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: <20231107052824.29418-2-amhetre@nvidia.com>
Date:   Tue, 7 Nov 2023 10:58:24 +0530
From:   Ashish Mhetre <amhetre@...dia.com>
To:     <krzysztof.kozlowski@...aro.org>, <thierry.reding@...il.com>,
        <jonathanh@...dia.com>, <dmitry.osipenko@...labora.com>
CC:     <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        "Ashish Mhetre" <amhetre@...dia.com>
Subject: [PATCH 2/2] memory: tegra: Skip SID programming if SID registers aren't set

There are few MC clients where SID security and override register
offsets are not specified like "sw_cluster0" in Tegra234. Don't program
SID override for such clients because it leads to access to invalid
addresses.

Signed-off-by: Ashish Mhetre <amhetre@...dia.com>
---
 drivers/memory/tegra/tegra186.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/memory/tegra/tegra186.c b/drivers/memory/tegra/tegra186.c
index bd8cecc3cde2..1abbd12dce0b 100644
--- a/drivers/memory/tegra/tegra186.c
+++ b/drivers/memory/tegra/tegra186.c
@@ -88,6 +88,9 @@ static void tegra186_mc_client_sid_override(struct tegra_mc *mc,
 {
 	u32 value, old;
 
+	if (client->regs.sid.security == 0 && client->regs.sid.override == 0)
+		return;
+
 	value = readl(mc->regs + client->regs.sid.security);
 	if ((value & MC_SID_STREAMID_SECURITY_OVERRIDE) == 0) {
 		/*
-- 
2.17.1

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