linux-kernel - [PATCH 4.4 095/112] irqchip/gic-v3-its: Fix entry size mask for GITS

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20161026122308.777110843@linuxfoundation.org>
Date:   Wed, 26 Oct 2016 14:23:18 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Vladimir Murzin <vladimir.murzin@....com>,
        Marc Zyngier <marc.zyngier@....com>
Subject: [PATCH 4.4 095/112] irqchip/gic-v3-its: Fix entry size mask for GITS_BASER

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vladimir Murzin <vladimir.murzin@....com>

commit 9224eb77e63f70f16c0b6b7a20ca7d395f3bc077 upstream.

Entry Size in GITS_BASER<n> occupies 5 bits [52:48], but we mask out 8
bits.

Fixes: cc2d3216f53c ("irqchip: GICv3: ITS command queue")
Signed-off-by: Vladimir Murzin <vladimir.murzin@....com>
Signed-off-by: Marc Zyngier <marc.zyngier@....com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>


---
 include/linux/irqchip/arm-gic-v3.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -218,7 +218,7 @@
 #define GITS_BASER_TYPE_SHIFT		(56)
 #define GITS_BASER_TYPE(r)		(((r) >> GITS_BASER_TYPE_SHIFT) & 7)
 #define GITS_BASER_ENTRY_SIZE_SHIFT	(48)
-#define GITS_BASER_ENTRY_SIZE(r)	((((r) >> GITS_BASER_ENTRY_SIZE_SHIFT) & 0xff) + 1)
+#define GITS_BASER_ENTRY_SIZE(r)	((((r) >> GITS_BASER_ENTRY_SIZE_SHIFT) & 0x1f) + 1)
 #define GITS_BASER_NonShareable		(0UL << 10)
 #define GITS_BASER_InnerShareable	(1UL << 10)
 #define GITS_BASER_OuterShareable	(2UL << 10)