diff options
| -rw-r--r-- | sys/kern/kern_environment.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/kern_environment.c b/sys/kern/kern_environment.c index af3449f2b0bd..f7be09b6eb72 100644 --- a/sys/kern/kern_environment.c +++ b/sys/kern/kern_environment.c @@ -250,6 +250,8 @@ init_static_kenv(char *buf, size_t len) char *eval; KASSERT(!dynamic_kenv, ("kenv: dynamic_kenv already initialized")); + KASSERT(len == 0 || *buf == '\0', + ("kenv: sized buffer must be initially empty")); /* * We may be called twice, with the second call needed to relocate |