[Poppler-bugs] [Bug 24090] New: MemStream returns a NULL fileName which causes saveAs to segfault when saving a PDF created from a MemStream

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=24090

           Summary: MemStream returns a NULL fileName which causes saveAs to
                    segfault when saving a PDF created from a MemStream
           Product: poppler
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
        AssignedTo: poppler-bugs at lists.freedesktop.org
        ReportedBy: kovid at kovidgoyal.net


Patch to fix:

diff --git a/poppler/PDFDoc.cc b/poppler/PDFDoc.cc
index b61a8e4..f48f2f5 100644
--- a/poppler/PDFDoc.cc
+++ b/poppler/PDFDoc.cc
@@ -817,7 +817,10 @@ void PDFDoc::writeTrailer (Guint uxrefOffset, int
uxrefSize, OutStream* outStr,
   char buffer[256];
   sprintf(buffer, "%i", (int)time(NULL));
   message.append(buffer);
-  message.append(fileName);
+  if (fileName)
+      message.append(fileName);
+  else
+      message.append("stream.pdf");


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