
Invalid read of size 1
   at 0x........: test_begin (brk.c:19)
   by 0x........: main (brk.c:78)
 Address 0x........ is 0 bytes after the brk data segment limit 0x........

Invalid read of size 1
   at 0x........: test_begin (brk.c:32)
   by 0x........: main (brk.c:78)
 Address 0x........ is 0 bytes after the brk data segment limit 0x........

brk segment overflow in thread #1: can not grow to 0x........
(See section Limitations in the user manual.)
NOTE: further instances of this message will not be shown.

HEAP SUMMARY:
    in use at exit: 0 bytes in 0 blocks
  total heap usage: 0 allocs, 0 frees, 0 bytes allocated

For a detailed leak analysis, rerun with: --leak-check=full

For counts of detected and suppressed errors, rerun with: -v
ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 0 from 0)