From af22a169c1e480b991eb8c4e69674bf5846d6215 Mon Sep 17 00:00:00 2001 From: Sven Eckelmann Date: Sat, 18 Nov 2023 16:29:09 +0100 Subject: [PATCH] dnsmasq: mark global ubus context as closed after fork If the dnsmasq process forks to handle TCP connections, it closes the ubus context. But instead of changing the daemon wide pointer to NULL, only the local variable was adjusted - and this portion of the code was even dropped (dead store) by some optimizing compilers. It makes more sense to change the daemon->ubus pointer because various functions are already checking it for NULL. It is also the behavior which ubus_destroy() implements. Fixes: d8b33dad0bb7 ("dnsmasq: add support for monitoring and modifying dns lookup results via ubus") Signed-off-by: Sven Eckelmann (cherry picked from commit 711dcb77630e96e75413b5cdbe3ddb5432f394f6) --- package/network/services/dnsmasq/patches/200-ubus_dns.patch | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package/network/services/dnsmasq/patches/200-ubus_dns.patch b/package/network/services/dnsmasq/patches/200-ubus_dns.patch index 8a70bb8bdf..ccbe70ab9c 100644 --- a/package/network/services/dnsmasq/patches/200-ubus_dns.patch +++ b/package/network/services/dnsmasq/patches/200-ubus_dns.patch @@ -210,7 +210,7 @@ + return; + + ubus_free(ubus); -+ ubus = NULL; ++ daemon->ubus = NULL; +} + static int ubus_handle_metrics(struct ubus_context *ctx, struct ubus_object *obj, -- 2.30.2