tdf#147507 sw: fix crash with Reject All around not content nodes

Regression from commit f3bec764ddbf3fd3ae986f034c89626bf22940e0
"tdf144058 sw track changes: fix table deletion at paragraph join".

Conflicts:
sw/source/core/doc/docredln.cxx

(chrery-picked from commit 7462f728df54c28cea659dbf9aa92070019b489f)

Change-Id: If08a2b85c3db9fe92ad623d3d7cb30f2feaaab36
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/140159
Tested-by: Jenkins
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>

3 files changed, 101 insertions, 1 deletions

diff --git a/sw/qa/extras/uiwriter/data/tdf147507.fodt b/sw/qa/extras/uiwriter/data/tdf147507.fodt
new file mode 100644
index 000000000000..bd579a4b85c7
--- /dev/null
+++ b/sw/qa/extras/uiwriter/data/tdf147507.fodt
@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<office:document xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:style="urn:oasis:names:tc:opendocument:xmlns:style:1.0" xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0" xmlns:table="urn:oasis:names:tc:opendocument:xmlns:table:1.0" xmlns:draw="urn:oasis:names:tc:opendocument:xmlns:drawing:1.0" xmlns:fo="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:meta="urn:oasis:names:tc:opendocument:xmlns:meta:1.0" xmlns:number="urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0" xmlns:svg="urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0" xmlns:chart="urn:oasis:names:tc:opendocument:xmlns:chart:1.0" xmlns:dr3d="urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0" xmlns:math="http://www.w3.org/1998/Math/MathML" xmlns:form="urn:oasis:names:tc:opendocument:xmlns:form:1.0" xmlns:script="urn:oasis:names:tc:opendocument:xmlns:script:1.0" xmlns:config="urn:oasis:names:tc:opendocument:xmlns:config:1.0" xmlns:ooo="http://openoffice.org/2004/office" xmlns:ooow="http://openoffice.org/2004/writer" xmlns:oooc="http://openoffice.org/2004/calc" xmlns:dom="http://www.w3.org/2001/xml-events" xmlns:xforms="http://www.w3.org/2002/xforms" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:rpt="http://openoffice.org/2005/report" xmlns:of="urn:oasis:names:tc:opendocument:xmlns:of:1.2" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:grddl="http://www.w3.org/2003/g/data-view#" xmlns:officeooo="http://openoffice.org/2009/office" xmlns:tableooo="http://openoffice.org/2009/table" xmlns:drawooo="http://openoffice.org/2010/draw" xmlns:calcext="urn:org:documentfoundation:names:experimental:calc:xmlns:calcext:1.0" xmlns:loext="urn:org:documentfoundation:names:experimental:office:xmlns:loext:1.0" xmlns:field="urn:openoffice:names:experimental:ooo-ms-interop:xmlns:field:1.0" xmlns:formx="urn:openoffice:names:experimental:ooxml-odf-interop:xmlns:form:1.0" xmlns:css3t="http://www.w3.org/TR/css3-text/" office:version="1.2" office:mimetype="application/vnd.oasis.opendocument.text">
+ <office:automatic-styles>
+  <style:style style:name="Table1" style:family="table">
+   <style:table-properties style:width="15.621cm" fo:margin-left="-0.191cm" fo:margin-top="0cm" fo:margin-bottom="0cm" table:align="left" style:writing-mode="page"/>
+  </style:style>
+  <style:style style:name="Table1.A" style:family="table-column">
+   <style:table-column-properties style:column-width="6.765cm"/>
+  </style:style>
+  <style:style style:name="Table1.B" style:family="table-column">
+   <style:table-column-properties style:column-width="8.856cm"/>
+  </style:style>
+  <style:style style:name="Table1.1" style:family="table-row">
+   <style:table-row-properties fo:keep-together="auto"/>
+  </style:style>
+  <style:style style:name="Table1.A1" style:family="table-cell">
+   <style:table-cell-properties fo:padding-left="0.191cm" fo:padding-right="0.191cm" fo:padding-top="0cm" fo:padding-bottom="0cm" fo:border-left="none" fo:border-right="none" fo:border-top="0.5pt solid #000000" fo:border-bottom="0.5pt solid #000000"/>
+  </style:style>
+  <style:style style:name="P1" style:family="paragraph" style:parent-style-name="Block">
+   <style:paragraph-properties fo:orphans="0" fo:widows="0"/>
+  </style:style>
+  <style:style style:name="P5" style:family="paragraph" style:parent-style-name="Caption" style:master-page-name="Standard">
+   <style:paragraph-properties fo:margin-left="1.27cm" fo:margin-right="0cm" fo:text-indent="0cm" style:auto-text-indent="false" style:page-number="1"/>
+  </style:style>
+  <style:page-layout style:name="pm1">
+   <style:page-layout-properties fo:page-width="21.59cm" fo:page-height="27.94cm" style:num-format="i" style:print-orientation="portrait" fo:margin-top="0.847cm" fo:margin-bottom="1.27cm" fo:margin-left="3.81cm" fo:margin-right="2.54cm" style:writing-mode="lr-tb" style:layout-grid-color="#c0c0c0" style:layout-grid-lines="36" style:layout-grid-base-height="0.635cm" style:layout-grid-ruby-height="0cm" style:layout-grid-mode="none" style:layout-grid-ruby-below="false" style:layout-grid-print="false" style:layout-grid-display="false" style:layout-grid-base-width="0.423cm" style:layout-grid-snap-to="true" style:footnote-max-height="0cm" loext:margin-gutter="0cm">
+    <style:footnote-sep style:width="0.018cm" style:distance-before-sep="0.101cm" style:distance-after-sep="0.101cm" style:line-style="solid" style:adjustment="left" style:rel-width="25%" style:color="#000000"/>
+   </style:page-layout-properties>
+   <style:header-style>
+    <style:header-footer-properties fo:min-height="1.27cm" fo:margin-left="0cm" fo:margin-right="0cm" fo:margin-bottom="1.169cm" style:dynamic-spacing="true"/>
+   </style:header-style>
+   <style:footer-style>
+    <style:header-footer-properties fo:min-height="1.27cm" fo:margin-left="0cm" fo:margin-right="0cm" fo:margin-top="1.169cm" style:dynamic-spacing="true"/>
+   </style:footer-style>
+  </style:page-layout>
+  <style:style style:name="dp1" style:family="drawing-page">
+   <style:drawing-page-properties draw:background-size="full"/>
+  </style:style>
+ </office:automatic-styles>
+ <office:body>
+  <office:text>
+   <text:tracked-changes text:track-changes="false">
+    <text:changed-region xml:id="ct94794749170512" text:id="ct94794749170512">
+     <text:insertion>
+      <office:change-info>
+       <dc:creator>Author</dc:creator>
+       <dc:date>2004-01-12T03:00:00</dc:date>
+      </office:change-info>
+     </text:insertion>
+    </text:changed-region>
+    <text:changed-region xml:id="ct94794748244288" text:id="ct94794748244288">
+     <text:deletion>
+      <office:change-info>
+       <dc:creator>Author</dc:creator>
+       <dc:date>2004-01-05T21:45:00</dc:date>
+      </office:change-info>
+     </text:deletion>
+    </text:changed-region>
+   </text:tracked-changes>
+   <text:p text:style-name="P5"><text:change-start text:change-id="ct94794749170512"/>a<text:change-end text:change-id="ct94794749170512"/></text:p>
+   <text:p text:style-name="Contents_20_1"/>
+   <table:table table:name="Table1" table:style-name="Table1">
+    <table:table-column table:style-name="Table1.A"/>
+    <table:table-column table:style-name="Table1.B"/>
+    <table:table-row table:style-name="Table1.1">
+     <table:table-cell table:style-name="Table1.A1" office:value-type="string">
+      <text:p text:style-name="P1"/>
+     </table:table-cell>
+     <table:table-cell table:style-name="Table1.A1" office:value-type="string">
+      <text:p text:style-name="P1"/>
+     </table:table-cell>
+    </table:table-row>
+   </table:table>
+   <text:p text:style-name="Caption"><text:change-start text:change-id="ct94794748244288"/>s<text:change-end text:change-id="ct94794748244288"/></text:p>
+  </office:text>
+ </office:body>
+</office:document>
diff --git a/sw/qa/extras/uiwriter/uiwriter2.cxx b/sw/qa/extras/uiwriter/uiwriter2.cxx
index f4f8cd679a7e..fa80a05ff247 100644
--- a/sw/qa/extras/uiwriter/uiwriter2.cxx
+++ b/sw/qa/extras/uiwriter/uiwriter2.cxx
@@ -2070,6 +2070,25 @@ CPPUNIT_TEST_FIXTURE(SwUiWriterTest2, testTdf144058)
     CPPUNIT_ASSERT_EQUAL(sal_Int32(0), xTables->getCount());
 }
 
