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| author |   Pablo Neira Ayuso <pablo@netfilter.org> | 2020-01-21 16:07:00 +0100 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2020-01-24 20:54:28 +0100 |
| commit | 826035498ec14b77b62a44f0cb6b94d45530db6f (patch) | |
| tree | 22dcb670215ae5c943d1fcd2ba8780bb1dbca885 /include/net/netns | |
| parent | netfilter: nf_tables_offload: fix check the chain offload flag (diff) | |
| download | linux-dev-826035498ec14b77b62a44f0cb6b94d45530db6f.tar.xz linux-dev-826035498ec14b77b62a44f0cb6b94d45530db6f.zip | |
netfilter: nf_tables: add __nft_chain_type_get()
This new helper function validates that unknown family and chain type
coming from userspace do not trigger an out-of-bound array access. Bail
out in case __nft_chain_type_get() returns NULL from
nft_chain_parse_hook().
Fixes: 9370761c56b6 ("netfilter: nf_tables: convert built-in tables/chains to chain types")
Reported-by: syzbot+156a04714799b1d480bc@syzkaller.appspotmail.com
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/net/netns')
0 files changed, 0 insertions, 0 deletions