The patch titled
md: fix an unsigned compare to allow creation of bitmaps with v1.0 metadata
has been added to the -mm tree. Its filename is
md-fix-an-unsigned-compare-to-allow-creation-of-bitmaps-with-v10-metadata.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: md: fix an unsigned compare to allow creation of bitmaps with v1.0 metadata
From: NeilBrown <neilb@xxxxxxx>
As page->index is unsigned, this all becomes an unsigned comparison, which
almost always returns an error.
Signed-off-by: Neil Brown <neilb@xxxxxxx>
Cc: Stable <stable@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/md/bitmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/md/bitmap.c~md-fix-an-unsigned-compare-to-allow-creation-of-bitmaps-with-v10-metadata drivers/md/bitmap.c
--- a/drivers/md/bitmap.c~md-fix-an-unsigned-compare-to-allow-creation-of-bitmaps-with-v10-metadata
+++ a/drivers/md/bitmap.c
@@ -274,7 +274,7 @@ static int write_sb_page(struct bitmap *
if (bitmap->offset < 0) {
/* DATA BITMAP METADATA */
if (bitmap->offset
- + page->index * (PAGE_SIZE/512)
+ + (long)(page->index * (PAGE_SIZE/512))
+ size/512 > 0)
/* bitmap runs in to metadata */
return -EINVAL;
_
Patches currently in -mm which might be from neilb@xxxxxxx are
origin.patch
exportfs-add-fid-type.patch
exportfs-add-new-methods.patch
ext2-new-export-ops.patch
ext3-new-export-ops.patch
ext4-new-export-ops.patch
efs-new-export-ops.patch
jfs-new-export-ops.patch
ntfs-new-export-ops.patch
xfs-new-export-ops.patch
fat-new-export-ops.patch
isofs-new-export-ops.patch
shmem-new-export-ops.patch
reiserfs-new-export-ops.patch
gfs2-new-export-ops.patch
ocfs2-new-export-ops.patch
exportfs-remove-old-methods.patch
exportfs-make-struct-export_operations-const.patch
exportfs-update-documentation.patch
md-fix-an-unsigned-compare-to-allow-creation-of-bitmaps-with-v10-metadata.patch
md-raid5-fix-clearing-of-biofill-operations.patch
git-md-accel.patch
-
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