+CPPUNIT_TEST_FIXTURE(SwUiWriterTest2, testTdf147507)
+{
+    SwDoc* pDoc = createSwDoc(DATA_DIRECTORY, "tdf147507.fodt");
+
+    // turn on red-lining and show changes
+    pDoc->getIDocumentRedlineAccess().SetRedlineFlags(RedlineFlags::On | RedlineFlags::ShowDelete
+                                                      | RedlineFlags::ShowInsert);
+    CPPUNIT_ASSERT_MESSAGE("redlining should be on",
+                           pDoc->getIDocumentRedlineAccess().IsRedlineOn());
+    CPPUNIT_ASSERT_MESSAGE(
+        "redlines should be visible",
+        IDocumentRedlineAccess::IsShowChanges(pDoc->getIDocumentRedlineAccess().GetRedlineFlags()));
+
+    // select all, backspace and reject all crashed
+    dispatchCommand(mxComponent, ".uno:SelectAll", {});
+    dispatchCommand(mxComponent, ".uno:SwBackSpace", {});
+    dispatchCommand(mxComponent, ".uno:RejectAllTrackedChanges", {});
+}
+
 CPPUNIT_TEST_FIXTURE(SwUiWriterTest2, testTdf119019)
 {
     // check handling of overlapping redlines
diff --git a/sw/source/core/doc/docredln.cxx b/sw/source/core/doc/docredln.cxx
index c6d469678fa3..d95551f543f3 100644
--- a/sw/source/core/doc/docredln.cxx
+++ b/sw/source/core/doc/docredln.cxx
@@ -909,7 +909,11 @@ void SwRedlineExtraData_FormatColl::Reject( SwPaM& rPam ) const
         {
             aPam.GetPoint()->nNode--;
             SwContentNode* pNode = aPam.GetPoint()->nNode.GetNode().GetContentNode();
-            aPam.GetPoint()->nContent.Assign( pNode, pNode->Len() );
+            if ( pNode )
+                aPam.GetPoint()->nContent.Assign( pNode, pNode->Len() );
+            else
+                // tdf#147507 set it back to a content node to avoid of crashing
+                aPam.GetPoint()->nNode++;
         }
         else if (aPam.GetPoint()->nNode < aPam.GetMark()->nNode)
         {