From: Rabin Vincent <rabin.vincent@axis.com>
To: kwolf@redhat.com
Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org,
Rabin Vincent <rabinv@axis.com>
Subject: [Qemu-devel] [PATCH] nand: fix address overflow
Date: Tue, 10 Nov 2015 14:25:47 +0100 [thread overview]
Message-ID: <1447161947-22542-1-git-send-email-rabin.vincent@axis.com> (raw)
The shifts of the address mask and value shift beyond 32 bits when there
are 5 address cycles.
Signed-off-by: Rabin Vincent <rabin.vincent@axis.com>
---
hw/block/nand.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/block/nand.c b/hw/block/nand.c
index 61d2cec..a68266f 100644
--- a/hw/block/nand.c
+++ b/hw/block/nand.c
@@ -522,8 +522,8 @@ void nand_setio(DeviceState *dev, uint32_t value)
if (s->ale) {
unsigned int shift = s->addrlen * 8;
- unsigned int mask = ~(0xff << shift);
- unsigned int v = value << shift;
+ uint64_t mask = ~(0xffull << shift);
+ uint64_t v = (uint64_t)value << shift;
s->addr = (s->addr & mask) | v;
s->addrlen ++;
--
1.7.10.4
next reply other threads:[~2015-11-10 13:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-10 13:25 Rabin Vincent [this message]
2015-11-10 15:09 ` [Qemu-devel] [PATCH] nand: fix address overflow Paolo Bonzini
2015-11-13 4:23 ` Peter Crosthwaite
2015-11-13 9:32 ` Paolo Bonzini
2015-11-13 11:04 ` Kevin Wolf
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