execve("./cush", ["./cush"], 0x7ffc9556d7a8 /* 50 vars */) = 0
brk(NULL) = 0x12f9000
arch_prctl(0x3001 /* ARCH_??? */, 0x7ffd7c70c840) = -1 EINVAL (Invalid argument)
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6cb4bfe000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=56575, ...}) = 0
mmap(NULL, 56575, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f6cb4bf0000
close(3) = 0
openat(AT_FDCWD, "/lib64/libreadline.so.7", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\201\1\0\0\0\0\0"..., 832) = 832
lseek(3, 282112, SEEK_SET) = 282112
read(3, "\4\0\0\0\20\0\0\0\5\0\0\0GNU\0\2\0\0\300\4\0\0\0\3\0\0\0\0\0\0\0", 32) = 32
fstat(3, {st_mode=S_IFREG|0755, st_size=338648, ...}) = 0
lseek(3, 282112, SEEK_SET) = 282112
read(3, "\4\0\0\0\20\0\0\0\5\0\0\0GNU\0\2\0\0\300\4\0\0\0\3\0\0\0\0\0\0\0", 32) = 32
mmap(NULL, 2418952, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6cb4784000
mprotect(0x7f6cb47c9000, 2097152, PROT_NONE) = 0
mmap(0x7f6cb49c9000, 36864, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x45000) = 0x7f6cb49c9000
mmap(0x7f6cb49d2000, 2312, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f6cb49d2000
close(3) = 0
openat(AT_FDCWD, "/lib64/libubsan.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0@d\0\0\0\0\0\0"..., 832) = 832
lseek(3, 307936, SEEK_SET) = 307936
read(3, "\4\0\0\0\20\0\0\0\5\0\0\0GNU\0\2\0\0\300\4\0\0\0\3\0\0\0\0\0\0\0", 32) = 32
fstat(3, {st_mode=S_IFREG|0755, st_size=340928, ...}) = 0
lseek(3, 307936, SEEK_SET) = 307936
read(3, "\4\0\0\0\20\0\0\0\5\0\0\0GNU\0\2\0\0\300\4\0\0\0\3\0\0\0\0\0\0\0", 32) = 32
mmap(NULL, 13766984, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6cb3a62000
mprotect(0x7f6cb3aae000, 2093056, PROT_NONE) = 0
mmap(0x7f6cb3cad000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4b000) = 0x7f6cb3cad000
mmap(0x7f6cb3cb2000, 11342152, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f6cb3cb2000
close(3) = 0
openat(AT_FDCWD, "/lib64/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\0\260\255\3\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=3167104, ...}) = 0
lseek(3, 808, SEEK_SET) = 808
read(3, "\4\0\0\0\20\0\0\0\5\0\0\0GNU\0\2\0\0\300\4\0\0\0\3\0\0\0\0\0\0\0", 32) = 32
mmap(NULL, 3950400, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6cb369d000
mprotect(0x7f6cb3859000, 2093056, PROT_NONE) = 0
mmap(0x7f6cb3a58000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1bb000) = 0x7f6cb3a58000
mmap(0x7f6cb3a5e000, 14144, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f6cb3a5e000
close(3) = 0
openat(AT_FDCWD, "/lib64/libtinfo.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P\351\0\0\0\0\0\0"..., 832) = 832
lseek(3, 165752, SEEK_SET) = 165752
read(3, "\4\0\0\0\20\0\0\0\5\0\0\0GNU\0\2\0\0\300\4\0\0\0\3\0\0\0\0\0\0\0", 32) = 32
fstat(3, {st_mode=S_IFREG|0755, st_size=187496, ...}) = 0
lseek(3, 165752, SEEK_SET) = 165752
read(3, "\4\0\0\0\20\0\0\0\5\0\0\0GNU\0\2\0\0\300\4\0\0\0\3\0\0\0\0\0\0\0", 32) = 32
mmap(NULL, 2279808, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6cb3470000
mprotect(0x7f6cb3499000, 2093056, PROT_NONE) = 0
mmap(0x7f6cb3698000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x28000) = 0x7f6cb3698000
close(3) = 0
openat(AT_FDCWD, "/lib64/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300\20\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=28840, ...}) = 0
mmap(NULL, 2109744, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6cb326c000
mprotect(0x7f6cb326f000, 2093056, PROT_NONE) = 0
mmap(0x7f6cb346e000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f6cb346e000
close(3) = 0
openat(AT_FDCWD, "/lib64/librt.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0000$\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=69120, ...}) = 0
mmap(NULL, 2128832, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6cb3064000
mprotect(0x7f6cb306b000, 2093056, PROT_NONE) = 0
mmap(0x7f6cb326a000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7f6cb326a000
close(3) = 0
