netfilter: nf_tables: underflow in nft_parse_u32_check()
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 12 Oct 2016 09:14:29 +0000 (12:14 +0300)
committerPablo Neira Ayuso <pablo@netfilter.org>
Mon, 17 Oct 2016 15:43:53 +0000 (17:43 +0200)
commit09525a09ad3099efd9ba49b0b90bddc350d6b53a
treedc43e492d23803c86071082981d33ef7094fc5f7
parent5751e175c60be1b4113d1e9bfa011b58ec01f104
netfilter: nf_tables: underflow in nft_parse_u32_check()

We don't want to allow negatives here.

Fixes: 36b701fae12a ('netfilter: nf_tables: validate maximum value of u32 netlink attributes')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/netfilter/nf_tables_api.c