diff options
| -rw-r--r-- | fs/exec.c | 5 | ||||
| -rw-r--r-- | mm/mmap.c | 16 |
2 files changed, 17 insertions, 4 deletions
diff --git a/fs/exec.c b/fs/exec.c index fc30de0d1215..12e7ad2491b2 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -257,6 +257,11 @@ static int __bprm_mm_init(struct linux_binprm *bprm) vma->vm_flags = VM_STACK_FLAGS; vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); + + err = security_file_mmap(NULL, 0, 0, 0, vma->vm_start, 1); + if (err) + goto err; + err = insert_vm_struct(mm, vma); if (err) { up_write(&mm->mmap_sem); diff --git a/mm/mmap.c b/mm/mmap.c index 17d640d33df8..707ce0f74e6e 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2253,6 +2253,7 @@ int install_special_mapping(struct mm_struct *mm, unsigned long addr, unsigned long len, unsigned long vm_flags, struct page **pages) { + int ret; struct vm_area_struct *vma; vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); @@ -2269,14 +2270,21 @@ int install_special_mapping(struct mm_struct *mm, vma->vm_ops = &special_mapping_vmops; vma->vm_private_data = pages; - if (unlikely(insert_vm_struct(mm, vma))) { - kmem_cache_free(vm_area_cachep, vma); - return -ENOMEM; - } + ret = security_file_mmap(NULL, 0, 0, 0, vma->vm_start, 1); + if (ret) + goto out; + + ret = insert_vm_struct(mm, vma); + if (ret) + goto out; mm->total_vm += len >> PAGE_SHIFT; return 0; + +out: + kmem_cache_free(vm_area_cachep, vma); + return ret; } static DEFINE_MUTEX(mm_all_locks_mutex); |