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0fd3fd0a9b
linux/net
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Ilya Dryomov 0fd3fd0a9b libceph: handle an empty authorize reply 
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>
2019-02-18 18:05:33 +01:00
..
6lowpan 6lowpan: convert to DEFINE_SHOW_ATTRIBUTE 2018-12-19 00:28:05 +01:00
9p 9p/net: put a lower bound on msize 2018-12-25 17:07:49 +09:00
802
8021q net: core: dev: Add extack argument to dev_change_flags() 2018-12-06 13:26:07 -08:00
appletalk
atm Revert "net: simplify sock_poll_wait" 2018-10-23 10:57:06 -07:00
ax25 ax25: fix possible use-after-free 2019-01-23 11:18:00 -08:00
batman-adv batman-adv: fix uninit-value in batadv_interface_tx() 2019-02-12 13:30:43 -05:00
bluetooth Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2018-12-27 13:53:32 -08:00
bpf Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-12-10 18:00:43 -08:00
bpfilter net: bpfilter: change section name of bpfilter UMH blob. 2019-01-16 15:46:46 -08:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2019-01-28 10:51:51 -08:00
caif Revert "net: simplify sock_poll_wait" 2018-10-23 10:57:06 -07:00
can can: bcm: check timer values before ktime conversion 2019-01-22 11:33:46 +01:00
ceph libceph: handle an empty authorize reply 2019-02-18 18:05:33 +01:00
core net: fix possible overflow in __sk_mem_raise_allocated() 2019-02-13 21:05:18 -08:00
dcb
dccp dccp: fool proof ccid_hc_[rt]x_parse_options() 2019-02-01 14:49:10 -08:00
decnet decnet: fix DN_IFREQ_SIZE 2019-01-27 23:11:55 -08:00
dns_resolver dns: Allow the dns resolver to retrieve a server set 2018-10-04 09:40:52 -07:00
dsa net: dsa: Fix NULL checking in dsa_slave_set_eee() 2019-02-06 13:42:54 -08:00
ethernet net: ethernet: provide nvmem_get_mac_address() 2018-12-03 15:40:30 -08:00
hsr
ieee802154 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-12-24 16:19:56 -08:00
ife
ipv4 inet_diag: fix reporting cgroup classid and fallback to priority 2019-02-12 13:35:57 -05:00
ipv6 ipv6: propagate genlmsg_reply return code 2019-02-12 12:36:02 -05:00
iucv iucv: Remove SKB list assumptions. 2018-11-10 16:55:11 -08:00
kcm
key af_key: fix indentation on declaration statement 2018-11-15 18:09:32 +01:00
l2tp l2tp: copy 4 more bytes to linear part if necessary 2019-01-31 08:58:46 -08:00
l3mdev l3mdev: add function to retreive upper master 2018-12-03 14:15:26 -08:00
lapb
llc llc: do not use sk_eat_skb() 2018-10-22 19:59:20 -07:00
mac80211 mac80211: Fix Tx aggregation session tear down with ITXQs 2019-02-11 15:50:56 +01:00
mac802154 mac802154: Remove VLA usage of skcipher 2018-09-28 12:46:07 +08:00
mpls net/mpls: Handle kernel side filtering of route dumps 2018-10-16 00:14:07 -07:00
ncsi net/ncsi: Add NCSI Mellanox OEM command 2018-11-27 16:37:20 -08:00
netfilter netfilter: nft_compat: use-after-free when deleting targets 2019-02-13 18:14:54 +01:00
netlabel
netlink net: netlink: rename NETLINK_DUMP_STRICT_CHK -> NETLINK_GET_STRICT_CHK 2018-12-14 11:44:31 -08:00
netrom netrom: switch to sock timer API 2019-01-27 10:38:04 -08:00
nfc net: Revert recent Spectre-v1 patches. 2018-12-23 16:01:35 -08:00
nsh
openvswitch openvswitch: Avoid OOB read when parsing flow nlattrs 2019-01-16 13:35:21 -08:00
packet net/packet: fix 4gb buffer limit due to overflow check 2019-02-12 13:37:23 -05:00
phonet net: Revert recent Spectre-v1 patches. 2018-12-23 16:01:35 -08:00
psample
qrtr
rds rds: fix refcount bug in rds_sock_addref 2019-01-31 09:43:27 -08:00
rfkill rfkill: gpio: Remove unused include 2018-12-18 13:13:56 +01:00
rose net/rose: fix NULL ax25_cb kernel panic 2019-01-27 10:40:01 -08:00
rxrpc rxrpc: bad unlock balance in rxrpc_recvmsg 2019-02-06 10:54:07 -08:00
sched net_sched: fix two more memory leaks in cls_tcindex 2019-02-12 14:10:56 -05:00
sctp sctp: set stream ext to NULL after freeing it in sctp_stream_outq_migrate 2019-02-13 19:33:44 -05:00
smc net/smc: fix byte_order for rx_curs_confirmed 2019-02-08 22:33:25 -08:00
strparser bpf, sockmap: convert to generic sk_msg interface 2018-10-15 12:23:19 -07:00
sunrpc Two small fixes, one for crashes using nfs/krb5 with older enctypes, one 2019-02-16 17:38:01 -08:00
switchdev net: switchdev: Add extack to switchdev_handle_port_obj_add() callback 2018-12-12 16:34:22 -08:00
tipc tipc: fix link session and re-establish issues 2019-02-11 21:26:20 -08:00
tls net: tls: Fix deadlock in free_resources tx 2019-01-28 23:07:08 -08:00
unix Revert "net: simplify sock_poll_wait" 2018-10-23 10:57:06 -07:00
vmw_vsock vsock: cope with memory allocation failure at socket creation time 2019-02-08 22:32:05 -08:00
wimax
wireless cfg80211: prevent speculation on cfg80211_classify8021d() return 2019-02-11 15:50:56 +01:00
x25 net/x25: do not hold the cpu too long in x25_new_lci() 2019-02-11 13:20:14 -08:00
xdp xsk: Check if a queue exists during umem setup 2019-01-15 20:51:57 +01:00
xfrm xfrm: Make set-mark default behavior backward compatible 2019-01-16 13:10:55 +01:00
compat.c Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
Kconfig net: convert bridge_nf to use skb extension infrastructure 2018-12-19 11:21:37 -08:00
Makefile
socket.c net: socket: make bond ioctls go through compat_ifreq_ioctl() 2019-01-30 10:19:31 -08:00
sysctl_net.c