From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sunil Mushran Date: Wed, 04 May 2011 13:09:39 -0700 Subject: [Ocfs2-devel] freeing memory allocated in security_inode_init_security() In-Reply-To: <1304536698.3227.36.camel@localhost.localdomain> References: <1304536698.3227.36.camel@localhost.localdomain> Message-ID: <4DC1B283.8080105@oracle.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ocfs2-devel@oss.oracle.com On 05/04/2011 12:18 PM, Mimi Zohar wrote: > Although it isn't documented in security.c, the LSM > security_inode_init_security() hook allocates memory for xattr name and > value, expecting the caller to release the memory afterwards. > > I'm making my way through the different filesystems adding a subsequent > call to evm_inode_post_init_security(). I see the call to > ocfs2_init_security_and_acl() calls ocfs2_init_security_get(), which in > turn calls security_inode_init_security(), but am having a hard time > finding where the name and value are subsequently freed. Would > appreciate if someone could point it out. I think we have a leak in the reflink code path. mknod and symlink code paths free the name/value pair. Tiger, Please could you post a fix.