[tests/selinux] pr775-checkpolicy-revdeps: kernel/sctp_peer_label_bug: subscribe to events early (server)

[Ondrej Mosnacek <omosnace@redhat.com>]

            A new commit has been pushed.

            Repo   : tests/selinux
            Branch : pr775-checkpolicy-revdeps
            Commit : c776c35f825bc4e504c48ead56d559f0c09766bc
            Author : Ondrej Mosnacek <omosnace@redhat.com>
            Date   : 2022-02-14T23:39:52+01:00
            Stats  : +7/-7 in 1 file(s)
            URL    : https://src.fedoraproject.org/tests/selinux/c/c776c35f825bc4e504c48ead56d559f0c09766bc?branch=pr775-checkpolicy-revdeps

            Log:
            kernel/sctp_peer_label_bug: subscribe to events early (server)

This is needed to avoid a race condition.

Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>

---
diff --git a/kernel/sctp_peer_label_bug/sctp_bz2048251_server.c b/kernel/sctp_peer_label_bug/sctp_bz2048251_server.c
index bf47257..2af11f6 100644
--- a/kernel/sctp_peer_label_bug/sctp_bz2048251_server.c
+++ b/kernel/sctp_peer_label_bug/sctp_bz2048251_server.c
@@ -92,6 +92,13 @@ int main(int argc, char **argv)
 		exit(1);
 	}
 
+	/* Subscribe to assoc_id events */
+	result = set_subscr_events(sock, off, on, off, off);
+	if (result < 0) {
+		perror("Client setsockopt: SCTP_EVENTS");
+		return 1;
+	}
+
 	if (flag_file) {
 		FILE *f = fopen(flag_file, "w");
 		if (!f) {
@@ -102,13 +109,6 @@ int main(int argc, char **argv)
 		fclose(f);
 	}
 
-	/* Subscribe to assoc_id events */
-	result = set_subscr_events(sock, off, on, off, off);
-	if (result < 0) {
-		perror("Client setsockopt: SCTP_EVENTS");
-		return 1;
-	}
-
 	result = receive_assoc(sock, &sin, &sinlen, verbose);
 	if (result) {
 		close(sock);