linux-kernel - Re: [lkp-robot] [x86/asm] 51bad67ffb: int3:#[##]

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Message-ID: <20180515210757.GA12225@avx2>
Date:   Wed, 16 May 2018 00:07:57 +0300
From:   Alexey Dobriyan <adobriyan@...il.com>
To:     kernel test robot <xiaolong.ye@...el.com>
Cc:     Ingo Molnar <mingo@...nel.org>,
        "H. Peter Anvin" <h.peter.anvin@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andy Lutomirski <luto@...nel.org>,
        Borislav Petkov <bp@...en8.de>,
        Brian Gerst <brgerst@...il.com>,
        Denys Vlasenko <dvlasenk@...hat.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        "H. Peter Anvin" <hpa@...or.com>, tipbuild@...or.com, lkp@...org
Subject: Re: [lkp-robot] [x86/asm]  51bad67ffb: int3:#[##]

On Tue, May 15, 2018 at 04:00:33PM +0800, kernel test robot wrote:

> [   11.182501] Code: 00 00 00 eb e6 cc cc cc cc cc cc cc cc cc cc cc cc cc fa 8d b6 00 00 00 00 e8 5d e8 8f ff 8b 44 24 34 83 e0 03 83 f8 03 72 28 cc <cc> cc cc cc cc cc cc fa 8d b6 00 00 00 00 e8 3d e8 8f ff 89 e0 
> [   11.184326] EIP: ret_from_intr+0xd/0x14 SS:ESP: 0068:8603bfb4

INT3 slipped through M586 => X86_ALIGNMENT_16 :-\