From: Florian Westphal <fw@strlen.de>
Date: Wed, 25 Feb 2026 11:05:40 +0000 (+0100)
Subject: mnl: restore nft monitor to working state
X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=de904e22faa2e450d0d4802e1d9bc22013044f93;p=thirdparty%2Fnftables.git

mnl: restore nft monitor to working state

monitor tests are currently broken:
./run-tests.sh: line 60:  6490 Aborted                    $nft -nn monitor $monitor_args > $monitor_output
*** bit out of range 0 - FD_SETSIZE on fd_set ***: terminated

Fixes: 868040f89223 ("configure: Implement --enable-profiling option")
Signed-off-by: Florian Westphal <fw@strlen.de>
---

diff --git a/src/mnl.c b/src/mnl.c
index 3f3ef82a..eb6cb12c 100644
--- a/src/mnl.c
+++ b/src/mnl.c
@@ -2410,7 +2410,7 @@ int mnl_nft_event_listener(struct mnl_socket *nf_sock, unsigned int debug_mask,
 		if (ret < 0)
 			return -1;
 
-		if (FD_ISSET(sigfd, &readfds))
+		if (sigfd >= 0 && FD_ISSET(sigfd, &readfds))
 			check_signalfd(sigfd);
 
 		if (FD_ISSET(fd, &readfds)) {