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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A41CFC4332F for ; Fri, 3 Nov 2023 12:27:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1376328AbjKCM1N (ORCPT ); Fri, 3 Nov 2023 08:27:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57442 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1376270AbjKCM1L (ORCPT ); Fri, 3 Nov 2023 08:27:11 -0400 Received: from mail-ot1-f72.google.com (mail-ot1-f72.google.com [209.85.210.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F33081A8 for ; Fri, 3 Nov 2023 05:27:04 -0700 (PDT) Received: by mail-ot1-f72.google.com with SMTP id 46e09a7af769-6ce37a2b2e9so2469068a34.0 for ; Fri, 03 Nov 2023 05:27:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699014424; x=1699619224; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=lbURBXZ/3HBo11neS1hBFiZneNWug5j0JM5oUnIOIkc=; b=PTw3B7vfJ6YXswSJ7f9JYaYgRk5gklX7B7fVvW4sJ9NHEN1cJW97KxrnKuqfW/hl7S Dve7Off/BTRzN/iQTOuTfZXQnmfP/M+ZKwFc83L6wypI9PypKzp4tox3qvUP/t2uui4J 1LwY+m9CPiUb9WzseahovPr2JTGCwqLaPQAwJp1fEUA6yNyDBRIyaDR4gzRljGvUsaf6 mZkg7IUeaBx7V519PgmXiQ1fDP0sxvxK54yp9apHa8Pde2LZE+7ZJYe35obASapGnImZ 4zFQwyrQlQp4OeF5KTXk7IW36cD1krukjdWYWbPJOzArNcgrBcGOXFo4tfpn/HnZFmx/ G/AQ== X-Gm-Message-State: AOJu0YyZ7q6Wtx0Yb1spcufQHilyyRh2Yy2LmJF+jmAhjuqkQTFpu5qY i1R1V1UMo5Ab/RRlM9l0stwUpv1b9rwRWMZiyTtusRXyhDHU X-Google-Smtp-Source: AGHT+IF432B2k/4JgF8MvDVFRRX/gAgDGc4yukU2jI9h9EJThloFIMpXblHdmi8bUUS4mHAw67tALiKWRT92dEEXtFtICAKoXVO9 MIME-Version: 1.0 X-Received: by 2002:a05:6870:a11a:b0:1ea:85b:62a3 with SMTP id m26-20020a056870a11a00b001ea085b62a3mr10048223oae.1.1699014424405; Fri, 03 Nov 2023 05:27:04 -0700 (PDT) Date: Fri, 03 Nov 2023 05:27:04 -0700 In-Reply-To: <000000000000af7bd706084b7cb2@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000003c325306093e9f25@google.com> Subject: Re: [syzbot] [exfat?] INFO: task hung in fat_write_inode From: syzbot To: akpm@linux-foundation.org, brauner@kernel.org, hirofumi@mail.parknet.co.jp, linkinjeon@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, sj1557.seo@samsung.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk, willy@infradead.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit fb96458067a8043c256befe4bfe4fb3ebc81de1b Author: Matthew Wilcox (Oracle) Date: Mon Oct 16 20:10:48 2023 +0000 buffer: return bool from grow_dev_folio() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=154b4ef7680000 start commit: 2dac75696c6d Add linux-next specific files for 20231018 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=174b4ef7680000 console output: https://syzkaller.appspot.com/x/log.txt?x=134b4ef7680000 kernel config: https://syzkaller.appspot.com/x/.config?x=6f8545e1ef7a2b66 dashboard link: https://syzkaller.appspot.com/bug?extid=6f75830acb2e4cdc8e50 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=148fed9d680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1019f523680000 Reported-by: syzbot+6f75830acb2e4cdc8e50@syzkaller.appspotmail.com Fixes: fb96458067a8 ("buffer: return bool from grow_dev_folio()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection