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| author | Dmitry Safonov <dima@arista.com> | 2018-07-27 16:54:44 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-08-03 07:50:45 +0200 |
| commit | e208cda5f10e131f149e59d7de4ceb943382f4c6 (patch) | |
| tree | 42d3ec5eb3bb1043a6271133d6fce8752e306539 /net/ipv4/tcp_input.c | |
| parent | da970765b24cad557bde1b0372166e46c1276230 (diff) | |
netlink: Do not subscribe to non-existent groups
[ Upstream commit 7acf9d4237c46894e0fa0492dd96314a41742e84 ]
Make ABI more strict about subscribing to group > ngroups.
Code doesn't check for that and it looks bogus.
(one can subscribe to non-existing group)
Still, it's possible to bind() to all possible groups with (-1)
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: netdev@vger.kernel.org
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ipv4/tcp_input.c')
0 files changed, 0 insertions, 0 deletions