[PULL 01/17] hw/riscv: Fix integer overflow in cm_base calculation

alistair23@gmail.com posted 17 patches 2 days, 14 hours ago
Maintainers: Pierrick Bouvier <pierrick.bouvier@linaro.org>, Aurelien Jarno <aurelien@aurel32.net>, Peter Maydell <peter.maydell@linaro.org>, "Alex Bennée" <alex.bennee@linaro.org>, Alistair Francis <Alistair.Francis@wdc.com>, Palmer Dabbelt <palmer@dabbelt.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Weiwei Li <liwei1518@gmail.com>, Daniel Henrique Barboza <daniel.barboza@oss.qualcomm.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Chao Liu <chao.liu.zevorn@gmail.com>
There is a newer version of this series
[PULL 01/17] hw/riscv: Fix integer overflow in cm_base calculation
Posted by alistair23@gmail.com 2 days, 14 hours ago
From: Djordje Todorovic <Djordje.Todorovic@htecgroup.com>

Ensure 64-bit arithmetic is used when computing cm_base,
avoiding potential integer overflow.

Resolves: Coverity CID 1644076

Signed-off-by: Djordje Todorovic <djordje.todorovic@htecgroup.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20260115130110.2825796-2-djordje.todorovic@htecgroup.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
 include/hw/riscv/cps.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/hw/riscv/cps.h b/include/hw/riscv/cps.h
index f33fd7ac86..39029bca8f 100644
--- a/include/hw/riscv/cps.h
+++ b/include/hw/riscv/cps.h
@@ -27,7 +27,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(RISCVCPSState, RISCV_CPS)
 /* The global CM base for the boston-aia model. */
 #define GLOBAL_CM_BASE 0x16100000
 /* The CM block is 512 KiB. */
-#define CM_SIZE (1 << 19)
+#define CM_SIZE (1ULL << 19)
 
 /*
  * The mhartid bits has cluster at bit 16, core at bit 4, and hart at
-- 
2.53.0