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* + mm-memfd-replace-strcpy-by-strscpy.patch added to -mm tree
@ 2021-01-24  3:56 akpm
  0 siblings, 0 replies; only message in thread
From: akpm @ 2021-01-24  3:56 UTC (permalink / raw)
  To: mike.kravetz, mm-commits, stephenzhangzsd


The patch titled
     Subject: mm/memfd: replace strcpy() by strscpy()
has been added to the -mm tree.  Its filename is
     mm-memfd-replace-strcpy-by-strscpy.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-memfd-replace-strcpy-by-strscpy.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-memfd-replace-strcpy-by-strscpy.patch

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------------------------------------------------------
From: Stephen Zhang <stephenzhangzsd@gmail.com>
Subject: mm/memfd: replace strcpy() by strscpy()

strcpy() is being deprecated.  Replace it with the safer strscpy().

Link: https://lkml.kernel.org/r/1611455017-2210-1-git-send-email-stephenzhangzsd@gmail.com
Signed-off-by: Stephen Zhang <stephenzhangzsd@gmail.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/memfd.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/memfd.c~mm-memfd-replace-strcpy-by-strscpy
+++ a/mm/memfd.c
@@ -278,7 +278,7 @@ SYSCALL_DEFINE2(memfd_create,
 	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;
_

Patches currently in -mm which might be from stephenzhangzsd@gmail.com are

mm-swapfilec-fix-debugging-information-problem.patch
mm-memfd-replace-strcpy-by-strscpy.patch
mm-early_ioremapc-use-__func__-instead-of-function-name.patch


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2021-01-24  3:56 + mm-memfd-replace-strcpy-by-strscpy.patch added to -mm tree akpm

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