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Paolo Abeni 0b449baa8f net: genetlink: return the error code when attribute parsing fails.

commit 39f3b41aa7 upstream.

Currently if attribute parsing fails and the genl family
does not support parallel operation, the error code returned
by __nlmsg_parse() is discarded by genl_family_rcv_msg_attrs_parse().

Be sure to report the error for all genl families.

Fixes: c10e6cf85e ("net: genetlink: push attrbuf allocation and parsing to a separate function")
Fixes: ab5b526da0 ("net: genetlink: always allocate separate attrs for dumpit ops")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2020-04-08 09:10:05 +02:00

af_netlink.c

netlink: Use netlink header as base to calculate bad attribute offset

2020-03-18 07:18:56 +01:00

af_netlink.h

netlink: Add new socket option to enable strict checking on dumps

2018-10-08 10:39:04 -07:00

diag.c

treewide: Add SPDX license identifier for more missed files

2019-05-21 10:50:45 +02:00

genetlink.c

net: genetlink: return the error code when attribute parsing fails.