This is a note to let you know that I've just added the patch titled
ovl: add NULL check in ovl_alloc_inode
to the 4.13-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ovl-add-null-check-in-ovl_alloc_inode.patch
and it can be found in the queue-4.13 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From b3885bd6edb41b91a0e3976469f72ae31bfb8d95 Mon Sep 17 00:00:00 2001
From: Hirofumi Nakagawa <nklabs@xxxxxxxxx>
Date: Tue, 26 Sep 2017 03:09:53 +0900
Subject: ovl: add NULL check in ovl_alloc_inode
From: Hirofumi Nakagawa <nklabs@xxxxxxxxx>
commit b3885bd6edb41b91a0e3976469f72ae31bfb8d95 upstream.
This was detected by fault injection test
Signed-off-by: Hirofumi Nakagawa <nklabs@xxxxxxxxx>
Fixes: 13cf199d0088 ("ovl: allocate an ovl_inode struct")
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/overlayfs/super.c | 3 +++
1 file changed, 3 insertions(+)
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -174,6 +174,9 @@ static struct inode *ovl_alloc_inode(str
{
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;
Patches currently in stable-queue which might be from nklabs@xxxxxxxxx are
queue-4.13/ovl-add-null-check-in-ovl_alloc_inode.patch