Improve EmbedStream::reset error checking.

12303bbd · William Bader · e2ecddf3 · 12303bbd
Unverified Commit 12303bbd authored Sep 13, 2020 by William Bader
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Showing with 6 additions and 1 deletion

poppler/Stream.cc poppler/Stream.cc +6 -1

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--- a/poppler/Stream.cc
+++ b/poppler/Stream.cc
@@ -1090,7 +1090,12 @@ void EmbedStream::reset()
        str->reset();
        // Might be a FilterStream that does not support str->setPos(start)
        while (str->getPos() < start) {
-            str->getChar();
+            if (str->getChar() == EOF) {
+                break;
+            }
+        }
+        if (str->getPos() != start) {
+            error(errInternal, -1, "Failed to reset EmbedStream");
        }
    }
    record = false;