From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 899ED79E1 for ; Fri, 3 Nov 2023 12:27:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from mail-ot1-f72.google.com (mail-ot1-f72.google.com [209.85.210.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F37B41B2 for ; Fri, 3 Nov 2023 05:27:04 -0700 (PDT) Received: by mail-ot1-f72.google.com with SMTP id 46e09a7af769-6d3251109ebso2380393a34.3 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=flcBK49Q62q86LlBJUNeWzIkzeIShHEiBjModnIElyynFJ1JmLZVlc7TOdeSdpVI/8 zn6t7czXiY2+gqknWCxlQkUp+gQH900YMuSV6dMnQDY5hsL/C1aW932jVr8qoDo9bM5Q S+xr0EMCZBr7zDRIk6Jl5AWwOmvqLfB/hqzp6TbEb9LQ9yDYrNFJCD5ulBm1WbTyX72v 4j0NTnBK0R8cHa+Qy0oHqBZnAuX8htFZjoFI93JJBj0BL7DhzIFetorq6fTPov4Flaby wAeGgrqgpvkobu6qvGoO1UqjPmOy+u6onvSXyKW6moH0X7btCo1Khozr5n3PFRvma/uc CLoQ== X-Gm-Message-State: AOJu0YwlqCqdkvUHc9KE32GaJeCLcjbdDQfm2Ad3Jsl+BI3Nqz2aIfPL 0jQOBBKyeLQuyhNbQB+NF+WmApC0nksHHcMD3xhfab6+fpGn X-Google-Smtp-Source: AGHT+IF432B2k/4JgF8MvDVFRRX/gAgDGc4yukU2jI9h9EJThloFIMpXblHdmi8bUUS4mHAw67tALiKWRT92dEEXtFtICAKoXVO9 Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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" X-Spam-Level: ** 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