Commit 5f1ec1fd authored Oct 12, 2020 by Thomas Gleixner Committed by Borislav Petkov Oct 13, 2020

x86/traps: Fix #DE Oops message regression

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: 9d06c402 ("x86/entry: Convert Divide Error to IDTENTRY")
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/CACT4Y+bTZFkuZd7+bPArowOv-7Die+WZpfOWnEO_Wgs3U59+oA@mail.gmail.com

parent 8b6591fd

arch/x86/kernel/traps.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -195,7 +195,7 @@ static __always_inline void __user error_get_trap_addr(struct pt_regs regs)

		DEFINE_IDTENTRY(exc_divide_error)
		{
		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));
		}