==127213== Memcheck, a memory error detector
==127213== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==127213== Using Valgrind-3.15.0 and LibVEX; rerun with -h for copyright info
==127213== Command: ./segmentation_fault.null
==127213== 
==127213== Invalid read of size 1
==127213==    at 0x4006C2: print_string (segmentation_fault.null.c:11)
==127213==    by 0x40070D: main (segmentation_fault.null.c:20)
==127213==  Address 0x0 is not stack'd, malloc'd or (recently) free'd
==127213== 
==127213== 
==127213== Process terminating with default action of signal 11 (SIGSEGV)
==127213==  Access not within mapped region at address 0x0
==127213==    at 0x4006C2: print_string (segmentation_fault.null.c:11)
==127213==    by 0x40070D: main (segmentation_fault.null.c:20)
==127213==  If you believe this happened as a result of a stack
==127213==  overflow in your program's main thread (unlikely but
==127213==  possible), you can try to increase the size of the
==127213==  main thread stack using the --main-stacksize= flag.
==127213==  The main thread stack size used in this run was 8388608.
==127213== 
==127213== HEAP SUMMARY:
==127213==     in use at exit: 0 bytes in 0 blocks
==127213==   total heap usage: 1 allocs, 1 frees, 4 bytes allocated
==127213== 
==127213== All heap blocks were freed -- no leaks are possible
==127213== 
==127213== For lists of detected and suppressed errors, rerun with: -s
==127213== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)
./_make_valgrind_txt.sh: line 3: 127213 Segmentation fault      (core dumped) valgrind --leak-check=full --track-origins=yes "${@}"