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

access to netlock protected data.

ok kn@ bluhm@

diff --git a/sys/net/rtsock.c b/sys/net/rtsock.c
index 58afbba..fbd4177 100644 (file)
--- a/sys/net/rtsock.c
+++ b/sys/net/rtsock.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: rtsock.c,v 1.364 2023/04/19 17:42:47 bluhm Exp $      */
+/*     $OpenBSD: rtsock.c,v 1.365 2023/04/20 21:43:17 mvs Exp $        */
 /*     $NetBSD: rtsock.c,v 1.18 1996/03/29 00:32:10 cgd Exp $  */
 
 /*
@@ -2205,7 +2205,7 @@ sysctl_rtable(int *name, u_int namelen, void *where, size_t *given, void *new,
                tableid = w.w_arg;
                if (!rtable_exists(tableid))
                        return (ENOENT);
-               NET_LOCK();
+               NET_LOCK_SHARED();
                for (i = 1; i <= AF_MAX; i++) {
                        if (af != 0 && af != i)
                                continue;
@@ -2216,7 +2216,7 @@ sysctl_rtable(int *name, u_int namelen, void *where, size_t *given, void *new,
                        if (error)
                                break;
                }
-               NET_UNLOCK();
+               NET_UNLOCK_SHARED();
                break;
        }
        free(w.w_tmem, M_RTABLE, w.w_tmemsize);