From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from zeniv.linux.org.uk (zeniv.linux.org.uk [62.89.141.173]) (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 6016CBA53 for ; Mon, 16 Jun 2025 19:17:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=62.89.141.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750101454; cv=none; b=vCXxqaL7srhZ6LrWOiqClSTHcH+Md6tTM/pPb/yVftUDlMQdFAFVbSH5K7Tn1NTLtmbRfbNz5wIrGaruD5tYuGd2x3oKBunstaUWE+eZW5kRnv5VYYxH527N72GK7hxbVYwYZlNylAg1S5oqgXzT9QdHs+qQ9RgN0IwcwxCbSpY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750101454; c=relaxed/simple; bh=Yq9IswGxnCLMI7R3vxusmuabsRd2e9w649YrN4R8DxY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=l+A6kRVOCmygiAJkFVr9SB228ypyCSlgg27oRLq3qwGQ1N/Vc2ahA5XaKuc0omd55L4Zmy4bLzuC17vgG2Kt8s5aRnLf2HRQTNy2j3QCQnKXt01/vOLAuh1VU7HXDfLAGngSBA+NcBIa3rHf2W+rfyMm8lp1AoA5sMY2MKmwryA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zeniv.linux.org.uk; spf=none smtp.mailfrom=ftp.linux.org.uk; dkim=pass (2048-bit key) header.d=linux.org.uk header.i=@linux.org.uk header.b=IiLzNa+C; arc=none smtp.client-ip=62.89.141.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zeniv.linux.org.uk Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=ftp.linux.org.uk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linux.org.uk header.i=@linux.org.uk header.b="IiLzNa+C" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=linux.org.uk; s=zeniv-20220401; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=hqqW56jgXEzeKEca02AnTXvZmBni1cw0WW666gF1W9k=; b=IiLzNa+CvRPU6d54Ov9s6oG0/r 9quy8IP2Xdnb4oEucKVZxj77Zs4deYxEs+eeMsaTWzHrgyrbvDYhTdq7LCURvdNlNzxoSdliLid20 oMOVICfRpY0JdvdWxqm1cKAvxBPZmlkHFijjGCHi1cttJl3liPMkSY2J9popLEqsPxvItp1r0wi8T 608c83BOtf2J4AMmC297DsbSacgF8J81CFOOmlNnDAeEM2lKAEQQrvnpK9hbOFwBUdbnFnvJ1LK/O RvckmsngQoOVjseuL8lST7THQa0xdACTu/sEhO2/ZI63jIRt/wcuZ9STfuzrBGYQ/MmCKHuYq73Rg laniugOA==; Received: from viro by zeniv.linux.org.uk with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1uRFKk-00000001bsI-3civ; Mon, 16 Jun 2025 19:17:30 +0000 Date: Mon, 16 Jun 2025 20:17:30 +0100 From: Al Viro To: Christian Brauner Cc: linux-fsdevel@vger.kernel.org, neil@brown.name, torvalds@linux-foundation.org Subject: Re: [PATCH 4/8] binfmt_misc: switch to locked_recursive_removal() Message-ID: <20250616191730.GI1880847@ZenIV> References: <20250614060050.GB1880847@ZenIV> <20250614060230.487463-1-viro@zeniv.linux.org.uk> <20250614060230.487463-4-viro@zeniv.linux.org.uk> <20250616-gewidmet-parodie-bbbc15feb741@brauner> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250616-gewidmet-parodie-bbbc15feb741@brauner> Sender: Al Viro On Mon, Jun 16, 2025 at 04:43:06PM +0200, Christian Brauner wrote: > On Sat, Jun 14, 2025 at 07:02:26AM +0100, Al Viro wrote: > > ... fixing a mount leak, strictly speaking. > > Imho all those entries in binfmt_misc should probably just all be > switched to call dont_mount(). Zero reason to support this. Might as well, but that's a separate story. IMO this commit makes sense on its own...