git: 92c6cc8ee3a1 - stable/13 - netgraph: MFC: prevent panic with INVARIANTS-enabled kernel

From: Eugene Grosbein <eugen_at_FreeBSD.org>
Date: Sat, 12 Apr 2025 22:05:06 UTC
The branch stable/13 has been updated by eugen:

URL: https://cgit.FreeBSD.org/src/commit/?id=92c6cc8ee3a16f1a6f4dc339dbfa7aaf8f153fc2

commit 92c6cc8ee3a16f1a6f4dc339dbfa7aaf8f153fc2
Author:     Eugene Grosbein <eugen@FreeBSD.org>
AuthorDate: 2025-02-25 07:18:29 +0000
Commit:     Eugene Grosbein <eugen@FreeBSD.org>
CommitDate: 2025-04-12 22:04:43 +0000

    netgraph: MFC: prevent panic with INVARIANTS-enabled kernel
    
    This change makes NG_ABI_VERSION depend on INVARIANTS
    in addition to NETGRAPH_DEBUG.
    
    PR:             257876
    
    (cherry picked from commit 93b4a54456589e78dcd37f2db8333baff3f3f0b2)
---
 sys/netgraph/netgraph.h | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/sys/netgraph/netgraph.h b/sys/netgraph/netgraph.h
index 0c5594588a84..12d2ca99e280 100644
--- a/sys/netgraph/netgraph.h
+++ b/sys/netgraph/netgraph.h
@@ -69,11 +69,20 @@
  * modules.
  */
 #define _NG_ABI_VERSION 12
-#ifdef	NETGRAPH_DEBUG /*----------------------------------------------*/
-#define NG_ABI_VERSION	(_NG_ABI_VERSION + 0x10000)
-#else	/* NETGRAPH_DEBUG */ /*----------------------------------------------*/
-#define NG_ABI_VERSION	_NG_ABI_VERSION
-#endif	/* NETGRAPH_DEBUG */ /*----------------------------------------------*/
+
+#ifdef	NETGRAPH_DEBUG
+#define	_NG_ABI_PREFIX1 0x10000
+#else
+#define	_NG_ABI_PREFIX1 0
+#endif
+
+#ifdef	INVARIANTS
+#define	_NG_ABI_PREFIX2 0x20000
+#else
+#define	_NG_ABI_PREFIX2 0
+#endif
+
+#define NG_ABI_VERSION	(_NG_ABI_PREFIX1 + _NG_ABI_PREFIX2 + _NG_ABI_VERSION)
 
 /*
  * Forward references for the basic structures so we can