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Message-Id: <20200624123330.83226-2-alex.popov@linux.com>
Date: Wed, 24 Jun 2020 15:33:26 +0300
From: Alexander Popov <alex.popov@...ux.com>
To: Kees Cook <keescook@...omium.org>,
Jann Horn <jannh@...gle.com>,
Emese Revfy <re.emese@...il.com>,
Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
Masahiro Yamada <masahiroy@...nel.org>,
Michal Marek <michal.lkml@...kovi.net>,
Andrew Morton <akpm@...ux-foundation.org>,
Masahiro Yamada <yamada.masahiro@...ionext.com>,
Thiago Jung Bauermann <bauerman@...ux.ibm.com>,
Luis Chamberlain <mcgrof@...nel.org>,
Jessica Yu <jeyu@...nel.org>,
Sven Schnelle <svens@...ckframe.org>,
Iurii Zaikin <yzaikin@...gle.com>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>,
Vincenzo Frascino <vincenzo.frascino@....com>,
Thomas Gleixner <tglx@...utronix.de>,
Peter Collingbourne <pcc@...gle.com>,
Naohiro Aota <naohiro.aota@....com>,
Alexander Monakov <amonakov@...ras.ru>,
Mathias Krause <minipli@...glemail.com>,
PaX Team <pageexec@...email.hu>,
Brad Spengler <spender@...ecurity.net>,
Laura Abbott <labbott@...hat.com>,
Florian Weimer <fweimer@...hat.com>,
Alexander Popov <alex.popov@...ux.com>,
kernel-hardening@...ts.openwall.com,
linux-kbuild@...r.kernel.org,
x86@...nel.org,
linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
gcc@....gnu.org
Cc: notify@...nel.org
Subject: [PATCH v2 1/5] gcc-plugins/stackleak: Don't instrument itself
There is no need to try instrumenting functions in kernel/stackleak.c.
Otherwise that can cause issues if the cleanup pass of stackleak gcc plugin
is disabled.
Signed-off-by: Alexander Popov <alex.popov@...ux.com>
Acked-by: Kees Cook <keescook@...omium.org>
---
kernel/Makefile | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/Makefile b/kernel/Makefile
index f3218bc5ec69..155b5380500a 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -125,6 +125,7 @@ obj-$(CONFIG_WATCH_QUEUE) += watch_queue.o
obj-$(CONFIG_SYSCTL_KUNIT_TEST) += sysctl-test.o
+CFLAGS_stackleak.o += $(DISABLE_STACKLEAK_PLUGIN)
obj-$(CONFIG_GCC_PLUGIN_STACKLEAK) += stackleak.o
KASAN_SANITIZE_stackleak.o := n
KCSAN_SANITIZE_stackleak.o := n
--
2.25.4
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