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 X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 915F4C433DF for ; Fri, 5 Jun 2020 04:12:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 67CFD207D3 for ; Fri, 5 Jun 2020 04:12:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591330341; bh=mmrq5v566S0ymXz37EQnEZeSdcsbREkX3mfDgv0rFOE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=GHgeJ/uRJhEVYnlS7gYiN4DntDpiSglY/cjqO32wA3nMthB6wGnT7Her8DkbiJH2P +9Ao8i7zDK0cZC/0jU5QZt1fYBudLR1v+pOU1P8YrZSQzKhl5X3bBTN0lYU4+iLS12 c4nzXptvHdIrcvtOiU5RPEmZUjuWxn4pFeckkRA8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726040AbgFEEMU (ORCPT ); Fri, 5 Jun 2020 00:12:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:51312 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726039AbgFEEMU (ORCPT ); Fri, 5 Jun 2020 00:12:20 -0400 Received: from sol.localdomain (c-107-3-166-239.hsd1.ca.comcast.net [107.3.166.239]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CC6C020738; Fri, 5 Jun 2020 04:12:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591330340; bh=mmrq5v566S0ymXz37EQnEZeSdcsbREkX3mfDgv0rFOE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=fASrVMkR9WFDMrIeOlgmMXrOEkYoX9ubdIQqqTFEHQe/ENUlB8DGsU39N7ZcDplQn /3vxVj0eKjJr2PQlgbhilgD5B3XRUhHyo5ZcAl9CIhIBJccBnLf1ibX8gpvaPI64Is az+tJLmCRGepv8DjJfc0Xmy5HgdoeG3bSbjw06lM= Date: Thu, 4 Jun 2020 21:12:18 -0700 From: Eric Biggers To: Ritesh Harjani Cc: adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, linux-next@vger.kernel.org, sfr@canb.auug.org.au, syzkaller-bugs@googlegroups.com, tytso@mit.edu, syzbot Subject: Re: linux-next test error: BUG: using smp_processor_id() in preemptible [ADDR] code: systemd-rfkill/6728 Message-ID: <20200605041218.GD2667@sol.localdomain> References: <000000000000a7be4a05a74ca69a@google.com> <20200605040220.GB2667@sol.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200605040220.GB2667@sol.localdomain> Sender: linux-next-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org On Thu, Jun 04, 2020 at 09:02:20PM -0700, Eric Biggers wrote: > Introduced by: > > commit 42f56b7a4a7db127a9d281da584152dc3d525d25 > Author: Ritesh Harjani > Date: Wed May 20 12:10:34 2020 +0530 > > ext4: mballoc: introduce pcpu seqcnt for freeing PA to improve ENOSPC handling > Hmm, syzbot reported this several times already. Marking it as a duplicate of the report where the discussion happened: #syz dup: linux-next test error: BUG: using smp_processor_id() in preemptible [ADDR] code: syz-fuzzer/6792 - Eric