int cp_compat_stat(struct kstat *kbuf, struct compat_stat __user *ubuf)
{
+ compat_ino_t ino;
+
typeof(ubuf->st_uid) uid = 0;
typeof(ubuf->st_gid) gid = 0;
SET_UID(uid, kbuf->uid);
return -EOVERFLOW;
if (kbuf->size >= 0x7fffffff)
return -EOVERFLOW;
+ ino = kbuf->ino;
+ if (sizeof(ino) < sizeof(kbuf->ino) && ino != kbuf->ino)
+ return -EOVERFLOW;
if (!access_ok(VERIFY_WRITE, ubuf, sizeof(struct compat_stat)) ||
__put_user (old_encode_dev(kbuf->dev), &ubuf->st_dev) ||
- __put_user (kbuf->ino, &ubuf->st_ino) ||
+ __put_user (ino, &ubuf->st_ino) ||
__put_user (kbuf->mode, &ubuf->st_mode) ||
__put_user (kbuf->nlink, &ubuf->st_nlink) ||
__put_user (uid, &ubuf->st_uid) ||
return sys_sysfs(option, arg1, arg2);
}
-struct sysinfo32 {
- s32 uptime;
- u32 loads[3];
- u32 totalram;
- u32 freeram;
- u32 sharedram;
- u32 bufferram;
- u32 totalswap;
- u32 freeswap;
- unsigned short procs;
- unsigned short pad;
- u32 totalhigh;
- u32 freehigh;
- u32 mem_unit;
- char _f[20-2*sizeof(u32)-sizeof(int)];
-};
-
-asmlinkage long
-sys32_sysinfo(struct sysinfo32 __user *info)
-{
- struct sysinfo s;
- int ret;
- mm_segment_t old_fs = get_fs ();
- int bitcount = 0;
-
- set_fs (KERNEL_DS);
- ret = sys_sysinfo((struct sysinfo __user *)&s);
- set_fs (old_fs);
-
- /* Check to see if any memory value is too large for 32-bit and scale
- * down if needed
- */
- if ((s.totalram >> 32) || (s.totalswap >> 32)) {
- while (s.mem_unit < PAGE_SIZE) {
- s.mem_unit <<= 1;
- bitcount++;
- }
- s.totalram >>= bitcount;
- s.freeram >>= bitcount;
- s.sharedram >>= bitcount;
- s.bufferram >>= bitcount;
- s.totalswap >>= bitcount;
- s.freeswap >>= bitcount;
- s.totalhigh >>= bitcount;
- s.freehigh >>= bitcount;
- }
-
- if (!access_ok(VERIFY_WRITE, info, sizeof(struct sysinfo32)) ||
- __put_user (s.uptime, &info->uptime) ||
- __put_user (s.loads[0], &info->loads[0]) ||
- __put_user (s.loads[1], &info->loads[1]) ||
- __put_user (s.loads[2], &info->loads[2]) ||
- __put_user (s.totalram, &info->totalram) ||
- __put_user (s.freeram, &info->freeram) ||
- __put_user (s.sharedram, &info->sharedram) ||
- __put_user (s.bufferram, &info->bufferram) ||
- __put_user (s.totalswap, &info->totalswap) ||
- __put_user (s.freeswap, &info->freeswap) ||
- __put_user (s.procs, &info->procs) ||
- __put_user (s.totalhigh, &info->totalhigh) ||
- __put_user (s.freehigh, &info->freehigh) ||
- __put_user (s.mem_unit, &info->mem_unit))
- return -EFAULT;
- return 0;
-}
-
asmlinkage long
sys32_sched_rr_get_interval(compat_pid_t pid, struct compat_timespec __user *interval)
{