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ofz#4476 Integer-overflow

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Change-Id: I7ee197b396026fb25872f9e79c3be098329a5cee
Reviewed-on: https://gerrit.libreoffice.org/45467
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
This commit is contained in:
Caolán McNamara 2017-11-29 09:02:16 +00:00
parent af8431d8db
commit d02e49d9b9
1 changed files with 3 additions and 2 deletions
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5
sot/source/sdstor/stgstrms.cxx
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@ -913,8 +913,9 @@ sal_Int32 StgDataStrm::Read( void* pBuf, sal_Int32 n )
if ( n < 0 )
return 0;
if( ( m_nPos + n ) > m_nSize )
n = m_nSize - m_nPos;
const auto nAvailable = m_nSize - m_nPos;
if (n > nAvailable)
n = nAvailable;
sal_Int32 nDone = 0;
while( n )
{