1Syscall param poll(ufds.fd) points to uninitialised byte(s)
2   ...
3   by 0x........: main (badpoll.c:22)
4 Address 0x........ is 8 bytes inside a block of size 15 alloc'd
5   at 0x........: malloc (vg_replace_malloc.c:...)
6   by 0x........: main (badpoll.c:12)
7
8Syscall param poll(ufds.revents) points to unaddressable byte(s)
9   ...
10   by 0x........: main (badpoll.c:22)
11 Address 0x........ is 0 bytes after a block of size 15 alloc'd
12   at 0x........: malloc (vg_replace_malloc.c:...)
13   by 0x........: main (badpoll.c:12)
14
15