Commit cc8b15a2c435 for kernel

commit cc8b15a2c435bd1caf19741ba85286846a115764
Author: David Laight <david.laight.linux@gmail.com>
Date:   Sat Jun 6 21:27:42 2026 +0100

    net/9p: Replace strlen() strcpy() pair with strscpy()

    Use the result of strscpy() for the overflow check.

    Signed-off-by: David Laight <david.laight.linux@gmail.com>
    Message-ID: <20260606202744.5113-3-david.laight.linux@gmail.com>
    Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>

diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index dbad3213ba84..eb685b52aeb2 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -940,14 +940,12 @@ p9_fd_create_unix(struct p9_client *client, struct fs_context *fc)
 	if (!addr || !strlen(addr))
 		return -EINVAL;

-	if (strlen(addr) >= UNIX_PATH_MAX) {
+	sun_server.sun_family = PF_UNIX;
+	if (strscpy(sun_server.sun_path, addr) < 0) {
 		pr_err("%s (%d): address too long: %s\n",
 		       __func__, task_pid_nr(current), addr);
 		return -ENAMETOOLONG;
 	}
-
-	sun_server.sun_family = PF_UNIX;
-	strcpy(sun_server.sun_path, addr);
 	err = __sock_create(current->nsproxy->net_ns, PF_UNIX,
 			    SOCK_STREAM, 0, &csocket, 1);
 	if (err < 0) {