This is a note to let you know that I've just added the patch titled configfs: replace strncpy with memcpy to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: configfs-replace-strncpy-with-memcpy.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 1823342a1f2b47a4e6f5667f67cd28ab6bc4d6cd Mon Sep 17 00:00:00 2001 From: Guenter Roeck <linux@xxxxxxxxxxxx> Date: Sun, 1 Jul 2018 13:56:54 -0700 Subject: configfs: replace strncpy with memcpy From: Guenter Roeck <linux@xxxxxxxxxxxx> commit 1823342a1f2b47a4e6f5667f67cd28ab6bc4d6cd upstream. gcc 8.1.0 complains: fs/configfs/symlink.c:67:3: warning: 'strncpy' output truncated before terminating nul copying as many bytes from a string as its length fs/configfs/symlink.c: In function 'configfs_get_link': fs/configfs/symlink.c:63:13: note: length computed here Using strncpy() is indeed less than perfect since the length of data to be copied has already been determined with strlen(). Replace strncpy() with memcpy() to address the warning and optimize the code a little. Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> Signed-off-by: Christoph Hellwig <hch@xxxxxx> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu@xxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/configfs/symlink.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/configfs/symlink.c +++ b/fs/configfs/symlink.c @@ -64,7 +64,7 @@ static void fill_item_path(struct config /* back up enough to print this bus id with '/' */ length -= cur; - strncpy(buffer + length,config_item_name(p),cur); + memcpy(buffer + length, config_item_name(p), cur); *(buffer + --length) = '/'; } } Patches currently in stable-queue which might be from linux@xxxxxxxxxxxx are queue-4.4/hwmon-pmbus-fix-page-count-auto-detection.patch queue-4.4/configfs-replace-strncpy-with-memcpy.patch