linux-kernel - [PATCH] drivers/scsi: Fix kernel pointer leak

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Message-Id: <20210929122538.1158235-1-qtxuning1999@sjtu.edu.cn>
Date:   Wed, 29 Sep 2021 20:25:37 +0800
From:   Guo Zhi <qtxuning1999@...u.edu.cn>
To:     Matthew Wilcox <willy@...radead.org>,
        Hannes Reinecke <hare@...e.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Cc:     Guo Zhi <qtxuning1999@...u.edu.cn>, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] drivers/scsi: Fix kernel pointer leak

Pointers should be printed with %p or %px rather than cast to
'unsigned long' and pinted with %lx
Change %lx to %p to print the secured pointer.

Signed-off-by: Guo Zhi <qtxuning1999@...u.edu.cn>
---
 drivers/scsi/advansys.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index ffb391967573..97be0765cb9b 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -3308,8 +3308,8 @@ static void asc_prt_adv_board_info(struct seq_file *m, struct Scsi_Host *shost)
 		   shost->host_no);
 
 	seq_printf(m,
-		   " iop_base 0x%lx, cable_detect: %X, err_code %u\n",
-		   (unsigned long)v->iop_base,
+		   " iop_base 0x%p, cable_detect: %X, err_code %u\n",
+		   v->iop_base,
 		   AdvReadWordRegister(iop_base,IOPW_SCSI_CFG1) & CABLE_DETECT,
 		   v->err_code);
 
-- 
2.33.0