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linux/net
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Xiyu Yang 5129766a97 net: sched: Fix qdisc_rate_table refcount leak when get tcf_block failed 
[ Upstream commit c660701258 ]

The reference counting issue happens in one exception handling path of
cbq_change_class(). When failing to get tcf_block, the function forgets
to decrease the refcount of "rtab" increased by qdisc_put_rtab(),
causing a refcount leak.

Fix this issue by jumping to "failure" label when get tcf_block failed.

Fixes: 6529eaba33 ("net: sched: introduce tcf block infractructure")
Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Reviewed-by: Cong Wang <cong.wang@bytedance.com>
Link: https://lore.kernel.org/r/1630252681-71588-1-git-send-email-xiyuyang19@fudan.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-09-22 11:47:55 +02:00
..
6lowpan
6lowpan: Off by one handling ->nexthdr
2020-01-27 14:50:41 +01:00
9p
net: 9p: initialize sun_server.sun_path to have addr's value only when addr is valid
2020-11-05 11:08:44 +01:00
802
net/802/garp: fix memleak in garp_request_join()
2021-07-31 08:22:37 +02:00
8021q
net: vlan: avoid leaks on register_vlan_dev() failures
2021-01-17 14:04:19 +01:00
appletalk
appletalk: Fix skb allocation size in loopback case
2021-04-07 12:48:49 +02:00
atm
atm: fix a memory leak of vcc->user_back
2020-10-01 13:14:43 +02:00
ax25
AX.25: Prevent integer overflows in connect and sendmsg
2020-07-31 18:37:48 +02:00
batman-adv
batman-adv: Avoid WARN_ON timing related checks
2021-06-30 08:48:15 -04:00
bluetooth
Bluetooth: add timeout sanity check to hci_inquiry
2021-09-22 11:47:54 +02:00
bpf
bpf/test_run: support cgroup local storage
2018-08-03 00:47:32 +02:00
bpfilter
signal/bpfilter: Fix bpfilter_kernl to use send_sig not force_sig
2020-01-27 14:50:51 +01:00
bridge
net: bridge: fix memleak in br_add_if()
2021-08-26 08:36:38 -04:00
caif
net: fix uninit-value in caif_seqpkt_sendmsg
2021-07-28 11:13:48 +02:00
can
can: raw: raw_setsockopt(): fix raw_rcv panic for sock UAF
2021-08-04 12:23:45 +02:00
ceph
libceph: clear con->out_msg on Policy::stateful_server faults
2020-11-05 11:08:53 +01:00
core
net: Fix zero-copy head len calculation.
2021-08-08 08:54:29 +02:00
dcb
net: dcb: Accept RTM_GETDCB messages carrying set-like DCB commands
2021-01-23 15:49:56 +01:00
dccp
dccp: add do-while-0 stubs for dccp_pr_debug macros
2021-08-26 08:36:45 -04:00
decnet
net: decnet: Fix sleeping inside in af_decnet
2021-07-28 11:13:48 +02:00
dns_resolver
KEYS: Don't write out to userspace while holding key semaphore
2020-04-23 10:30:24 +02:00
dsa
net: dsa: fix error code getting shifted with 4 in dsa_slave_get_sset_count
2021-06-03 08:38:11 +02:00
ethernet
net: add annotations on hh->hh_len lockless accesses
2020-01-09 10:19:09 +01:00
hsr
hsr: use netdev_err() instead of WARN_ONCE()
2021-05-22 10:59:24 +02:00
ieee802154
net: Fix memory leak in ieee802154_raw_deliver
2021-08-26 08:36:38 -04:00
ife
net: sched: ife: check on metadata length
2018-04-22 21:12:00 -04:00
ipv4
ipv4: make exception cache less predictible
2021-09-22 11:47:55 +02:00
ipv6
ipv6: fix 'disable_policy' for fwd packets
2021-07-28 11:13:47 +02:00
iucv
net/af_iucv: set correct sk_protocol for child sockets
2020-12-08 10:18:52 +01:00
kcm
kcm: switch order of device registration to fix a crash
2019-04-17 08:38:40 +02:00
key
af_key: relax availability checks for skb size calculation
2021-02-13 13:51:14 +01:00
l2tp
l2tp: remove skb_dst_set() from l2tp_xmit_skb()
2020-07-22 09:31:59 +02:00
l3mdev
