nfnetlink_log: zero-terminate prefix

[NETFILTER]: nfnetlink_log: zero-terminate prefix

Userspace expects a zero-terminated string, so include the trailing
zero in the netlink message.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 5c2980d07b7f7829aa10ca6c6e4e2963f86b6170..53c0ed2803f1586cbe9e5e71adf6b3284eed986c 100644 (file)
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -620,7 +620,7 @@ nfulnl_log_packet(unsigned int pf,
 
        plen = 0;
        if (prefix)
-               plen = strlen(prefix);
+               plen = strlen(prefix) + 1;
 
        /* all macros expand to constant values at compile time */
        /* FIXME: do we want to make the size calculation conditional based on