filter/source/graphicfilter/itiff/itiff.cxx | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
New commits:
commit 955e72f265697c1f6d65b7a57a3ee30106c609e1
Author: Caolán McNamara <caol...@redhat.com>
Date: Tue Oct 24 10:10:50 2017 +0100
ofz#3741 Integer-overflow
Change-Id: I5059eca94cde52696affbf40753b9db1061a8c2b
Reviewed-on: https://gerrit.libreoffice.org/43740
Tested-by: Jenkins <c...@libreoffice.org>
Reviewed-by: Caolán McNamara <caol...@redhat.com>
Tested-by: Caolán McNamara <caol...@redhat.com>
diff --git a/filter/source/graphicfilter/itiff/itiff.cxx
b/filter/source/graphicfilter/itiff/itiff.cxx
index 192f3deae086..7a57097b2ab3 100644
--- a/filter/source/graphicfilter/itiff/itiff.cxx
+++ b/filter/source/graphicfilter/itiff/itiff.cxx
@@ -1336,7 +1336,9 @@ bool TIFFReader::ReadTIFF(SvStream & rTIFF, Graphic &
rGraphic )
if ( nBitsPerSample == 32 ) // sj: i93300,
compiler bug, 1 << 32 gives 1 one 32bit windows platforms,
nMaxSampleValue = 0xffffffff; // (up from 80286 only
the lower 5 bits are used when shifting a 32bit register)
else
- nMaxSampleValue = ( 1 << nBitsPerSample ) - 1;
+ {
+ nMaxSampleValue = (1U << nBitsPerSample) - 1;
+ }
}
if ( nPhotometricInterpretation == 2 ||
nPhotometricInterpretation == 5 || nPhotometricInterpretation == 6 )
nDstBitsPerPixel = 24;
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