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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6EF81C433F5 for ; Fri, 29 Oct 2021 13:34:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4ED1D61165 for ; Fri, 29 Oct 2021 13:34:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231676AbhJ2Ngb (ORCPT ); Fri, 29 Oct 2021 09:36:31 -0400 Received: from smtp-out2.suse.de ([195.135.220.29]:52640 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231401AbhJ2Ng3 (ORCPT ); Fri, 29 Oct 2021 09:36:29 -0400 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id B775B1FC9E; Fri, 29 Oct 2021 13:33:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1635514439; h=from:from:reply-to:reply-to:date:date:message-id:message-id:to:to: cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=jl+bk6+eFqkkIxbeVoT6nkNE8xjpi1eRKvfCaKzhgHw=; b=hLu4nUYtQggXol6e9hsPeWfj1mijk0IW6t+46XN1ugzXSbJWBMVw2bf+lIEVWuKb/ukmjB MIQSTw64OdMlF2lDIk8kxxwvF43u9PTVaPGRI0/uEMIYMVx7ZBQqk8ory4OuG5ylsVc8lk IQC9M5nbkUTMf+Urf0E8TuS76Pb6hGg= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1635514439; h=from:from:reply-to:reply-to:date:date:message-id:message-id:to:to: cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=jl+bk6+eFqkkIxbeVoT6nkNE8xjpi1eRKvfCaKzhgHw=; b=dcQDoKfiw5tnAAGMsNnLzyg7nayGOpiAab9xOUxKUnDTx37ugTANyc79efOo3lnHd614BL Y/Wi2zkfei/sYSBg== Received: from ds.suse.cz (ds.suse.cz [10.100.12.205]) by relay2.suse.de (Postfix) with ESMTP id AA9A8A3B84; Fri, 29 Oct 2021 13:33:59 +0000 (UTC) Received: by ds.suse.cz (Postfix, from userid 10065) id AF194DA7A9; Fri, 29 Oct 2021 15:33:26 +0200 (CEST) Date: Fri, 29 Oct 2021 15:33:26 +0200 From: David Sterba To: Filipe Manana Cc: Hao Sun , Chris Mason , David Sterba , Josef Bacik , linux-btrfs , Qu Wenruo , Linux Kernel Mailing List Subject: Re: INFO: task hung in btrfs_search_slot Message-ID: <20211029133326.GB20319@twin.jikos.cz> Reply-To: dsterba@suse.cz Mail-Followup-To: dsterba@suse.cz, Filipe Manana , Hao Sun , Chris Mason , David Sterba , Josef Bacik , linux-btrfs , Qu Wenruo , Linux Kernel Mailing List References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23.1-rc1 (2014-03-12) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 27, 2021 at 04:34:37PM +0100, Filipe Manana wrote: > On Wed, Oct 27, 2021 at 2:08 PM Hao Sun wrote: > > > > Hello, > > > > When using Healer to fuzz the latest Linux kernel, the following crash > > was triggered. > > This is the same deadlock you reported 3 weeks ago here: > > https://lore.kernel.org/linux-btrfs/CACkBjsax51i4mu6C0C3vJqQN3NR_iVuucoeG3U1HXjrgzn5FFQ@mail.gmail.com/ > > There's a fix in the integration branch (David's misc-next branch), > but it's not yet in any released kernel and not in Linus' tree as > well: > > https://lore.kernel.org/linux-btrfs/cover.1634115580.git.fdmanana@suse.com/ It'll go to 5.15 pull and the fix is tagged for 5.14 stable so it'll be in some release in the 5.15-rc1 timeframe.