2 files changed, 3 insertions, 2 deletions
diff --git a/ipc/shm.c b/ipc/shm.c
index 6b0c9af..1c2faf6 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -162,6 +162,8 @@ static int shm_mmap(struct file * file, struct vm_area_struct * vma)
 	ret = shmem_mmap(file, vma);
 	if (ret == 0) {
 		vma->vm_ops = &shm_vm_ops;
+		if (!(vma->vm_flags & VM_WRITE))
+			vma->vm_flags &= ~VM_MAYWRITE;
 		shm_inc(file->f_dentry->d_inode->i_ino);
 	}
 
diff --git a/ipc/util.c b/ipc/util.c
index 5e785a2..b3dcfad 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -183,8 +183,7 @@ static int grow_ary(struct ipc_ids* ids, int newsize)
 	if(new == NULL)
 		return size;
 	new->size = newsize;
-	memcpy(new->p, ids->entries->p, sizeof(struct kern_ipc_perm *)*size +
-					sizeof(struct ipc_id_ary));
+	memcpy(new->p, ids->entries->p, sizeof(struct kern_ipc_perm *)*size);
 	for(i=size;i<newsize;i++) {
 		new->p[i] = NULL;
 	}