From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 052A0C48BD5 for ; Tue, 25 Jun 2019 21:47:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D35AB2084B for ; Tue, 25 Jun 2019 21:47:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726544AbfFYVrJ (ORCPT ); Tue, 25 Jun 2019 17:47:09 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:53024 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726468AbfFYVrI (ORCPT ); Tue, 25 Jun 2019 17:47:08 -0400 Received: by mail-io1-f71.google.com with SMTP id p12so28033463iog.19 for ; Tue, 25 Jun 2019 14:47:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=yOoMpaVT6dXrWDNYoDhSc/rJDkj0e0b8QMQijEfQWZE=; b=r9DdrN4yyJKcrv3njAUmcH8pqsKEbKYHOE1337Yrm32TMmmlPKqIHCpF09PXjQuD0n 2hJD6xRI0DyVuDmk7tCXxzqpIoXpibIEMiwmr8t5El5MZnjxKESEhTQJYATiaVTgdUrT Pzhm9VuZ7vNE7zdNP0TDkkXfH+AZd+uRL00TOhgvVhmkzzYqhddfWUt6PFDxLDbyjXz2 nnFCNW/+eJYnf/pg05Vdb+RhH6pi6XEGEClF3vb9kilDA/rykgNxAdt8pbWnjez/MkOH Fu77+vFVZGpG0IRAF8knPdyZuBYxto8TeOqmifkhfMIUQnt9Oe1Osx2TjAONGF/Zp4Sc v4PQ== X-Gm-Message-State: APjAAAV6Xl55uZj7xVuHVJiuKNafRELGHjGDLzGEDuX04bPMy6OTlgF5 hc/BloGfyLiQ3kIS7X2f0Sl3exPtEDrmFUAMaODkQ/fjLc8K X-Google-Smtp-Source: APXvYqyU1bxNICbJ8wES5sEXzxyS4g5ky0U0eMrzt2+0Hx2a7cmFllMtVHCMyUaMViswWU1qNtYw1qyRQRN2aVKMz96o+CWBaG/+ MIME-Version: 1.0 X-Received: by 2002:a02:5a89:: with SMTP id v131mr629757jaa.130.1561499227626; Tue, 25 Jun 2019 14:47:07 -0700 (PDT) Date: Tue, 25 Jun 2019 14:47:07 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c7a272058c2cde21@google.com> Subject: kernel panic: stack is corrupted in validate_chain From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 249155c2 Merge branch 'parisc-5.2-4' of git://git.kernel.o.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12a4572da00000 kernel config: https://syzkaller.appspot.com/x/.config?x=9a31528e58cc12e2 dashboard link: https://syzkaller.appspot.com/bug?extid=6ba34346b252f2d497c7 compiler: clang version 9.0.0 (/home/glider/llvm/clang 80fee25776c2fb61e74c1ecb1a523375c2500b69) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=135e34eea00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+6ba34346b252f2d497c7@syzkaller.appspotmail.com Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: validate_chain+0x69fc/0x84f0 kernel/locking/lockdep.c:161 CPU: 0 PID: 8300 Comm: syz-executor.4 Not tainted 5.2.0-rc6+ #7 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: Shutting down cpus with NMI Kernel Offset: disabled Rebooting in 86400 seconds.. --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches