From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pdx-out-001.esa.us-west-2.outbound.mail-perimeter.amazon.com (pdx-out-001.esa.us-west-2.outbound.mail-perimeter.amazon.com [44.245.243.92]) (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 6F49E37998C for ; Mon, 23 Feb 2026 22:17:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=44.245.243.92 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771885048; cv=none; b=reLsGnEb2eE6ker+DuC7sl+hTOqkpd1KlPXQDgggrdJ7eBvMHGbMIfr5CSiLtZ+yH5hnb7Xgku4S3ytzzhr9fmVzXGxF/7peCbj5/GkuE/WBakL2xyKoPeXjCxXz/pBag/LHvbg+yOCPkQvfkKuWo/JBR1lWuM4cmuGa3sCZ4/g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771885048; c=relaxed/simple; bh=UohrFUXcVWfkH783LU9S0QO7aFAk8N2WrMHFu9y+jnA=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=oYEWOnBsQVFf+iHxDsa77TcFUL/VBKxwzKiw65KB3p0bypdemDm9mHAV8pIDr9xVzNESGSMsG8VAuogbqZJalzlaS52cbZBTms5/uMBw/L2nREq7aGFK1UWbRtuNkIdnTb/CiMDD+sQ1OIq7viiFs5VFTvyfdyZiLNP6cmtwih4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com; spf=pass smtp.mailfrom=amazon.de; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b=QJXCYRYk; arc=none smtp.client-ip=44.245.243.92 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amazon.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b="QJXCYRYk" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1771885047; x=1803421047; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=UohrFUXcVWfkH783LU9S0QO7aFAk8N2WrMHFu9y+jnA=; b=QJXCYRYkusQabKCNKe0mdYjnDOCVsy/7hItstmTzDMr7mbnt5LX75Ouz 7E/B1XbkefSchHrLO9ito2e7vGB47jCsbRVDLumK6p0V35UF+VXsKjEEA Oj7W97uH8DCK6DsAtz9XdYRlFTPxtQEu/WRdrXvUmQmDBU4AZ4I/UD3oG nuMLtE/yat4OKVVzlPnt0mhA+Gfqvnxr7a2XwD2BPuKiMrEZZ0Pzq6uNC pQblIEBlJY4CMQjrQ+iu/EZIVCIZOdRYihNsJskuIXZJUAplR3OxT+kom z117dxoJ6AC9o5ZoONVX7WDrm4GJsoyTHbiO1xdaqBebRvNhQnaHL3JGm Q==; X-CSE-ConnectionGUID: dGeyUvxPTB2ERCvib1Lu+w== X-CSE-MsgGUID: GIDYVtQjRnqTV9JTZp4DTg== X-IronPort-AV: E=Sophos;i="6.21,307,1763424000"; d="scan'208";a="13163493" Received: from ip-10-5-12-219.us-west-2.compute.internal (HELO smtpout.naws.us-west-2.prod.farcaster.email.amazon.dev) ([10.5.12.219]) by internal-pdx-out-001.esa.us-west-2.outbound.mail-perimeter.