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Ilya Dryomov c74260710e libceph: handle an empty authorize reply 
commit 0fd3fd0a9b upstream.

The authorize reply can be empty, for example when the ticket used to
build the authorizer is too old and TAG_BADAUTHORIZER is returned from
the service.  Calling ->verify_authorizer_reply() results in an attempt
to decrypt and validate (somewhat) random data in au->buf (most likely
the signature block from calc_signature()), which fails and ends up in
con_fault_finish() with !con->auth_retry.  The ticket isn't invalidated
and the connection is retried again and again until a new ticket is
obtained from the monitor:

  libceph: osd2 192.168.122.1:6809 bad authorize reply
  libceph: osd2 192.168.122.1:6809 bad authorize reply
  libceph: osd2 192.168.122.1:6809 bad authorize reply
  libceph: osd2 192.168.122.1:6809 bad authorize reply

Let TAG_BADAUTHORIZER handler kick in and increment con->auth_retry.

Cc: stable@vger.kernel.org
Fixes: 5c056fdc5b ("libceph: verify authorize reply on connect")
Link: https://tracker.ceph.com/issues/20164
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Sage Weil <sage@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-02-27 10:08:50 +01:00
..
6lowpan 6lowpan: iphc: reset mac_header after decompress to fix panic 2018-07-06 12:32:12 +02:00
9p 9p/net: put a lower bound on msize 2019-01-13 09:51:08 +01:00
802
8021q net: remove blank lines at end of file 2018-07-24 14:10:43 -07:00
appletalk Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
atm Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
ax25 ax25: fix possible use-after-free 2019-02-23 09:07:27 +01:00
batman-adv batman-adv: Force mac header to start of data on xmit 2019-02-15 08:10:13 +01:00
bluetooth Bluetooth: Fix unnecessary error message for HCI request completion 2019-01-26 09:32:44 +01:00
bpf bpf/test_run: support cgroup local storage 2018-08-03 00:47:32 +02:00
bpfilter net: bpfilter: use get_pid_task instead of pid_task 2018-10-17 22:03:40 -07:00
bridge net: Fix usage of pskb_trim_rcsum 2019-01-31 08:14:31 +01:00
caif Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
can can: bcm: check timer values before ktime conversion 2019-01-31 08:14:39 +01:00
ceph libceph: handle an empty authorize reply 2019-02-27 10:08:50 +01:00
core net: Do not allocate page fragments that are not skb aligned 2019-02-23 09:07:26 +01:00
dcb net: dcb: Add priority-to-DSCP map getters 2018-07-27 13:17:50 -07:00
dccp dccp: fool proof ccid_hc_[rt]x_parse_options() 2019-02-12 19:47:21 +01:00
decnet decnet: fix using plain integer as NULL warning 2018-08-09 14:11:24 -07:00
dns_resolver net: remove blank lines at end of file 2018-07-24 14:10:43 -07:00
dsa net: dsa: slave: Don't propagate flag changes on down slave interfaces 2019-02-12 19:47:22 +01:00
ethernet net: Convert GRO SKB handling to list_head. 2018-06-26 11:33:04 +09:00
hsr
ieee802154 ieee802154: lowpan_header_create check must check daddr 2019-01-09 17:38:31 +01:00
ife
ipv4 netfilter: nf_nat_snmp_basic: add missing length checks in ASN.1 cbs 2019-02-23 09:07:27 +01:00
ipv6 net: ip6_gre: initialize erspan_ver just for erspan tunnels 2019-02-23 09:07:24 +01:00
iucv Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
kcm Revert "kcm: remove any offset before parsing messages" 2018-09-17 18:43:42 -07:00
key Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2018-07-27 09:33:37 -07:00
l2tp l2tp: fix reading optional fields of L2TPv3 2019-02-06 17:30:06 +01:00
l3mdev
lapb
llc llc: do not use sk_eat_skb() 2018-12-01 09:37:27 +01:00
mac80211 mac80211: Free mpath object when rhashtable insertion fails 2019-02-27 10:08:49 +01:00
mac802154 net: mac802154: tx: expand tailroom if necessary 2018-08-06 11:21:37 +02:00
mpls mpls: allow routes on ip6gre devices 2018-09-24 12:19:27 -07:00
ncsi net/ncsi: Fixup .dumpit message flags and ID check in Netlink handler 2018-08-22 21:39:08 -07:00
netfilter netfilter: ipset: Allow matching on destination MAC address for mac and ipmac sets 2019-01-26 09:32:33 +01:00
netlabel netlabel: check for IPV4MASK in addrinfo_get 2018-09-21 18:58:34 -07:00
netlink Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-08-05 13:04:31 -07:00
netrom netrom: switch to sock timer API 2019-02-06 17:30:07 +01:00
nfc Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
nsh nsh: set mac len based on inner packet 2018-07-12 16:55:29 -07:00
openvswitch openvswitch: Avoid OOB read when parsing flow nlattrs 2019-01-31 08:14:32 +01:00
packet af_packet: fix raw sockets over 6in4 tunnel 2019-02-23 09:07:24 +01:00
phonet Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
psample
qrtr net: qrtr: Reset the node and port ID of broadcast messages 2018-07-05 20:20:03 +09:00
rds rds: fix refcount bug in rds_sock_addref 2019-02-12 19:47:22 +01:00
rfkill Here are quite a large number of fixes, notably: 2018-09-03 22:12:02 -07:00
rose net/rose: fix NULL ax25_cb kernel panic 2019-02-06 17:30:07 +01:00
rxrpc rxrpc: bad unlock balance in rxrpc_recvmsg 2019-02-12 19:47:22 +01:00
sched net/sched: cls_flower: allocate mask dynamically in fl_change() 2019-01-31 08:14:33 +01:00
sctp sctp: walk the list of asoc safely 2019-02-12 19:47:22 +01:00
smc smc: move unhash as early as possible in smc_release() 2019-01-22 21:40:31 +01:00
strparser strparser: remove redundant variable 'rd_desc' 2018-08-01 10:00:06 -07:00
sunrpc sunrpc: fix 4 more call sites that were using stack memory with a scatterlist 2019-02-23 09:07:27 +01:00
switchdev
tipc tipc: fix node keep alive interval calculation 2019-02-12 19:47:06 +01:00
tls net/tls: Init routines in create_ctx 2019-01-13 09:51:00 +01:00
unix Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
vmw_vsock vsock: cope with memory allocation failure at socket creation time 2019-02-23 09:07:25 +01:00
wimax wimax: remove blank lines at EOF 2018-07-24 14:10:42 -07:00
wireless nl80211: fix memory leak if validate_pae_over_nl80211() fails 2019-01-13 09:51:02 +01:00
x25 net/x25: do not hold the cpu too long in x25_new_lci() 2019-02-23 09:07:27 +01:00
xdp xsk: do not call synchronize_net() under RCU read lock 2018-10-11 10:19:01 +02:00
xfrm xfrm: refine validation of template and selector families 2019-02-15 08:10:13 +01:00
compat.c sock: Make sock->sk_stamp thread-safe 2019-01-09 17:38:33 +01:00
Kconfig net: remove blank lines at end of file 2018-07-24 14:10:43 -07:00
Makefile bpfilter: check compiler capability in Kconfig 2018-06-28 13:36:39 +09:00
socket.c net: socket: fix a missing-check bug 2018-10-18 16:43:06 -07:00
sysctl_net.c