On Fri, Jan 25, 2013 at 04:08:01PM +0800, Li Zefan wrote: > rename() will change dentry->d_name. The result of this race can > be worse than seeing partially rewritten name, but we might access > a stale pointer because rename() will re-allocate memory to hold > a longer name. > > It's safe in the protection of dentry->d_lock. > > v2: check NULL dentry before acquiring dentry lock. > > Signed-off-by: Li Zefan <lize...@huawei.com>
Applied to cgroup/for-3.8-fixes w/ stable cc'd. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
