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Cong Wang 460b360104 net_sched: fix a crash in tc_new_tfilter() 
When tcf_block_find() fails, it already rollbacks the qdisc refcnt,
so its caller doesn't need to clean up this again. Avoid calling
qdisc_put() again by resetting qdisc to NULL for callers.

Reported-by: syzbot+37b8770e6d5a8220a039@syzkaller.appspotmail.com
Fixes: e368fdb61d8e ("net: sched: use Qdisc rcu API instead of relying on rtnl lock")
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-01 23:09:41 -07:00
..
6lowpan
6lowpan: iphc: reset mac_header after decompress to fix panic
2018-07-06 12:32:12 +02:00
9p
Pull request for inclusion in 4.19, take two
2018-08-17 17:27:58 -07:00
802
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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
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2018-08-15 15:04:25 -07:00
ax25
ax25: remove blank line at EOF
2018-07-24 14:10:42 -07:00
batman-adv
Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net
2018-09-25 10:35:29 -07:00
bluetooth
Bluetooth: Use correct tfm to generate OOB data
2018-09-11 13:33:57 +02:00
bpf
bpf/test_run: support cgroup local storage
2018-08-03 00:47:32 +02:00
bpfilter
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2018-08-15 15:04:25 -07:00
bridge
net: bridge: explicitly zero is_sticky in fdb_create
2018-09-28 10:43:11 -07:00
caif
net: caif: remove redundant null check on frontpkt
2018-09-17 18:49:57 -07:00
can
Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
2018-06-28 10:40:47 -07:00
ceph
crush: fix using plain integer as NULL warning
2018-08-13 17:55:44 +02:00
core
net/core: make function ___gnet_stats_copy_basic() static
2018-09-28 10:25:11 -07:00
dcb
net: dcb: Add priority-to-DSCP map getters
2018-07-27 13:17:50 -07:00
dccp
Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net
2018-08-09 11:52:36 -07:00
decnet
decnet: Remove unnecessary check for dev->name
2018-09-21 19:48:36 -07:00
dns_resolver
net: remove blank lines at end of file
2018-07-24 14:10:43 -07:00
dsa
net: dsa: remove redundant null pointer check before put_device
2018-09-17 08:20:11 -07:00
ethernet
net: Convert GRO SKB handling to list_head.
2018-06-26 11:33:04 +09:00
hsr
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ieee802154
net/ipfrag: let ip[6]frag_high_thresh in ns be higher than in init_net
2018-09-21 19:45:52 -07:00
ife
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ipv4
tcp: adjust rcv zerocopy hints based on frag sizes
2018-10-01 22:36:56 -07:00
ipv6
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
2018-10-01 22:31:17 -07:00
iucv
net/af_iucv: locate IUCV header via skb_network_header()
2018-09-26 09:56:07 -07:00
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 unused function warning
2018-08-13 20:45:49 -07:00
l3mdev
…
lapb
…
llc
llc: avoid blocking in llc_sap_close()
2018-09-13 09:04:58 -07:00
mac80211
mac80211: Don't access sk_queue_head->next directly.
2018-09-10 10:06:53 -07:00
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: remove duplicated include from ncsi-netlink.c
2018-08-29 19:10:40 -07:00
netfilter
net-ipv4: remove 2 always zero parameters from ipv4_update_pmtu()
2018-09-26 20:30:55 -07:00
netlabel
netlabel: check for IPV4MASK in addrinfo_get
2018-09-21 18:58:34 -07:00
netlink
netlink: remove hash::nelems check in netlink_insert
2018-09-12 00:08:44 -07:00
netrom
Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
2018-06-28 10:40:47 -07:00
nfc
Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net
2018-09-25 10:35:29 -07:00
nsh
nsh: set mac len based on inner packet
2018-07-12 16:55:29 -07:00
openvswitch
openvswitch: Use correct reply values in datapath and vport ops
2018-09-29 11:44:11 -07:00
packet
packet: add sockopt to ignore outgoing packets
2018-09-05 22:09:37 -07:00
phonet
Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
2018-06-28 10:40:47 -07:00
psample
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qrtr
net: qrtr: Reset the node and port ID of broadcast messages
2018-07-05 20:20:03 +09:00
rds
Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net
2018-09-25 10:35:29 -07:00
rfkill
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-09-04 21:33:03 -07:00
rose
Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
2018-06-28 10:40:47 -07:00
rxrpc
net: Add and use skb_mark_not_on_list().
2018-09-10 10:06:54 -07:00
sched
net_sched: fix a crash in tc_new_tfilter()
2018-10-01 23:09:41 -07:00
sctp
Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net
2018-09-25 10:35:29 -07:00
smc
smc: generic netlink family should be __ro_after_init
2018-09-20 07:49:55 -07:00
strparser
strparser: remove redundant variable 'rd_desc'
2018-08-01 10:00:06 -07:00
sunrpc
NFS client updates for Linux 4.19
2018-08-23 16:03:58 -07:00
switchdev
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tipc
tipc: buffer overflow handling in listener socket
2018-09-29 11:24:22 -07:00
tls
tls: Remove redundant vars from tls record structure
2018-09-29 11:41:28 -07:00
unix
af_unix: ensure POLLOUT on remote close() for connected dgram socket
2018-08-03 16:44:19 -07:00
vmw_vsock
vsock: split dwork to avoid reinitializations
2018-08-07 12:39:13 -07:00
wimax
wimax: remove blank lines at EOF
2018-07-24 14:10:42 -07:00
wireless
cfg80211: validate wmm rule when setting
2018-09-05 10:16:59 +02:00
x25
x25: remove blank lines at EOF
2018-07-24 14:10:42 -07:00
xdp
net: xsk: add a simple buffer reuse queue
2018-09-25 13:13:15 -07:00
xfrm
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
2018-10-01 22:31:17 -07:00
compat.c
net: avoid unnecessary sock_flag() check when enable timestamp
2018-08-06 10:42:48 -07:00
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
socket: fix struct ifreq size in compat ioctl
2018-09-13 16:01:06 -07:00
sysctl_net.c
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