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>

2 files changed, 4 insertions, 4 deletions

diff --git a/kernel/audit.c b/kernel/audit.c
index 00efe4758c86..705c25a70bff 100644
--- 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 86584ecb1039..caaea6e944f8 100644
--- 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);
                 }
         }