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=unavailable 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 0686FECE599 for ; Thu, 17 Oct 2019 02:42:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D12C22053B for ; Thu, 17 Oct 2019 02:42:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2407367AbfJQCmJ (ORCPT ); Wed, 16 Oct 2019 22:42:09 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:46169 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388198AbfJQCmD (ORCPT ); Wed, 16 Oct 2019 22:42:03 -0400 Received: by mail-io1-f69.google.com with SMTP id t11so1126308ioc.13 for ; Wed, 16 Oct 2019 19:42:01 -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:in-reply-to:message-id:subject :from:to; bh=7h0gQqNrYRzsWj9R4CAYCu9XOxzaPAZTOTXlm38+fvI=; b=Bs/7MerbKYQdHlAShORbTI07Jf67NALRJCIlwsVlhwupDS7WzM/QDrqPeIm70ePOKq vOA2rdWckCvqoh5yTBgsRo/u6Zu8VtQQH0QP8C5zQYoUiEamm18h+xHIBr8vPaBon/Mp Jv+vcp5vt9RxncKn9TVVSY3FyhF7eKGX4WPVjtnQ84LJubLIXp9MYiSCsABsFPeuNKwZ UE5p8NFPbPB9j07MBObWAzwNZGIU6reXg7i4q59GYZM5Uc3LT7JviEY2LkJVeCQJ66HT q0bnfftktGMkR5zlZus9P7sWbyIVcZc1Yr5QzMuR+YgbbTHBUYuuPcU+FIRd9lLNorCF exEA== X-Gm-Message-State: APjAAAXXVG3ij0zUFCvacztrcRn05Tp8pNCMEbtfRmmJk5srYR93K0xI iAa0r1OceixHrvSTPQYKhRv1XfLWNMtIGwKO0R0Ghu30DaV5 X-Google-Smtp-Source: APXvYqxm/PZKRcr2VOn2bSEPROOTxJZd4s/gFYz6yxRyhamcXwHcbHmC0uB12SwLAgbX/bUP1WUzw8YXMpgkcwGIQdZ6LiO9FDXe MIME-Version: 1.0 X-Received: by 2002:a92:3b8b:: with SMTP id n11mr1162464ilh.135.1571280120830; Wed, 16 Oct 2019 19:42:00 -0700 (PDT) Date: Wed, 16 Oct 2019 19:42:00 -0700 In-Reply-To: <000000000000830fe50595115344@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000071e2fc05951229ad@google.com> Subject: Re: WARNING: refcount bug in find_key_to_update From: syzbot To: aou@eecs.berkeley.edu, dhowells@redhat.com, jarkko.sakkinen@linux.intel.com, jmorris@namei.org, keyrings@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-security-module@vger.kernel.org, palmer@sifive.com, serge@hallyn.com, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: syzbot has bisected this bug to: commit 0570bc8b7c9b41deba6f61ac218922e7168ad648 Author: Linus Torvalds Date: Thu Jul 18 19:26:59 2019 +0000 Merge tag 'riscv/for-v5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11b6e2bb600000 start commit: bc88f85c kthread: make __kthread_queue_delayed_work static git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=13b6e2bb600000 console output: https://syzkaller.appspot.com/x/log.txt?x=15b6e2bb600000 kernel config: https://syzkaller.appspot.com/x/.config?x=e0ac4d9b35046343 dashboard link: https://syzkaller.appspot.com/bug?extid=6455648abc28dbdd1e7f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11c8adab600000 Reported-by: syzbot+6455648abc28dbdd1e7f@syzkaller.appspotmail.com Fixes: 0570bc8b7c9b ("Merge tag 'riscv/for-v5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux") For information about bisection process see: https://goo.gl/tpsmEJ#bisection