openat(AT_FDCWD, "/lib64/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240n\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=321536, ...}) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6cb4bee000
mmap(NULL, 2225344, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6cb2e44000
mprotect(0x7f6cb2e5f000, 2093056, PROT_NONE) = 0
mmap(0x7f6cb305e000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1a000) = 0x7f6cb305e000
mmap(0x7f6cb3060000, 13504, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f6cb3060000
close(3) = 0
openat(AT_FDCWD, "/lib64/libstdc++.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\0\220\373\10\0\0\0\0\0"..., 832) = 832
lseek(3, 1594712, SEEK_SET) = 1594712
read(3, "\4\0\0\0\20\0\0\0\5\0\0\0GNU\0\2\0\0\300\4\0\0\0\3\0\0\0\0\0\0\0", 32) = 32
fstat(3, {st_mode=S_IFREG|0755, st_size=1661408, ...}) = 0
lseek(3, 1594712, SEEK_SET) = 1594712
read(3, "\4\0\0\0\20\0\0\0\5\0\0\0GNU\0\2\0\0\300\4\0\0\0\3\0\0\0\0\0\0\0", 32) = 32
mmap(NULL, 3753504, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6cb2aaf000
mprotect(0x7f6cb2c35000, 2093056, PROT_NONE) = 0
mmap(0x7f6cb2e34000, 53248, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x185000) = 0x7f6cb2e34000
mmap(0x7f6cb2e41000, 9760, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f6cb2e41000
close(3) = 0
openat(AT_FDCWD, "/lib64/libm.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\0 \305\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=2191520, ...}) = 0
mmap(NULL, 3674432, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6cb272d000
mprotect(0x7f6cb28ae000, 2093056, PROT_NONE) = 0
mmap(0x7f6cb2aad000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x180000) = 0x7f6cb2aad000
close(3) = 0
openat(AT_FDCWD, "/lib64/libgcc_s.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\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\0"..., 832) = 832
lseek(3, 92624, SEEK_SET) = 92624
read(3, "\4\0\0\0\20\0\0\0\5\0\0\0GNU\0\2\0\0\300\4\0\0\0\3\0\0\0\0\0\0\0", 32) = 32
fstat(3, {st_mode=S_IFREG|0755, st_size=99672, ...}) = 0
lseek(3, 92624, SEEK_SET) = 92624
read(3, "\4\0\0\0\20\0\0\0\5\0\0\0GNU\0\2\0\0\300\4\0\0\0\3\0\0\0\0\0\0\0", 32) = 32
mmap(NULL, 2192080, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6cb2515000
mprotect(0x7f6cb252c000, 2093056, PROT_NONE) = 0
mmap(0x7f6cb272b000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16000) = 0x7f6cb272b000
close(3) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6cb4bec000
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6cb4bea000
arch_prctl(ARCH_SET_FS, 0x7f6cb4bed680) = 0
mprotect(0x7f6cb3a58000, 16384, PROT_READ) = 0
mprotect(0x7f6cb272b000, 4096, PROT_READ) = 0
mprotect(0x7f6cb2aad000, 4096, PROT_READ) = 0
mprotect(0x7f6cb2e34000, 49152, PROT_READ) = 0
mprotect(0x7f6cb305e000, 4096, PROT_READ) = 0
mprotect(0x7f6cb326a000, 4096, PROT_READ) = 0
mprotect(0x7f6cb346e000, 4096, PROT_READ) = 0
mprotect(0x7f6cb3698000, 16384, PROT_READ) = 0
mprotect(0x7f6cb3cad000, 8192, PROT_READ) = 0
mprotect(0x7f6cb49c9000, 12288, PROT_READ) = 0
mprotect(0x614000, 4096, PROT_READ) = 0
mprotect(0x7f6cb4c00000, 4096, PROT_READ) = 0
munmap(0x7f6cb4bf0000, 56575) = 0
set_tid_address(0x7f6cb4bed950) = 503559
set_robust_list(0x7f6cb4bed960, 24) = 0
rt_sigaction(SIGRTMIN, {sa_handler=0x7f6cb2e4a920, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f6cb2e56c20}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f6cb2e4a9b0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6cb2e56c20}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
brk(NULL) = 0x12f9000
brk(0x131a000) = 0x131a000
rt_sigaction(SIGTTOU, {sa_handler=SIG_IGN, sa_mask=[TTOU], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7f6cb36ebad0}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
openat(AT_FDCWD, "/dev/tty", O_RDWR) = 3
fcntl(3, F_GETFD) = 0
fcntl(3, F_SETFD, FD_CLOEXEC) = 0
getpgrp() = 503556
ioctl(3, TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(0, TCGETS, {B38400 opost isig icanon echo ...}) = 0
rt_sigaction(SIGCHLD, {sa_handler=0x402e30, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6cb36ebad0}, NULL, 8) = 0
