From nobody Tue Feb 10 07:23:51 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=none dis=none) header.from=yandex-team.ru ARC-Seal: i=1; a=rsa-sha256; t=1768373293; cv=none; d=zohomail.com; s=zohoarc; b=F2SqvNx+GciFptLY2GmC0GRRhfSGBLBe4qkQxrvt/SedPm46sUo6aPzoqSr/S+YRRvog+yzqLM4hsg6mQtwOPriHAAewN6IWsSn4/cS0Cri4g3oI4FRtrvj20uJWCzuYm8Nmi8IolGV+FPTJmSYgBiQbz/+SkxYklJJSaMc+Ae0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1768373293; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=jsy4reI1TzanCtXBfxJ4/w5QjWMW6WCD9Mr70g2ZVgo=; b=gLEEH5lommoLAd3YoEdBeZ5ZX1R1ST30sh3inKUtIGkOAtin+3EyrXWVAE5GIuntfUNNNTbhYQuOz5pYErPTVC6UmulAVmTs7BqC5236YJQY6c4My4H+KDkBLnPlgA+gnADZ2NhWUHEiVac9Guh/nUamgi1k173PsM1FdliAQko= 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=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1768373293105329.7428384574654; Tue, 13 Jan 2026 22:48:13 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vfufO-0001w3-Q0; Wed, 14 Jan 2026 01:47:44 -0500 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 1vfuf4-0001pz-6E for qemu-devel@nongnu.org; Wed, 14 Jan 2026 01:47:22 -0500 Received: from forwardcorp1d.mail.yandex.net ([178.154.239.200]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vfuf1-0004AJ-5S for qemu-devel@nongnu.org; Wed, 14 Jan 2026 01:47:21 -0500 Received: from mail-nwsmtp-smtp-corp-main-56.klg.yp-c.yandex.net (mail-nwsmtp-smtp-corp-main-56.klg.yp-c.yandex.net [IPv6:2a02:6b8:c42:65a0:0:640:e1de:0]) by forwardcorp1d.mail.yandex.net (Yandex) with ESMTPS id 04A0380676; Wed, 14 Jan 2026 09:47:16 +0300 (MSK) Received: from vsementsov-lin.. (unknown [2a02:6bf:8080:c88::1:7]) by mail-nwsmtp-smtp-corp-main-56.klg.yp-c.yandex.net (smtpcorp/Yandex) with ESMTPSA id ClNQD90AqW20-W6iwykCf; Wed, 14 Jan 2026 09:47:15 +0300 Precedence: bulk X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru; s=default; t=1768373235; bh=jsy4reI1TzanCtXBfxJ4/w5QjWMW6WCD9Mr70g2ZVgo=; h=Message-ID:Date:In-Reply-To:Cc:Subject:References:To:From; b=G7hg0wfSlTvbz//H4usF7syB7F1fRjSqDkyUa+0hdcR0JQzGNDBwHN6oHIVUko0jS MPJAh25vv69Kx9LOiyNUawq2C7rXKvLPB/DPM9PpSQhpWP4jt9g7Jw4uBz/4OtG4Et iuIOXE77DLsYC1DJqha1RCOBPiZ0pVtWD3nOZS+A= Authentication-Results: mail-nwsmtp-smtp-corp-main-56.klg.yp-c.yandex.net; dkim=pass header.i=@yandex-team.ru From: Vladimir Sementsov-Ogievskiy To: peterx@redhat.com Cc: farosas@suse.de, qemu-devel@nongnu.org, dtalexundeer@yandex-team.ru, vsementsov@yandex-team.ru, yc-core@yandex-team.ru, d-tatianin@yandex-team.ru Subject: [PATCH 4/5] qemu-file: qemu_file_get_fd(): check service byte itself Date: Wed, 14 Jan 2026 09:47:09 +0300 Message-ID: <20260114064710.176268-5-vsementsov@yandex-team.ru> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20260114064710.176268-1-vsementsov@yandex-team.ru> References: <20260114064710.176268-1-vsementsov@yandex-team.ru> MIME-Version: 1.0 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 (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=178.154.239.200; envelope-from=vsementsov@yandex-team.ru; helo=forwardcorp1d.mail.yandex.net X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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 List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @yandex-team.ru) X-ZM-MESSAGEID: 1768373297287158500 Content-Type: text/plain; charset="utf-8" We can check it, so, why not. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Fabiano Rosas --- migration/qemu-file.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/migration/qemu-file.c b/migration/qemu-file.c index 3a9a0a49d4..da701d40e4 100644 --- a/migration/qemu-file.c +++ b/migration/qemu-file.c @@ -390,13 +390,19 @@ int qemu_file_get_fd(QEMUFile *f) int fd =3D -1; FdEntry *fde; Error *err =3D NULL; + int service_byte; =20 if (!f->can_pass_fd) { error_setg(&err, "%s does not support fd passing", f->ioc->name); goto fail; } =20 - qemu_get_byte(f); + service_byte =3D qemu_get_byte(f); + if (service_byte !=3D ' ') { + error_setg(&err, "%s unexpected service byte: %d(%c)", f->ioc->nam= e, + service_byte, service_byte); + goto fail; + } =20 fde =3D QTAILQ_FIRST(&f->fds); if (!fde) { --=20 2.48.1