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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,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 63A24C3A5A7 for ; Tue, 3 Sep 2019 07:31:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 30BF322D6D for ; Tue, 3 Sep 2019 07:31:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=szeredi.hu header.i=@szeredi.hu header.b="H3mEkOYV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727625AbfICHbl (ORCPT ); Tue, 3 Sep 2019 03:31:41 -0400 Received: from mail-io1-f68.google.com ([209.85.166.68]:43204 "EHLO mail-io1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727781AbfICHbl (ORCPT ); Tue, 3 Sep 2019 03:31:41 -0400 Received: by mail-io1-f68.google.com with SMTP id u185so29875722iod.10 for ; Tue, 03 Sep 2019 00:31:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=szeredi.hu; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=WQcHjUhIyykvxyf0B5rmcg1PJO8P3FdNmL23LoF1Prw=; b=H3mEkOYVFqhNV+UoiQWONlrqjx1bROERrYWrdH5nAJT0J2aP5wqBZ/0zFPdSRA2co8 zheeJZDY4Z7xi1cFcCbH+BtZLk0jNuT8nDT5L5Fqk5E6SWCee21F2rT/Jm5KqFmuGG88 81VqtVfZq8W/YamTp9w5pfn6bjp+LOBgKqC1c= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=WQcHjUhIyykvxyf0B5rmcg1PJO8P3FdNmL23LoF1Prw=; b=RvdSYNi5zmqr5m1OGcv6aam39f5OamL3/nVcywuv7GlYOemAcMcwZhikVCaJBnBmgD LvTyh6gMJM2g9eTAgZpCkaf1G9gDDFlJN6puFL1TzwGR7+v3a6y09/hEE5GBF+dNkqzf n9Fv22IEU57aSgmZRqIHgvJKRjhNqdeB1ETv1ApIdO2CYSVdsoxAkBIeWesIZLTwNO0V q4DVeGdDoWGo6Ejwfll/UtqyqlrepU5272mQLWtKyTjp4/rU5fpldb9mN2TN2VttQOZx fCDj/MPricKejOQxvRDYBczWjX0kewD05IQGfqsLoAl77guwamrsVzWq3WyuuCTe4ybY L/Aw== X-Gm-Message-State: APjAAAXDNvkhUJQPex3ud7YScUj2JET+iTiEZKyYgry9CfhPLzfqp6bP ZF7IRbZGHOQX3ZJ5PLS6ljyf0mLfF7wji85itQ0uUUwr X-Google-Smtp-Source: APXvYqzCCZd8wb8XYWpHZ79t+YRe/yJvetmgBZ/bUXD37N+JpwrIqN065yTsFZRINx9dnoBuaycQwH/36BlLS6YAkmk= X-Received: by 2002:a05:6638:3af:: with SMTP id z15mr35450863jap.39.1567495900451; Tue, 03 Sep 2019 00:31:40 -0700 (PDT) MIME-Version: 1.0 References: <0000000000008d8eac05906691ac@google.com> <20190822233529.4176-1-ebiggers@kernel.org> In-Reply-To: <20190822233529.4176-1-ebiggers@kernel.org> From: Miklos Szeredi Date: Tue, 3 Sep 2019 09:31:29 +0200 Message-ID: Subject: Re: [PATCH] fuse: disable irqs for fuse_iqueue::waitq.lock To: Eric Biggers Cc: linux-fsdevel@vger.kernel.org, linux-aio , Benjamin LaHaise , syzkaller-bugs , stable , Christoph Hellwig Content-Type: text/plain; charset="UTF-8" Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Fri, Aug 23, 2019 at 1:35 AM Eric Biggers wrote: > > From: Eric Biggers > > When IOCB_CMD_POLL is used on the FUSE device, aio_poll() disables IRQs > and takes kioctx::ctx_lock, then fuse_iqueue::waitq.lock. Not in -linus. Which tree was this reproduced with? Thanks, Miklos