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Date:   Sat, 31 Oct 2020 12:36:23 +0100
From:   Greg Kroah-Hartman <>
Cc:     Greg Kroah-Hartman <>,, Dmitry Vyukov <>,
        Thomas Gleixner <>
Subject: [PATCH 5.8 51/70] x86/traps: Fix #DE Oops message regression

From: Thomas Gleixner <>

commit 5f1ec1fd32252af5130dac23b5542e8e66fe0bcb upstream.

The conversion of #DE to the idtentry mechanism introduced a change in the
Ooops message which confuses tools which parse crash information in dmesg.

Remove the underscore from 'divide_error' to restore previous behaviour.

Fixes: 9d06c4027f21 ("x86/entry: Convert Divide Error to IDTENTRY")
Reported-by: Dmitry Vyukov <>
Signed-off-by: Thomas Gleixner <>
Signed-off-by: Greg Kroah-Hartman <>

 arch/x86/kernel/traps.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -196,7 +196,7 @@ static __always_inline void __user *erro
-	do_error_trap(regs, 0, "divide_error", X86_TRAP_DE, SIGFPE,
+	do_error_trap(regs, 0, "divide error", X86_TRAP_DE, SIGFPE,
 		      FPE_INTDIV, error_get_trap_addr(regs));

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