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8c3b8dc5cc
linux/net
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liuyacan 8c3b8dc5cc net/smc: fix listen processing for SMC-Rv2 
In the process of checking whether RDMAv2 is available, the current
implementation first sets ini->smcrv2.ib_dev_v2, and then allocates
smc buf desc, but the latter may fail. Unfortunately, the caller
will only check the former. In this case, a NULL pointer reference
will occur in smc_clc_send_confirm_accept() when accessing
conn->rmb_desc.

This patch does two things:
1. Use the return code to determine whether V2 is available.
2. If the return code is NODEV, continue to check whether V1 is
available.

Fixes: e49300a6bf ("net/smc: add listen processing for SMC-Rv2")
Signed-off-by: liuyacan <liuyacan@corp.netease.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-05-23 10:08:33 +01:00
..
6lowpan net: don't include ndisc.h from ipv6.h 2022-02-04 14:15:11 -08:00
9p xen/grant-table: remove readonly parameter from functions 2022-03-15 20:34:40 -05:00
802
8021q vlan: use correct format characters 2022-03-17 16:34:49 -07:00
appletalk
atm proc: remove PDE_DATA() completely 2022-01-22 08:33:37 +02:00
ax25 ax25: Fix UAF bugs in ax25 timers 2022-03-29 10:24:34 +02:00
batman-adv batman-adv: Don't skb_split skbuffs with frag_list 2022-04-17 23:41:44 +02:00
bluetooth Bluetooth: Fix the creation of hdev->name 2022-05-11 17:18:42 -07:00
bpf bpf: Fix release of page_pool in BPF_PROG_RUN in test runner 2022-04-11 17:30:15 +02:00
bpfilter uaccess: remove CONFIG_SET_FS 2022-02-25 09:36:06 +01:00
bridge net: bridge: Clear offload_fwd_mark when passing frame up bridge interface. 2022-05-19 09:20:44 +02:00
caif net: caif: Use netif_rx(). 2022-03-04 12:02:19 +00:00
can can: isotp: remove re-binding of bound socket 2022-04-29 11:02:47 +02:00
ceph libceph: disambiguate cluster/pool full log message 2022-04-25 10:45:15 +02:00
core net: fix dev_fill_forward_path with pppoe + bridge 2022-05-16 12:58:55 +02:00
dcb net: dcb: disable softirqs in dcbnl_flush_dev() 2022-03-03 08:01:55 -08:00
dccp Revert "tcp/dccp: get rid of inet_twsk_purge()" 2022-05-13 12:24:12 +01:00
decnet decnet: Use container_of() for struct dn_neigh casts 2022-05-10 12:21:51 +02:00
dns_resolver
dsa net: dsa: flush switchdev workqueue on bridge join error path 2022-05-09 18:08:04 -07:00
ethernet
ethtool ethtool: add support to set/get completion queue event size 2022-02-23 20:33:05 -08:00
hsr net: add per-cpu storage and net->core_stats 2022-03-11 23:17:24 -08:00
ieee802154 net: ipv6: Handle delivery_time in ipv6 defrag 2022-03-03 14:38:48 +00:00
ife
ipv4 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2022-05-18 12:47:36 +01:00
ipv6 Revert "tcp/dccp: get rid of inet_twsk_purge()" 2022-05-13 12:24:12 +01:00
iucv s390/iucv: sort out physical vs virtual pointers usage 2022-02-22 16:09:13 -08:00
kcm
key net: af_key: check encryption module availability consistency 2022-05-18 09:42:16 +02:00
l2tp
l3mdev l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu 2022-04-15 14:27:24 -07:00
lapb
llc llc: only change llc->dev when bind() succeeds 2022-03-25 16:55:41 -07:00
mac80211 mac80211: Reset MBSSID parameters upon connection 2022-05-04 11:37:46 +02:00
mac802154
mctp mctp: defer the kfree of object mdev->addrs 2022-04-26 09:14:47 +02:00
mpls net: mpls: Fix GCC 12 warning 2022-02-10 15:29:39 +00:00
mptcp mptcp: Do TCP fallback on early DSS checksum failure 2022-05-18 13:05:42 +01:00
ncsi all: replace find_next{,_zero}_bit with find_first{,_zero}_bit where appropriate 2022-01-15 08:47:31 -08:00
netfilter netfilter: nf_tables: disable expression reduction infra 2022-05-18 17:34:26 +02:00
netlabel netlabel: fix out-of-bounds memory accesses 2022-03-21 10:59:11 +00:00
netlink netlink: do not reset transport header in netlink_recvmsg() 2022-05-06 15:37:36 -07:00
netrom netrom: fix api breakage in nr_setsockopt() 2022-01-07 14:11:05 +00:00
nfc NFC: nci: fix sleep in atomic context bugs caused by nci_skb_alloc 2022-05-17 17:55:53 -07:00
nsh
openvswitch openvswitch: fix OOB access in reserve_sfa_size() 2022-04-15 11:50:02 +01:00
packet net/packet: fix packet_sock xmit return value checking 2022-04-15 11:17:30 +01:00
phonet phonet: Use netif_rx(). 2022-03-07 11:40:41 +00:00
psample
qrtr
rds net: rds: use maybe_get_net() when acquiring refcount on TCP sockets 2022-05-05 16:44:49 -07:00
rfkill rfkill: make new event layout opt-in 2022-03-18 13:09:17 +02:00
rose
rxrpc rxrpc: Fix decision on when to generate an IDLE ACK 2022-05-22 21:30:53 +01:00
sched net/sched: act_pedit: sanitize shift argument before usage 2022-05-16 11:48:30 +01:00
sctp sctp: check asoc strreset_chunk in sctp_generate_reconf_event 2022-04-23 22:34:17 +01:00
smc net/smc: fix listen processing for SMC-Rv2 2022-05-23 10:08:33 +01:00
strparser
sunrpc SUNRPC: Ensure that the gssproxy client can start in a connected state 2022-05-07 14:31:15 -04:00
switchdev net: switchdev: remove lag_mod_cb from switchdev_handle_fdb_event_to_device 2022-02-24 21:31:43 -08:00
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-03-23 10:53:49 -07:00
tls tls: Fix context leak on tls_device_down 2022-05-12 10:01:36 -07:00
unix Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-03-23 10:53:49 -07:00
vmw_vsock vsock/virtio: enable VQs early on probe 2022-03-24 18:36:36 -07:00
wireless nl80211: fix locking in nl80211_set_tx_bitrate_mask() 2022-05-09 14:00:07 +02:00
x25 net/x25: Fix null-ptr-deref caused by x25_disconnect 2022-03-26 11:48:16 -07:00
xdp xsk: Fix possible crash when multiple sockets are created 2022-04-26 16:19:54 +02:00
xfrm xfrm: set dst dev to blackhole_netdev instead of loopback_dev in ifdown 2022-05-17 11:02:07 +02:00
compat.c
devres.c
Kconfig page_pool: Add allocation stats 2022-03-03 09:55:28 +00:00
Kconfig.debug
Makefile
socket.c fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
sysctl_net.c