getpid() = 503559
ioctl(0, TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(1, TCGETS, {B38400 opost isig icanon echo ...}) = 0
stat("/home/ugrads/nonmajors/jordanha23/.terminfo", 0x130ca60) = -1 ENOENT (No such file or directory)
stat("/etc/terminfo", {st_mode=S_IFDIR|0755, st_size=6, ...}) = 0
stat("/usr/share/terminfo", {st_mode=S_IFDIR|0755, st_size=195, ...}) = 0
access("/etc/terminfo/x/xterm-256color", R_OK) = -1 ENOENT (No such file or directory)
access("/usr/share/terminfo/x/xterm-256color", R_OK) = 0
openat(AT_FDCWD, "/usr/share/terminfo/x/xterm-256color", O_RDONLY) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=3713, ...}) = 0
read(4, "\36\2%\0&\0\17\0\235\1\2\6xterm-256color|xterm"..., 32768) = 3713
read(4, "", 28672) = 0
close(4) = 0
ioctl(1, TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(1, TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(1, TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(1, TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(1, TIOCGWINSZ, {ws_row=12, ws_col=157, ws_xpixel=0, ws_ypixel=0}) = 0
ioctl(0, TIOCGWINSZ, {ws_row=12, ws_col=157, ws_xpixel=0, ws_ypixel=0}) = 0
brk(NULL) = 0x131a000
brk(0x133b000) = 0x133b000
ioctl(0, TIOCGWINSZ, {ws_row=12, ws_col=157, ws_xpixel=0, ws_ypixel=0}) = 0
ioctl(0, TIOCSWINSZ, {ws_row=12, ws_col=157, ws_xpixel=0, ws_ypixel=0}) = 0
ioctl(0, TCGETS, {B38400 opost isig icanon echo ...}) = 0
openat(AT_FDCWD, "/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale/locale.alias", O_RDONLY|O_CLOEXEC) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=2997, ...}) = 0
read(4, "# Locale name alias data base.\n#"..., 4096) = 2997
read(4, "", 4096) = 0
close(4) = 0
openat(AT_FDCWD, "/usr/lib/locale/en_US.UTF-8/LC_CTYPE", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib/locale/en_US.utf8/LC_CTYPE", O_RDONLY|O_CLOEXEC) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=337024, ...}) = 0
mmap(NULL, 337024, PROT_READ, MAP_PRIVATE, 4, 0) = 0x7f6cb4b97000
close(4) = 0
openat(AT_FDCWD, "/usr/lib64/gconv/gconv-modules.cache", O_RDONLY) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=26998, ...}) = 0
mmap(NULL, 26998, PROT_READ, MAP_SHARED, 4, 0) = 0x7f6cb4bf7000
close(4) = 0
futex(0x7f6cb3a5d9a8, FUTEX_WAKE_PRIVATE, 2147483647) = 0
stat("/home/ugrads/nonmajors/jordanha23/.inputrc", 0x7ffd7c70c6e0) = -1 ENOENT (No such file or directory)
stat("/etc/inputrc", {st_mode=S_IFREG|0644, st_size=942, ...}) = 0
openat(AT_FDCWD, "/etc/inputrc", O_RDONLY) = 4
read(4, "# do not bell on tab-completion\n"..., 942) = 942
close(4) = 0
ioctl(0, TIOCGWINSZ, {ws_row=12, ws_col=157, ws_xpixel=0, ws_ypixel=0}) = 0
ioctl(0, TIOCSWINSZ, {ws_row=12, ws_col=157, ws_xpixel=0, ws_ypixel=0}) = 0
ioctl(0, TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(0, SNDCTL_TMR_STOP or TCSETSW, {B38400 opost isig -icanon -echo ...}) = 0
rt_sigprocmask(SIG_BLOCK, [HUP INT QUIT ALRM TERM TSTP TTIN TTOU], [], 8) = 0
rt_sigaction(SIGINT, {sa_handler=0x7f6cb47b2510, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGTERM, {sa_handler=0x7f6cb47b2510, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGHUP, {sa_handler=0x7f6cb47b2510, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGQUIT, {sa_handler=0x7f6cb47b2510, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGALRM, {sa_handler=0x7f6cb47b2510, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGTSTP, {sa_handler=0x7f6cb47b2510, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGTTOU, {sa_handler=0x7f6cb47b2510, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, {sa_handler=SIG_IGN, sa_mask=[TTOU], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7f6cb36ebad0}, 8) = 0
rt_sigaction(SIGTTOU, {sa_handler=SIG_IGN, sa_mask=[TTOU], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7f6cb36ebad0}, {sa_handler=0x7f6cb47b2510, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, 8) = 0
