Conditional jump or move depends on uninitialised value(s)
   at 0x........: memalign (vg_replace_malloc.c:...)
   by 0x........: main (memalign_args.c:19)

Conditional jump or move depends on uninitialised value(s)
   at 0x........: posix_memalign (vg_replace_malloc.c:...)
   by 0x........: main (memalign_args.c:23)

Conditional jump or move depends on uninitialised value(s)
   at 0x........: aligned_alloc (vg_replace_malloc.c:...)
   by 0x........: main (memalign_args.c:27)

Conditional jump or move depends on uninitialised value(s)
   at 0x........: valloc (vg_replace_malloc.c:...)
   by 0x........: main (memalign_args.c:31)