instance: avoid dumping invalid service instances - prevents a potential crash

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

diff --git a/service/instance.c b/service/instance.c
index f5b61fa42c626bde52c11d80455235b9d47a44b1..1fb65fa04d9343b2606cd0dd5975d490b72c8c58 100644 (file)
--- a/service/instance.c
+++ b/service/instance.c
@@ -871,6 +871,9 @@ void instance_dump(struct blob_buf *b, struct service_instance *in, int verbose)
 {
        void *i;
 
+       if (!in->valid)
+               return;
+
        i = blobmsg_open_table(b, in->name);
        blobmsg_add_u8(b, "running", in->proc.pending);
        if (in->proc.pending)