From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752030AbeEOWud (ORCPT ); Tue, 15 May 2018 18:50:33 -0400 Received: from mail-wm0-f65.google.com ([74.125.82.65]:56009 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751104AbeEOWuc (ORCPT ); Tue, 15 May 2018 18:50:32 -0400 X-Google-Smtp-Source: AB8JxZq00w3VsA5xNwwRB/9Rw3uMm3pN/hDJfZi4a1dXqGiJqTqHbzSqbgMg/S4b1oCMMzUQEssOxA== Date: Wed, 16 May 2018 01:50:28 +0300 From: Alexey Dobriyan To: Linus Torvalds Cc: Peter Anvin , kernel test robot , Ingo Molnar , Thomas Gleixner , Andrew Lutomirski , Borislav Petkov , Brian Gerst , Denys Vlasenko , Josh Poimboeuf , Peter Zijlstra , Linux Kernel Mailing List , Peter Anvin , tipbuild@zytor.com, LKP Subject: Re: [lkp-robot] [x86/asm] 51bad67ffb: int3:#[##] Message-ID: <20180515225028.GA21902@avx2> References: <20180515080033.GA7714@yexl-desktop> <20180515210757.GA12225@avx2> <20180515214337.GA18021@avx2> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 15, 2018 at 03:27:34PM -0700, Linus Torvalds wrote: > On Tue, May 15, 2018 at 2:43 PM Alexey Dobriyan wrote: > > > It crashed into the middle of the padding. > > No, the beginning of the padding. "int3" will push the return address on > the stack, so when it points to the second 'int3' instruction, it's because > the first one triggered. Sending i386 patches should not be done that late... I checked 32-bit asm as well.