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=-5.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, 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 9A371C43381 for ; Wed, 27 Mar 2019 03:53:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6B7E12082F for ; Wed, 27 Mar 2019 03:53:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731752AbfC0DxC (ORCPT ); Tue, 26 Mar 2019 23:53:02 -0400 Received: from mail-it1-f199.google.com ([209.85.166.199]:44150 "EHLO mail-it1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727511AbfC0DxC (ORCPT ); Tue, 26 Mar 2019 23:53:02 -0400 Received: by mail-it1-f199.google.com with SMTP id v193so7546467itv.9 for ; Tue, 26 Mar 2019 20:53:01 -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=kudxy8LgWOfYbiooThutQr1TsGbNOEe8MM9P8aspsJ0=; b=BrGq25O1BpsS/8fA7w4hTLqkMeS3Rib5Nef7JuyEFON5kqj5BMRP1MWltDtfraDiOi aH6KGsMFMslFm/QQiBR+N8fVt5tcLPNE1S195iIgHlKJ8wd0NXEiHejh9LOn1bTmd5rF e21vTo1KyGfIs2mtOLupSROfyeWrejm39gQUg8ZYpyEmGA69fRjwZk5+cxAcDoAaxTEP Qv1MH04Y4QqLPYEmT1gVtHLS6CwgddpinVYkGFbasfdCsfQ6g1PeAnpASFMO2PJkm+cp MEgs4ueGk0veqpTcNo5x+1JURLQSKwd0uEQXYTEbZ/NikZjv2F3pP763s8ASiborws9b eUwQ== X-Gm-Message-State: APjAAAX6HxSoWRCcU3CknevkccToGgFFTPZYPltqsVRg8vV8FffWJN0Q saPwCaFFDFJmPDQNozqE7aaLXC2tI7OLW1TYv/MN9h7lUXED X-Google-Smtp-Source: APXvYqzMAViz+gbznAG3X5seqGLgEVuRM2TmDaWEPJYGFtpqRw6nYhhe7Ynq7ysuixhWEGUT21de0fl5JaBFm8dOMymDeQqJY2GX MIME-Version: 1.0 X-Received: by 2002:a02:e04:: with SMTP id 4mr25129203jae.75.1553658781438; Tue, 26 Mar 2019 20:53:01 -0700 (PDT) Date: Tue, 26 Mar 2019 20:53:01 -0700 In-Reply-To: <0000000000007dedf00576dd53eb@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c51f7505850b5f3e@google.com> Subject: Re: possible deadlock in acct_pin_kill From: syzbot To: akpm@linux-foundation.org, gregkh@linuxfoundation.org, kstewart@linuxfoundation.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mark.rutland@arm.com, mszeredi@redhat.com, oleg@redhat.com, paulmck@linux.vnet.ibm.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org syzbot has bisected this bug to: commit e950564b97fd0f541b02eb207685d0746f5ecf29 Author: Miklos Szeredi Date: Tue Jul 24 13:01:55 2018 +0000 vfs: don't evict uninitialized inode bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12123143200000 start commit: da5322e6 Merge tag 'selinux-pr-20181115' of git://git.kern.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=11123143200000 console output: https://syzkaller.appspot.com/x/log.txt?x=16123143200000 kernel config: https://syzkaller.appspot.com/x/.config?x=d86f24333880b605 dashboard link: https://syzkaller.appspot.com/bug?extid=2a73a6ea9507b7112141 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12298533400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17ff545d400000 Reported-by: syzbot+2a73a6ea9507b7112141@syzkaller.appspotmail.com Fixes: e950564b97fd ("vfs: don't evict uninitialized inode") For information about bisection process see: https://goo.gl/tpsmEJ#bisection