diff options
author | Carlos Falgueras García <carlosfg@riseup.net> | 2016-05-27 16:56:54 +0200 |
---|---|---|
committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2016-05-30 11:46:34 +0200 |
commit | c326bce873df8fac60c4e8ba8508607f82bb5827 (patch) | |
tree | 9d53d566cb814f4e733d1e6b84bbcc551f47f51f /src/set_elem.c | |
parent | 88529a7ea173921efa15671b971655da5002ade1 (diff) |
set_elem: Copy user data memory
All attributes are passed by copy, so user data should be copied too.
Signed-off-by: Carlos Falgueras García <carlosfg@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/set_elem.c')
-rw-r--r-- | src/set_elem.c | 10 |
1 files changed, 8 insertions, 2 deletions
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; |