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Feb 2026 22:17:24 +0000 Received: from EX19MTAUWA001.ant.amazon.com [205.251.233.182:9702] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.40.187:2525] with esmtp (Farcaster) id 0dc29826-6798-4e9e-abeb-720c3c103d71; Mon, 23 Feb 2026 22:17:24 +0000 (UTC) X-Farcaster-Flow-ID: 0dc29826-6798-4e9e-abeb-720c3c103d71 Received: from EX19D020UWC004.ant.amazon.com (10.13.138.149) by EX19MTAUWA001.ant.amazon.com (10.250.64.218) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.37; Mon, 23 Feb 2026 22:17:23 +0000 Received: from [0.0.0.0] (172.19.99.218) by EX19D020UWC004.ant.amazon.com (10.13.138.149) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.37; Mon, 23 Feb 2026 22:17:19 +0000 Message-ID: Date: Mon, 23 Feb 2026 23:17:17 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 26/62] misc: nsm: Fix a locking bug in an error path To: Bart Van Assche , Peter Zijlstra CC: Ingo Molnar , Will Deacon , Boqun Feng , Waiman Long , , Marco Elver , "Christoph Hellwig" , Steven Rostedt , Nick Desaulniers , Nathan Chancellor , Kees Cook , Jann Horn , Bart Van Assche , Krzysztof Kozlowski , "Michael S. Tsirkin" , The AWS Nitro Enclaves Team References: <20260223220102.2158611-1-bart.vanassche@linux.dev> <20260223220102.2158611-27-bart.vanassche@linux.dev> Content-Language: en-US From: Alexander Graf In-Reply-To: <20260223220102.2158611-27-bart.vanassche@linux.dev> X-ClientProxiedBy: EX19D046UWA001.ant.amazon.com (10.13.139.112) To EX19D020UWC004.ant.amazon.com (10.13.138.149) Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: base64 Ck9uIDIzLjAyLjI2IDIzOjAwLCBCYXJ0IFZhbiBBc3NjaGUgd3JvdGU6Cj4gRnJvbTogQmFydCBW YW4gQXNzY2hlIDxidmFuYXNzY2hlQGFjbS5vcmc+Cj4KPiBJZiBuc20tPmxvY2sgaGFzIG5vdCBi ZWVuIGxvY2tlZCwgZG8gbm90IHVubG9jayBpdCBmcm9tIGFueSBlcnJvciBwYXRoLgo+IFRoaXMg YnVnIGhhcyBiZWVuIGRldGVjdGVkIGJ5IHRoZSBDbGFuZyB0aHJlYWQtc2FmZXR5IGFuYWx5emVy Lgo+Cj4gQ2M6IEtyenlzenRvZiBLb3psb3dza2kgPGtyenlzenRvZi5rb3psb3dza2lAbGluYXJv Lm9yZz4KPiBDYzogTWljaGFlbCBTLiBUc2lya2luIDxtc3RAcmVkaGF0LmNvbT4KPiBDYzogQWxl eGFuZGVyIEdyYWYgPGdyYWZAYW1hem9uLmNvbT4KPiBDYzogVGhlIEFXUyBOaXRybyBFbmNsYXZl cyBUZWFtIDxhd3Mtbml0cm8tZW5jbGF2ZXMtZGV2ZWxAYW1hem9uLmNvbT4KPiBDYzogbGludXgt a2VybmVsQHZnZXIua2VybmVsLm9yZwo+IEZpeGVzOiBiOTg3Mzc1NWE2YzggKCJtaXNjOiBBZGQg Tml0cm8gU2VjdXJlIE1vZHVsZSBkcml2ZXIiKQo+IFNpZ25lZC1vZmYtYnk6IEJhcnQgVmFuIEFz c2NoZSA8YnZhbmFzc2NoZUBhY20ub3JnPgoKClRoYW5rcyBmb3IgY2F0Y2hpbmcgdGhpcyEKClJl dmlld2VkLWJ5OiBBbGV4YW5kZXIgR3JhZiA8Z3JhZkBhbWF6b24uY29tPgoKCkFsZXgKCgoKCgpB bWF6b24gV2ViIFNlcnZpY2VzIERldmVsb3BtZW50IENlbnRlciBHZXJtYW55IEdtYkgKVGFtYXJh LURhbnotU3RyLiAxMwoxMDI0MyBCZXJsaW4KR2VzY2hhZWZ0c2Z1ZWhydW5nOiBDaHJpc3RvZiBI ZWxsbWlzLCBBbmRyZWFzIFN0aWVnZXIKRWluZ2V0cmFnZW4gYW0gQW10c2dlcmljaHQgQ2hhcmxv dHRlbmJ1cmcgdW50ZXIgSFJCIDI1Nzc2NCBCClNpdHo6IEJlcmxpbgpVc3QtSUQ6IERFIDM2NSA1 MzggNTk3Cg==