From b32a0e17b37847e8357b53a358d1311bfc3ad5d2 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 9 Aug 2021 12:56:54 +0200 Subject: [PATCH] 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 (cherry picked from commit a72457b61df045d3c499a6211362b751710590d7) --- libubus.c | 2 ++ 1 file changed, 2 insertions(+) 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) -- 2.30.2