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
|
// Test that ASan doesn't raise false alarm when MSG_TRUNC is present.
//
// RUN: %clangxx %s -o %t && %run %t 2>&1
//
// UNSUPPORTED: android
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/ip.h>
#include <assert.h>
int main() {
int fd_0 = socket(AF_INET, SOCK_DGRAM, 0);
int fd_1 = socket(AF_INET, SOCK_DGRAM, 0);
struct sockaddr_in sin;
socklen_t len = sizeof(sin);
char *buf = (char *)malloc(1);
sin.sin_family = AF_INET;
// Choose a random port to bind.
sin.sin_port = 0;
sin.sin_addr.s_addr = INADDR_ANY;
assert(bind(fd_1, (struct sockaddr *)&sin, sizeof(sin)) == 0);
// Get the address and port binded.
assert(getsockname(fd_1, (struct sockaddr *)&sin, &len) == 0);
assert(sendto(fd_0, "hello", strlen("hello"), MSG_DONTWAIT,
(struct sockaddr *)&sin, sizeof(sin)) != -1);
assert(recv(fd_1, buf, 1, MSG_TRUNC) != -1);
free(buf);
return 0;
}
|
