libxtables: Fix memleak in xtopt_parse_hostmask()

The allocated hostmask duplicate needs to be freed again.

Fixes: 66266abd17adc ("libxtables: XTTYPE_HOSTMASK support")
Signed-off-by: Phil Sutter <phil@nwl.cc>

diff --git a/libxtables/xtoptions.c b/libxtables/xtoptions.c
index d329f2ff7979e590d1b9ac217c93b6616711bebc..0dcdf607f46782615dba7a26ff2b65be66d67c75 100644 (file)
--- a/libxtables/xtoptions.c
+++ b/libxtables/xtoptions.c
@@ -763,6 +763,7 @@ static void xtopt_parse_hostmask(struct xt_option_call *cb)
        cb->arg = p;
        xtopt_parse_plenmask(cb);
        cb->arg = orig_arg;
+       free(work);
 }
 
 static void xtopt_parse_ethermac(struct xt_option_call *cb)