From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DFD7B3016F1 for ; Mon, 1 Dec 2025 10:18:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764584284; cv=none; b=OVzrT7RL5rQba/sFxHWE4vyFeQM4myb7QUSghLzL5ErARe65BpUDo2jFWtXuTmatOoq5fwq4Yx+jJB6nTcxS35ovgZ18s0/TbiMLaMFI1KgCug9GktZzcLvF9ULAG11CyMpvJAR02IhzVqjuqxdIExzGUApw87mWpFxAkFPB5Qc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764584284; c=relaxed/simple; bh=qYjhE5H+tepDnQR/NdXpP5gvxFSCnek9nanqQJNe0go=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Ft4JGyuAz7Nxkc6dnS8rsGtSPSjoiHabugMYVG8lQKqzLEp2VNvTvYrz2yOA2oyeIocootrETsBD8EzVy1rPuq9nJq/W/wHESs9Sdw5LMdDnY7lDsb/uc5YWiCDytlUI0avwJ5mkJlDWLyLdgdNHP+ucY+ofxKPydt8SeK0yFAo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.71 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f71.google.com with SMTP id ca18e2360f4ac-948ff1d169eso262994239f.2 for ; Mon, 01 Dec 2025 02:18:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1764584282; x=1765189082; 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=kSD+sE6WJY+88YLTFb+oiMUjRjH3fxhhKy5ySSu+aFo=; b=mYE09cl7/A2zi8d14itodhvesAZTn4wWP7yGsDvQskwCFxoicliTtOpVv0Ai1sTD63 +3lRjc+Nxz/q1nE+yOrsXxJ2A2Vd3Thyx3gO/4/azC5Nw0qDVPjYNksPnRVkloc/H5Rp KE0BpTXJvgut34YfoSm0xzMRr1AcqEDWkPC34Fm7lclZfRdI3gXF/JoRtXY9kz93/Ev0 xtHJ5RAnUduxUxoq2DuSMinTyvlxHS54FgWtoCt6TuZvbFwRtCSmMekglUME7h3OAdPI K1WHKMGhxJskvkDwJYP3N3ggdlVKWU3vDcKfkiZLtzqy5sf6LXG7Afo+tN7+A93G9tVr 03vA== X-Forwarded-Encrypted: i=1; AJvYcCWaItqAHm7Ua+4UQ03CEdsdR584uDFfI4lXQlzyef/7bQjmF/cghDUnKU1lXVs5Kvk4AwGGNlm88Luw0XgJ@vger.kernel.org X-Gm-Message-State: AOJu0YwFSvl7QE40UMh66ZhZCsZ04RBeARztwdzpOYuxEHK4WICAZp+U 9E4JLlws80/eASOngoXIeMr/PYl7dP+/QJ6Cz1tIy3pFnBX9omybls8VMogzYUmTY7BeXS5QPLI VP1uBoCLNh1bpduotRXdyn0MC8m0LIdxb+6MKh7uOwKX+8M4TcYmtl9MQ1vc= X-Google-Smtp-Source: AGHT+IF7XHa4xKbbMTUcDRlaiHw8odsMwQjNRahHEl/nAczVPFt9/Ga/mhJjYvO6JImrwnjh/URNAPkJSwQuE3tsHrjmtYHV+JkU Precedence: bulk X-Mailing-List: linux-unionfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:11d7:b0:5b7:267c:35c7 with SMTP id 8926c6da1cb9f-5b9995d68acmr15730270173.2.1764584281993; Mon, 01 Dec 2025 02:18:01 -0800 (PST) Date: Mon, 01 Dec 2025 02:18:01 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <692d6b59.a70a0220.d98e3.0182.GAE@google.com> Subject: Re: [syzbot] [overlayfs?] WARNING in fast_dput From: syzbot To: amir73il@gmail.com, brauner@kernel.org, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-unionfs@vger.kernel.org, miklos@szeredi.hu, neil@brown.name, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+b74150fd2ef40e716ca2@syzkaller.appspotmail.com Tested-by: syzbot+b74150fd2ef40e716ca2@syzkaller.appspotmail.com Tested on: commit: 7d0a66e4 Linux 6.18 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10b5c192580000 kernel config: https://syzkaller.appspot.com/x/.config?x=859bdb453c94e06c dashboard link: https://syzkaller.appspot.com/bug?extid=b74150fd2ef40e716ca2 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.