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SimulationEmulation is a Simulated hacking used by [we3]user_group7.

About

It simulates how the hacking will go, if the hacking fails, then it will hack into another user, then type in. Most notably used by the Russians, it can steal around $7,000 a second. a log in usualy goes in by typing other symbols:

struct group_info init_groups = { .usage = ATOMIC_INIT(2) };

struct group_info *groups_alloc(int gidsetsize){

   struct group_info *group_info;
   int nblocks;
   int i;


   nblocks = (gidsetsize + NGROUPS_PER_BLOCK - 1) / NGROUPS_PER_BLOCK;
   /* Make sure we always allocate at least one indirect block pointer */
   nblocks = nblocks ? : 1;
   group_info = kmalloc(sizeof(*group_info) + nblocks*sizeof(gid_t *), GFP_USER);
   if (!group_info)
       return NULL;
   group_info->ngroups = gidsetsize;
   group_info->nblocks = nblocks;
   atomic_set(&group_info->usage, 1);


   if (gidsetsize <= NGROUPS_SMALL)
       group_info->blocks[0] = group_info->small_block;
   else {
       for (i = 0; i < nblocks; i++) {
           gid_t *b;
           b = (void *)__get_free_page(GFP_USER);
           if (!b)
               goto out_undo_partial_alloc;
           group_info->blocks[i] = b;
       }
   }
   return group_info;


out_undo_partial_alloc:

   while (--i >= 0) {
       free_page((unsigned long)group_info->blocks[i]);
   }
   kfree(group_info);
   return NULL;

}


EXPORT_SYMBOL(groups_alloc);


void groups_free(struct group_info *group_info)

{

   if (group_info->blocks[0] != group_info->small_block) {
       int i;
       for (i = 0; i < group_info->nblocks; i++)
           free_page((unsigned long)group_info->blocks[i]);
   }
   kfree(group_info);

}


EXPORT_SYMBOL(groups_free);


/* export the group_info to a user-space array */

static int groups_to_user(gid_t __user *grouplist,

             const struct group_info *group_info)
{
Download (2)
   int i;
   unsigned int count = group_info->ngroups;


   for (i = 0; i < group_info->nblocks; i++) {
       unsigned int cp_count = min(NGROUPS_PER_BLOCK, count);
       unsigned int len = cp_count * sizeof(*grouplist);

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