From patchwork Tue Jan 11 19:52:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 12710655 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D5301C433F5 for ; Tue, 11 Jan 2022 20:24:47 +0000 (UTC) Received: from localhost ([::1]:34496 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n7NhG-0000AE-VH for qemu-devel@archiver.kernel.org; Tue, 11 Jan 2022 15:24:46 -0500 Received: from eggs.gnu.org ([209.51.188.92]:44742) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n7NCe-00088M-1g for qemu-devel@nongnu.org; Tue, 11 Jan 2022 14:53:08 -0500 Received: from mout.kundenserver.de ([217.72.192.75]:49479) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n7NCb-0008IL-Rb for qemu-devel@nongnu.org; Tue, 11 Jan 2022 14:53:07 -0500 Received: from quad ([82.142.23.158]) by mrelayeu.kundenserver.de (mreue109 [212.227.15.183]) with ESMTPSA (Nemesis) id 1MirfG-1mSYnb3b4W-00etze; Tue, 11 Jan 2022 20:53:04 +0100 From: Laurent Vivier To: qemu-devel@nongnu.org Subject: [PULL 30/30] linux-user: Implement capability prctls Date: Tue, 11 Jan 2022 20:52:47 +0100 Message-Id: <20220111195247.1737641-31-laurent@vivier.eu> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20220111195247.1737641-1-laurent@vivier.eu> References: <20220111195247.1737641-1-laurent@vivier.eu> MIME-Version: 1.0 X-Provags-ID: V03:K1:X65KyYpmgvTzNs05peiuXT3UJPO51Dun7bUw3kYCzuStBpYY57I 7KrA2FLRg10RMPrSPVZA/cYSDcxZPg75YenFXBr//MUNBKsZa8QI+kPPjLNoH51fb8QqO9+ 6adNyJCtfpGZpDWHri0ALQpXxhNwx+MbBhEKFPkRtGcPSxK2Lr27aI+Ggjvo1UxOoH0bdbZ JOR9RBAWI6+vQDhbx13/A== X-UI-Out-Filterresults: notjunk:1;V03:K0:ixT0RA+x9a4=:25YiJ8Dra7/1ufTsPwiaDh 3Pvu0WuenYw8vfpIHGwVmmG/STdFrJQHfbAv6nyVPBzl3pQH+zJTFs2KX5kprNHk0sqfzrPMZ SgguvZM4EhI54BvaYpROP1GkaUC/RTFrvJGF50jHaeHhrDqqXGzGcT5/nUGsf2NNKU9n1bovP /4vFnkMIwnD9iWVrv3yV5ciIKBWUUStQZVDp1LUiVCRtHcIUNo64aGPAoh2qRSKRm8lUYW0Fa TFsCBDEzw6FjOyBZHE9qJwYsDRqcPR1T1IhWR10cso//m8xrSuGDeW3Px6Q2zjLUTn6pn09LO eADKYq6DH21axlQ30eZe3b0+hB+XXWnTf2brPjrKU9vfnf3pd5ixDfEiPK8VshbB2DAZe690V uZwYpRy9HzgA4y72LLRE0X769qK2ZYlerYVJp6JlDP3q7zcnHnLOasIt9WfWGkUSxdTZBoHsN mnyphN8W19N3fBtVtP9sIsFro54gi30rBoeAR70bbBeZvOQ61sG7gbw/ZC333fxOz4q1nzzy+ a89llI1EMDXMh5uX/0cCeUvwuJMYr7nltssGV444qP2BD8EnDnE2icRU0LlApmXlfAMOb0Tgm r1usbD68TV4G5hIt9ZUlBXdX2M/eHr0l/vf7KQLAgpWafL3N8rkbJxL/zpXmgp+jQLMtv5LaZ CJVMZSM9e3uFAtzMMmVhh6qlmK74PZF6V4T3pEtbT+FZ9OIBd631CncDx0x/mstGylss= Received-SPF: none client-ip=217.72.192.75; envelope-from=laurent@vivier.eu; helo=mout.kundenserver.de 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_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_NONE=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: , Cc: Richard Henderson , Laurent Vivier Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Richard Henderson This is PR_CAPBSET_READ, PR_CAPBSET_DROP and the "legacy" PR_CAP_AMBIENT PR_GET_SECUREBITS, PR_SET_SECUREBITS. All of these arguments are integer values only, and do not require mapping of values between host and guest. Signed-off-by: Richard Henderson Reviewed-by: Laurent Vivier Message-Id: <20220106225738.103012-5-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier --- linux-user/syscall.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index f9ae6328b53b..5950222a77e0 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -6504,10 +6504,15 @@ static abi_long do_prctl(CPUArchState *env, abi_long option, abi_long arg2, case PR_SET_UNALIGN: return do_prctl_set_unalign(env, arg2); + case PR_CAP_AMBIENT: + case PR_CAPBSET_READ: + case PR_CAPBSET_DROP: case PR_GET_DUMPABLE: case PR_SET_DUMPABLE: case PR_GET_KEEPCAPS: case PR_SET_KEEPCAPS: + case PR_GET_SECUREBITS: + case PR_SET_SECUREBITS: case PR_GET_TIMING: case PR_SET_TIMING: case PR_GET_TIMERSLACK: