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Message-Id: <1200609356-17788-15-git-send-email-mark.fasheh@oracle.com> Date: Thu, 17 Jan 2008 14:35:40 -0800 From: Mark Fasheh <mark.fasheh@...cle.com> To: linux-kernel@...r.kernel.org Cc: ocfs2-devel@....oracle.com, Mark Fasheh <mark.fasheh@...cle.com> Subject: [PATCH 14/30] 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@...cle.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; -- 1.5.3.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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