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dplayx: Prevent out-of-bounds access to lpMemArea. 

Based on a patch by Andrey Gusev.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Huw Davies 2018-05-30 13:01:56 +01:00 committed by Alexandre Julliard
parent 8d0444826d
commit 18e532d645
1 changed files with 2 additions and 2 deletions
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4
dlls/dplayx/dplayx_global.c
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@ -120,9 +120,9 @@ static LPVOID DPLAYX_PrivHeapAlloc( DWORD flags, DWORD size )
/* Find blank area */
uBlockUsed = 0;
while( lpMemArea[ uBlockUsed ].used && uBlockUsed <= dwMaxBlock ) { uBlockUsed++; }
while( uBlockUsed < dwMaxBlock && lpMemArea[ uBlockUsed ].used ) { uBlockUsed++; }
if( uBlockUsed <= dwMaxBlock )
if( uBlockUsed < dwMaxBlock )
{
/* Set the area used */
lpMemArea[ uBlockUsed ].used = TRUE;