better handle case when pdf_load_page_tree() fails (fixes #3283)

sumatrapdfreader · Feb 18, 2023 · 5a94368 · 5a94368
1 parent dfa2314
commit 5a94368
Showing 1 changed file with 9 additions and 3 deletions.
diff --git a/src/EngineMupdf.cpp b/src/EngineMupdf.cpp
@@ -2044,9 +2044,15 @@ bool EngineMupdf::FinishLoading() {
     }
 
     int nPages = pdfdoc->map_page_count;
-    if (nPages != pageCount) {
-        fz_warn(ctx, "mismatch between fz_count_pages() and doc->rev_page_count");
-        return false;
+    if (loadPageTreeFailed) {
+        nPages = pageCount;
+    } else {
+        if (nPages != pageCount) {
+            logfa("pdfdoc->map_page_count: %d, pageCount: %d\n", pdfdoc->map_page_count, pageCount);
+            ReportIf(nPages != pageCount);
+            fz_warn(ctx, "mismatch between fz_count_pages() and doc->rev_page_count");
+            return false;
+        }
     }
 
     if (!loadPageTreeFailed) {