From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 AE17010854AA for ; Sat, 14 Mar 2026 22:32:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=4GHwjWDP17e1bmIaxdORrTWToWiuRi78azGVjF8ItOE=; b=EZACx0nWjaMoU7 UBlv52JDfSLDkgNkQ93+FvqSXK2L9GAlXah4haFLEovMSvcMRsbPiEPgvsyg/3pqHQnfFBIu/7z7M fOXZx0VRcoIlwqqGB6vP4lnSSz17WemcodMXUZnmLj4tQT2JOSGJrWQMA9if2kh/Q3JBe/W5Rf15K j8+iq5HZ/19HxrqT8WzgaZkVmlZ1LPgfK8iQIeCkzkQ5qyu5EY6+MlX7vScTPzzEuyS2tmccIA/mX hZzt03xhYK6kfjVcodfrFijcxAs9MBzOzMP4whoST3fzOJgUmvksc46E/a7jXAWGWF4jKEHgd8Bg0 QnduhBVxJx/WpWg/A4ew==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w1XWU-00000002DCx-0hyj; Sat, 14 Mar 2026 22:31:54 +0000 Received: from mail-wm1-x336.google.com ([2a00:1450:4864:20::336]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w1XWR-00000002DBV-0Pmz for linux-riscv@lists.infradead.org; Sat, 14 Mar 2026 22:31:52 +0000 Received: by mail-wm1-x336.google.com with SMTP id 5b1f17b1804b1-483487335c2so32149045e9.2 for ; Sat, 14 Mar 2026 15:31:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1773527509; x=1774132309; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=gJ7hVQIRD6vEHOsR3AJFX+E3NnIhhIwHbuPfNg+Gnww=; b=HDYRXVuzVSqWAllakJ5MNNmn+GN93Ug34p6qJiPF0NafABVJo3w8T1WSKHwrFi7Euw AlFBVhV1g2P9wGXtvN80DF+SY6OpFf+GJ3bH8tT8WJFwJXY/0ll1I5LF/5YMco7kDllf CSWANvZejrT9h3hF182QvO/vXPZzxkg3d9FIbQQlFxMVcAePF/hBnHrAhOdZVhZB3ADV f4LqX9ur7iB2BxOnWoRrQijLXitqE1NeVfQGdsxq/yUmL5RsIs46I/zTJpz0hrXl9Rxl 28PblawtqygTHxON6vROrx6DPoVQS2lgcHFxNpcMB1ntFbBaFyT5jMkZ+lDIYenHFEhJ qcSg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1773527509; x=1774132309; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=gJ7hVQIRD6vEHOsR3AJFX+E3NnIhhIwHbuPfNg+Gnww=; b=YT/IyVgRrEjU4g7v2foaZGI5MKT3KSVLtfRBSwRqIEjFPsK8GGyAjc4Nne3tl4Wz1O w1Rqn+8NwY4NqCHS6I5f6S04c1ocO7OiINH0aAaHuMRLC9MU4DOZXfqiHZM2YH1AEM7p UaGl2WneNHzgseDUjF4n3WUyq59xJXnLljdal3Z6dUf4YklmIHMuR00Avo6YDE7NiMzO PnovvSIKpgHKqSc89eSjOc79PBAUNl596Dd+FoJXKD0Z/pZmF1cLzSEMicS0OczqKXlc M1eNOR9Mty1TAZhqkyUMBoFv5OywL6jaxhTRW/eUxvcOElNWkBx5XYkkqs6GN/wzekPv 62pA== X-Forwarded-Encrypted: i=1; AJvYcCWGN5wzEwsW8zh/7H+P9QMzvF8+Ho0rUmmOtPetsBrxebDWZ8N8THMsZmWh6JdL2RbsUMLabS3PpnipGg==@lists.infradead.org X-Gm-Message-State: AOJu0Yy3QlF3m/LrNW1IPrxWNbjMdlGf/3AHb2sn9Pl+2Gmu/LcZ6kQR 5NBHtSIB4qXSYzvcf+9NPoPOFnTpW3e6gb8OxQ3iBPKWyuLYndrvuIv+ X-Gm-Gg: ATEYQzx4V2vTdlCHfzFEobq7d+W4evsyct+6alnqYGkFrkw/w/Gp8pkMg9eLVCUrkWl Y+eQTMmaawt91bXpKNFFNYfXVO7OrLjASRixqvDfZETH1KWLv5ZE/SK4LzsiaXq5Dsz9GDJbGPI UvAh65danpi/2dTrfRNLk61avHRld2Etpy9nD7LjnEngfC33JB5xdN2R9JviL4LjNE41x0nR5OU XsItklHKBES3t/KHQkJnw3fMnELxU6UvvlTKIBlR4+KQp54v9SMMLHdc8vAXVzpTr9tQpCwW6dN UwojC3rd/JID/OdITS8XVqbhXsDDdw1NhQaXjDpazUXlSbyMUV0MZeZU235egKTgGsnb8QvurR+ LkR3CwjuKJEOqwSicfiiOZRZNFlnofogJlsDi52H217jVhu+DNTtwF8jlCwQIYuhpESmI4aD1Te qHwLXUpexxoEJO0c6LIfs59yR1euTtwDhcQjA5xn8zikypkN4XP7OHVaYWVSf+z93O9P4NZw== X-Received: by 2002:a05:600c:6287:b0:485:3f72:323f with SMTP id 5b1f17b1804b1-485566d2ff2mr132595095e9.11.1773527508820; Sat, 14 Mar 2026 15:31:48 -0700 (PDT) Received: from osama.. ([41.238.114.180]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48558fd09d8sm149314455e9.7.2026.03.14.15.31.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 14 Mar 2026 15:31:48 -0700 (PDT) From: Osama Abdelkader To: Anup Patel , Atish Patra , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Osama Abdelkader Subject: [PATCH] riscv: kvm: fix vector context allocation leak Date: Sat, 14 Mar 2026 23:31:43 +0100 Message-ID: <20260314223144.154349-1-osama.abdelkader@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260314_153151_140664_0DEB7DB3 X-CRM114-Status: GOOD ( 10.12 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org When the second kzalloc (host_context.vector.datap) fails in kvm_riscv_vcpu_alloc_vector_context, the first allocation (guest_context.vector.datap) is leaked. Free it before returning. Signed-off-by: Osama Abdelkader --- arch/riscv/kvm/vcpu_vector.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/riscv/kvm/vcpu_vector.c b/arch/riscv/kvm/vcpu_vector.c index 05f3cc2d8e31..5b6ad82d47be 100644 --- a/arch/riscv/kvm/vcpu_vector.c +++ b/arch/riscv/kvm/vcpu_vector.c @@ -80,8 +80,11 @@ int kvm_riscv_vcpu_alloc_vector_context(struct kvm_vcpu *vcpu) return -ENOMEM; vcpu->arch.host_context.vector.datap = kzalloc(riscv_v_vsize, GFP_KERNEL); - if (!vcpu->arch.host_context.vector.datap) + if (!vcpu->arch.host_context.vector.datap) { + kfree(vcpu->arch.guest_context.vector.datap); + vcpu->arch.guest_context.vector.datap = NULL; return -ENOMEM; + } return 0; } -- 2.43.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv