From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 B5B372E5B09; Tue, 15 Jul 2025 13:29:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752586155; cv=none; b=SlGf/b/Lkej3FTiqcxqYBKnLeBIRH8E3WfElBf85gP0GKyqsxmVm/97lvmWNvlczou95E6Zo6HOd20MbCU4hl4h3eodoikjozhdsEdsY30hCv6tyfU3G2E9D8IUopdyYmVSlMMFkM2VEKGNJAvd1/OIxtRbLtAzoprka/MhxW0Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752586155; c=relaxed/simple; bh=QzKfpBFr0uHVAV9wYwRW4lUXsOsaVy1o0Pe8Dp+p4dI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=FLVHwSomW3ch3aHR65iA4vxOMnu+qAUTPHG0SQe12q4SZiD0DaSNy9wZWl3IJvXHYQ4zmyyWIDhDrmejtfHcKmDc3nqiBjE1a8YjTHcXkIVFt/zFn+UhsHbE4p/o/dh1q7290l+NuFaLJ080MzCQjsk0crt+UNNv5uemUZavZAY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=lVGAFZ5Q; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="lVGAFZ5Q" Received: by smtp.kernel.org (Postfix) with ESMTPSA id ED3FBC4CEF6; Tue, 15 Jul 2025 13:29:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1752586155; bh=QzKfpBFr0uHVAV9wYwRW4lUXsOsaVy1o0Pe8Dp+p4dI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lVGAFZ5Q4H9Q9QokQWq5K7uym1tXELRSHyNjGEt8gV1/VARekdVBoAdbzx+/19OMR bYv9XdTKOGTvE20faeNB2OAUeVLMmLvJwywycH+AJTmoA//oCOmUSogyVAiDLFSOP4 1J0Ay/N2kpx8yDFaPT4YFZ8TjptR3eiQeBmqlRCE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Stefano Garzarella , Michal Luczaj , Jakub Kicinski , Sasha Levin Subject: [PATCH 5.15 09/77] vsock: Fix IOCTL_VM_SOCKETS_GET_LOCAL_CID to check also `transport_local` Date: Tue, 15 Jul 2025 15:13:08 +0200 Message-ID: <20250715130752.060288544@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250715130751.668489382@linuxfoundation.org> References: <20250715130751.668489382@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Michal Luczaj [ Upstream commit 1e7d9df379a04ccd0c2f82f39fbb69d482e864cc ] Support returning VMADDR_CID_LOCAL in case no other vsock transport is available. Fixes: 0e12190578d0 ("vsock: add local transport support in the vsock core") Suggested-by: Stefano Garzarella Reviewed-by: Stefano Garzarella Signed-off-by: Michal Luczaj Link: https://patch.msgid.link/20250703-vsock-transports-toctou-v4-3-98f0eb530747@rbox.co Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/vmw_vsock/af_vsock.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index f2caef4cda67d..c4006e09db091 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -2338,6 +2338,8 @@ static long vsock_dev_do_ioctl(struct file *filp, cid = vsock_registered_transport_cid(&transport_g2h); if (cid == VMADDR_CID_ANY) cid = vsock_registered_transport_cid(&transport_h2g); + if (cid == VMADDR_CID_ANY) + cid = vsock_registered_transport_cid(&transport_local); if (put_user(cid, p) != 0) retval = -EFAULT; -- 2.39.5