* [PATCH 4.4 74/80] kprobes: Make list and blacklist root user read only
[not found] <20180903164934.171677301@linuxfoundation.org>
@ 2018-09-03 16:49 ` Greg Kroah-Hartman
2018-09-03 16:49 ` Greg Kroah-Hartman
0 siblings, 1 reply; 2+ messages in thread
From: Greg Kroah-Hartman @ 2018-09-03 16:49 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Thomas Richter, Ingo Molnar,
Masami Hiramatsu, Ananth N Mavinakayanahalli,
Anil S Keshavamurthy, Arnd Bergmann, David Howells,
David S . Miller, Heiko Carstens, Jon Medhurst, Linus Torvalds,
Peter Zijlstra, Thomas Gleixner, Tobin C . Harding, Will Deacon,
acme, akpm, brueckner, linux-arch
4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Masami Hiramatsu <mhiramat@kernel.org>
commit f2a3ab36077222437b4826fc76111caa14562b7c upstream.
Since the blacklist and list files on debugfs indicates
a sensitive address information to reader, it should be
restricted to the root user.
Suggested-by: Thomas Richter <tmricht@linux.ibm.com>
Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Howells <dhowells@redhat.com>
Cc: David S . Miller <davem@davemloft.net>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Jon Medhurst <tixy@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tobin C . Harding <me@tobin.cc>
Cc: Will Deacon <will.deacon@arm.com>
Cc: acme@kernel.org
Cc: akpm@linux-foundation.org
Cc: brueckner@linux.vnet.ibm.com
Cc: linux-arch@vger.kernel.org
Cc: rostedt@goodmis.org
Cc: schwidefsky@de.ibm.com
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/lkml/152491890171.9916.5183693615601334087.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
kernel/kprobes.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -2441,7 +2441,7 @@ static int __init debugfs_kprobe_init(vo
if (!dir)
return -ENOMEM;
- file = debugfs_create_file("list", 0444, dir, NULL,
+ file = debugfs_create_file("list", 0400, dir, NULL,
&debugfs_kprobes_operations);
if (!file)
goto error;
@@ -2451,7 +2451,7 @@ static int __init debugfs_kprobe_init(vo
if (!file)
goto error;
- file = debugfs_create_file("blacklist", 0444, dir, NULL,
+ file = debugfs_create_file("blacklist", 0400, dir, NULL,
&debugfs_kprobe_blacklist_ops);
if (!file)
goto error;
^ permalink raw reply [flat|nested] 2+ messages in thread
* [PATCH 4.4 74/80] kprobes: Make list and blacklist root user read only
2018-09-03 16:49 ` [PATCH 4.4 74/80] kprobes: Make list and blacklist root user read only Greg Kroah-Hartman
@ 2018-09-03 16:49 ` Greg Kroah-Hartman
0 siblings, 0 replies; 2+ messages in thread
From: Greg Kroah-Hartman @ 2018-09-03 16:49 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Thomas Richter, Ingo Molnar,
Masami Hiramatsu, Ananth N Mavinakayanahalli,
Anil S Keshavamurthy, Arnd Bergmann, David Howells,
David S . Miller, Heiko Carstens, Jon Medhurst, Linus Torvalds,
Peter Zijlstra, Thomas Gleixner, Tobin C . Harding, Will Deacon,
acme, akpm, brueckner, linux-arch, rostedt, schwidefsky
4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Masami Hiramatsu <mhiramat@kernel.org>
commit f2a3ab36077222437b4826fc76111caa14562b7c upstream.
Since the blacklist and list files on debugfs indicates
a sensitive address information to reader, it should be
restricted to the root user.
Suggested-by: Thomas Richter <tmricht@linux.ibm.com>
Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Howells <dhowells@redhat.com>
Cc: David S . Miller <davem@davemloft.net>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Jon Medhurst <tixy@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tobin C . Harding <me@tobin.cc>
Cc: Will Deacon <will.deacon@arm.com>
Cc: acme@kernel.org
Cc: akpm@linux-foundation.org
Cc: brueckner@linux.vnet.ibm.com
Cc: linux-arch@vger.kernel.org
Cc: rostedt@goodmis.org
Cc: schwidefsky@de.ibm.com
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/lkml/152491890171.9916.5183693615601334087.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
kernel/kprobes.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -2441,7 +2441,7 @@ static int __init debugfs_kprobe_init(vo
if (!dir)
return -ENOMEM;
- file = debugfs_create_file("list", 0444, dir, NULL,
+ file = debugfs_create_file("list", 0400, dir, NULL,
&debugfs_kprobes_operations);
if (!file)
goto error;
@@ -2451,7 +2451,7 @@ static int __init debugfs_kprobe_init(vo
if (!file)
goto error;
- file = debugfs_create_file("blacklist", 0444, dir, NULL,
+ file = debugfs_create_file("blacklist", 0400, dir, NULL,
&debugfs_kprobe_blacklist_ops);
if (!file)
goto error;
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2018-09-03 21:23 UTC | newest]
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2018-09-03 16:49 ` [PATCH 4.4 74/80] kprobes: Make list and blacklist root user read only Greg Kroah-Hartman
2018-09-03 16:49 ` Greg Kroah-Hartman
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