* [kernel-hardening] [PATCH] Revert "futex: Mark get_robust_list as deprecated"
@ 2012-08-03 13:29 Richard Weinberger
0 siblings, 0 replies; 3+ messages in thread
From: Richard Weinberger @ 2012-08-03 13:29 UTC (permalink / raw)
To: linux-kernel
Cc: linux-doc, dvhart, paul.gortmaker, jkosina, rob,
Richard Weinberger, Randy Dunlap, Peter Zijlstra,
Eric W. Biederman, David Howells, Serge E. Hallyn,
kernel-hardening, spender, keescook, tglx, Cyrill Gorcunov, xemul,
stable, #
get_robust_list has at least two valid use cases.
1. checkpoint/restore in userspace
2. post mortem analysis
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Darren Hart <dvhart@linux.intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Serge E. Hallyn <serge.hallyn@canonical.com>
Cc: kernel-hardening@lists.openwall.com
Cc: spender@grsecurity.net
Cc: keescook@chromium.org
Cc: tglx@linutronix.de
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: xemul@parallels.com
Cc: <stable@vger.kernel.org> # 3.4.x
Cc: <stable@vger.kernel.org> # 3.5.x
Link: http://lkml.kernel.org/r/CAFLxGvzPVPyXPwjay4a01q1vx4K4Ht56bHjzswYrr1wvB_1dYw%20%28%29%20mail%20!%20gmail%20!%20com
Signed-off-by: Richard Weinberger <richard@nod.at>
---
Documentation/feature-removal-schedule.txt | 10 ----------
kernel/futex.c | 2 --
kernel/futex_compat.c | 2 --
3 Dateien geändert, 14 Zeilen entfernt(-)
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index afaff31..a25482e 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -506,16 +506,6 @@ Who: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
----------------------------
-What: get_robust_list syscall
-When: 2013
-Why: There appear to be no production users of the get_robust_list syscall,
- and it runs the risk of leaking address locations, allowing the bypass
- of ASLR. It was only ever intended for debugging, so it should be
- removed.
-Who: Kees Cook <keescook@chromium.org>
-
-----------------------------
-
What: Removing the pn544 raw driver.
When: 3.6
Why: With the introduction of the NFC HCI and SHDL kernel layers, pn544.c
diff --git a/kernel/futex.c b/kernel/futex.c
index e2b0fb9..d701be5 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -2449,8 +2449,6 @@ SYSCALL_DEFINE3(get_robust_list, int, pid,
if (!futex_cmpxchg_enabled)
return -ENOSYS;
- WARN_ONCE(1, "deprecated: get_robust_list will be deleted in 2013.\n");
-
rcu_read_lock();
ret = -ESRCH;
diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c
index 83e368b..a9642d5 100644
--- a/kernel/futex_compat.c
+++ b/kernel/futex_compat.c
@@ -142,8 +142,6 @@ compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
if (!futex_cmpxchg_enabled)
return -ENOSYS;
- WARN_ONCE(1, "deprecated: get_robust_list will be deleted in 2013.\n");
-
rcu_read_lock();
ret = -ESRCH;
--
1.7.10.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [kernel-hardening] [PATCH] Revert "futex: Mark get_robust_list as deprecated"
@ 2012-08-03 14:40 Richard Weinberger
0 siblings, 0 replies; 3+ messages in thread
From: Richard Weinberger @ 2012-08-03 14:40 UTC (permalink / raw)
To: linux-kernel
Cc: linux-doc, dvhart, paul.gortmaker, jkosina, rob,
Richard Weinberger, Randy Dunlap, Peter Zijlstra,
Eric W. Biederman, David Howells, Serge E. Hallyn,
kernel-hardening, spender, keescook, tglx, Cyrill Gorcunov, xemul,
stable, #
get_robust_list has at least two valid use cases.
1. checkpoint/restore in userspace
2. post mortem analysis
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Darren Hart <dvhart@linux.intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Serge E. Hallyn <serge.hallyn@canonical.com>
Cc: kernel-hardening@lists.openwall.com
Cc: spender@grsecurity.net
Cc: keescook@chromium.org
Cc: tglx@linutronix.de
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: xemul@parallels.com
Cc: <stable@vger.kernel.org> # 3.4.x
Cc: <stable@vger.kernel.org> # 3.5.x
Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
---
Documentation/feature-removal-schedule.txt | 10 ----------
kernel/futex.c | 2 --
kernel/futex_compat.c | 2 --
3 Dateien geändert, 14 Zeilen entfernt(-)
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index afaff31..a25482e 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -506,16 +506,6 @@ Who: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
----------------------------
-What: get_robust_list syscall
-When: 2013
-Why: There appear to be no production users of the get_robust_list syscall,
- and it runs the risk of leaking address locations, allowing the bypass
- of ASLR. It was only ever intended for debugging, so it should be
- removed.
