(5, 1), ...}) = 0
ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B9600 opost isig icanon echo ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe6784cf000
write(1, "got 3 4\n", 8)                = 8
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigaction(SIGCHLD, NULL, {SIG_DFL, [], 0}, 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
nanosleep({100, 0}, 0x7fffa8389270)     = 0
exit_group(0)                           = ?