From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 EB752370D47; Thu, 2 Apr 2026 12:54:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775134480; cv=none; b=TXdnUoU6oNSiqN6iJEFjlbw2jLGsdRrUmwpRQ5lxpklO5QXbBpCHG8l7uCuWNpviJOxlP4eAwhLsLQEJfX0hq224r0z0d3oStRLrwsov1KlWHFbcSHNNohw75FeHi++1WMPWECw6QjmWxf78Lg/jF2JXDBYdgD+wxCfRZgWZIAY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775134480; c=relaxed/simple; bh=JxQBCwxJeOsKgCdFBFvQ5GwSDpS2HV+gb7mav0OmdM0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=s9bDZ7pqsUQVcRUZuYNbBwc5hBWBLLb1L8/USqdVR0bv8w2ZI/7snJlewai6WMkoMSBrRg8EpBxKhXWFmVOBdoC6v1mWhAw5TD0JW4bu+lK19MMn2vPLp8OwkWxzsQQX4mM9iQQZJzAZlx/7kmXrk0KB0Jt9agOtFExXbfKlte4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=cQLOLg80; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="cQLOLg80" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Transfer-Encoding: Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description; bh=h7s8k7aMx6/zITyQQmXFAAylJN8natJY4Juu8aMTILw=; b=cQLOLg80DosbYCgrlISgbSn7Nt h7i1PIFACEa6Fk9AjOVIYci775a1yQdqJrRoO4Zi8xHz6zqRo5q8DBhw0ARbm3nXp/hCdzdGC8gHD PkpMNFLJlRwYCCJAujfvcDfYgNl1+cJoWG/vPpEMgeKZrhxwKKBRizdbVZ8uE53EPsBgqzBZMQI2R H1aRR3avWVAVpmGQh4+Uawp9MF7KWSCFTxgCal4mR/hHoFi2xrxWn+sraXrkV8FcKZsYOT5X49qnO oNW542jd0Fb1ftKVQ4h0snvr5482NWgZx/0lItgsY25kQUkJxZRJVnLQaTlMtzTolIDvxeRUbKdQ+ 3lFEuBmQ==; Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1w8HZ8-0000000CJdQ-28t5; Thu, 02 Apr 2026 12:54:30 +0000 Date: Thu, 2 Apr 2026 13:54:30 +0100 From: Matthew Wilcox To: ven0mfuzzer Cc: Christian Brauner , Jan Kara , Alexander Viro , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [BUG] BeeGFS 7.4.4 =?utf-8?Q?Use-After?= =?utf-8?Q?-Free_in_FhgfsInode=5FreferenceHandle_via_Message_Type_Corrupti?= =?utf-8?B?b24gKFPihpJDKQ==?= Message-ID: References: <69ce4def.170a0220.9e8ab.803e@mx.google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <69ce4def.170a0220.9e8ab.803e@mx.google.com> On Thu, Apr 02, 2026 at 07:07:25PM +0800, ven0mfuzzer wrote: > BeeGFS 7.4.4 Use-After-Free in FhgfsInode_referenceHandle via Message Type Corruption (S→C) I was today years old when I heard of BeeGFS. It's not part of Linux. You probably need to report this to the BeeGFS maintainers, whoever they are.