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 9317134104B; Sat, 30 May 2026 17:50:15 +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=1780163416; cv=none; b=r4DMOOsiraCvduB2LS5JahNUBpdQip8Q8+sOI51sknnqP20PHve6AhATMa2QabrDW4HxZNp2s6X21p3nYFpMMWQCQGaH0kFV6ymH0pxbe9ioAuHIwzivBhqYUyW93i3D0Xiav9P485BPkQhKkjLCFsNRxvOb2jw8NrvxQW5VrQg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780163416; c=relaxed/simple; bh=+Yo2JfMOnsmZ6JjUMEOsuI7Yhj6BzwRCVYwkgQ/lAfw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=tl8VRAG9ARARoMzO8lrtQtnCLbJ5u9HsQQiCWh0uJSrhdHzPiytnOsI78YvZogem3eCoU1Odw8Un+Smx+SefUS27199RNrIlCQKg6TRPun97epA3E8MCAsQmy7sAziM3u3eJC7x2PoXss3SqoJg+mDJUh45BjAwIZ0AMwGTV1IM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=mRiuUBHl; 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="mRiuUBHl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D6B951F00893; Sat, 30 May 2026 17:50:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1780163415; bh=77l2UOKurVcI1k9ezP6vzJ2aCSoW9jPyw5fZ4z0Xe8k=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=mRiuUBHluc5CF98Fo5wXSGYD/1YI/71YogdS7AYszXRkyiXk7HHYRNHYKRwIJ9La2 QSI7/xA4GHqF+s8vpM1pp4A658U2AaRMngqPlEihKVwRTzmGT5XSW/CF0vVcLCJu4x D2qRKtx2nQzeiokxYl1iconqdEuNemy1Vt3aDQ/Y= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Thorsten Blum , Herbert Xu Subject: [PATCH 5.15 251/776] crypto: atmel-aes - Fix 3-page memory leak in atmel_aes_buff_cleanup Date: Sat, 30 May 2026 17:59:25 +0200 Message-ID: <20260530160247.019586031@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260530160240.228940103@linuxfoundation.org> References: <20260530160240.228940103@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 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Thorsten Blum commit 3fcfff4ed35f963380a68741bcd52742baff7f76 upstream. atmel_aes_buff_init() allocates 4 pages using __get_free_pages() with ATMEL_AES_BUFFER_ORDER, but atmel_aes_buff_cleanup() frees only the first page using free_page(), leaking the remaining 3 pages. Use free_pages() with ATMEL_AES_BUFFER_ORDER to fix the memory leak. Fixes: bbe628ed897d ("crypto: atmel-aes - improve performances of data transfer") Cc: stable@vger.kernel.org Signed-off-by: Thorsten Blum Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- drivers/crypto/atmel-aes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -2329,7 +2329,7 @@ static int atmel_aes_buff_init(struct at static void atmel_aes_buff_cleanup(struct atmel_aes_dev *dd) { - free_page((unsigned long)dd->buf); + free_pages((unsigned long)dd->buf, ATMEL_AES_BUFFER_ORDER); } static int atmel_aes_dma_init(struct atmel_aes_dev *dd)