From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Mon, 6 Jul 2020 19:25:35 +0000 (+0100)
Subject: [Minor] Pdf: Add more sanity checks
X-Git-Tag: 2.6~260
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=bbff6aea5990f02c1d70adb553b9d2bf3fbcb26a;p=thirdparty%2Frspamd.git

[Minor] Pdf: Add more sanity checks
---

diff --git a/lualib/lua_content/pdf.lua b/lualib/lua_content/pdf.lua
index 8a1e16ad0e..7b940ff0d0 100644
--- a/lualib/lua_content/pdf.lua
+++ b/lualib/lua_content/pdf.lua
@@ -460,7 +460,12 @@ local function parse_object_grammar(obj, task, pdf)
 
     if ret then
       if obj.stream then
-        obj.dict = obj_or_err
+        if type(obj_or_err) == 'table' then
+          obj.dict = obj_or_err
+        else
+          obj.dict = {}
+        end
+
         lua_util.debugm(N, task, 'stream object %s:%s is parsed to: %s',
             obj.major, obj.minor, obj_or_err)
       else