From bfe7ad5be77a6a8925a7ab1628452c8942222102 Mon Sep 17 00:00:00 2001
From: "Emilio G. Cota" <cota@braap.org>
Date: Tue, 10 Apr 2018 11:09:52 -0400
Subject: target/arm: avoid integer overflow in next_page PC check

If the PC is in the last page of the address space, next_page_start
overflows to 0. Fix it.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/translate.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'target/arm/translate.h')

diff --git a/target/arm/translate.h b/target/arm/translate.h
index 4428c98e2e..37a1bba056 100644
--- a/target/arm/translate.h
+++ b/target/arm/translate.h
@@ -9,7 +9,7 @@ typedef struct DisasContext {
     DisasContextBase base;
 
     target_ulong pc;
-    target_ulong next_page_start;
+    target_ulong page_start;
     uint32_t insn;
     /* Nonzero if this instruction has been conditionally skipped.  */
     int condjmp;
-- 
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