From b95271e96190f0b854b46c8d5b8aab1a812d35a8 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sat, 27 Jun 2020 00:37:01 +0200
Subject: pflocal: Fix crash on passing erroneous port

* pflocal/socket.c (S_socket_getopt): Read `user->sock' after checking
  `user'.
---
 pflocal/socket.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'pflocal/socket.c')

diff --git a/pflocal/socket.c b/pflocal/socket.c
index d0751c9f..7a856bec 100644
--- a/pflocal/socket.c
+++ b/pflocal/socket.c
@@ -435,11 +435,13 @@ S_socket_getopt (struct sock_user *user,
 {
   int ret = 0;
   struct pipe *pipe;
-  struct sock *sock = user->sock;
+  struct sock *sock;
 
   if (!user)
     return EOPNOTSUPP;
 
+  sock = user->sock;
+
   pthread_mutex_lock (&sock->lock);
   switch (level)
     {
-- 
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