Thanks to you for the patchset :)
No, it does not appear (looked for "missing NETLINK_CB proto").
I will look forward if I find more clues for this warning.
In the meantime was able to enter the container with the ugly following
program:
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <syscall.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/param.h>
#define __NR_setns 300
int setns(int nstype, int fd)
{
return syscall (__NR_setns, nstype, fd);
}
int main(int argc, char *argv[])
{
char path[MAXPATHLEN];
char *ns[] = { "pid", "mnt", "net", "pid", "uts" };
const int size = sizeof(ns) / sizeof(char *);
int fd[size];
int i;
if (argc != 3) {
fprintf(stderr, "mynsenter <pid> <command>\n");
exit(1);
}
for (i = 0; i < size; i++) {
sprintf(path, "/proc/%s/ns/%s", argv[1], ns[i]);
fd[i] = open(path, O_RDONLY);
if (fd[i] < 0) {
perror("open");
return -1;
}
}
for (i = 0; i < size; i++) {
if (setns(0, fd[i])) {
perror("setns");
return -1;
}
}
execve(argv[2], &argv[2], NULL);
perror("execve");
return 0;
}
At the fist glance, no problem :)
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