49 lines
1.6 KiB
Diff
49 lines
1.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Josh Poimboeuf <jpoimboe@redhat.com>
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Date: Mon, 18 Sep 2017 21:43:32 -0500
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Subject: [PATCH] x86/head: Remove unused 'bad_address' code
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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CVE-2017-5754
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It's no longer possible for this code to be executed, so remove it.
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Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
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Cc: Andy Lutomirski <luto@kernel.org>
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Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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Cc: Jiri Slaby <jslaby@suse.cz>
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Cc: Juergen Gross <jgross@suse.com>
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Cc: Linus Torvalds <torvalds@linux-foundation.org>
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Cc: Peter Zijlstra <peterz@infradead.org>
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Cc: Thomas Gleixner <tglx@linutronix.de>
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Link: http://lkml.kernel.org/r/32a46fe92d2083700599b36872b26e7dfd7b7965.1505764066.git.jpoimboe@redhat.com
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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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(cherry picked from commit a8b88e84d124bc92c4808e72b8b8c0e0bb538630)
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Signed-off-by: Andy Whitcroft <apw@canonical.com>
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Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
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(cherry picked from commit d790ff35a3a49ef0942a3484f024551433fd2ddf)
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Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
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---
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arch/x86/kernel/head_64.S | 3 ---
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1 file changed, 3 deletions(-)
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diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
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index 627c798b2f15..37d9905d38d6 100644
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--- a/arch/x86/kernel/head_64.S
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+++ b/arch/x86/kernel/head_64.S
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@@ -249,9 +249,6 @@ ENDPROC(start_cpu0)
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.quad init_thread_union + THREAD_SIZE - SIZEOF_PTREGS
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__FINITDATA
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-bad_address:
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- jmp bad_address
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-
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__INIT
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ENTRY(early_idt_handler_array)
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i = 0
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--
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2.14.2
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