linux-kernel - [tip:x86/urgent] x86: Correct segment permission flags in 64-bit linker script

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] [day] [month] [year] [list]

Date:	Sun, 20 Sep 2009 18:30:06 GMT
From:	tip-bot for Jan Beulich <JBeulich@...ell.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	jbeulich@...ell.com, JBeulich@...ell.com, tglx@...utronix.de,
	mingo@...e.hu
Subject: [tip:x86/urgent] x86: Correct segment permission flags in 64-bit linker script

Commit-ID:  8d0cc631f6dd0a9283ceb7d61d8b85ecbcd355ea
Gitweb:     http://git.kernel.org/tip/8d0cc631f6dd0a9283ceb7d61d8b85ecbcd355ea
Author:     Jan Beulich <JBeulich@...ell.com>
AuthorDate: Fri, 4 Sep 2009 09:18:07 +0100
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Sun, 20 Sep 2009 20:23:47 +0200

x86: Correct segment permission flags in 64-bit linker script

While these don't get actively used (afaict), it still doesn't hurt
for them to properly reflect what how respective segments will get
mapped/ accessed.

Signed-off-by: Jan Beulich <jbeulich@...ell.com>
LKML-Reference: <4AA0E95F0200007800013707@....id2.novell.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 arch/x86/kernel/vmlinux.lds.S |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index 0ccb57d..a46accc 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -45,9 +45,9 @@ PHDRS {
 	text PT_LOAD FLAGS(5);          /* R_E */
 	data PT_LOAD FLAGS(7);          /* RWE */
 #ifdef CONFIG_X86_64
-	user PT_LOAD FLAGS(7);          /* RWE */
+	user PT_LOAD FLAGS(5);          /* R_E */
 #ifdef CONFIG_SMP
-	percpu PT_LOAD FLAGS(7);        /* RWE */
+	percpu PT_LOAD FLAGS(6);        /* RW_ */
 #endif
 	init PT_LOAD FLAGS(7);          /* RWE */
 #endif
--
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/