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=-8.7 required=3.0 tests=BAYES_00,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 6BD2EC4332E for ; Thu, 7 Jan 2021 07:04:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4210C22EBF for ; Thu, 7 Jan 2021 07:04:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726671AbhAGHDu (ORCPT ); Thu, 7 Jan 2021 02:03:50 -0500 Received: from mail-io1-f69.google.com ([209.85.166.69]:34255 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726433AbhAGHDt (ORCPT ); Thu, 7 Jan 2021 02:03:49 -0500 Received: by mail-io1-f69.google.com with SMTP id r16so3952694ioa.1 for ; Wed, 06 Jan 2021 23:03:34 -0800 (PST) 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=Ucf7AyuSHfh9bNDOrZnScHCuoM7E4jcmLmsdWXty8X4=; b=Bgu0INK7dgnJFUQAoW8jtAjxnXOnWRsgY9YWj6gGKXNle7D4CUa0mSYnpmiVz8wlvY huFzbLZzSMnXNxFFLninLOhu/7q8efVJ5He0/1PjDAK/Us11n1/0qtrUo3TJBaq6tUOH FfClimGPIJf7Y5BDvPoXbuADpGFzr37rDODFH6yKpbsQVd+uSXvFiEM6x+cEofNocRgC YWRI2GBzjHweWZatt38IyN3HVxi4Dj/38ZgdD95eN1FR/EDyimPk3mn58C2NKkau6DXx J+WG57/NSpgLdBvMNe4JZ3BsaNTuZqR+Q2qEhfezbuwocCPsWV8O+Y77ncmo38MPIcsz DmCA== X-Gm-Message-State: AOAM533vAmm/uNGtOTEzJQsB3PLhuny265tcdwLI+Z1x+RbW/6J0ZjJ1 fuHKfFb0JQ+kQvl3G81v8/YTZLadBZJZYYdeAqnJplP/6qdM X-Google-Smtp-Source: ABdhPJzgOkTOlqWPD2AGLe7feZpqc5+9HIgYLKJhdyUMDa2mEIf5pnZwLJ95GDYSTEs+PSnnMgoCQgILv3fejmAGALojWIbaQ1VK MIME-Version: 1.0 X-Received: by 2002:a6b:3b92:: with SMTP id i140mr300092ioa.49.1610002989029; Wed, 06 Jan 2021 23:03:09 -0800 (PST) Date: Wed, 06 Jan 2021 23:03:09 -0800 In-Reply-To: <000000000000209d7205a7c7ab09@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000003fa24b05b84a0886@google.com> Subject: Re: INFO: task hung in do_truncate (2) From: syzbot To: adobriyan@gmail.com, akpm@linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit dfefd226b0bf7c435a58d75a0ce2f9273b9825f6 Author: Alexey Dobriyan Date: Tue Dec 15 03:15:03 2020 +0000 mm: cleanup kstrto*() usage bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=111aa0cf500000 start commit: 7ae77150 Merge tag 'powerpc-5.8-1' of git://git.kernel.org.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=d195fe572fb15312 dashboard link: https://syzkaller.appspot.com/bug?extid=18b2ab4c697021ee8369 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15cec296100000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=153a741e100000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: mm: cleanup kstrto*() usage For information about bisection process see: https://goo.gl/tpsmEJ#bisection