The patch titled Subject: mm/damon/sysfs-schemes: use strscpy() to instead of strncpy() has been added to the -mm mm-unstable branch. Its filename is mm-damon-sysfs-schemes-use-strscpy-to-instead-of-strncpy.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-damon-sysfs-schemes-use-strscpy-to-instead-of-strncpy.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Xu Panda <xu.panda@xxxxxxxxxx> Subject: mm/damon/sysfs-schemes: use strscpy() to instead of strncpy() Date: Mon, 9 Jan 2023 19:46:55 +0800 (CST) The implementation of strscpy() is more robust and safer. That's now the recommended way to copy NUL-terminated strings. Link: https://lkml.kernel.org/r/202301091946553770006@xxxxxxxxxx Signed-off-by: Xu Panda <xu.panda@xxxxxxxxxx> Signed-off-by: Yang Yang <yang.yang29@xxxxxxxxxx> Reviewed-by: SeongJae Park <sj@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/damon/sysfs-schemes.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/mm/damon/sysfs-schemes.c~mm-damon-sysfs-schemes-use-strscpy-to-instead-of-strncpy +++ a/mm/damon/sysfs-schemes.c @@ -353,8 +353,7 @@ static ssize_t memcg_path_store(struct k if (!path) return -ENOMEM; - strncpy(path, buf, count); - path[count] = '\0'; + strscpy(path, buf, count + 1); filter->memcg_path = path; return count; } _ Patches currently in -mm which might be from xu.panda@xxxxxxxxxx are selftests-vm-ksm_functional_tests-fix-a-typo-in-comment.patch mm-damon-sysfs-schemes-use-strscpy-to-instead-of-strncpy.patch