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| author | Vsevolod Stakhov <vsevolod@highsecure.ru> | 2020-12-01 14:37:44 +0000 |
|---|---|---|
| committer | Vsevolod Stakhov <vsevolod@highsecure.ru> | 2020-12-01 14:37:44 +0000 |
| commit | 0007aabece04ca4b86447a6abd259f4cef70731e (patch) | |
| tree | 18982dccf63ba01d8f91df36499fb696aafda7d1 /lualib | |
| parent | 42678000b60db1e431685455c99ec82bf734a05f (diff) | |
| download | rspamd-0007aabece04ca4b86447a6abd259f4cef70731e.tar.gz rspamd-0007aabece04ca4b86447a6abd259f4cef70731e.zip | |
[Minor] Lua_content: Fix a corner case when unpacking compound objects
Diffstat (limited to 'lualib')
| -rw-r--r-- | lualib/lua_content/pdf.lua | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lualib/lua_content/pdf.lua b/lualib/lua_content/pdf.lua index 11d5cab46..4e199b8b6 100644 --- a/lualib/lua_content/pdf.lua +++ b/lualib/lua_content/pdf.lua @@ -811,7 +811,7 @@ local function pdf_compound_object_unpack(_, uncompressed, pdf, task, first) span_len = (elts[i + 1][2] + first) - offset end - if span_len > 0 and offset + span_len < #uncompressed then + if span_len > 0 and offset + span_len <= #uncompressed then local obj = { major = obj_number, minor = 0, -- Implicit @@ -823,6 +823,9 @@ local function pdf_compound_object_unpack(_, uncompressed, pdf, task, first) if obj.dict then pdf.objects[#pdf.objects + 1] = obj end + else + lua_util.debugm(N, task, 'invalid span_len for compound object %s:%s; offset = %s, len = %s', + pair[1], pair[2], offset + span_len, #uncompressed) end end end |