linux-kernel - [PATCH] mtd: gpmi: fix raw_buffer pointer double free issue

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 4 Apr 2016 12:25:10 -0500
From:	Han Xu <han.xu@....com>
To:	<han.xu@....com>, <boris.brezillon@...e-electrons.com>,
	<richard@....at>, <dwmw2@...radead.org>,
	<computersforpeace@...il.com>
CC:	<linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] mtd: gpmi: fix raw_buffer pointer double free issue

fix the raw_buffer pointer double free issue found by coverify.

Signed-off-by: Han Xu <han.xu@....com>
---
 drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 8122c69..dcb60b0 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -797,6 +797,7 @@ static void gpmi_free_dma_buffer(struct gpmi_nand_data *this)
 
 	this->cmd_buffer	= NULL;
 	this->data_buffer_dma	= NULL;
+	this->raw_buffer	= NULL;
 	this->page_buffer_virt	= NULL;
 	this->page_buffer_size	=  0;
 }
-- 
1.9.1