From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 1B31222F856; Mon, 13 Jan 2025 14:39:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736779144; cv=none; b=JmkfVvyZWQq8IqZ0y9e4F78ywFwD8IoeHyXdFwbaJ1p4tnuEVGgDsBi6RDk5PbHvG9oQ8xhPepoeL0CFcZLviyMYZM6B+I1OlTBtQ6qLTPPxvGXHkxEgJnZ7iNkJDCldSNqiVfEFCJ1JLp0VetJ01JksAhPek/KJ8ARzBriOJwQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736779144; c=relaxed/simple; bh=s9fjE9oDzT9N4h25eRsQKPTNrjHuh5bW5JSIu8HyW+4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=a9o75wWJoUEbrcrZGgtkY4Ksvn2wahcbGWUanh6pU3d1mH3e3YugSSTE1VJc39SKTLQ+27zaIrxAvm0pdIRnb36f2TYbagiw2vYoeZzHDrext54I53gTLH9hAgcVFJr0KeUku8V/1oxE3U8aWuG52o6chOojHaPNXheDcPGvD5I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CXeSoBWB; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CXeSoBWB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A2210C4CED6; Mon, 13 Jan 2025 14:39:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1736779143; bh=s9fjE9oDzT9N4h25eRsQKPTNrjHuh5bW5JSIu8HyW+4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CXeSoBWBjwd/aSh2pdFN33d/KprLHIMdKdlJg5LrrII8c6eLTsgoQ2qp3g4Kp/PLP mv1PqfYQyMRYGaY/yY8MSc9YG8yC/F7VbC9ANulHDGGPoLuz/4GKhPF7Da9357/BGf 1DTWTszySGEIv2rZJfBSDkzYyXKTwnHZ9H/9YLaNW9IGh3YWzGhd4ndkYsKV1I4WtD PGnxdOmg/CQteUXmCYAOxsd85XapoNvJ8I5xWUr6a1GwtXV9l3M1u9sqU/+mC3Awwe aFPxeXA9Hkbz/0uYegAD6Md5+gs/uKY1UBYBFIHvy6zfNYhnFcQvFfY4dPjzKzwA0U OjAZOmBitC3CA== Date: Mon, 13 Jan 2025 15:38:57 +0100 From: Christian Brauner To: Kun Hu , Andrey Konovalov , Dmitry Vyukov , jack@suse.cz Cc: jlayton@redhat.com, tytso@mit.edu, adilger.kernel@dilger.ca, david@fromorbit.com, bfields@redhat.com, viro@zeniv.linux.org.uk, christian.brauner@ubuntu.com, hch@lst.de, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Bug: INFO_ task hung in lock_two_nondirectories Message-ID: <20250113-herzhaft-desolat-e4d191b82bdf@brauner> References: <42BD15B5-3C6C-437E-BF52-E22E6F200513@m.fudan.edu.cn> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <42BD15B5-3C6C-437E-BF52-E22E6F200513@m.fudan.edu.cn> On Sun, Jan 12, 2025 at 06:00:24PM +0800, Kun Hu wrote: > Hello, > > When using our customized fuzzer tool to fuzz the latest Linux kernel, the following crash (43s) > was triggered. I think we need to come to an agreement at LSFMM or somewhere else that we will by default ingore but reports from non-syzbot fuzzers. Because we're all wasting time on them.