From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 A7E0A32D7FF for ; Sun, 22 Mar 2026 13:40:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774186842; cv=none; b=CdUXJoW/4LM3Lhhorus5/O9FEN8Yfi4LNyroEPmfBEY2U7SRuduVrFtoOK5hRQY8W9xHP8FqpuWiDgAU1hU4lCWbm9tb1wCARp2Ow0M/sHvBRCxClpWeWe0roZA//P88/i+wKoTm4mCuWM6xA4fK82PIteURk35peMTDTS5y9s8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774186842; c=relaxed/simple; bh=dEJvhEgAf7/vbRDH3Mrp+luEPp5DEfvju0U799MNZ8E=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=SqC4G/fdM831sE89ffhH6/bJrqJFa+UERZzVMRIDV5t63XH+9/I4yaw6XjAbjwKPxBDu2zW+/D8JjbG5SJWaT5zUDFGnKP0pwjJ2A3omryvTV2J5bDIidAPkhUZ8YoiUrHdIwy1SrprwJ0dGB46fJHwvGwE0uXL3g6V09Oqp/oU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=Gf/9CkHf; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Gf/9CkHf" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1774186840; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=dEJvhEgAf7/vbRDH3Mrp+luEPp5DEfvju0U799MNZ8E=; b=Gf/9CkHff1xdkcXY0yYnXJHjlbN0RJQY/fBzyOMMDqJv/VUB1yycpHFZhFYu+7ttC8Hdhg HXEGyncWguUqXnyCy83gaJ+h/zMUTpUkASgPbO3nzdEQB8mx8SMfZ3pHraysaxC7b+jHkW fVpkQpfpen8ZCU2CdPFSdsSDqS8/NA8= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-526-GaDPW5X4MdyghfGEUgEYRw-1; Sun, 22 Mar 2026 09:40:36 -0400 X-MC-Unique: GaDPW5X4MdyghfGEUgEYRw-1 X-Mimecast-MFC-AGG-ID: GaDPW5X4MdyghfGEUgEYRw_1774186835 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id EA9B7180047F; Sun, 22 Mar 2026 13:40:34 +0000 (UTC) Received: from fedora (unknown [10.44.32.25]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with SMTP id 1228B1800351; Sun, 22 Mar 2026 13:40:31 +0000 (UTC) Received: by fedora (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Sun, 22 Mar 2026 14:40:34 +0100 (CET) Date: Sun, 22 Mar 2026 14:40:30 +0100 From: Oleg Nesterov To: Max Ver , Andy Lutomirski , Kees Cook , Dmitry Levin Cc: bpf@vger.kernel.org, linux-kernel@vger.kernel.org, Will Drewry Subject: Re: Process killed by seccomp looks live by tracer Message-ID: References: Precedence: bulk X-Mailing-List: bpf@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: X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 On 03/08, Oleg Nesterov wrote: > Perhaps you are right, but this is a question for seccomp experts... > > Kees, Andy, what do you think? no comments ;) Kees, Andy, I think that Max has a point. I'll send the RFC patch in a minute. Please review. Oleg.