From: Laura Abbott <labbott@redhat.com>
To: Alexander Popov <alex.popov@linux.com>,
Kees Cook <keescook@chromium.org>,
Mark Rutland <mark.rutland@arm.com>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Laura Abbott <labbott@redhat.com>,
kernel-hardening@lists.openwall.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 1/2] stackleak: Update for arm64
Date: Tue, 20 Feb 2018 17:13:02 -0800 [thread overview]
Message-ID: <20180221011303.20392-2-labbott@redhat.com> (raw)
In-Reply-To: <20180221011303.20392-1-labbott@redhat.com>
arm64 has another layer of indirection in the RTL.
Account for this in the plugin.
Signed-off-by: Laura Abbott <labbott@redhat.com>
---
scripts/gcc-plugins/stackleak_plugin.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/scripts/gcc-plugins/stackleak_plugin.c b/scripts/gcc-plugins/stackleak_plugin.c
index 6fc991c98d8b..7dfaa027423f 100644
--- a/scripts/gcc-plugins/stackleak_plugin.c
+++ b/scripts/gcc-plugins/stackleak_plugin.c
@@ -244,6 +244,11 @@ static unsigned int stackleak_final_execute(void)
* that insn.
*/
body = PATTERN(insn);
+ /* arm64 is different */
+ if (GET_CODE(body) == PARALLEL) {
+ body = XEXP(body, 0);
+ body = XEXP(body, 0);
+ }
if (GET_CODE(body) != CALL)
continue;
--
2.14.3
WARNING: multiple messages have this Message-ID (diff)
From: labbott@redhat.com (Laura Abbott)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] stackleak: Update for arm64
Date: Tue, 20 Feb 2018 17:13:02 -0800 [thread overview]
Message-ID: <20180221011303.20392-2-labbott@redhat.com> (raw)
In-Reply-To: <20180221011303.20392-1-labbott@redhat.com>
arm64 has another layer of indirection in the RTL.
Account for this in the plugin.
Signed-off-by: Laura Abbott <labbott@redhat.com>
---
scripts/gcc-plugins/stackleak_plugin.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/scripts/gcc-plugins/stackleak_plugin.c b/scripts/gcc-plugins/stackleak_plugin.c
index 6fc991c98d8b..7dfaa027423f 100644
--- a/scripts/gcc-plugins/stackleak_plugin.c
+++ b/scripts/gcc-plugins/stackleak_plugin.c
@@ -244,6 +244,11 @@ static unsigned int stackleak_final_execute(void)
* that insn.
*/
body = PATTERN(insn);
+ /* arm64 is different */
+ if (GET_CODE(body) == PARALLEL) {
+ body = XEXP(body, 0);
+ body = XEXP(body, 0);
+ }
if (GET_CODE(body) != CALL)
continue;
--
2.14.3
next prev parent reply other threads:[~2018-02-21 1:13 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-16 18:10 [PATCH RFC v8 0/6] Introduce the STACKLEAK feature and a test for it Alexander Popov
2018-02-16 18:10 ` [PATCH RFC v8 1/6] x86/entry: Add STACKLEAK erasing the kernel stack at the end of syscalls Alexander Popov
2018-02-21 13:24 ` Borislav Petkov
2018-02-21 21:49 ` Alexander Popov
2018-02-22 19:14 ` Borislav Petkov
2018-02-22 20:24 ` Alexander Popov
2018-02-16 18:10 ` [PATCH RFC v8 2/6] gcc-plugins: Add STACKLEAK plugin for tracking the kernel stack Alexander Popov
2018-02-16 18:10 ` [PATCH RFC v8 3/6] x86/entry: Erase kernel stack in syscall_trace_enter() Alexander Popov
2018-02-16 18:10 ` [PATCH RFC v8 4/6] lkdtm: Add a test for STACKLEAK Alexander Popov
2018-02-16 18:10 ` [PATCH RFC v8 5/6] fs/proc: Show STACKLEAK metrics in the /proc file system Alexander Popov
2018-02-16 18:10 ` [PATCH RFC v8 6/6] doc: self-protection: Add information about STACKLEAK feature Alexander Popov
2018-02-20 10:29 ` [PATCH RFC v8 0/6] Introduce the STACKLEAK feature and a test for it Alexander Popov
2018-02-20 23:17 ` Kees Cook
2018-02-20 23:33 ` Laura Abbott
2018-02-21 1:13 ` [PATCH 0/2] Stackleak for arm64 Laura Abbott
2018-02-21 1:13 ` Laura Abbott
2018-02-21 1:13 ` Laura Abbott [this message]
2018-02-21 1:13 ` [PATCH 1/2] stackleak: Update " Laura Abbott
2018-02-22 16:58 ` Will Deacon
2018-02-22 16:58 ` Will Deacon
2018-02-22 19:22 ` Alexander Popov
2018-02-22 19:22 ` Alexander Popov
2018-02-27 10:21 ` Richard Sandiford
2018-02-27 10:21 ` Richard Sandiford
2018-02-27 10:21 ` Richard Sandiford
2018-02-28 15:09 ` Alexander Popov
2018-02-28 15:09 ` Alexander Popov
2018-03-01 10:33 ` Richard Sandiford
2018-03-01 10:33 ` Richard Sandiford
2018-03-01 10:33 ` Richard Sandiford
2018-03-02 11:14 ` Alexander Popov
2018-03-02 11:14 ` Alexander Popov
2018-02-22 19:38 ` Laura Abbott
2018-02-22 19:38 ` Laura Abbott
2018-02-21 1:13 ` [PATCH 2/2] arm64: Clear the stack Laura Abbott
2018-02-21 1:13 ` Laura Abbott
2018-02-21 15:38 ` Mark Rutland
2018-02-21 15:38 ` Mark Rutland
2018-02-21 23:53 ` Laura Abbott
2018-02-21 23:53 ` Laura Abbott
2018-02-22 1:35 ` Laura Abbott
2018-02-22 1:35 ` Laura Abbott
2018-02-21 14:48 ` [PATCH 0/2] Stackleak for arm64 Alexander Popov
2018-02-21 14:48 ` Alexander Popov
2018-02-21 10:05 ` [PATCH RFC v8 0/6] Introduce the STACKLEAK feature and a test for it Borislav Petkov
2018-02-21 15:09 ` Alexander Popov
2018-02-21 14:43 ` Alexander Popov
2018-02-22 1:43 ` Laura Abbott
2018-02-22 23:14 ` [PATCH 0/2] Update stackleak for gcc-8 Laura Abbott
2018-02-22 23:14 ` [PATCH 1/2] gcc-plugins: Update cgraph_create_edge " Laura Abbott
2018-02-22 23:40 ` Kees Cook
2018-02-23 17:30 ` Laura Abbott
2018-02-24 12:36 ` Alexander Popov
2018-02-22 23:14 ` [PATCH 2/2] gcc-plugins: stackleak: Update " Laura Abbott
2018-02-24 14:04 ` Alexander Popov
2018-02-26 21:51 ` Laura Abbott
2018-02-27 10:30 ` Richard Sandiford
2018-02-28 10:27 ` Alexander Popov
2018-02-22 23:43 ` [PATCH 0/2] Update stackleak " Kees Cook
2018-05-02 20:33 [PATCH 0/2] Stackleak for arm64 Laura Abbott
2018-05-02 20:33 ` [PATCH 1/2] stackleak: Update " Laura Abbott
2018-05-02 20:33 ` Laura Abbott
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