From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 C64CE8003D; Thu, 17 Sep 2026 15:51:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789660267; cv=none; b=hwSZPx9jbc2Ht2luyTyq/OosUFN4EdfpWNbDcq0VNVi24oXMMqP57fXECMcdQdV0SFrjTh/YGOUVXQjowT0luaNsJfJ0DOD4Sji6YhNyYz0FYXqQQmFqMD6iyCrMxOFq0XaGFO7xBse/cCg7BZRRsS/PSLco5UkV/nhodUPRhQ4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789660267; c=relaxed/simple; bh=RFdFpv19o0LYowLZlSanM/yoT/mIHSg32TuyVgkvMTs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YXKSygfF2LQd8RoRVRzuBAZnCnyn/tG7+KJE798+xtzK0zAIz2Edlr5KsEjNU1yVe+54FRw1M/A9VD+aEzI1sb4Xqd8w1+bCT2KJLAf8cGk9YaihoLqpcnC/uB9PfFgy1ees0jt9A3WCXcJFiFe73EtVYGxviiQMzMqjkS1NEhs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=TxX+VaZy; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="TxX+VaZy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 107BE1F00893; Thu, 17 Sep 2026 15:50:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789660259; bh=fO4+hnF3gl8wUtUUfutrJBkPm87hxvHzebu/K0P4I+0=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=TxX+VaZy4UYaE3v7xKjDpeVO3A476JTx8mKsjBXELTfUjgn+/98dJjX9M/Iy+gtgZ EXPmgTLVxITcD+iRq+M5kxk9iq7UyN4WY5q/GiBQUyA6rtiuOSyqGVd4DaKGlDFbn1 KdJdQjdwe50GeIYXlDcTYs+KMNxWLlvJ65g7wdfI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Thorsten Blum , Andi Shyti , Jani Nikula Subject: [PATCH 7.2 531/733] drm/i915: Fix memory leak in query_perf_config_list() Date: Thu, 17 Sep 2026 16:13:59 +0100 Message-ID: <20260917151405.428606639@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260917151350.597953846@linuxfoundation.org> References: <20260917151350.597953846@linuxfoundation.org> User-Agent: quilt/0.69 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 7.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Thorsten Blum commit cbd3dafc2003db679ccd2f6c6a2551db79657049 upstream. When krealloc() fails, free the original oa_config_ids before returning to avoid a memory leak. Fixes: 4f6ccc74a85c ("drm/i915: add support for perf configuration queries") Signed-off-by: Thorsten Blum Cc: # v5.5+ Reviewed-by: Andi Shyti Signed-off-by: Andi Shyti Link: https://patch.msgid.link/20260823205028.178597-2-thorsten.blum@linux.dev (cherry picked from commit 9977e9d84f46d4f12ad35fbbc0ec4638554bce87) Signed-off-by: Jani Nikula Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/i915_query.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/i915/i915_query.c +++ b/drivers/gpu/drm/i915/i915_query.c @@ -403,8 +403,10 @@ static int query_perf_config_list(struct ids = krealloc(oa_config_ids, n_configs * sizeof(*oa_config_ids), GFP_KERNEL); - if (!ids) + if (!ids) { + kfree(oa_config_ids); return -ENOMEM; + } alloc = fetch_and_zero(&n_configs);