From 4ec80cc7d08a48a19d112da760e36fa9e47e9106 Mon Sep 17 00:00:00 2001
From: Phil Sutter <psutter@redhat.com>
Date: Tue, 29 Jan 2019 18:12:15 +0100
Subject: [PATCH] flowtable: Fix for reading garbage

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1661327
Upstream Status: libnftnl commit f8eed54150fd4

commit f8eed54150fd49ed814e63a5db39eda67d4b3938
Author: Phil Sutter <phil@nwl.cc>
Date:   Thu Dec 20 21:03:31 2018 +0100

    flowtable: Fix for reading garbage

    nftnl_flowtable_get_data() doesn't assign to passt data_len pointer
    destination in all cases, so initialize it to 0.

    Fixes: eb58f53372e74 ("src: add flowtable support")
    Signed-off-by: Phil Sutter <phil@nwl.cc>
    Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 src/flowtable.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/flowtable.c b/src/flowtable.c
index 1762bd1..3c3ba66 100644
--- a/src/flowtable.c
+++ b/src/flowtable.c
@@ -245,7 +245,7 @@ EXPORT_SYMBOL(nftnl_flowtable_get_str);
 
 uint32_t nftnl_flowtable_get_u32(const struct nftnl_flowtable *c, uint16_t attr)
 {
-	uint32_t data_len;
+	uint32_t data_len = 0;
 	const uint32_t *val = nftnl_flowtable_get_data(c, attr, &data_len);
 
 	nftnl_assert(val, attr, data_len == sizeof(uint32_t));
@@ -256,7 +256,7 @@ EXPORT_SYMBOL(nftnl_flowtable_get_u32);
 
 int32_t nftnl_flowtable_get_s32(const struct nftnl_flowtable *c, uint16_t attr)
 {
-	uint32_t data_len;
+	uint32_t data_len = 0;
 	const int32_t *val = nftnl_flowtable_get_data(c, attr, &data_len);
 
 	nftnl_assert(val, attr, data_len == sizeof(int32_t));
-- 
1.8.3.1