-Who: Kees Cook <keescook@chromium.org>
-
-----------------------------
-
What: Removing the pn544 raw driver.
When: 3.6
Why: With the introduction of the NFC HCI and SHDL kernel layers, pn544.c
diff --git a/kernel/futex.c b/kernel/futex.c
index e2b0fb9..d701be5 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -2449,8 +2449,6 @@ SYSCALL_DEFINE3(get_robust_list, int, pid,
if (!futex_cmpxchg_enabled)
return -ENOSYS;
- WARN_ONCE(1, "deprecated: get_robust_list will be deleted in 2013.\n");
-
rcu_read_lock();
ret = -ESRCH;
diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c
index 83e368b..a9642d5 100644
--- a/kernel/futex_compat.c
+++ b/kernel/futex_compat.c
@@ -142,8 +142,6 @@ compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
if (!futex_cmpxchg_enabled)
return -ENOSYS;
- WARN_ONCE(1, "deprecated: get_robust_list will be deleted in 2013.\n");
-
rcu_read_lock();
ret = -ESRCH;
--
1.7.10.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [kernel-hardening] [PATCH] Revert "futex: Mark get_robust_list as deprecated"
2012-08-03 17:16 [kernel-hardening] Re: [PATCH v2] futex: mark get_robust_list as deprecated Kees Cook
@ 2012-08-03 18:06 ` Richard Weinberger
0 siblings, 0 replies; 3+ messages in thread
From: Richard Weinberger @ 2012-08-03 18:06 UTC (permalink / raw)
To: linux-kernel
Cc: linux-doc, dvhart, paul.gortmaker, jkosina, rob,
Richard Weinberger, Randy Dunlap, Peter Zijlstra,
Eric W. Biederman, David Howells, Serge E. Hallyn,
kernel-hardening, spender, keescook, tglx, Cyrill Gorcunov, xemul,
stable, #
get_robust_list has at least two valid use cases.
1. checkpoint/restore in userspace
2. post mortem analysis
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Darren Hart <dvhart@linux.intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Serge E. Hallyn <serge.hallyn@canonical.com>
Cc: kernel-hardening@lists.openwall.com
Cc: spender@grsecurity.net
Cc: keescook@chromium.org
Cc: tglx@linutronix.de
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: xemul@parallels.com
Cc: <stable@vger.kernel.org> # 3.4.x
Cc: <stable@vger.kernel.org> # 3.5.x
Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Kees Cook <keescook@chromium.org>
---
Documentation/feature-removal-schedule.txt | 10 ----------
kernel/futex.c | 2 --
kernel/futex_compat.c | 2 --
3 files changed, 14 deletions(-)
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index afaff31..a25482e 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -506,16 +506,6 @@ Who: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
----------------------------
-What: get_robust_list syscall
-When: 2013
-Why: There appear to be no production users of the get_robust_list syscall,
- and it runs the risk of leaking address locations, allowing the bypass
- of ASLR. It was only ever intended for debugging, so it should be
- removed.
-Who: Kees Cook <keescook@chromium.org>
-
-----------------------------
-
What: Removing the pn544 raw driver.
When: 3.6
Why: With the introduction of the NFC HCI and SHDL kernel layers, pn544.c
diff --git a/kernel/futex.c b/kernel/futex.c
index e2b0fb9..d701be5 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -2449,8 +2449,6 @@ SYSCALL_DEFINE3(get_robust_list, int, pid,
if (!futex_cmpxchg_enabled)
return -ENOSYS;
- WARN_ONCE(1, "deprecated: get_robust_list will be deleted in 2013.\n");
-
rcu_read_lock();
ret = -ESRCH;
diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c
index 83e368b..a9642d5 100644
--- a/kernel/futex_compat.c
+++ b/kernel/futex_compat.c
@@ -142,8 +142,6 @@ compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
if (!futex_cmpxchg_enabled)
return -ENOSYS;
- WARN_ONCE(1, "deprecated: get_robust_list will be deleted in 2013.\n");
-
rcu_read_lock();
ret = -ESRCH;
--
1.7.10.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
end of thread, other threads:[~2012-08-03 18:06 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2012-08-03 14:40 [kernel-hardening] [PATCH] Revert "futex: Mark get_robust_list as deprecated" Richard Weinberger
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2012-08-03 17:16 [kernel-hardening] Re: [PATCH v2] futex: mark get_robust_list as deprecated Kees Cook
2012-08-03 18:06 ` [kernel-hardening] [PATCH] Revert "futex: Mark get_robust_list as deprecated" Richard Weinberger
2012-08-03 13:29 Richard Weinberger
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