Blame SOURCES/0011-netlink-Complain-if-setting-O_NONBLOCK-fails.patch
|
 |
ad45ff |
From 094f7dd2dce0c449313f1f1ea69dc849fc89b62a Mon Sep 17 00:00:00 2001
|
|
|
ad45ff |
From: Phil Sutter <psutter@redhat.com>
|
|
|
ad45ff |
Date: Wed, 20 Jun 2018 09:22:47 +0200
|
|
|
ad45ff |
Subject: [PATCH] netlink: Complain if setting O_NONBLOCK fails
|
|
|
ad45ff |
|
|
|
ad45ff |
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1504157
|
|
|
ad45ff |
Upstream Status: nftables commit 4342fcbd40534
|
|
|
ad45ff |
|
|
|
ad45ff |
commit 4342fcbd40534158107ebe6a10e5f7886b3e8ced
|
|
|
ad45ff |
Author: Phil Sutter <phil@nwl.cc>
|
|
|
ad45ff |
Date: Thu Mar 1 15:00:31 2018 +0100
|
|
|
ad45ff |
|
|
|
ad45ff |
netlink: Complain if setting O_NONBLOCK fails
|
|
|
ad45ff |
|
|
|
ad45ff |
Assuming that code is not aware that reads from netlink socket may
|
|
|
ad45ff |
block, treat inability to set O_NONBLOCK flag as fatal initialization
|
|
|
ad45ff |
error aborting program execution.
|
|
|
ad45ff |
|
|
|
ad45ff |
Signed-off-by: Phil Sutter <phil@nwl.cc>
|
|
|
ad45ff |
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
|
|
|
ad45ff |
---
|
|
|
ad45ff |
src/netlink.c | 3 ++-
|
|
|
ad45ff |
1 file changed, 2 insertions(+), 1 deletion(-)
|
|
|
ad45ff |
|
|
|
ad45ff |
diff --git a/src/netlink.c b/src/netlink.c
|
|
|
ad45ff |
index ca0e207..ebfad18 100644
|
|
|
ad45ff |
--- a/src/netlink.c
|
|
|
ad45ff |
+++ b/src/netlink.c
|
|
|
ad45ff |
@@ -58,7 +58,8 @@ struct mnl_socket *netlink_open_sock(void)
|
|
|
ad45ff |
if (nf_sock == NULL)
|
|
|
ad45ff |
netlink_init_error();
|
|
|
ad45ff |
|
|
|
ad45ff |
- fcntl(mnl_socket_get_fd(nf_sock), F_SETFL, O_NONBLOCK);
|
|
|
ad45ff |
+ if (fcntl(mnl_socket_get_fd(nf_sock), F_SETFL, O_NONBLOCK))
|
|
|
ad45ff |
+ netlink_init_error();
|
|
|
ad45ff |
|
|
|
ad45ff |
return nf_sock;
|
|
|
ad45ff |
}
|
|
|
ad45ff |
--
|
|
|
ad45ff |
1.8.3.1
|
|
|
ad45ff |
|