Syscall param pwritev(vector) points to unaddressable byte(s)
   ...
   by 0x........: main (sys-preadv_pwritev.c:52)
 Address 0x........ is not stack'd, malloc'd or (recently) free'd

Syscall param pwritev(vector) points to unaddressable byte(s)
   ...
   by 0x........: main (sys-preadv_pwritev.c:53)
 Address 0x........ is not stack'd, malloc'd or (recently) free'd

Syscall param pwritev(vector) points to uninitialised byte(s)
   ...
   by 0x........: main (sys-preadv_pwritev.c:54)
 Address 0x........ is 0 bytes inside a block of size 16 alloc'd
   at 0x........: malloc (vg_replace_malloc.c:...)
   by 0x........: main (sys-preadv_pwritev.c:48)

Syscall param pwritev(count) contains uninitialised byte(s)
   ...
   by 0x........: main (sys-preadv_pwritev.c:56)

Syscall param preadv(vector) points to unaddressable byte(s)
   ...
   by 0x........: main (sys-preadv_pwritev.c:60)
 Address 0x........ is not stack'd, malloc'd or (recently) free'd

Syscall param preadv(vector) points to unaddressable byte(s)
   ...
   by 0x........: main (sys-preadv_pwritev.c:61)
 Address 0x........ is not stack'd, malloc'd or (recently) free'd

Syscall param preadv(vector) points to uninitialised byte(s)
   ...
   by 0x........: main (sys-preadv_pwritev.c:62)
 Address 0x........ is 0 bytes inside a block of size 16 alloc'd
   at 0x........: malloc (vg_replace_malloc.c:...)
   by 0x........: main (sys-preadv_pwritev.c:48)

Syscall param preadv(count) contains uninitialised byte(s)
   ...
   by 0x........: main (sys-preadv_pwritev.c:64)

Syscall param pwritev(vector[1]) points to unaddressable byte(s)
   ...
   by 0x........: main (sys-preadv_pwritev.c:69)
 Address 0x........ is not stack'd, malloc'd or (recently) free'd

Syscall param preadv(vector[1]) points to unaddressable byte(s)
   ...
   by 0x........: main (sys-preadv_pwritev.c:70)
 Address 0x........ is not stack'd, malloc'd or (recently) free'd