lkml.org 
[lkml]   [2021]   [Jul]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH] dax: replace sprintf() by scnprintf()
Replace sprintf() by scnprintf() in order to avoid buffer overflows.

Signed-off-by: Salah Triki <salah.triki@gmail.com>
---
drivers/dax/bus.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
index 5aee26e1bbd6..bcae4be6ae76 100644
--- a/drivers/dax/bus.c
+++ b/drivers/dax/bus.c
@@ -76,7 +76,7 @@ static ssize_t do_id_store(struct device_driver *drv, const char *buf,
fields = sscanf(buf, "dax%d.%d", &region_id, &id);
if (fields != 2)
return -EINVAL;
- sprintf(devname, "dax%d.%d", region_id, id);
+ scnprintf(devname, DAX_NAME_LEN, "dax%d.%d", region_id, id);
if (!sysfs_streq(buf, devname))
return -EINVAL;

--
2.25.1
\
 
 \ /
  Last update: 2021-07-10 18:47    [W:0.059 / U:0.228 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site