commit df7d2d83345e2e547c2cb3a83d3a8a099339a742

Author: Jan Synacek <jsynacek@redhat.com>

Date:   Fri Jan 6 13:28:04 2017 +0100

    ping: prevent possible double free after cap_free()

    Original bugreport: https://bugzilla.redhat.com/show_bug.cgi?id=1410114

diff --git a/ping_common.c b/ping_common.c

index 0b32d6a..b0825e3 100644

--- a/ping_common.c

+++ b/ping_common.c

@@ -159,6 +159,7 @@ int modify_capability(cap_value_t cap, cap_flag_value_t on)

 	}

 	cap_free(cap_p);

+	cap_p = NULL;

 	rc = 0;

 out: