* Patch "x86/spectre: Fix an error message" has been added to the 4.4-stable tree
@ 2018-03-08 17:37 gregkh
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From: gregkh @ 2018-03-08 17:37 UTC (permalink / raw)
To: dan.carpenter, ben.hutchings, bp, dwmw, gregkh, karahmed, luto,
mingo, peterz, tglx, torvalds
Cc: stable, stable-commits
This is a note to let you know that I've just added the patch titled
x86/spectre: Fix an error message
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
x86-spectre-fix-an-error-message.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From 9de29eac8d2189424d81c0d840cd0469aa3d41c8 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 14 Feb 2018 10:14:17 +0300
Subject: x86/spectre: Fix an error message
From: Dan Carpenter <dan.carpenter@oracle.com>
commit 9de29eac8d2189424d81c0d840cd0469aa3d41c8 upstream.
If i == ARRAY_SIZE(mitigation_options) then we accidentally print
garbage from one space beyond the end of the mitigation_options[] array.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Woodhouse <dwmw@amazon.co.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: KarimAllah Ahmed <karahmed@amazon.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: kernel-janitors@vger.kernel.org
Fixes: 9005c6834c0f ("x86/spectre: Simplify spectre_v2 command line parsing")
Link: http://lkml.kernel.org/r/20180214071416.GA26677@mwanda
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/x86/kernel/cpu/bugs.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -175,8 +175,7 @@ static enum spectre_v2_mitigation_cmd __
}
if (i >= ARRAY_SIZE(mitigation_options)) {
- pr_err("unknown option (%s). Switching to AUTO select\n",
- mitigation_options[i].option);
+ pr_err("unknown option (%s). Switching to AUTO select\n", arg);
return SPECTRE_V2_CMD_AUTO;
}
}
Patches currently in stable-queue which might be from dan.carpenter@oracle.com are
queue-4.4/x86-spectre-fix-an-error-message.patch
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2018-03-08 17:37 Patch "x86/spectre: Fix an error message" has been added to the 4.4-stable tree gregkh
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