net: ipv6: Remove l3mdev_get_saddr6
2016-09-10 23:12:53 -07:00
lapb
net: lapb: Copy the skb before sending a packet
2021-02-10 09:21:06 +01:00
llc
net: llc: fix skb_over_panic
2021-08-04 12:23:46 +02:00
mac80211
mac80211: Fix insufficient headroom issue for AMSDU
2021-09-22 11:47:54 +02:00
mac802154
net: mac802154: Fix general protection fault
2021-04-14 08:22:36 +02:00
mpls
net: avoid infinite loop in mpls_gso_segment when mpls_hlen == 0
2021-03-17 16:43:43 +01:00
ncsi
net/ncsi: Avoid channel_monitor hrtimer deadlock
2021-04-14 08:22:35 +02:00
netfilter
netfilter: conntrack: collect all entries in one cycle
2021-09-03 09:58:00 +02:00
netlabel
net: cipso: fix warnings in netlbl_cipsov4_add_std
2021-09-22 11:47:52 +02:00
netlink
netlink: disable IRQs for netlink_lock_table()
2021-06-16 11:54:57 +02:00
netrom
netrom: Decrease sock refcount when sock timers expire
2021-07-28 11:13:48 +02:00
nfc
net/nfc/rawsock.c: fix a permission check bug
2021-06-16 11:54:56 +02:00
nsh
nsh: set mac len based on inner packet
2018-07-12 16:55:29 -07:00
openvswitch
openvswitch: meter: fix race when getting now_ms.
2021-06-03 08:38:11 +02:00
packet
net/packet: annotate accesses to po->ifindex
2021-06-30 08:48:31 -04:00
phonet
net: use skb_queue_empty_lockless() in poll() handlers
2019-11-10 11:27:48 +01:00
psample
net: psample: fix skb_over_panic
2019-12-05 09:21:30 +01:00
qrtr
net: qrtr: fix another OOB Read in qrtr_endpoint_post
2021-09-03 09:58:00 +02:00
rds
net/rds: dma_map_sg is entitled to merge entries
2021-09-03 09:58:02 +02:00
rfkill
rfkill: Fix incorrect check to avoid NULL pointer dereference
2020-01-12 12:17:17 +01:00
rose
rose: Fix Null pointer dereference in rose_send_frame()
2020-12-08 10:18:52 +01:00
rxrpc
rxrpc: Fix deadlock around release of dst cached on udp tunnel
2021-02-10 09:21:06 +01:00
sched
net: sched: Fix qdisc_rate_table refcount leak when get tcf_block failed
2021-09-22 11:47:55 +02:00
sctp
sctp: move the active_key update after sh_keys is added
2021-08-12 13:19:39 +02:00
smc
smc: disallow TCP_ULP in smc_setsockopt()
2021-05-22 10:59:44 +02:00
strparser
net: strparser: partially revert "strparser: Call skb_unclone conditionally"
2019-05-16 19:41:27 +02:00
sunrpc
SUNRPC/nfs: Fix return value for nfs4_callback_compound()
2021-09-22 11:47:47 +02:00
switchdev
net: bridge: Add/del switchdev object on host join/leave
2017-11-10 13:41:40 +09:00
tipc
tipc: fix sleeping in tipc accept routine
2021-08-04 12:23:46 +02:00
tls
net/tls: Protect from calling tls_dev_del for TLS RX twice
2020-12-08 10:18:52 +01:00
unix
af_unix: fix garbage collect vs MSG_PEEK
2021-07-31 08:22:37 +02:00
vmw_vsock
vsock/virtio: avoid potential deadlock when vsock device remove
2021-08-26 08:36:39 -04:00
wimax
wimax: remove blank lines at EOF
2018-07-24 14:10:42 -07:00
wireless
cfg80211: Fix possible memory leak in function cfg80211_bss_update
2021-08-04 12:23:45 +02:00
x25
net/x25: Return the correct errno code
2021-06-30 08:48:13 -04:00
xdp
xsk: Simplify detection of empty and full rings
2021-05-22 10:59:48 +02:00
xfrm
xfrm: Fix error reporting in xfrm_state_construct.
2021-07-20 16:16:01 +02:00
compat.c
net: Return the correct errno code
2021-06-30 08:48:13 -04:00
Kconfig
net: remove blank lines at end of file
2018-07-24 14:10:43 -07:00
Makefile
net: split out functions related to registering inflight socket files
2021-07-31 08:22:37 +02:00
socket.c
net: don't unconditionally copy_from_user a struct ifreq for socket ioctls
2021-09-03 09:58:03 +02:00
sysctl_net.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00