Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0957f0...
Commit: 0957f00796157564281ea6ff2cea7ef4f897775a
Parent: 7909f2bf835376a20d6dbf853eb459a27566eba2
Author: Mark Fasheh <mark.fasheh@oracle.com>
AuthorDate: Tue Dec 18 18:58:18 2007 -0800
Committer: Mark Fasheh <mark.fasheh@oracle.com>
CommitDate: Fri Jan 25 15:05:19 2008 -0800
ocfs2: Add missing permission checks
Check that an online resize is being driven by a user with permission to
change system resource limits.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
---
fs/ocfs2/ioctl.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index 7003d58..5177fba 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -144,12 +144,18 @@ int ocfs2_ioctl(struct inode * inode, struct file * filp,
return ocfs2_change_file_space(filp, cmd, &sr);
case OCFS2_IOC_GROUP_EXTEND:
+ if (!capable(CAP_SYS_RESOURCE))
+ return -EPERM;
+
if (get_user(new_clusters, (int __user *)arg))
return -EFAULT;
return ocfs2_group_extend(inode, new_clusters);
case OCFS2_IOC_GROUP_ADD:
case OCFS2_IOC_GROUP_ADD64:
+ if (!capable(CAP_SYS_RESOURCE))
+ return -EPERM;
+
if (copy_from_user(&input, (int __user *) arg, sizeof(input)))
return -EFAULT;
-
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