The patch titled
Fix potential OOPs in blkdev_open()
has been added to the -mm tree. Its filename is
fix-potential-oops-in-blkdev_open.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Fix potential OOPs in blkdev_open()
From: Pavel Emelianov <xemul@xxxxxxxxxx>
blkdev_open() calls bc_acquire() to get a struct block_device. Since
bc_acquire() may return NULL when system is out of memory an appropriate
check is required.
Signed-off-by: Pavel Emelianov <xemul@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
fs/block_dev.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN fs/block_dev.c~fix-potential-oops-in-blkdev_open fs/block_dev.c
--- a/fs/block_dev.c~fix-potential-oops-in-blkdev_open
+++ a/fs/block_dev.c
@@ -1018,6 +1018,8 @@ static int blkdev_open(struct inode * in
filp->f_flags |= O_LARGEFILE;
bdev = bd_acquire(inode);
+ if (bdev == NULL)
+ return -ENOMEM;
res = do_open(bdev, filp, 0);
if (res)
_
Patches currently in -mm which might be from xemul@xxxxxxxxxx are
fix-potential-oops-in-blkdev_open.patch
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