Commit b3885bd6 authored Sep 26, 2017 by Hirofumi Nakagawa Committed by Miklos Szeredi Oct 19, 2017

ovl: add NULL check in ovl_alloc_inode



This was detected by fault injection test

Signed-off-by: Hirofumi Nakagawa <nklabs@gmail.com>
Fixes: 13cf199d ("ovl: allocate an ovl_inode struct")
Cc: <stable@vger.kernel.org> # v4.13

parent 33d930e5

fs/overlayfs/super.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -174,6 +174,9 @@ static struct inode ovl_alloc_inode(struct super_block sb)
		{
		struct ovl_inode *oi = kmem_cache_alloc(ovl_inode_cachep, GFP_KERNEL);

		if (!oi)
		return NULL;

		oi->cache = NULL;
		oi->redirect = NULL;
		oi->version = 0;