linux-kernel - [PATCH v2 2/4] GIC: Prevent gic from crossing NR

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]

Date:	Thu, 28 Jan 2010 23:06:02 -0800
From:	adharmap@...eaurora.org
To:	linux-arm-kernel@...ts.infradead.org
Cc:	linux-arm-msm@...ts.infradead.org,
	Russell King <linux@....linux.org.uk>,
	Catalin Marinas <catalin.marinas@....com>,
	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	Ingo Molnar <mingo@...e.hu>, Yinghai Lu <yinghai@...nel.org>,
	Abhijeet Dharmapurikar <adharmap@...cinc.com>
Subject: [PATCH v2 2/4] GIC: Prevent gic from crossing NR_IRQS

From: Abhijeet Dharmapurikar <adharmap@...cinc.com>

Prevent gic code from initializing interrupts beyon NR_IRQS.

Signed-off-by: Abhijeet Dharmapurikar <adharmap@...cinc.com>
---
 arch/arm/common/gic.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index cd92ce0..8a2bfae 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -237,7 +237,8 @@ void __init gic_dist_init(unsigned int gic_nr, void __iomem *base,
 	/*
 	 * Setup the Linux IRQ subsystem.
 	 */
-	for (i = irq_start; i < gic_data[gic_nr].irq_offset + max_irq; i++) {
+	for (i = irq_start;
+		i < NR_IRQS && i < gic_data[gic_nr].irq_offset + max_irq; i++) {
 		set_irq_chip(i, &gic_chip);
 		set_irq_chip_data(i, &gic_data[gic_nr]);
 		set_irq_handler(i, handle_level_irq);
-- 
1.5.6.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/