From c326bce873df8fac60c4e8ba8508607f82bb5827 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Carlos=20Falgueras=20Garc=C3=ADa?= Date: Fri, 27 May 2016 16:56:54 +0200 Subject: set_elem: Copy user data memory MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit All attributes are passed by copy, so user data should be copied too. Signed-off-by: Carlos Falgueras García Signed-off-by: Pablo Neira Ayuso --- src/set_elem.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'src/set_elem.c') diff --git a/src/set_elem.c b/src/set_elem.c index 990be24..b9c7e1e 100644 --- a/src/set_elem.c +++ b/src/set_elem.c @@ -125,8 +125,14 @@ void nftnl_set_elem_set(struct nftnl_set_elem *s, uint16_t attr, s->timeout = *((uint64_t *)data); break; case NFTNL_SET_ELEM_USERDATA: /* NFTA_SET_ELEM_USERDATA */ - s->user.data = (void *)data; - s->user.len = data_len; + if (s->user.data != NULL) + xfree(s->user.data); + + s->user.data = malloc(data_len); + if (!s->user.data) + return; + memcpy(s->user.data, data, data_len); + s->user.len = data_len; break; default: return; -- cgit v1.2.3