This is a note to let you know that I've just added the patch titled
Btrfs: fix access_ok() check in btrfs_ioctl_send()
to the 3.12-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-fix-access_ok-check-in-btrfs_ioctl_send.patch
and it can be found in the queue-3.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 700ff4f095d78af0998953e922e041d75254518b Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Thu, 10 Jan 2013 03:57:25 -0500
Subject: Btrfs: fix access_ok() check in btrfs_ioctl_send()
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
commit 700ff4f095d78af0998953e922e041d75254518b upstream.
The closing parenthesis is in the wrong place. We want to check
"sizeof(*arg->clone_sources) * arg->clone_sources_count" instead of
"sizeof(*arg->clone_sources * arg->clone_sources_count)".
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Reviewed-by: Jie Liu <jeff.liu@xxxxxxxxxx>
Signed-off-by: Chris Mason <clm@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/btrfs/send.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -4756,8 +4756,8 @@ long btrfs_ioctl_send(struct file *mnt_f
}
if (!access_ok(VERIFY_READ, arg->clone_sources,
- sizeof(*arg->clone_sources *
- arg->clone_sources_count))) {
+ sizeof(*arg->clone_sources) *
+ arg->clone_sources_count)) {
ret = -EFAULT;
goto out;
}
Patches currently in stable-queue which might be from dan.carpenter@xxxxxxxxxx are
queue-3.12/media-af9035-unlock-on-error-in-af9035_i2c_master_xfer.patch
queue-3.12/hwmon-prevent-some-divide-by-zeros-in-fan_to_reg.patch
queue-3.12/btrfs-fix-access_ok-check-in-btrfs_ioctl_send.patch
queue-3.12/xfs-underflow-bug-in-xfs_attrlist_by_handle.patch
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