diff options
Diffstat (limited to 'vm/vm_user.c')
| -rw-r--r-- | vm/vm_user.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/vm/vm_user.c b/vm/vm_user.c index a8ce982..6fe398e 100644 --- a/vm/vm_user.c +++ b/vm/vm_user.c @@ -342,6 +342,9 @@ kern_return_t vm_map( return(KERN_INVALID_ARGUMENT); } + if (size == 0) + return KERN_INVALID_ARGUMENT; + *address = trunc_page(*address); size = round_page(size); |