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Eric Biggers a1e25420a4 libceph: don't WARN() if user tries to add invalid key 
commit b11270853f upstream.

The WARN_ON(!key->len) in set_secret() in net/ceph/crypto.c is hit if a
user tries to add a key of type "ceph" with an invalid payload as
follows (assuming CONFIG_CEPH_LIB=y):

    echo -e -n '\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' \
	| keyctl padd ceph desc @s

This can be hit by fuzzers.  As this is merely bad input and not a
kernel bug, replace the WARN_ON() with return -EINVAL.

Fixes: 7af3ea189a ("libceph: stop allocating a new cipher on every crypto request")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2017-11-30 08:39:03 +00:00
..
6lowpan 6lowpan: ndisc: no overreact if no short address is available 2016-09-19 20:19:34 +02:00
9p p9_client_readdir() fix 2017-05-03 08:36:38 -07:00
802 net: Kill dev_rebuild_header 2015-03-02 16:43:41 -05:00
8021q vlan: fix a use-after-free in vlan_device_event() 2017-11-24 08:33:41 +01:00
appletalk appletalk: use IS_ENABLED() instead of checking for built-in or module 2016-09-10 21:19:10 -07:00
atm lec: use IS_ENABLED() instead of checking for built-in or module 2016-09-10 21:19:10 -07:00
ax25 ax25: Fix segfault after sock connection timeout 2017-02-04 09:47:09 +01:00
batman-adv batman-adv: Check for alloc errors when preparing TT local data 2016-12-02 10:46:59 +01:00
bluetooth Bluetooth: Properly check L2CAP config option output buffer length 2017-09-13 14:13:36 -07:00
bridge bridge: netlink: register netdevice before executing changelink 2017-10-08 10:26:08 +02:00
caif net: caif: Fix a sleep-in-atomic bug in cfpkt_create_pfx 2017-07-05 14:40:14 +02:00
can can: Fix kernel panic at security_sock_rcv_skb 2017-02-18 15:11:40 +01:00
ceph libceph: don't WARN() if user tries to add invalid key 2017-11-30 08:39:03 +00:00
core netfilter/ipvs: clear ipvs_property flag when SKB net namespace changed 2017-11-24 08:33:40 +01:00
dcb net: dcb: set error code on failures 2016-12-03 23:54:25 -05:00
dccp tcp/dccp: fix other lockdep splats accessing ireq_opt 2017-11-18 11:22:22 +01:00
decnet decnet: always not take dst->__refcnt when inserting dst into hash table 2017-07-05 14:40:16 +02:00
dns_resolver KEYS: Fix race between updating and finding a negative key 2017-10-27 10:38:11 +02:00
dsa net: dsa: select NET_SWITCHDEV 2017-11-15 15:53:17 +01:00
ethernet net: introduce device min_header_len 2017-02-18 15:11:43 +01:00
hsr net/hsr: Remove unused but set variable 2016-10-18 10:28:18 -04:00
ieee802154 Revert "net: fix percpu memory leaks" 2017-09-20 08:19:55 +02:00
ipv4 tcp: do not mangle skb->cb[] in tcp_make_synack() 2017-11-24 08:33:40 +01:00
ipv6 ipv6: only call ip6_route_dev_notify() once for NETDEV_UNREGISTER 2017-11-30 08:39:01 +00:00
ipx ipx: call ipxitf_put() in ioctl error path 2017-05-25 15:44:41 +02:00
irda irda: do not leak initialized list.dev to userspace 2017-08-30 10:21:42 +02:00
iucv net/af_iucv: don't use paged skbs for TX on HiperSockets 2017-01-19 20:18:04 +01:00
kcm kcm: do not attach PF_KCM sockets to avoid deadlock 2017-09-20 08:19:55 +02:00
key af_key: do not use GFP_KERNEL in atomic contexts 2017-08-30 10:21:38 +02:00
