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 A0CBF2D97A2; Wed, 21 Jan 2026 18:34:18 +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=1769020458; cv=none; b=t9CGeNGgoUXmgrZHX+4TX5Dw+dGFwTUqzzdbdWQ4DoA2hl71LfqlIbWRHeEQ4h42i8gcx+pgVCesFIwTi0kVUlSW6HsZSm0X68sdYQJ5lRJpWXsOF/mHnBMhNrk5rPgejmAL/TDci3747utz0caNFH6m+ENrpKzLOtf0Yz7Ur6E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769020458; c=relaxed/simple; bh=0sAy9jZHsq1Qan1Z6bbZniMqj+bTC9BDueG8+BUYwTk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YC2pgqF1kH+5MrHkuPWTxA9VmssbxdY03eSnuQY97nMnJUj91yI8bQ7HYPL/iw77vWadf5FBuWlqqONmuvHnxAWOcVLcU1v4zY0rtILTLQ12mONKm46FYpGnU7nmv3z4Wx4WRvko288JOfE8uTK+ZkHHi3OAD1RoHKFwqveErWA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=zGznZ1Hq; 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="zGznZ1Hq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D7296C4CEF1; Wed, 21 Jan 2026 18:34:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1769020458; bh=0sAy9jZHsq1Qan1Z6bbZniMqj+bTC9BDueG8+BUYwTk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zGznZ1HqD42dShTzEdRAlAOIPg7WRhN+YcrFCektIfcRWRqApzx/z45B/2+38MF8j QUYpg9azMAscLmzxZ/+kGPvDLmiYJqL2rO+rAune48T1WPuz1YlRSuudvXGPlzH7KK /Bd9TnICrs8L06I73/JnmOQCD3h+d/MArC0CjoGM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Bibo Mao , Qiang Ma , Huacai Chen Subject: [PATCH 6.18 164/198] LoongArch: KVM: Fix kvm_device leak in kvm_eiointc_destroy() Date: Wed, 21 Jan 2026 19:16:32 +0100 Message-ID: <20260121181424.450369012@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260121181418.537774329@linuxfoundation.org> References: <20260121181418.537774329@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Qiang Ma commit 7d8553fc75aefa7ec936af0cf8443ff90b51732e upstream. In kvm_ioctl_create_device(), kvm_device has allocated memory, kvm_device->destroy() seems to be supposed to free its kvm_device struct, but kvm_eiointc_destroy() is not currently doing this, that would lead to a memory leak. So, fix it. Cc: stable@vger.kernel.org Reviewed-by: Bibo Mao Signed-off-by: Qiang Ma Signed-off-by: Huacai Chen Signed-off-by: Greg Kroah-Hartman --- arch/loongarch/kvm/intc/eiointc.c | 1 + 1 file changed, 1 insertion(+) --- a/arch/loongarch/kvm/intc/eiointc.c +++ b/arch/loongarch/kvm/intc/eiointc.c @@ -679,6 +679,7 @@ static void kvm_eiointc_destroy(struct k kvm_io_bus_unregister_dev(kvm, KVM_IOCSR_BUS, &eiointc->device); kvm_io_bus_unregister_dev(kvm, KVM_IOCSR_BUS, &eiointc->device_vext); kfree(eiointc); + kfree(dev); } static struct kvm_device_ops kvm_eiointc_dev_ops = {