From nobody Tue May 21 14:42:27 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 ARC-Seal: i=1; a=rsa-sha256; t=1612208066; cv=none; d=zohomail.com; s=zohoarc; b=TpsN7rb9P5qS/BoB7UgZAJ3Mqh3pNHyGgjUfxCel7JVWggIxiMufbZHVAN4auzEmRE6V5IF0d5Zt96pD7cVX85y4UQr3zRYfRnrmIwaP5cLXzRirnWb/I+RWYvbkR5bnDkU/sVKv34k5e4Ek3mr252S+EUcdffyJ6SU2YJ+PohY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1612208066; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=zcMp2CTZDFC9cjH3GzoFHd8qjJ3Pf+u3O2cv35n/Ea4=; b=iKYx3TM2P6r9QuAzqYfR9hSeHwXTWTGzhW3eawAaYci1F7RDad6HVkqh77+so67xpoyY0R+pm+15MWsYYTQ5sbhX3j6oAccfapCFrXBYUnSR4YfcPOcYsyblG0jquyQM8+JudIy/cSn6F3zhQB4DYKMGjtQEa1Gj4HcpIaMhPOc= ARC-Authentication-Results: i=1; mx.zohomail.com; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1612208066143173.02204196066566; Mon, 1 Feb 2021 11:34:26 -0800 (PST) Received: from localhost ([::1]:49452 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l6exs-0001L5-ID for importer@patchew.org; Mon, 01 Feb 2021 14:34:24 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:48392) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l6ewm-0000pE-SS for qemu-devel@nongnu.org; Mon, 01 Feb 2021 14:33:16 -0500 Received: from us-smtp-delivery-44.mimecast.com ([207.211.30.44]:43191) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l6ewl-0003Vh-CT for qemu-devel@nongnu.org; Mon, 01 Feb 2021 14:33:16 -0500 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-471-28aHCayyOOmVWA_a4A9T1A-1; Mon, 01 Feb 2021 14:33:12 -0500 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E7278B8105; Mon, 1 Feb 2021 19:33:10 +0000 (UTC) Received: from bahia.redhat.com (ovpn-113-184.ams2.redhat.com [10.36.113.184]) by smtp.corp.redhat.com (Postfix) with ESMTP id DD9131001281; Mon, 1 Feb 2021 19:33:06 +0000 (UTC) X-MC-Unique: 28aHCayyOOmVWA_a4A9T1A-1 From: Greg Kurz To: qemu-devel@nongnu.org Subject: [PATCH] virtiofsd: Add restart_syscall to the seccomp whitelist Date: Mon, 1 Feb 2021 20:33:05 +0100 Message-Id: <20210201193305.136390-1-groug@kaod.org> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: kaod.org 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: softfail client-ip=207.211.30.44; envelope-from=groug@kaod.org; helo=us-smtp-delivery-44.mimecast.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Dr. David Alan Gilbert" , Stefan Hajnoczi , Greg Kurz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" This is how linux restarts some system calls after SIGSTOP/SIGCONT. This is needed to avoid virtiofsd termination when resuming execution under GDB for example. Signed-off-by: Greg Kurz Reviewed-by: Dr. David Alan Gilbert Reviewed-by: Stefan Hajnoczi --- This has passed Travis and gitlab CI without errors. tools/virtiofsd/passthrough_seccomp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/virtiofsd/passthrough_seccomp.c b/tools/virtiofsd/passth= rough_seccomp.c index a60d7da4b4e2..da03e97d35e4 100644 --- a/tools/virtiofsd/passthrough_seccomp.c +++ b/tools/virtiofsd/passthrough_seccomp.c @@ -88,6 +88,7 @@ static const int syscall_whitelist[] =3D { SCMP_SYS(renameat), SCMP_SYS(renameat2), SCMP_SYS(removexattr), + SCMP_SYS(restart_syscall), SCMP_SYS(rt_sigaction), SCMP_SYS(rt_sigprocmask), SCMP_SYS(rt_sigreturn), --=20 2.26.2