Call sysctl_dumpentry() with shared netlock. It performs read-only

access to netlock protected data. Please note, kernel lock is still
taken, as required by rtable_getsource() or BFD subsystem.

ok kn@ bluhm@

diff --git a/sys/net/rtsock.c b/sys/net/rtsock.c
index e9ba46e..b6d3c06 100644 (file)
--- a/sys/net/rtsock.c
+++ b/sys/net/rtsock.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: rtsock.c,v 1.361 2023/04/18 09:55:34 mvs Exp $        */
+/*     $OpenBSD: rtsock.c,v 1.362 2023/04/18 09:56:54 mvs Exp $        */
 /*     $NetBSD: rtsock.c,v 1.18 1996/03/29 00:32:10 cgd Exp $  */
 
 /*
@@ -2159,7 +2159,7 @@ sysctl_rtable(int *name, u_int namelen, void *where, size_t *given, void *new,
        switch (w.w_op) {
        case NET_RT_DUMP:
        case NET_RT_FLAGS:
-               NET_LOCK();
+               NET_LOCK_SHARED();
                for (i = 1; i <= AF_MAX; i++) {
                        if (af != 0 && af != i)
                                continue;
@@ -2171,7 +2171,7 @@ sysctl_rtable(int *name, u_int namelen, void *where, size_t *given, void *new,
                        if (error)
                                break;
                }
-               NET_UNLOCK();
+               NET_UNLOCK_SHARED();
                break;
 
        case NET_RT_IFLIST: