goruby, 4 bytes

Result

INVALID

Duration

1538ms

Code [DL]

`dd`

stdin

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           K                                      

stdout

stderr

<internal:golf_prelude>:4: warning: redefining Object#method_missing may cause infinite loop
3+1 records in
3+1 records out

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7fffd43a7f30 /* 9 vars */) = 0
12    execve("/root/goruby", ["/root/goruby", "/volume/CODE"], 0x55eda6327d40 /* 9 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x55eda6327d30 /* 9 vars */) = 0
11    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
13    execve("/bin/dd", ["dd"], 0x55be2f808d00 /* 9 vars */) = 0
13    +++ exited with 0 +++
12    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
12    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=8, si_stime=6} ---
10    +++ exited with 0 +++