linux-kernel - [tip: x86/misc] selftests/x86: Add missing .note.GNU-stack sections

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Date:   Tue, 24 Nov 2020 13:02:08 -0000
From:   "tip-bot2 for Andy Lutomirski" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Andy Lutomirski <luto@...nel.org>, Borislav Petkov <bp@...e.de>,
        x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: x86/misc] selftests/x86: Add missing .note.GNU-stack sections

The following commit has been merged into the x86/misc branch of tip:

Commit-ID:     aeaaf005da1de075929e56562dced4a58238efc4
Gitweb:        https://git.kernel.org/tip/aeaaf005da1de075929e56562dced4a58238efc4
Author:        Andy Lutomirski <luto@...nel.org>
AuthorDate:    Mon, 02 Nov 2020 11:51:11 -08:00
Committer:     Borislav Petkov <bp@...e.de>
CommitterDate: Tue, 24 Nov 2020 13:55:39 +01:00

selftests/x86: Add missing .note.GNU-stack sections

Several of the x86 selftests end up with executable stacks because
the asm was missing the annotation that says that they are modern
and don't need executable stacks.  Add the annotations.

Signed-off-by: Andy Lutomirski <luto@...nel.org>
Signed-off-by: Borislav Petkov <bp@...e.de>
Link: https://lkml.kernel.org/r/6f043c03e9e0e4557e1e975a63b07a4d18965a68.1604346596.git.luto@kernel.org
---
 tools/testing/selftests/x86/raw_syscall_helper_32.S | 2 ++
 tools/testing/selftests/x86/thunks.S                | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/tools/testing/selftests/x86/raw_syscall_helper_32.S b/tools/testing/selftests/x86/raw_syscall_helper_32.S
index 94410fa..a10d36a 100644
--- a/tools/testing/selftests/x86/raw_syscall_helper_32.S
+++ b/tools/testing/selftests/x86/raw_syscall_helper_32.S
@@ -45,3 +45,5 @@ int80_and_ret:
 
 	.type int80_and_ret, @function
 	.size int80_and_ret, .-int80_and_ret
+
+.section .note.GNU-stack,"",%progbits
diff --git a/tools/testing/selftests/x86/thunks.S b/tools/testing/selftests/x86/thunks.S
index 1bb5d62..a2d47d8 100644
--- a/tools/testing/selftests/x86/thunks.S
+++ b/tools/testing/selftests/x86/thunks.S
@@ -57,3 +57,5 @@ call32_from_64:
 	ret
 
 .size call32_from_64, .-call32_from_64
+
+.section .note.GNU-stack,"",%progbits