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

commit a24de7881bdba7dcdc81be97259c924abfb32db4
Author: m4n4t4...@gmail.com 
<m4n4t4...@gmail.com@e65d2741-a53d-b2dc-ae96-bb75fa5e4c4a>
Date:   Fri Aug 1 17:47:57 2014 +0000

    All: Guard against out-of-bounds jump table targets
---
 MP/code/qcommon/vm_x86.c | 3 ++-
 SP/code/qcommon/vm_x86.c | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/MP/code/qcommon/vm_x86.c b/MP/code/qcommon/vm_x86.c
index b896883..77aba05 100644
--- a/MP/code/qcommon/vm_x86.c
+++ b/MP/code/qcommon/vm_x86.c
@@ -1087,8 +1087,9 @@ void VM_Compile(vm_t *vm, vmHeader_t *header)
 
        // ensure that the optimisation pass knows about all the jump
        // table targets
+       pc = -1; // a bogus value to be printed in out-of-bounds error messages
        for( i = 0; i < vm->numJumpTableTargets; i++ ) {
-               jused[ *(int *)(vm->jumpTableTargets + ( i * sizeof( int ) ) ) 
] = 1;
+               JUSED( *(int *)(vm->jumpTableTargets + ( i * sizeof( int ) ) ) 
);
        }
 
        // Start buffer with x86-VM specific procedures
diff --git a/SP/code/qcommon/vm_x86.c b/SP/code/qcommon/vm_x86.c
index b896883..77aba05 100644
--- a/SP/code/qcommon/vm_x86.c
+++ b/SP/code/qcommon/vm_x86.c
@@ -1087,8 +1087,9 @@ void VM_Compile(vm_t *vm, vmHeader_t *header)
 
        // ensure that the optimisation pass knows about all the jump
        // table targets
+       pc = -1; // a bogus value to be printed in out-of-bounds error messages
        for( i = 0; i < vm->numJumpTableTargets; i++ ) {
-               jused[ *(int *)(vm->jumpTableTargets + ( i * sizeof( int ) ) ) 
] = 1;
+               JUSED( *(int *)(vm->jumpTableTargets + ( i * sizeof( int ) ) ) 
);
        }
 
        // Start buffer with x86-VM specific procedures

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