Received: by 2002:a05:6a10:eb17:0:0:0:0 with SMTP id hx23csp3832115pxb; Tue, 7 Sep 2021 08:30:28 -0700 (PDT) X-Google-Smtp-Source: ABdhPJy4VCfZR3CuJKwSlHd9mY32FmWeblVP20olHc9WSDe8vnRLnDTa91J5m+XmAnXFlkijlf/L X-Received: by 2002:a5e:c905:: with SMTP id z5mr14507510iol.33.1631028628045; Tue, 07 Sep 2021 08:30:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1631028628; cv=none; d=google.com; s=arc-20160816; b=LHck0MDUM14oGtYA3qRJSet1tE7Y6qnCrew62AvBiphg9/Sg6YPG6FEDhfqKvNwPrQ kourlfLa6YCeXr2UMjIV6ypr3Zz9D32OC8HHSoVh3ahywBLjMi0i8yJO05RGgP3DGR49 VsarWlfeC1WXjY9C3yr+oRYLLGohXUZ4Y8CGuWuF3FxziRD8H8zVBJl8sYlGmIPswhjE couNdzTNTob2j0lr7Gmg8tNqFyHU1gk47jrPmxCYcMCPL33fy+EIuASbwkYdIUivfboS niUu19hL8OWgG0syUPqpz83QPLSZ5j24S9qfDPfHzExCHR6XM/0H5b2CXeVfgcm9+IUv sfzQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:subject:message-id:date:from:in-reply-to :references:mime-version:dkim-signature; bh=gfHP2sgThQg8v8lbN+JggZp2tkzNElpWzdFKXLFCG6Q=; b=ALSMEZxYoYxWLorGS6kqk2D0D9DQXyhIpAWIxOy6WkfOguqQqzfCi+cTcsZ4oPqMVb CSoMT9YOCgzyTu+qeh3Zm7QU4pX+Vg3QONGWcxUq1KYuVKWWZMiwcFCvqie3eL/Txxqr SKEKtpcXyxxMkrMOflMti8JAew5eQr7jlmhcPjcyOF0qOp5SubHNRfOe4dTGp1uiCcvC M+4vXhuRdVDCBxtINILtWQxCq3OQ97CJN6t//dYwj8WfzU/b+WKrusKscrk3lntKyhUO SlfLAhmhCLjStzURxlCxZ73t7T8j/yx/SjYU0hb3PybQOKwa5VNyXFGBPdszhSyk4x4p E2Dw== ARC-Authentication-Results: i=1; mx.google.com; dkim=temperror (no key for signature) header.i=@szeredi.hu header.s=google header.b=CjL6dPNn; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id j19si13411150jat.113.2021.09.07.08.30.12; Tue, 07 Sep 2021 08:30:28 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=temperror (no key for signature) header.i=@szeredi.hu header.s=google header.b=CjL6dPNn; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345220AbhIGP0Q (ORCPT + 99 others); Tue, 7 Sep 2021 11:26:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56046 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345209AbhIGP0P (ORCPT ); Tue, 7 Sep 2021 11:26:15 -0400 Received: from mail-ua1-x92e.google.com (mail-ua1-x92e.google.com [IPv6:2607:f8b0:4864:20::92e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3D576C061575 for ; Tue, 7 Sep 2021 08:25:09 -0700 (PDT) Received: by mail-ua1-x92e.google.com with SMTP id x23so5763202uav.3 for ; Tue, 07 Sep 2021 08:25:09 -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=gfHP2sgThQg8v8lbN+JggZp2tkzNElpWzdFKXLFCG6Q=; b=CjL6dPNn7z3OXHGFEWoI6jzNsXPr5UxuLKeWIUNRcv+4BVTpWYG3/Uhuy6WxSQX+5a