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From: Russell Currey <ruscur@russell.cc>
To: linuxppc-dev@lists.ozlabs.org
Cc: ajd@linux.ibm.com, kernel-hardening@lists.openwall.com,
	Joel Stanley <joel@joel.id.au>,
	npiggin@gmail.com, joel@jms.id.au,
	Russell Currey <ruscur@russell.cc>,
	dja@axtens.net
Subject: [PATCH v4 5/8] powerpc/configs: Enable STRICT_MODULE_RWX in skiroot_defconfig
Date: Wed, 26 Feb 2020 17:24:00 +1100	[thread overview]
Message-ID: <20200226062403.63790-6-ruscur@russell.cc> (raw)
In-Reply-To: <20200226062403.63790-1-ruscur@russell.cc>

skiroot_defconfig is the only powerpc defconfig with STRICT_KERNEL_RWX
enabled, and if you want memory protection for kernel text you'd want it
for modules too, so enable STRICT_MODULE_RWX there.

Acked-by: Joel Stanley <joel@joel.id.au>
Signed-off-by: Russell Currey <ruscur@russell.cc>
---
 arch/powerpc/configs/skiroot_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/configs/skiroot_defconfig b/arch/powerpc/configs/skiroot_defconfig
index 1b6bdad36b13..66d20dbe67b7 100644
--- a/arch/powerpc/configs/skiroot_defconfig
+++ b/arch/powerpc/configs/skiroot_defconfig
@@ -51,6 +51,7 @@ CONFIG_CMDLINE="console=tty0 console=hvc0 ipr.fast_reboot=1 quiet"
 # CONFIG_PPC_MEM_KEYS is not set
 CONFIG_JUMP_LABEL=y
 CONFIG_STRICT_KERNEL_RWX=y
+CONFIG_STRICT_MODULE_RWX=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_SIG_FORCE=y
-- 
2.25.1


  parent reply	other threads:[~2020-02-26  6:35 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-26  6:23 [PATCH v4 0/8] set_memory() routines and STRICT_MODULE_RWX Russell Currey
2020-02-26  6:23 ` [PATCH v4 1/8] powerpc/mm: Implement set_memory() routines Russell Currey
2020-02-26  6:23 ` [PATCH v4 2/8] powerpc/kprobes: Mark newly allocated probes as RO Russell Currey
2020-02-26  6:23 ` [PATCH v4 3/8] powerpc/mm/ptdump: debugfs handler for W+X checks at runtime Russell Currey
2020-02-26  6:23 ` [PATCH v4 4/8] powerpc: Set ARCH_HAS_STRICT_MODULE_RWX Russell Currey
2020-02-26  6:24 ` Russell Currey [this message]
2020-02-26  6:24 ` [PATCH v4 6/8] powerpc/mm: implement set_memory_attr() Russell Currey
2020-02-26  6:24 ` [PATCH v4 7/8] powerpc/32: use set_memory_attr() Russell Currey
2020-02-26  6:24 ` [PATCH v4 8/8] powerpc/mm: Disable set_memory() routines when strict RWX isn't enabled Russell Currey
2020-02-26  7:19   ` Christophe Leroy

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