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 CE6EE28506C; Wed, 21 Jan 2026 18:34:24 +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=1769020464; cv=none; b=L3wU3sNvEW2MPadgBIwY1NQ3/85v1ZiBINJbHvRhbgrwdVTkvGtUXwdNy+p0U14ZarPFH/AWomdqxFwnLCQxoq3MQ8mChvzafvXymAvaISjNYCk7kThbmpTSw8XoVviwJjzPdAGFl/+hsMt+UOISXiR9GtlFxA+bv3i1ver6O1E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769020464; c=relaxed/simple; bh=LOWCw9MzjKKPrio+54NOeuFbJ1MLJNEXm5HI6wNXhio=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=r1n5jpqSbQmPZ0RNhhEZAp719qLPGU3tARgwfLPSFtsidDigDv1TZMvtMLY22KoKY3vwFdqHG+2AH5lmFZDGJt1yoFKJAvc06Wnvd5i2nqWgnNRav8co337Klfs0g0GRw3/Dmtk5ZcKY2DcuNDt8tMA7mmLS1GL6ObIDdMpV6Bk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=AVOlAx7J; 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="AVOlAx7J" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4F1C1C4CEF1; Wed, 21 Jan 2026 18:34:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1769020464; bh=LOWCw9MzjKKPrio+54NOeuFbJ1MLJNEXm5HI6wNXhio=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AVOlAx7JCgoe/TirRBxS6Z9p5Pw9FnliOlyjDUx5ABJrME+jaqXQO8P0rhXfQOpK1 nSPUwYjT8dO5SvLFG0/egaYurKf3IjXZ/av+tbNY8Zwd62nfSDN4gHVMSeDUdWcTG0 yauOx5EIxhzNVbszowclr1toFoxnHAguKTczrzuI= 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 6.18 165/198] LoongArch: KVM: Fix kvm_device leak in kvm_ipi_destroy() Date: Wed, 21 Jan 2026 19:16:33 +0100 Message-ID: <20260121181424.485176894@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 0bf58cb7288a4d3de6d8ecbb3a65928a9362bf21 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_ipi_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/ipi.c | 1 + 1 file changed, 1 insertion(+) --- a/arch/loongarch/kvm/intc/ipi.c +++ b/arch/loongarch/kvm/intc/ipi.c @@ -459,6 +459,7 @@ static void kvm_ipi_destroy(struct kvm_d ipi = kvm->arch.ipi; kvm_io_bus_unregister_dev(kvm, KVM_IOCSR_BUS, &ipi->device); kfree(ipi); + kfree(dev); } static struct kvm_device_ops kvm_ipi_dev_ops = {