1 files changed, 4 insertions, 0 deletions

diff --git a/mm/memory.c b/mm/memory.c
index e2bb51b6242e..b1dff75640b7 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2196,6 +2196,10 @@ static vm_fault_t do_page_mkwrite(struct vm_fault *vmf)
 
         vmf->flags = FAULT_FLAG_WRITE|FAULT_FLAG_MKWRITE;
 
+        if (vmf->vma->vm_file &&
+            IS_SWAPFILE(vmf->vma->vm_file->f_mapping->host))
+                return VM_FAULT_SIGBUS;
+
         ret = vmf->vma->vm_ops->page_mkwrite(vmf);
         /* Restore original flags so that caller is not surprised */
         vmf->flags = old_flags;