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bfc48f1b05
linux/net
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Xin Xiong bfc48f1b05 net/sunrpc: fix potential memory leaks in rpc_sysfs_xprt_state_change() 
The issue happens on some error handling paths. When the function
fails to grab the object `xprt`, it simply returns 0, forgetting to
decrease the reference count of another object `xps`, which is
increased by rpc_sysfs_xprt_kobj_get_xprt_switch(), causing refcount
leaks. Also, the function forgets to check whether `xps` is valid
before using it, which may result in NULL-dereferencing issues.

Fix it by adding proper error handling code when either `xprt` or
`xps` is NULL.

Fixes: 5b7eb78486 ("SUNRPC: take a xprt offline using sysfs")
Signed-off-by: Xin Xiong <xiongx18@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-08-12 11:21:28 +01:00
..
6lowpan
9p iov_iter stuff, part 2, rebased 2022-08-08 20:04:35 -07:00
802
8021q Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-14 15:27:35 -07:00
appletalk
atm
ax25 net: avoid overflow when rose /proc displays timer information. 2022-08-05 19:00:02 -07:00
batman-adv batman-adv: tracing: Use the new __vstring() helper 2022-07-30 13:52:47 -04:00
bluetooth Bluetooth: ISO: Fix not using the correct QoS 2022-08-08 17:06:36 -07:00
bpf bpf: Allow calling bpf_prog_test kfuncs in tracing programs 2022-08-09 18:46:11 -07:00
bpfilter
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-28 18:21:16 -07:00
caif caif: Fix bitmap data type in "struct caifsock" 2022-07-22 12:51:45 +01:00
can can: j1939: j1939_session_destroy(): fix memory leak of skbs 2022-08-09 09:05:06 +02:00
ceph libceph: clean up ceph_osdc_start_request prototype 2022-08-03 14:05:39 +02:00
core Including fixes from bluetooth, bpf, can and netfilter. 2022-08-11 13:45:37 -07:00
dcb
dccp dccp: put dccp_qpolicy_full() and dccp_qpolicy_push() in the same lock 2022-08-01 12:11:56 -07:00
decnet dn_route: replace "jiffies-now>0" with "jiffies!=now" 2022-07-29 20:12:49 -07:00
dns_resolver
dsa net: dsa: Fix spelling mistakes and cleanup code 2022-08-01 12:23:06 -07:00
ethernet
ethtool net: delete extra space and tab in blank line 2022-07-25 19:38:31 -07:00
hsr
ieee802154
ife
ipv4 Driver core / kernfs changes for 6.0-rc1 2022-08-04 11:31:20 -07:00
ipv6 ipv6: do not use RT_TOS for IPv6 flowlabel 2022-08-09 22:19:21 -07:00
iucv
kcm
key
l2tp l2tp: l2tp_debugfs: fix Clang -Wformat warnings 2022-07-08 12:14:36 +01:00
l3mdev
lapb
llc
mac80211 Tracing updates for 5.20 / 6.0 2022-08-05 09:41:12 -07:00
mac802154
mctp
mpls
mptcp mptcp: do not queue data on closed subflows 2022-08-05 08:51:28 +01:00
ncsi
netfilter netfilter: nf_tables: fix null deref due to zeroed list head 2022-08-09 20:13:30 +02:00
netlabel netlabel: fix typo in comment 2022-08-10 09:24:41 +01:00
netlink
netrom
nfc
nsh
openvswitch
packet net/af_packet: check len when min_header_len equals to 0 2022-07-29 12:09:27 +01:00
phonet
psample
qrtr
rds rds: add missing barrier to release_refill 2022-08-12 10:46:01 +01:00
rfkill
rose net: rose: add netdev ref tracker to 'struct rose_sock' 2022-08-01 11:59:23 -07:00
rxrpc net: delete extra space and tab in blank line 2022-07-25 19:38:31 -07:00
sched net_sched: cls_route: remove from list when handle is 0 2022-08-10 22:53:11 -07:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-28 18:21:16 -07:00
smc net/smc: Enable module load on netlink usage 2022-07-27 13:24:42 +01:00
strparser strparser: pad sk_skb_cb to avoid straddling cachelines 2022-07-08 18:38:44 -07:00
sunrpc net/sunrpc: fix potential memory leaks in rpc_sysfs_xprt_state_change() 2022-08-12 11:21:28 +01:00
switchdev
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-28 18:21:16 -07:00
tls Including fixes from bluetooth, bpf, can and netfilter. 2022-08-11 13:45:37 -07:00
unix Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-07-09 12:24:16 -07:00
vmw_vsock vsock: Set socket state back to SS_UNCONNECTED in vsock_connect_timeout() 2022-08-10 09:50:18 +01:00
wireless wifi: cfg80211: Fix validating BSS pointers in __cfg80211_connect_result 2022-08-08 11:09:52 +03:00
x25 net/x25: fix call timeouts in blocking connects 2022-08-08 20:48:51 -07:00
xdp xsk: Mark napi_id on sendmsg() 2022-07-14 22:45:34 +02:00
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2022-07-25 13:25:39 +01:00
compat.c Merge branch 'for-5.20/io_uring' into for-5.20/io_uring-zerocopy-send 2022-07-24 18:41:03 -06:00
devres.c
Kconfig
Kconfig.debug
Makefile
socket.c Networking changes for 6.0. 2022-08-03 16:29:08 -07:00
sysctl_net.c