zCAZFfkFMA2rVvsG+osJcjlvLByKHuE4Mf9hlernIpqK8Ptrxcd7l4DCITyB85wt8yUd 9+Ow4qpzjpH2yODj7NoeC+N3GQd/EqTxTQsaw= 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=gfHP2sgThQg8v8lbN+JggZp2tkzNElpWzdFKXLFCG6Q=; b=gcZNxZ9fMjvVAwM0TKNFSlQs1dhcMMwqSIt8NqdJo4gMqf1rgX+3TmcDrsQj0/bDaE Ri0RI2/Rjm7CFY9Ti2nOxJdL8E0AiDv922ky5VkjUapjx4yBAO1TjHIU2aIYao+XrdLz dPe6jsJHR+PSj2KjEm80Gkr2ddUdegOgMdUDjqzU4LWOpothBBw+UWhFk2LGg2G8zII0 3c/5ZuMJvSSgUbIaq8C7kCQ1wCHFuWZmueM3etYGdzqK0hPv2n7xGoUqT6NtSJd+XsY1 mSzaDxUsK4Jso+KVhPxQXjEjb4IoGq03krh5fduVwJAW5evF/1eRnl/Xw8NjWNTJZrdo q7Uw== X-Gm-Message-State: AOAM533Zpg1eBi0SkGwQKZMSEoMW8yBNKRSuhsinY4nr2gpnh3oXg4V1 7AYghhtypKYRHW/mf9KBxMJabZqskwaE89JwjT08Jw== X-Received: by 2002:a9f:234a:: with SMTP id 68mr505653uae.13.1631028308416; Tue, 07 Sep 2021 08:25:08 -0700 (PDT) MIME-Version: 1.0 References: <000000000000a4cc9405c95d0e1c@google.com> In-Reply-To: <000000000000a4cc9405c95d0e1c@google.com> From: Miklos Szeredi Date: Tue, 7 Sep 2021 17:24:56 +0200 Message-ID: Subject: Re: [syzbot] possible deadlock in fuse_reverse_inval_entry To: syzbot Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs Content-Type: multipart/mixed; boundary="000000000000f13b0d05cb695ed9" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --000000000000f13b0d05cb695ed9 Content-Type: text/plain; charset="UTF-8" #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master --000000000000f13b0d05cb695ed9 Content-Type: text/x-patch; charset="US-ASCII"; name="fuse-annotate-lock-in-inval_entry.patch" Content-Disposition: attachment; filename="fuse-annotate-lock-in-inval_entry.patch" Content-Transfer-Encoding: base64 Content-ID: X-Attachment-Id: f_kta842p30 RnJvbTogTWlrbG9zIFN6ZXJlZGkgPG1zemVyZWRpQHJlZGhhdC5jb20+ClN1YmplY3Q6IGZ1c2U6 IGFubm90YXRlIGxvY2sgaW4gZnVzZV9yZXZlcnNlX2ludmFsX2VudHJ5KCkKCkFkZCBtaXNzaW5n IGlub2RlIGxvY2sgYW5ub3RhdGF0aW9uOyBmb3VuZCBieSBzeXpib3QuCgpSZXBvcnRlZC1ieTog c3l6Ym90KzlmNzQ3NDU4ZjU5OTBlYWE4ZDQzQHN5emthbGxlci5hcHBzcG90bWFpbC5jb20KU2ln bmVkLW9mZi1ieTogTWlrbG9zIFN6ZXJlZGkgPG1zemVyZWRpQHJlZGhhdC5jb20+Ci0tLQogZnMv ZnVzZS9kaXIuYyB8ICAgIDIgKy0KIDEgZmlsZSBjaGFuZ2VkLCAxIGluc2VydGlvbigrKSwgMSBk ZWxldGlvbigtKQoKLS0tIGEvZnMvZnVzZS9kaXIuYworKysgYi9mcy9mdXNlL2Rpci5jCkBAIC0x MDcxLDcgKzEwNzEsNyBAQCBpbnQgZnVzZV9yZXZlcnNlX2ludmFsX2VudHJ5KHN0cnVjdCBmdXNl CiAJaWYgKCFwYXJlbnQpCiAJCXJldHVybiAtRU5PRU5UOwogCi0JaW5vZGVfbG9jayhwYXJlbnQp OworCWlub2RlX2xvY2tfbmVzdGVkKHBhcmVudCwgSV9NVVRFWF9QQVJFTlQpOwogCWlmICghU19J U0RJUihwYXJlbnQtPmlfbW9kZSkpCiAJCWdvdG8gdW5sb2NrOwogCg== --000000000000f13b0d05cb695ed9--