* [PATCH] mm/memfd: replace strcpy() by strscpy()
@ 2021-01-24 2:23 Stephen Zhang
2021-01-24 4:06 ` Matthew Wilcox
0 siblings, 1 reply; 2+ messages in thread
From: Stephen Zhang @ 2021-01-24 2:23 UTC (permalink / raw)
To: akpm; +Cc: linux-mm, linux-kernel, Stephen Zhang
The strcpy() function is being deprecated. Replace it by the safer
strscpy().
Signed-off-by: Stephen Zhang <stephenzhangzsd@gmail.com>
---
mm/memfd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/memfd.c b/mm/memfd.c
index 2647c89..bb90862 100644
--- a/mm/memfd.c
+++ b/mm/memfd.c
@@ -278,7 +278,7 @@ long memfd_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
if (!name)
return -ENOMEM;
- strcpy(name, MFD_NAME_PREFIX);
+ strscpy(name, MFD_NAME_PREFIX, len + MFD_NAME_PREFIX_LEN);
if (copy_from_user(&name[MFD_NAME_PREFIX_LEN], uname, len)) {
error = -EFAULT;
goto err_name;
--
1.8.3.1
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2021-01-24 4:09 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-01-24 2:23 [PATCH] mm/memfd: replace strcpy() by strscpy() Stephen Zhang
2021-01-24 4:06 ` Matthew Wilcox
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®