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smcv pushed a commit to annotated tag 1.42d
in repository iortcw.

commit 23d454517a1033c7369d04eda08d70279a2b3e11
Author: m4n4t4...@gmail.com 
<m4n4t4...@gmail.com@e65d2741-a53d-b2dc-ae96-bb75fa5e4c4a>
Date:   Mon May 26 10:55:30 2014 +0000

    All: Fix OOB access in CM_EdgePlaneNum
---
 MP/code/qcommon/cm_patch.c | 18 ++++++++++++++++++
 SP/code/qcommon/cm_patch.c | 18 ++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/MP/code/qcommon/cm_patch.c b/MP/code/qcommon/cm_patch.c
index 044471d..e279e4b 100644
--- a/MP/code/qcommon/cm_patch.c
+++ b/MP/code/qcommon/cm_patch.c
@@ -639,6 +639,9 @@ static int CM_EdgePlaneNum( cGrid_t *grid, int 
gridPlanes[MAX_GRID_SIZE][MAX_GRI
                p1 = grid->points[i][j];
                p2 = grid->points[i + 1][j];
                p = CM_GridPlane( gridPlanes, i, j, 0 );
+               if ( p == -1 ) {
+                       return -1;
+               }
                VectorMA( p1, 4, planes[ p ].plane, up );
                return CM_FindPlane( p1, p2, up );
 
@@ -646,6 +649,9 @@ static int CM_EdgePlaneNum( cGrid_t *grid, int 
gridPlanes[MAX_GRID_SIZE][MAX_GRI
                p1 = grid->points[i][j + 1];
                p2 = grid->points[i + 1][j + 1];
                p = CM_GridPlane( gridPlanes, i, j, 1 );
+               if ( p == -1 ) {
+                       return -1;
+               }
                VectorMA( p1, 4, planes[ p ].plane, up );
                return CM_FindPlane( p2, p1, up );
 
@@ -653,6 +659,9 @@ static int CM_EdgePlaneNum( cGrid_t *grid, int 
gridPlanes[MAX_GRID_SIZE][MAX_GRI
                p1 = grid->points[i][j];
                p2 = grid->points[i][j + 1];
                p = CM_GridPlane( gridPlanes, i, j, 1 );
+               if ( p == -1 ) {
+                       return -1;
+               }
                VectorMA( p1, 4, planes[ p ].plane, up );
                return CM_FindPlane( p2, p1, up );
 
@@ -660,6 +669,9 @@ static int CM_EdgePlaneNum( cGrid_t *grid, int 
gridPlanes[MAX_GRID_SIZE][MAX_GRI
                p1 = grid->points[i + 1][j];
                p2 = grid->points[i + 1][j + 1];
                p = CM_GridPlane( gridPlanes, i, j, 0 );
+               if ( p == -1 ) {
+                       return -1;
+               }
                VectorMA( p1, 4, planes[ p ].plane, up );
                return CM_FindPlane( p1, p2, up );
 
@@ -667,6 +679,9 @@ static int CM_EdgePlaneNum( cGrid_t *grid, int 
gridPlanes[MAX_GRID_SIZE][MAX_GRI
                p1 = grid->points[i + 1][j + 1];
                p2 = grid->points[i][j];
                p = CM_GridPlane( gridPlanes, i, j, 0 );
+               if ( p == -1 ) {
+                       return -1;
+               }
                VectorMA( p1, 4, planes[ p ].plane, up );
                return CM_FindPlane( p1, p2, up );
 
@@ -674,6 +689,9 @@ static int CM_EdgePlaneNum( cGrid_t *grid, int 
gridPlanes[MAX_GRID_SIZE][MAX_GRI
                p1 = grid->points[i][j];
                p2 = grid->points[i + 1][j + 1];
                p = CM_GridPlane( gridPlanes, i, j, 1 );
+               if ( p == -1 ) {
+                       return -1;
+               }
                VectorMA( p1, 4, planes[ p ].plane, up );
                return CM_FindPlane( p1, p2, up );
 
diff --git a/SP/code/qcommon/cm_patch.c b/SP/code/qcommon/cm_patch.c
index 5c12129..22a5ebc 100644
--- a/SP/code/qcommon/cm_patch.c
+++ b/SP/code/qcommon/cm_patch.c
@@ -631,6 +631,9 @@ static int CM_EdgePlaneNum( cGrid_t *grid, int 
gridPlanes[MAX_GRID_SIZE][MAX_GRI
                p1 = grid->points[i][j];
                p2 = grid->points[i + 1][j];
                p = CM_GridPlane( gridPlanes, i, j, 0 );
+               if ( p == -1 ) {
+                       return -1;
+               }
                VectorMA( p1, 4, planes[ p ].plane, up );
                return CM_FindPlane( p1, p2, up );
 
@@ -638,6 +641,9 @@ static int CM_EdgePlaneNum( cGrid_t *grid, int 
gridPlanes[MAX_GRID_SIZE][MAX_GRI
                p1 = grid->points[i][j + 1];
                p2 = grid->points[i + 1][j + 1];
                p = CM_GridPlane( gridPlanes, i, j, 1 );
+               if ( p == -1 ) {
+                       return -1;
+               }
                VectorMA( p1, 4, planes[ p ].plane, up );
                return CM_FindPlane( p2, p1, up );
 
@@ -645,6 +651,9 @@ static int CM_EdgePlaneNum( cGrid_t *grid, int 
gridPlanes[MAX_GRID_SIZE][MAX_GRI
                p1 = grid->points[i][j];
                p2 = grid->points[i][j + 1];
                p = CM_GridPlane( gridPlanes, i, j, 1 );
+               if ( p == -1 ) {
+                       return -1;
+               }
                VectorMA( p1, 4, planes[ p ].plane, up );
                return CM_FindPlane( p2, p1, up );
 
@@ -652,6 +661,9 @@ static int CM_EdgePlaneNum( cGrid_t *grid, int 
gridPlanes[MAX_GRID_SIZE][MAX_GRI
                p1 = grid->points[i + 1][j];
                p2 = grid->points[i + 1][j + 1];
                p = CM_GridPlane( gridPlanes, i, j, 0 );
+               if ( p == -1 ) {
+                       return -1;
+               }
                VectorMA( p1, 4, planes[ p ].plane, up );
                return CM_FindPlane( p1, p2, up );
 
@@ -659,6 +671,9 @@ static int CM_EdgePlaneNum( cGrid_t *grid, int 
gridPlanes[MAX_GRID_SIZE][MAX_GRI
                p1 = grid->points[i + 1][j + 1];
                p2 = grid->points[i][j];
                p = CM_GridPlane( gridPlanes, i, j, 0 );
+               if ( p == -1 ) {
+                       return -1;
+               }
                VectorMA( p1, 4, planes[ p ].plane, up );
                return CM_FindPlane( p1, p2, up );
 
@@ -666,6 +681,9 @@ static int CM_EdgePlaneNum( cGrid_t *grid, int 
gridPlanes[MAX_GRID_SIZE][MAX_GRI
                p1 = grid->points[i][j];
                p2 = grid->points[i + 1][j + 1];
                p = CM_GridPlane( gridPlanes, i, j, 1 );
+               if ( p == -1 ) {
+                       return -1;
+               }
                VectorMA( p1, 4, planes[ p ].plane, up );
                return CM_FindPlane( p1, p2, up );
 

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