From nobody Mon Feb 9 23:38:52 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=quarantine dis=none) header.from=zx2c4.com ARC-Seal: i=1; a=rsa-sha256; t=1666659036; cv=none; d=zohomail.com; s=zohoarc; b=REeMtTLXB8F0re0OoMTIJrBui7F+4KCD8eV+yJfuEyWnHSy81DJ7l07xhzHsEEhhjdHXrxzoj1TRmAHPXmx8uJpINY1u5gp42O4b4KTANBrGH3r643IV0moPy0MUaJ83Fwu6gwU2bXja1Hkgbr5JAn7ll4x628g5chfGgKKeDm4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1666659036; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=X7NNISyd6iRl3En/rg1K1JP5VsPepMwmanaqetfFnUU=; b=Nky4XM3XgtLB/anh6KsJrbSa0POrIXLc5t/fSS1rhYY2de/ou2W0WC6B9jtKY0cmqVmwYEPPZ5FLOp6/HS0/Ejm2Zm8ByiVI+cE41UpUUIkiPDquCFk8qtSQNydQsKF5vI83teN2TAAnkaHR1RFBUO/qFUBsJQEcPUrpn/FXYLM= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1666659036084958.7054807818153; Mon, 24 Oct 2022 17:50:36 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1on83E-0004wM-5f; Mon, 24 Oct 2022 20:44:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1on83C-0004vx-JI for qemu-devel@nongnu.org; Mon, 24 Oct 2022 20:44:14 -0400 Received: from sin.source.kernel.org ([2604:1380:40e1:4800::1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1on838-0005Gt-GJ for qemu-devel@nongnu.org; Mon, 24 Oct 2022 20:44:14 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id EE97ECE1AC2; Tue, 25 Oct 2022 00:44:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 717EBC433C1; Tue, 25 Oct 2022 00:44:05 +0000 (UTC) Received: by mail.zx2c4.com (ZX2C4 Mail Server) with ESMTPSA id 035073f4 (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO); Tue, 25 Oct 2022 00:44:04 +0000 (UTC) Authentication-Results: smtp.kernel.org; dkim=pass (1024-bit key) header.d=zx2c4.com header.i=@zx2c4.com header.b="Zr0A1cbj" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zx2c4.com; s=20210105; t=1666658644; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=X7NNISyd6iRl3En/rg1K1JP5VsPepMwmanaqetfFnUU=; b=Zr0A1cbj8MUw7S/cCvWPRFx4qs11FhM4ugChvWv7xEP+djH+SneJ3BH3NFuiYZ01Otu8V9 grQS5zHEDo4qHWRax6zE1gfR8qc/PHVFXNeI2+bP5RNAG61DVDZpGb+nL1q0+hxC2LkaO9 R0p6zSoL9XizCgcx7bvRDnRc1u44pVc= From: "Jason A. Donenfeld" To: peter.maydell@linaro.org, pbonzini@redhat.com, qemu-devel@nongnu.org, richard.henderson@linaro.org Cc: "Jason A. Donenfeld" , Aleksandar Rikalo , Paul Burton , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v4 08/11] mips/boston: re-randomize rng-seed on reboot Date: Tue, 25 Oct 2022 02:43:24 +0200 Message-Id: <20221025004327.568476-9-Jason@zx2c4.com> In-Reply-To: <20221025004327.568476-1-Jason@zx2c4.com> References: <20221025004327.568476-1-Jason@zx2c4.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2604:1380:40e1:4800::1; envelope-from=SRS0=a4uw=22=zx2c4.com=Jason@kernel.org; helo=sin.source.kernel.org X-Spam_score_int: -67 X-Spam_score: -6.8 X-Spam_bar: ------ X-Spam_report: (-6.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Qemu-devel" Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @zx2c4.com) X-ZM-MESSAGEID: 1666659038136100003 When the system reboots, the rng-seed that the FDT has should be re-randomized, so that the new boot gets a new seed. Since the FDT is in the ROM region at this point, we add a hook right after the ROM has been added, so that we have a pointer to that copy of the FDT. Cc: Aleksandar Rikalo Cc: Paul Burton Cc: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Jason A. Donenfeld --- hw/mips/boston.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/mips/boston.c b/hw/mips/boston.c index d2ab9da1a0..cab63f43bf 100644 --- a/hw/mips/boston.c +++ b/hw/mips/boston.c @@ -41,6 +41,7 @@ #include "sysemu/sysemu.h" #include "sysemu/qtest.h" #include "sysemu/runstate.h" +#include "sysemu/reset.h" =20 #include #include "qom/object.h" @@ -810,6 +811,8 @@ static void boston_mach_init(MachineState *machine) /* Calculate real fdt size after filter */ dt_size =3D fdt_totalsize(dtb_load_data); rom_add_blob_fixed("dtb", dtb_load_data, dt_size, dtb_paddr); + qemu_register_reset_nosnapshotload(qemu_fdt_randomize_seeds, + rom_ptr(dtb_paddr, dt_size)); } else { /* Try to load file as FIT */ fit_err =3D load_fit(&boston_fit_loader, machine->kernel_filen= ame, s); --=20 2.38.1