l2tp l2tp: check ps->sock before running pppol2tp_session_ioctl() 2017-11-18 11:22:21 +01:00
l3mdev net: ipv6: Remove l3mdev_get_saddr6 2016-09-10 23:12:53 -07:00
lapb net/lapb: tuse %*ph to dump buffers 2016-05-29 22:33:25 -07:00
llc net/llc: avoid BUG_ON() in skb_orphan() 2017-02-26 11:10:50 +01:00
mac80211 mac80211: don't compare TKIP TX MIC key in reinstall prevention 2017-11-18 11:22:24 +01:00
mac802154 mac802154: use rate limited warnings for malformed frames 2016-09-19 20:19:34 +02:00
mpls mpls: Do not decrement alive counter for unregister events 2017-03-22 12:43:34 +01:00
ncsi net/ncsi: Improve HNCDSC AEN handler 2016-10-20 11:23:08 -04:00
netfilter netfilter: nat: Revert "netfilter: nat: convert nat bysrc hash to rhashtable" 2017-11-18 11:22:24 +01:00
netlabel netlabel: Implement CALIPSO config functions for SMACK. 2016-06-27 15:06:18 -04:00
netlink af_netlink: ensure that NLMSG_DONE never fails in dumps 2017-11-24 08:33:41 +01:00
netrom netfilter: Remove spurios included of netfilter.h 2015-06-18 21:14:32 +02:00
nfc NFC: Add sockaddr length checks before accessing sa_family in bind handlers 2017-07-27 15:07:56 -07:00
openvswitch openvswitch: fix skb_panic due to the incorrect actions attrlen 2017-08-30 10:21:40 +02:00
packet packet: avoid panic in packet_getsockopt() 2017-11-18 11:22:22 +01:00
phonet sock: struct proto hash function may error 2016-02-11 03:54:14 -05:00
qrtr Merge tag 'qcom-soc-for-4.7-2' into net-next 2016-05-17 14:11:19 -04:00
rds rds: ib: add error handle 2017-10-08 10:26:10 +02:00
rfkill rfkill: Use switch to demux userspace operations 2016-04-05 10:48:53 +02:00
rose rose: limit sk_filter trim to payload 2016-07-13 11:53:40 -07:00
rxrpc rxrpc: Fix several cases where a padded len isn't checked in ticket decode 2017-06-29 13:00:31 +02:00
sched net_sched: avoid matching qdisc with zero handle 2017-11-18 11:22:23 +01:00
sctp net/sctp: Always set scope_id in sctp_inet6_skb_msgname 2017-11-24 08:33:41 +01:00
strparser strparser: destroy workqueue on module exit 2017-03-22 12:43:33 +01:00
sunrpc NFSv4: Fix callback server shutdown 2017-09-27 14:39:18 +02:00
switchdev switchdev: Execute bridge ndos only for bridge ports 2016-10-19 10:58:04 -04:00
tipc tipc: use only positive error codes in messages 2017-10-12 11:51:23 +02:00
unix net/unix: don't show information about sockets from other namespaces 2017-11-18 11:22:22 +01:00
vmw_vsock vsock: use new wait API for vsock_stream_sendmsg() 2017-11-30 08:39:01 +00:00
wimax net:wimax: Fix doucble word "the the" in networking.xml 2015-08-09 22:43:52 -07:00
wireless cfg80211: fix connect/disconnect edge cases 2017-11-02 09:49:15 +01:00
x25 net: x25: remove null checks on arrays calling_ae and called_ae 2016-09-09 18:13:30 -07:00
xfrm ipsec: Fix aborted xfrm policy dump crash 2017-11-02 09:49:15 +01:00
compat.c audit: log 32-bit socketcalls 2017-10-08 10:26:06 +02:00
Kconfig strparser: Stream parser for messages 2016-08-17 19:36:23 -04:00
Makefile strparser: Stream parser for messages 2016-08-17 19:36:23 -04:00
socket.c net: socket: fix recvmmsg not returning error from sock_error 2017-02-26 11:10:51 +01:00
sysctl_net.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2016-10-06 09:52:23 -07:00