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Message-Id: <20191127203128.406585408@linuxfoundation.org>
Date:   Wed, 27 Nov 2019 21:30:29 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Borislav Petkov <bp@...e.de>,
        Kees Cook <keescook@...omium.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        "Steven Rostedt (VMware)" <rostedt@...dmis.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 179/306] kernel/panic.c: do not append newline to the stack protector panic string

From: Borislav Petkov <bp@...e.de>

[ Upstream commit 95c4fb78fb23081472465ca20d5d31c4b780ed82 ]

... because panic() itself already does this. Otherwise you have
line-broken trailer:

  [    1.836965] ---[ end Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: pgd_alloc+0x29e/0x2a0
  [    1.836965]  ]---

Link: http://lkml.kernel.org/r/20181008202901.7894-1-bp@alien8.de
Signed-off-by: Borislav Petkov <bp@...e.de>
Acked-by: Kees Cook <keescook@...omium.org>
Cc: Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc: "Steven Rostedt (VMware)" <rostedt@...dmis.org>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 kernel/panic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/panic.c b/kernel/panic.c
index 72e001e3753e3..8138a676fb7d1 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -636,7 +636,7 @@ device_initcall(register_warn_debugfs);
  */
 __visible void __stack_chk_fail(void)
 {
-	panic("stack-protector: Kernel stack is corrupted in: %pB\n",
+	panic("stack-protector: Kernel stack is corrupted in: %pB",
 		__builtin_return_address(0));
 }
 EXPORT_SYMBOL(__stack_chk_fail);
-- 
2.20.1



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