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Description: Support Linux 6.19
With the new Linux Kernel 6.19, the bind/connect APIs for the sockets
require to cast to a "struct sockaddr_unsized *" instead of a
"struct sockaddr *".
Author: Alessio Faina <alessio.faina@canonical.com>
Origin: Vendor
Bug-Ubuntu: https://bugs.launchpad.net/bugs/2143742
Last-Update: 2026-03-09
---
--- iptables-netflow-2.6.orig/ipt_NETFLOW.c
+++ iptables-netflow-2.6/ipt_NETFLOW.c
@@ -2025,7 +2025,11 @@ static struct socket *usock_open_sock(st
salen = sizeof(struct sockaddr_in);
else if (usock->saddr.ss_family == AF_INET6)
salen = sizeof(struct sockaddr_in6);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 19, 0)
+ if ((error = sock->ops->bind(sock, (struct sockaddr_unsized *)&usock->saddr, salen)) < 0) {
+#else
if ((error = sock->ops->bind(sock, (struct sockaddr *)&usock->saddr, salen)) < 0) {
+#endif
printk(KERN_ERR "ipt_NETFLOW: error binding socket %d\n", -error);
goto err_free_sock;
}
@@ -2035,7 +2039,11 @@ static struct socket *usock_open_sock(st
sock->sk->sk_sndbuf = sndbuf;
else
sndbuf = sock->sk->sk_sndbuf;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 19, 0)
+ error = sock->ops->connect(sock, (struct sockaddr_unsized *)&usock->addr, sizeof(usock->addr), 0);
+#else
error = sock->ops->connect(sock, (struct sockaddr *)&usock->addr, sizeof(usock->addr), 0);
+#endif
if (error < 0) {
printk(KERN_ERR "ipt_NETFLOW: error connecting UDP socket %d,"
" don't worry, will try reconnect later.\n", -error);
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