Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Daniel Borkmann says:

====================
pull-request: bpf 2021-03-18

The following pull-request contains BPF updates for your *net* tree.

We've added 10 non-merge commits during the last 4 day(s) which contain
a total of 14 files changed, 336 insertions(+), 94 deletions(-).

The main changes are:

1) Fix fexit/fmod_ret trampoline for sleepable programs, and also fix a ftrace
   splat in modify_ftrace_direct() on address change, from Alexei Starovoitov.

2) Fix two oob speculation possibilities that allows unprivileged to leak mem
   via side-channel, from Piotr Krysiuk and Daniel Borkmann.

3) Fix libbpf's netlink handling wrt SOCK_CLOEXEC, from Kumar Kartikeya Dwivedi.

4) Fix libbpf's error handling on failure in getting section names, from Namhyung Kim.

5) Fix tunnel collect_md BPF selftest wrt Geneve option handling, from Hangbin Liu.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/tools/lib/bpf/netlink.c b/tools/lib/bpf/netlink.c
index 4dd73de00b6f..d2cb28e9ef52 100644
--- a/tools/lib/bpf/netlink.c
+++ b/tools/lib/bpf/netlink.c
@@ -40,7 +40,7 @@ static int libbpf_netlink_open(__u32 *nl_pid)
 	memset(&sa, 0, sizeof(sa));
 	sa.nl_family = AF_NETLINK;
 
-	sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
+	sock = socket(AF_NETLINK, SOCK_RAW | SOCK_CLOEXEC, NETLINK_ROUTE);
 	if (sock < 0)
 		return -errno;