Replace all snprintf() instances with scnprintf(). snprintf() returns
the number of bytes that would have been written had there been enough
space. For sysfs attributes, snprintf() should not be used for the
show() method. Instead use scnprintf() which returns the number of
bytes actually written.

Signed-off-by: Pranav Tyagi <pranav.tyagi03@gmail.com>
---
 fs/ecryptfs/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 8dd1d7189c3b..2a97c2b1fc69 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -764,7 +764,7 @@ static struct kobject *ecryptfs_kobj;
 static ssize_t version_show(struct kobject *kobj,
 			    struct kobj_attribute *attr, char *buff)
 {
-	return snprintf(buff, PAGE_SIZE, "%d\n", ECRYPTFS_VERSIONING_MASK);
+	return scnprintf(buff, PAGE_SIZE, "%d\n", ECRYPTFS_VERSIONING_MASK);
 }
 
 static struct kobj_attribute version_attr = __ATTR_RO(version);
-- 
2.49.0

On Mon, Jun 16, 2025 at 04:11:20PM +0530, Pranav Tyagi wrote:
> Replace all snprintf() instances with scnprintf(). snprintf() returns
> the number of bytes that would have been written had there been enough
> space. For sysfs attributes, snprintf() should not be used for the
> show() method. Instead use scnprintf() which returns the number of
> bytes actually written.
> 
> Signed-off-by: Pranav Tyagi <pranav.tyagi03@gmail.com>
> ---
>  fs/ecryptfs/main.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
> index 8dd1d7189c3b..2a97c2b1fc69 100644
> --- a/fs/ecryptfs/main.c
> +++ b/fs/ecryptfs/main.c
> @@ -764,7 +764,7 @@ static struct kobject *ecryptfs_kobj;
>  static ssize_t version_show(struct kobject *kobj,
>  			    struct kobj_attribute *attr, char *buff)
>  {
> -	return snprintf(buff, PAGE_SIZE, "%d\n", ECRYPTFS_VERSIONING_MASK);
> +	return scnprintf(buff, PAGE_SIZE, "%d\n", ECRYPTFS_VERSIONING_MASK);

sysfs_emit() or no change at all please.