git: 9d1baa1a87b0 - stable/14 - kobj: Assert class passed to kobj_init_static is compiled

From: John Baldwin <jhb_at_FreeBSD.org>
Date: Tue, 23 Jun 2026 19:11:31 UTC
The branch stable/14 has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=9d1baa1a87b070ff96ac01866635a01c5c7bc5ec

commit 9d1baa1a87b070ff96ac01866635a01c5c7bc5ec
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2026-05-06 20:53:46 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2026-06-23 16:06:45 +0000

    kobj: Assert class passed to kobj_init_static is compiled
    
    Inspired by discussion in
    https://github.com/freebsd/freebsd-src/pull/2016
    
    Reviewed by:    imp
    Differential Revision:  https://reviews.freebsd.org/D56624
    
    (cherry picked from commit 5a6e5954d14b589bcba0125d10a6c7b62b588f4b)
---
 sys/kern/subr_kobj.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/kern/subr_kobj.c b/sys/kern/subr_kobj.c
index 6569816d2ff0..38459f08b625 100644
--- a/sys/kern/subr_kobj.c
+++ b/sys/kern/subr_kobj.c
@@ -318,6 +318,8 @@ void
 kobj_init_static(kobj_t obj, kobj_class_t cls)
 {
 
+	KASSERT(cls->ops != NULL,
+	    ("%s: class %p is not compiled", __func__, cls));
 	KASSERT(kobj_mutex_inited == 0,
 	    ("%s: only supported during early cycles", __func__));