1 files changed, 16 insertions, 3 deletions

diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c
index b74869803081..e3b30bc36453 100644
--- a/arch/parisc/kernel/sys_parisc32.c
+++ b/arch/parisc/kernel/sys_parisc32.c
@@ -237,14 +237,19 @@ int sys32_settimeofday(struct compat_timeval __user *tv, struct timezone __user
 
 int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf)
 {
+        compat_ino_t ino;
         int err;
 
         if (stat->size > MAX_NON_LFS || !new_valid_dev(stat->dev) ||
             !new_valid_dev(stat->rdev))
                 return -EOVERFLOW;
 
+        ino = stat->ino;
+        if (sizeof(ino) < sizeof(stat->ino) && ino != stat->ino)
+                return -EOVERFLOW;
+
         err  = put_user(new_encode_dev(stat->dev), &statbuf->st_dev);
-        err |= put_user(stat->ino, &statbuf->st_ino);
+        err |= put_user(ino, &statbuf->st_ino);
         err |= put_user(stat->mode, &statbuf->st_mode);
         err |= put_user(stat->nlink, &statbuf->st_nlink);
         err |= put_user(0, &statbuf->st_reserved1);
@@ -312,16 +317,20 @@ filldir32 (void *__buf, const char *name, int namlen, loff_t offset, ino_t ino,
         struct linux32_dirent __user * dirent;
         struct getdents32_callback * buf = (struct getdents32_callback *) __buf;
         int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 1, 4);
+        u32 d_ino;
 
         buf->error = -EINVAL;   /* only used if we fail.. */
         if (reclen > buf->count)
                 return -EINVAL;
+        d_ino = ino;
+        if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
+                return -EOVERFLOW;
         dirent = buf->previous;
         if (dirent)
                 put_user(offset, &dirent->d_off);
         dirent = buf->current_dir;
         buf->previous = dirent;
-        put_user(ino, &dirent->d_ino);
+        put_user(d_ino, &dirent->d_ino);
         put_user(reclen, &dirent->d_reclen);
         copy_to_user(dirent->d_name, name, namlen);
         put_user(0, dirent->d_name + namlen);
@@ -371,12 +380,16 @@ fillonedir32 (void * __buf, const char * name, int namlen, loff_t offset, ino_t
 {
         struct readdir32_callback * buf = (struct readdir32_callback *) __buf;
         struct old_linux32_dirent __user * dirent;
+        u32 d_ino;
 
         if (buf->count)
                 return -EINVAL;
+        d_ino = ino;
+        if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
+                return -EOVERFLOW;
         buf->count++;
         dirent = buf->dirent;
-        put_user(ino, &dirent->d_ino);
+        put_user(d_ino, &dirent->d_ino);
         put_user(offset, &dirent->d_offset);
         put_user(namlen, &dirent->d_namlen);
         copy_to_user(dirent->d_name, name, namlen);