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Dominique Martinet 36c99a1636 9p: clear dangling pointers in p9stat_free 
[ Upstream commit 62e3941776 ]

p9stat_free is more of a cleanup function than a 'free' function as it
only frees the content of the struct; there are chances of use-after-free
if it is improperly used (e.g. p9stat_free called twice as it used to be
possible to)

Clearing dangling pointers makes the function idempotent and safer to use.

Link: http://lkml.kernel.org/r/1535410108-20650-2-git-send-email-asmadeus@codewreck.org
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Reported-by: syzbot+d4252148d198410b864f@syzkaller.appspotmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-21 09:19:12 +01:00
..
6lowpan 6lowpan: iphc: reset mac_header after decompress to fix panic 2018-07-06 12:32:12 +02:00
9p 9p: clear dangling pointers in p9stat_free 2018-11-21 09:19:12 +01:00
802
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 Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
ax25 ax25: remove blank line at EOF 2018-07-24 14:10:42 -07:00
batman-adv batman-adv: Increase version number to 2018.3 2018-09-14 17:59:20 +02:00
bluetooth Bluetooth: SMP: fix crash in unpairing 2018-09-26 12:39:32 +03:00
bpf bpf/test_run: support cgroup local storage 2018-08-03 00:47:32 +02:00
bpfilter net: bpfilter: use get_pid_task instead of pid_task 2018-10-17 22:03:40 -07:00
bridge net: bridge: remove ipv6 zero address check in mcast queries 2018-11-04 14:50:54 +01:00
caif Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
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 cgroup, netclassid: add a preemption point to write_classid 2018-11-13 11:08:31 -08:00
dcb net: dcb: Add priority-to-DSCP map getters 2018-07-27 13:17:50 -07:00
dccp Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
decnet decnet: fix using plain integer as NULL warning 2018-08-09 14:11:24 -07:00
dns_resolver net: remove blank lines at end of file 2018-07-24 14:10:43 -07:00
dsa net: dsa: Drop GPIO includes 2018-08-27 15:24:33 -07:00
ethernet net: Convert GRO SKB handling to list_head. 2018-06-26 11:33:04 +09:00
hsr
ieee802154 net: ieee802154: 6lowpan: remove redundant pointers 'fq' and 'net' 2018-08-06 11:21:15 +02:00
ife
ipv4 net/ipv4: defensive cipso option parsing 2018-11-13 11:08:41 -08:00
ipv6 net/ipv6: Allow onlink routes to have a device mismatch if it is the default route 2018-11-04 14:50:52 +01:00
iucv Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
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: set SOCK_RCU_FREE in llc_sap_add_socket() 2018-10-15 22:01:37 -07:00
mac80211 mac80211: fix setting IEEE80211_KEY_FLAG_RX_MGMT for AP mode keys 2018-10-01 09:13:48 +02:00
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: Fixup .dumpit message flags and ID check in Netlink handler 2018-08-22 21:39:08 -07:00
netfilter netfilter: xt_nat: fix DNAT target for shifted portmap ranges 2018-11-13 11:08:20 -08:00
netlabel netlabel: check for IPV4MASK in addrinfo_get 2018-09-21 18:58:34 -07:00
netlink Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-08-05 13:04:31 -07:00
netrom Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
nfc Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
nsh nsh: set mac len based on inner packet 2018-07-12 16:55:29 -07:00
openvswitch openvswitch: Fix push/pop ethernet validation 2018-11-04 14:50:52 +01:00
packet net/packet: fix packet drop as of virtio gso 2018-10-04 22:23:15 -07:00
phonet Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
psample
qrtr net: qrtr: Reset the node and port ID of broadcast messages 2018-07-05 20:20:03 +09:00
rds rds: RDS (tcp) hangs on sendto() to unresponding address 2018-10-10 22:19:52 -07:00
rfkill Here are quite a large number of fixes, notably: 2018-09-03 22:12:02 -07:00
rose Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
rxrpc Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
sched net: sched: Remove TCA_OPTIONS from policy 2018-11-13 11:09:00 -08:00
sctp sctp: check policy more carefully when getting pr status 2018-11-04 14:50:53 +01:00
smc net/smc: fix smc_buf_unuse to use the lgr pointer 2018-11-04 14:50:52 +01:00
strparser strparser: remove redundant variable 'rd_desc' 2018-08-01 10:00:06 -07:00
sunrpc nfsd: Fix an Oops in free_session() 2018-11-13 11:08:49 -08:00
switchdev
tipc Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
tls tls: fix currently broken MSG_PEEK behavior 2018-09-17 08:03:09 -07:00
unix Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
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: fix use-after-free in reg_process_hint() 2018-10-01 09:14:03 +02:00
x25 x25: remove blank lines at EOF 2018-07-24 14:10:42 -07:00
xdp xsk: do not call synchronize_net() under RCU read lock 2018-10-11 10:19:01 +02:00
xfrm xfrm: policy: use hlist rcu variants on insert 2018-10-11 13:24:46 +02:00
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 net: socket: fix a missing-check bug 2018-10-18 16:43:06 -07:00
sysctl_net.c