rt_sigaction(SIGTTIN, {sa_handler=0x7f6cb47b2510, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigaction(SIGWINCH, {sa_handler=0x7f6cb47b19d0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7f6cb36ebad0}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(0x88, 0x10), ...}) = 0
write(1, "cush> ", 6) = 6
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
pselect6(1, [0], NULL, NULL, NULL, {sigmask=[], sigsetsize=8}) = 1 (in [0])
read(0, "s", 1) = 1
select(1, [0], NULL, [0], {tv_sec=0, tv_usec=0}) = 0 (Timeout)
write(1, "s", 1) = 1
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
pselect6(1, [0], NULL, NULL, NULL, {sigmask=[], sigsetsize=8}) = 1 (in [0])
read(0, "l", 1) = 1
select(1, [0], NULL, [0], {tv_sec=0, tv_usec=0}) = 0 (Timeout)
write(1, "l", 1) = 1
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
pselect6(1, [0], NULL, NULL, NULL, {sigmask=[], sigsetsize=8}) = 1 (in [0])
read(0, "e", 1) = 1
select(1, [0], NULL, [0], {tv_sec=0, tv_usec=0}) = 0 (Timeout)
write(1, "e", 1) = 1
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
pselect6(1, [0], NULL, NULL, NULL, {sigmask=[], sigsetsize=8}) = 1 (in [0])
read(0, "e", 1) = 1
select(1, [0], NULL, [0], {tv_sec=0, tv_usec=0}) = 0 (Timeout)
write(1, "e", 1) = 1
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
pselect6(1, [0], NULL, NULL, NULL, {sigmask=[], sigsetsize=8}) = 1 (in [0])
read(0, "p", 1) = 1
select(1, [0], NULL, [0], {tv_sec=0, tv_usec=0}) = 0 (Timeout)
write(1, "p", 1) = 1
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
pselect6(1, [0], NULL, NULL, NULL, {sigmask=[], sigsetsize=8}) = 1 (in [0])
read(0, " ", 1) = 1
select(1, [0], NULL, [0], {tv_sec=0, tv_usec=0}) = 0 (Timeout)
write(1, " ", 1) = 1
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
pselect6(1, [0], NULL, NULL, NULL, {sigmask=[], sigsetsize=8}) = 1 (in [0])
read(0, "1", 1) = 1
select(1, [0], NULL, [0], {tv_sec=0, tv_usec=0}) = 0 (Timeout)
write(1, "1", 1) = 1
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
pselect6(1, [0], NULL, NULL, NULL, {sigmask=[], sigsetsize=8}) = 1 (in [0])
read(0, "0", 1) = 1
select(1, [0], NULL, [0], {tv_sec=0, tv_usec=0}) = 0 (Timeout)
write(1, "0", 1) = 1
rt_sigprocmask(SIG_BLOCK, NULL, [], 8) = 0
pselect6(1, [0], NULL, NULL, NULL, {sigmask=[], sigsetsize=8}) = 1 (in [0])
read(0, "\r", 1) = 1
write(1, "\n", 1) = 1
ioctl(0, SNDCTL_TMR_STOP or TCSETSW, {B38400 opost isig icanon echo ...}) = 0
rt_sigaction(SIGINT, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, {sa_handler=0x7f6cb47b2510, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, 8) = 0
rt_sigaction(SIGTERM, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, {sa_handler=0x7f6cb47b2510, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, 8) = 0
rt_sigaction(SIGHUP, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, {sa_handler=0x7f6cb47b2510, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, 8) = 0
rt_sigaction(SIGQUIT, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, {sa_handler=0x7f6cb47b2510, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, 8) = 0
rt_sigaction(SIGALRM, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, {sa_handler=0x7f6cb47b2510, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, 8) = 0
rt_sigaction(SIGTSTP, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, {sa_handler=0x7f6cb47b2510, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, 8) = 0
rt_sigaction(SIGTTIN, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, {sa_handler=0x7f6cb47b2510, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, 8) = 0
rt_sigaction(SIGWINCH, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f6cb36ebad0}, {sa_handler=0x7f6cb47b19d0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7f6cb36ebad0}, 8) = 0
ioctl(0, TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(0, TCGETS, {B38400 opost isig icanon echo ...}) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f6cb4bed950) = 503582
rt_sigprocmask(SIG_BLOCK, [TTOU], [], 8) = 0
ioctl(3, TIOCSPGRP, [1]) = -1 EPERM (Operation not permitted)
write(2, "tcsetpgrp: ", 11) = 11
write(2, "Operation not permitted\n", 24) = 24
exit_group(1) = ?
+++ exited with 1 +++