[PATCH] execve argument logging

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 5 insertions, 3 deletions

diff --git a/kernel/audit.c b/kernel/audit.c
index bf74bf02aa4b..d09f131b111a 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1026,18 +1026,20 @@ void audit_log_hex(struct audit_buffer *ab, const unsigned char *buf,
  * or a space. Unescaped strings will start and end with a double quote mark.
  * Strings that are escaped are printed in hex (2 digits per char).
  */
-void audit_log_untrustedstring(struct audit_buffer *ab, const char *string)
+const char *audit_log_untrustedstring(struct audit_buffer *ab, const char *string)
 {
         const unsigned char *p = string;
+        size_t len = strlen(string);
 
         while (*p) {
                 if (*p == '"' || *p < 0x21 || *p > 0x7f) {
-                        audit_log_hex(ab, string, strlen(string));
-                        return;
+                        audit_log_hex(ab, string, len);
+                        return string + len + 1;
                 }
                 p++;
         }
         audit_log_format(ab, "\"%s\"", string);
+        return p + 1;
 }
 
 /* This is a helper-function to print the escaped d_path */