tcptracer: initialize skc_net variable

We need to do this in old kernels since the verifier was stricter then. Tested with 4.4.105.
yingtaojuzi · Dec 12, 2017 · 926d667 · 926d667
1 parent b384b76
commit 926d667
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tools/tcptracer.py b/tools/tcptracer.py
@@ -433,7 +433,7 @@
 
  // Get network namespace id, if kernel supports it
 #ifdef CONFIG_NET_NS
- possible_net_t skc_net;
+ possible_net_t skc_net = { };
  bpf_probe_read(&skc_net, sizeof(skc_net), &newsk->__sk_common.skc_net);
  bpf_probe_read(&net_ns_inum, sizeof(net_ns_inum), &skc_net.net->ns.inum);
 #else