1 files changed, 18 insertions, 5 deletions

diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c
index bddbd22706ed..9d6a3f210148 100644
--- a/arch/ia64/ia32/sys_ia32.c
+++ b/arch/ia64/ia32/sys_ia32.c
@@ -125,6 +125,7 @@ sys32_execve (char __user *name, compat_uptr_t __user *argv, compat_uptr_t __use
 
 int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf)
 {
+        compat_ino_t ino;
         int err;
 
         if ((u64) stat->size > MAX_NON_LFS ||
@@ -132,11 +133,15 @@ int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf)
             !old_valid_dev(stat->rdev))
                 return -EOVERFLOW;
 
+        ino = stat->ino;
+        if (sizeof(ino) < sizeof(stat->ino) && ino != stat->ino)
+                return -EOVERFLOW;
+
         if (clear_user(ubuf, sizeof(*ubuf)))
                 return -EFAULT;
 
         err  = __put_user(old_encode_dev(stat->dev), &ubuf->st_dev);
-        err |= __put_user(stat->ino, &ubuf->st_ino);
+        err |= __put_user(ino, &ubuf->st_ino);
         err |= __put_user(stat->mode, &ubuf->st_mode);
         err |= __put_user(stat->nlink, &ubuf->st_nlink);
         err |= __put_user(high2lowuid(stat->uid), &ubuf->st_uid);
@@ -1222,16 +1227,20 @@ struct readdir32_callback {
 };
 
 static int
-filldir32 (void *__buf, const char *name, int namlen, loff_t offset, ino_t ino,
+filldir32 (void *__buf, const char *name, int namlen, loff_t offset, u64 ino,
            unsigned int d_type)
 {
         struct compat_dirent __user * dirent;
         struct getdents32_callback * buf = (struct getdents32_callback *) __buf;
         int reclen = ROUND_UP(offsetof(struct compat_dirent, d_name) + 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;
         buf->error = -EFAULT;   /* only used if we fail.. */
         dirent = buf->previous;
         if (dirent)
@@ -1239,7 +1248,7 @@ filldir32 (void *__buf, const char *name, int namlen, loff_t offset, ino_t ino,
                         return -EFAULT;
         dirent = buf->current_dir;
         buf->previous = dirent;
-        if (put_user(ino, &dirent->d_ino)
+        if (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))
@@ -1287,17 +1296,21 @@ out:
 }
 
 static int
-fillonedir32 (void * __buf, const char * name, int namlen, loff_t offset, ino_t ino,
+fillonedir32 (void * __buf, const char * name, int namlen, loff_t offset, u64 ino,
               unsigned int d_type)
 {
         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;
-        if (put_user(ino, &dirent->d_ino)
+        if (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)