audit: no leading space in audit_log_d_path prefix

audit_log_d_path() injects an additional space before the prefix,
which serves no purpose and doesn't mix well with other audit_log*()
functions that do not sneak extra characters into the log.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Eric Paris <eparis@redhat.com>

diff --git a/kernel/audit.c b/kernel/audit.c
index 00efe47..705c25a 100644 (file)
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1423,7 +1423,7 @@ void audit_log_d_path(struct audit_buffer *ab, const char *prefix,
        char *p, *pathname;
 
        if (prefix)
-               audit_log_format(ab, " %s", prefix);
+               audit_log_format(ab, "%s", prefix);
 
        /* We will allow 11 spaces for ' (deleted)' to be appended */
        pathname = kmalloc(PATH_MAX+11, ab->gfp_mask);

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 86584ec..caaea6e 100644 (file)
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -1171,7 +1171,7 @@ static void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk
                while (vma) {
                        if ((vma->vm_flags & VM_EXECUTABLE) &&
                            vma->vm_file) {
-                               audit_log_d_path(ab, "exe=",
+                               audit_log_d_path(ab, " exe=",
                                                 &vma->vm_file->f_path);
                                break;
                        }
@@ -1540,7 +1540,7 @@ static void audit_log_name(struct audit_context *context, struct audit_names *n,
                case 0:
                        /* name was specified as a relative path and the
                         * directory component is the cwd */
-                       audit_log_d_path(ab, "name=", &context->pwd);
+                       audit_log_d_path(ab, " name=", &context->pwd);
                        break;
                default:
                        /* log the name's directory component */
@@ -1725,7 +1725,7 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
        if (context->pwd.dentry && context->pwd.mnt) {
                ab = audit_log_start(context, GFP_KERNEL, AUDIT_CWD);
                if (ab) {
-                       audit_log_d_path(ab, "cwd=", &context->pwd);
+                       audit_log_d_path(ab, " cwd=", &context->pwd);
                        audit_log_end(ab);
                }
        }

diff --git a/security/lsm_audit.c b/security/lsm_audit.c
index fc41b7c..293b8c4 100644 (file)
--- a/security/lsm_audit.c
+++ b/security/lsm_audit.c
@@ -232,7 +232,7 @@ static void dump_common_audit_data(struct audit_buffer *ab,
        case LSM_AUDIT_DATA_PATH: {
                struct inode *inode;
 
-               audit_log_d_path(ab, "path=", &a->u.path);
+               audit_log_d_path(ab, " path=", &a->u.path);
 
                inode = a->u.path.dentry->d_inode;
                if (inode) {
@@ -318,7 +318,7 @@ static void dump_common_audit_data(struct audit_buffer *ab,
                                                .dentry = u->dentry,
                                                .mnt = u->mnt
                                        };
-                                       audit_log_d_path(ab, "path=", &path);
+                                       audit_log_d_path(ab, " path=", &path);
                                        break;
                                }
                                if (!u->addr)