/var/lib/pcp/testsuite/src/crashpmcd.c is in pcp-testsuite 3.10.8build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | /*
* Crashes pmcd on IRIX. Linux seems to be OK. PV 935490.
*/
#include <pcp/pmapi.h>
#include <pcp/impl.h>
static __pmPDUHdr hdr;
static char *target;
void
try(int len)
{
int fd;
int sts;
static int first = 1;
static struct sockaddr_in myAddr;
static struct hostent* servInfo;
char buf[256];
if (first) {
first = 0;
if ((servInfo = gethostbyname(target)) == NULL) {
fprintf(stderr, "host \"%s\" unknown\n", target);
exit(1);
}
memset(&myAddr, 0, sizeof(myAddr));
myAddr.sin_family = AF_INET;
memcpy(&myAddr.sin_addr, servInfo->h_addr, servInfo->h_length);
myAddr.sin_port = htons(SERVER_PORT);
}
if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
fprintf(stderr, "socket failed: %s\n", pmErrStr(errno));
return;
}
if ((sts = connect(fd, (struct sockaddr*) &myAddr, sizeof(myAddr))) < 0) {
fprintf(stderr, "connect failed: %s\n", pmErrStr(sts));
close(fd);
return;
}
if ((sts = write(fd, &hdr, len)) != len) {
fprintf(stderr, "write failed: %s\n", pmErrStr(sts));
close(fd);
return;
}
sts = read(fd, buf, sizeof(buf));
if (sts < 0) {
/* in this case don't really care about the return code from read() */
;
}
close(fd);
}
int
main(int argc, char *argv[])
{
int j;
int k;
__pmSetProgname(argv[0]);
target = argc == 2 ? argv[1] : "localhost";
hdr.from = htonl(12345);
for (k = -1; k <= 12; k++) {
hdr.len = htonl(k);
hdr.type = htonl(0x55aa0000);
for (j = 0; j <= 12; j++) {
try(j);
}
}
for (k = 0; k <= 12; k++) {
hdr.len = htonl(k<<24);
hdr.type = htonl(0x000055aa);
for (j = 0; j <= 12; j++) {
try(j);
}
}
return 0;
}
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