[Qemu-devel] [PATCH 3/5] decodetree: Ensure build_tree does not include values outside insnmask

[Richard Henderson]

From: Philippe Mathieu-Daudé <address@hidden>

Reproduced with "scripts/decodetree.py /dev/null".

Reviewed-by: Eduardo Habkost <address@hidden>
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
 scripts/decodetree.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/decodetree.py b/scripts/decodetree.py
index ba203aeccd..fb9a0ab3ad 100755
--- a/scripts/decodetree.py
+++ b/scripts/decodetree.py
@@ -784,7 +784,7 @@ class Tree:
 
 def build_tree(pats, outerbits, outermask):
     # Find the intersection of all remaining fixedmask.
-    innermask = ~outermask
+    innermask = ~outermask & insnmask
     for i in pats:
         innermask &= i.fixedmask
 
-- 
2.17.2