Syscall param pwritev2(vector) points to unaddressable byte(s)
   ...
   by 0x........: main (sys-preadv2_pwritev2.c:53)
 Address 0x........ is not stack'd, malloc'd or (recently) free'd

Syscall param pwritev2(vector) points to unaddressable byte(s)
   ...
   by 0x........: main (sys-preadv2_pwritev2.c:54)
 Address 0x........ is not stack'd, malloc'd or (recently) free'd

Syscall param pwritev2(vector) points to uninitialised byte(s)
   ...
   by 0x........: main (sys-preadv2_pwritev2.c:55)
 Address 0x........ is 0 bytes inside a block of size 16 alloc'd
   at 0x........: malloc (vg_replace_malloc.c:...)
   by 0x........: main (sys-preadv2_pwritev2.c:48)

Syscall param pwritev2(count) contains uninitialised byte(s)
   ...
   by 0x........: main (sys-preadv2_pwritev2.c:57)

Syscall param pwritev2(flags) contains uninitialised byte(s)
   ...
   by 0x........: main (sys-preadv2_pwritev2.c:60)

Syscall param preadv2(vector) points to unaddressable byte(s)
   ...
   by 0x........: main (sys-preadv2_pwritev2.c:62)
 Address 0x........ is not stack'd, malloc'd or (recently) free'd

Syscall param preadv2(vector) points to unaddressable byte(s)
   ...
   by 0x........: main (sys-preadv2_pwritev2.c:63)
 Address 0x........ is not stack'd, malloc'd or (recently) free'd

Syscall param preadv2(vector) points to uninitialised byte(s)
   ...
   by 0x........: main (sys-preadv2_pwritev2.c:64)
 Address 0x........ is 0 bytes inside a block of size 16 alloc'd
   at 0x........: malloc (vg_replace_malloc.c:...)
   by 0x........: main (sys-preadv2_pwritev2.c:48)

Syscall param preadv2(count) contains uninitialised byte(s)
   ...
   by 0x........: main (sys-preadv2_pwritev2.c:66)

Syscall param pwritev2(vector[1]) points to unaddressable byte(s)
   ...
   by 0x........: main (sys-preadv2_pwritev2.c:71)
 Address 0x........ is not stack'd, malloc'd or (recently) free'd

Syscall param preadv2(vector[1]) points to unaddressable byte(s)
   ...
   by 0x........: main (sys-preadv2_pwritev2.c:72)
 Address 0x........ is not stack'd, malloc'd or (recently) free'd