This is a note to let you know that I've just added the patch titled
Btrfs: use right type to get real comparison
to the 3.4-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:
btrfs-use-right-type-to-get-real-comparison.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From cd857dd6bc2ae9ecea14e75a34e8a8fdc158e307 Mon Sep 17 00:00:00 2001
From: Liu Bo <bo.li.liu@xxxxxxxxxx>
Date: Sun, 8 Jun 2014 19:04:13 +0800
Subject: Btrfs: use right type to get real comparison
From: Liu Bo <bo.li.liu@xxxxxxxxxx>
commit cd857dd6bc2ae9ecea14e75a34e8a8fdc158e307 upstream.
We want to make sure the point is still within the extent item, not to verify
the memory it's pointing to.
Signed-off-by: Liu Bo <bo.li.liu@xxxxxxxxxx>
Signed-off-by: Chris Mason <clm@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/btrfs/backref.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -1033,7 +1033,7 @@ static int __get_extent_inline_ref(unsig
*out_eiref = (struct btrfs_extent_inline_ref *)(ei + 1);
}
*ptr = (unsigned long)*out_eiref;
- if ((void *)*ptr >= (void *)ei + item_size)
+ if ((unsigned long)(*ptr) >= (unsigned long)ei + item_size)
return -ENOENT;
}
Patches currently in stable-queue which might be from bo.li.liu@xxxxxxxxxx are
queue-3.4/btrfs-use-right-type-to-get-real-comparison.patch
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