Below is the source code of the ia32 program mentioned in the bug
report. It is supposed to be SUID root.
#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
const char my_chroot[] = "/var/chroot/sid-ia32";
int
main(const int argc, char *argv[])
{
int r;
r = chroot(my_chroot);
/* Do not need to be root any more. */
setuid(getuid());
if(r < 0)
{
fprintf(stderr, "%s: Failed to chroot to: `%s'\n", strerror(errno),
my_chroot);
return 1;
}
if(argc <= 1)
{
char *cmd[2];
cmd[0] = "/bin/bash";
cmd[1] = NULL;
execvp(cmd[0], cmd);
fprintf(stderr, "%s: Failed to execute command '%s'.\n", strerror(errno),
cmd[0]);
}
else
{
execvp(argv[1], argv + 1);
fprintf(stderr, "%s: Failed to execute command '%s'.\n", strerror(errno),
argv[1]);
}
return 1;
}
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