From: Felix Fietkau <nbd@nbd.name>
Date: Mon, 9 Aug 2021 10:56:54 +0000 (+0200)
Subject: libubus: increase stack depth for processing obj msgs
X-Git-Url: http://git.openwrt.org/?a=commitdiff_plain;h=a72457b61df045d3c499a6211362b751710590d7;p=project%2Fubus.git

libubus: increase stack depth for processing obj msgs

Avoid running into an issue where issuing a request from an obj message
can lead to recursive message processing and list corruption

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

diff --git a/libubus.c b/libubus.c
index 7ce454e..aee2a3b 100644
--- a/libubus.c
+++ b/libubus.c
@@ -103,7 +103,9 @@ ubus_process_msg(struct ubus_context *ctx, struct ubus_msghdr_buf *buf, int fd)
 			break;
 		}
 
+		ctx->stack_depth++;
 		ubus_process_obj_msg(ctx, buf, fd);
+		ctx->stack_depth--;
 		break;
 	case UBUS_MSG_MONITOR:
 		if (ctx->monitor_cb)