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 5151850E5A5; Thu, 17 Sep 2026 17:32:28 +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=1789666349; cv=none; b=lNrYqhsq05Me08qMMnt2pqnu7WIRN2sogr3VloobV4A1clI3ysPnR1O2isRb/Qy3lwoPoLWXO6VcBxd4Iq74Ld4dKI8hk15UBjYAzlXu7GczEaj0qouBYExjVcvuBa8WnrlJCY8UHA6Vud5tvChksAh3PSEvCbFJCA2vC9aeT2Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789666349; c=relaxed/simple; bh=xSKZBIiUO8OBT5zuIs9k0KsQm+WJ8HwB48J76OHtwJc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=etxxxcmIk88tWAP4meIVRDqAvVyyA7xuSUMNw2evNyguh9uVSWju0UpSv4XA5b3cUQAyy05HlLg/sKcOQJENpPI8NyCZBQdOYzlzvbZfL9QvOdWMQGQPt4ZDgHtQSOk8KCPwNsg16wDft2U5aASNiwtTeLLdW/VNjHV9wU0zm7k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=bnLCq6GP; 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="bnLCq6GP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A87E31F000FF; Thu, 17 Sep 2026 17:32:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789666348; bh=1LmCKAO6oqiVJb7qSMrhpTKWDlZLgLmgIkybD8nspO4=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=bnLCq6GPByRBN09cMvNbnQD86jem3o/Hv1wzDbiyZxqePleMFnnOvHx2Wwhk2b+CC d7ib91b0O79EtKGYSCCGXkSJMXson5pXMWZcDjfBYhYzLC9H/9Y5cph35lXMJ/sbUO VKHVxJ1aj9QTi94mKU66vAK++NnZV/DGfbkzblao= 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 6.18 1007/1250] drm/i915: Fix memory leak in query_perf_config_list() Date: Thu, 17 Sep 2026 16:13:22 +0100 Message-ID: <20260917151619.337372035@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260917151551.901433442@linuxfoundation.org> References: <20260917151551.901433442@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 6.18-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 @@ -401,8 +401,10 @@ 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);