[Libreoffice-commits] core.git: filter/source

[Caolán McNamara]

 filter/source/svg/svgfilter.cxx |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

New commits:
commit 26867c39dc0da66f0bc753301096fcd105417c18
Author: Caolán McNamara <caol...@redhat.com>
Date:   Fri Jun 15 09:07:52 2018 +0100

    crashtesting: ZCodec::Read return -1 on failure
    
    Change-Id: If7c4bcfc0c03bdab3209d27f0e8fa75a498feae1
    Reviewed-on: https://gerrit.libreoffice.org/55842
    Tested-by: Jenkins
    Reviewed-by: Caolán McNamara <caol...@redhat.com>
    Tested-by: Caolán McNamara <caol...@redhat.com>

diff --git a/filter/source/svg/svgfilter.cxx b/filter/source/svg/svgfilter.cxx
index ddc81b4f89e5..b143bfef55cc 100644
--- a/filter/source/svg/svgfilter.cxx
+++ b/filter/source/svg/svgfilter.cxx
@@ -486,7 +486,7 @@ private:
     const uno::Reference<io::XInputStream>&     mxInput;
     uno::Sequence< sal_Int8 >                   mnFirstBytes;
     sal_Int32                                   mnFirstBytesSize;
-    sal_uInt64                                  mnFirstRead;
+    sal_Int32                                   mnFirstRead;
     bool                                        mbProcessed;
     bool                                        mbIsSVG;
 
@@ -555,7 +555,7 @@ private:
         }
 
         // check if it is gzipped -> svgz
-        if(mnFirstBytes[0] == 0x1F && static_cast<sal_uInt8>(mnFirstBytes[1]) 
== 0x8B)
+        if (mnFirstBytes[0] == 0x1F && static_cast<sal_uInt8>(mnFirstBytes[1]) 
== 0x8B)
         {
             ZCodec aCodec;
 
@@ -568,6 +568,9 @@ private:
                 reinterpret_cast< sal_uInt8* >(mnFirstBytes.getArray()),
                 mnFirstBytesSize);
             aCodec.EndCompression();
+
+            if (mnFirstRead < 0)
+                return;
         }
 
         if(!mbIsSVG)
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