pwd: /out/package
ppid: 4276
   1: WRITELN echo 123 | cat
   2: WRITELN exit

mumsh $ 123
mumsh $ exit

=================================================================
==4277==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 816 byte(s) in 1 object(s) allocated from:
    #0 0x4dcc50  (/out/package/mumsh_memory_check+0x4dcc50)
    #1 0x515498  (/out/package/mumsh_memory_check+0x515498)
    #2 0x7f9d077a4b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

SUMMARY: AddressSanitizer: 816 byte(s) leaked in 1 allocation(s).

mumsh $ 123
mumsh $ exit