From: tip-bot for Dan Carpenter <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: hpa@zytor.com, gregkh@linuxfoundation.org, peterz@infradead.org,
mingo@kernel.org, tglx@linutronix.de, bp@suse.de,
karahmed@amazon.de, dwmw@amazon.co.uk, dan.carpenter@oracle.com,
linux-kernel@vger.kernel.org, torvalds@linux-foundation.org,
luto@kernel.org
Subject: [tip:x86/pti] x86/spectre: Fix an error message
Date: Wed, 14 Feb 2018 16:30:19 -0800 [thread overview]
Message-ID: <tip-9de29eac8d2189424d81c0d840cd0469aa3d41c8@git.kernel.org> (raw)
In-Reply-To: <20180214071416.GA26677@mwanda>
Commit-ID: 9de29eac8d2189424d81c0d840cd0469aa3d41c8
Gitweb: https://git.kernel.org/tip/9de29eac8d2189424d81c0d840cd0469aa3d41c8
Author: Dan Carpenter <dan.carpenter@oracle.com>
AuthorDate: Wed, 14 Feb 2018 10:14:17 +0300
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Thu, 15 Feb 2018 01:15:53 +0100
x86/spectre: Fix an error message
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>
---
arch/x86/kernel/cpu/bugs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 4acf16a..d71c8b5 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -174,7 +174,7 @@ static enum spectre_v2_mitigation_cmd __init spectre_v2_parse_cmdline(void)
}
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;
}
}
prev parent reply other threads:[~2018-02-15 0:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-14 7:14 [PATCH] x86/spectre: fix an error message Dan Carpenter
2018-02-14 7:14 ` Dan Carpenter
2018-02-14 7:21 ` Joe Perches
2018-02-14 7:21 ` Joe Perches
2018-02-14 8:36 ` [tip:x86/pti] x86/spectre: Fix " tip-bot for Dan Carpenter
2018-02-15 0:30 ` tip-bot for Dan Carpenter [this message]
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