1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/*
* SYSCALL_DEFINE4(vmsplice, int, fd, const struct iovec __user *, iov,
unsigned long, nr_segs, unsigned int, flags)
*/
#include <fcntl.h>
#include <sys/uio.h>
#include <stdlib.h>
#include "pipes.h"
#include "random.h"
#include "sanitise.h"
#include "shm.h"
#include "syscall.h"
#include "trinity.h"
static void sanitise_vmsplice(struct syscallrecord *rec)
{
if ((rnd() % 10) > 0)
rec->a1 = get_rand_pipe_fd();
rec->a3 = rnd() % UIO_MAXIOV;
}
static unsigned long vmsplice_flags[] = {
SPLICE_F_MOVE, SPLICE_F_NONBLOCK, SPLICE_F_MORE, SPLICE_F_GIFT,
};
struct syscallentry syscall_vmsplice = {
.name = "vmsplice",
.num_args = 4,
.sanitise = sanitise_vmsplice,
.arg1name = "fd",
.arg1type = ARG_FD,
.arg2name = "iov",
.arg2type = ARG_IOVEC,
.arg3name = "nr_segs",
.arg3type = ARG_IOVECLEN,
.arg4name = "flags",
.arg4type = ARG_LIST,
.arg4list = ARGLIST(vmsplice_flags),
.group = GROUP_VM,
.flags = NEED_ALARM,
};
|
