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Remi Pommarel 6a01afcf84 mac80211: mesh: Free ie data when leaving mesh 
At ieee80211_join_mesh() some ie data could have been allocated (see
copy_mesh_setup()) and need to be cleaned up when leaving the mesh.

This fixes the following kmemleak report:

unreferenced object 0xffff0000116bc600 (size 128):
  comm "wpa_supplicant", pid 608, jiffies 4294898983 (age 293.484s)
  hex dump (first 32 bytes):
    30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00  0...............
    00 0f ac 08 00 00 00 00 c4 65 40 00 00 00 00 00  .........e@.....
  backtrace:
    [<00000000bebe439d>] __kmalloc_track_caller+0x1c0/0x330
    [<00000000a349dbe1>] kmemdup+0x28/0x50
    [<0000000075d69baa>] ieee80211_join_mesh+0x6c/0x3b8 [mac80211]
    [<00000000683bb98b>] __cfg80211_join_mesh+0x1e8/0x4f0 [cfg80211]
    [<0000000072cb507f>] nl80211_join_mesh+0x520/0x6b8 [cfg80211]
    [<0000000077e9bcf9>] genl_family_rcv_msg+0x374/0x680
    [<00000000b1bd936d>] genl_rcv_msg+0x78/0x108
    [<0000000022c53788>] netlink_rcv_skb+0xb0/0x1c0
    [<0000000011af8ec9>] genl_rcv+0x34/0x48
    [<0000000069e41f53>] netlink_unicast+0x268/0x2e8
    [<00000000a7517316>] netlink_sendmsg+0x320/0x4c0
    [<0000000069cba205>] ____sys_sendmsg+0x354/0x3a0
    [<00000000e06bab0f>] ___sys_sendmsg+0xd8/0x120
    [<0000000037340728>] __sys_sendmsg+0xa4/0xf8
    [<000000004fed9776>] __arm64_sys_sendmsg+0x44/0x58
    [<000000001c1e5647>] el0_svc_handler+0xd0/0x1a0

Fixes: c80d545da3 (mac80211: Let userspace enable and configure vendor specific path selection.)
Signed-off-by: Remi Pommarel <repk@triplefau.lt>
Link: https://lore.kernel.org/r/20200704135007.27292-1-repk@triplefau.lt
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-07-30 10:23:35 +02:00
..
6lowpan
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
9p
net: Add MODULE_DESCRIPTION entries to network modules
2020-06-20 21:33:57 -07:00
802
net: 802: psnap.c: Use built-in RCU list checking
2020-02-24 13:02:53 -08:00
8021q
net: get rid of lockdep_set_class_and_subclass()
2020-06-28 21:37:23 -07:00
appletalk
ipv4,appletalk: move SIOCADDRT and SIOCDELRT handling into ->compat_ioctl
2020-05-18 17:35:02 -07:00
atm
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-06-13 16:27:13 -07:00
ax25
AX.25: Prevent integer overflows in connect and sendmsg
2020-07-23 12:09:57 -07:00
batman-adv
net: change addr_list_lock back to static key
2020-06-09 12:59:45 -07:00
bluetooth
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2020-06-03 16:27:18 -07:00
bpf
bpf: Add tests for PTR_TO_BTF_ID vs. null comparison
2020-06-30 22:21:29 +02:00
bpfilter
bpfilter: switch to kernel_write
2020-07-08 08:27:56 +02:00
bridge
bridge: mcast: Fix MLD2 Report IPv6 payload length check
2020-07-07 15:37:57 -07:00
caif
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
can
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
ceph
libceph: don't omit used_replica in target_copy()
2020-06-16 16:02:08 +02:00
core
mlxsw: spectrum: Use different trap group for externally routed packets
2020-07-29 12:16:21 -07:00
dcb
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
dccp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-06-13 16:27:13 -07:00
decnet
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
dns_resolver
docs: networking: convert dns_resolver.txt to ReST
2020-04-28 14:39:46 -07:00
dsa
dsa: Allow forwarding of redirected IGMP traffic
2020-06-24 14:39:43 -07:00
ethernet
net: move devres helpers into a separate source file
2020-05-23 16:56:17 -07:00
ethtool
ethtool: fix genlmsg_put() failure handling in ethnl_default_dumpit()
2020-07-09 12:35:33 -07:00
hsr
net: hsr: check for return value of skb_put_padto()
2020-07-20 18:02:28 -07:00
ieee802154
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
ife
…
ipv4
ipv4: Silence suspicious RCU usage warning
2020-07-29 12:12:50 -07:00
ipv6
ipv6: Fix nexthop refcnt leak when creating ipv6 route info
2020-07-28 17:24:08 -07:00
iucv
net/af_iucv: clean up function prototypes
2020-05-19 12:50:14 -07:00
kcm
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
key
…
l2tp
l2tp: remove skb_dst_set() from l2tp_xmit_skb()
2020-07-08 15:24:33 -07:00
l3mdev
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
lapb
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
llc
llc: make sure applications use ARPHRD_ETHER
2020-06-28 21:41:23 -07:00
mac80211
mac80211: mesh: Free ie data when leaving mesh
2020-07-30 10:23:35 +02:00
mac802154
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
mpls
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
mptcp
mptcp: fix joined subflows with unblocking sk
2020-07-27 11:50:57 -07:00
ncsi
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
netfilter
ipvs: fix the connection sync failed in some cases
2020-07-22 01:21:34 +02:00
netlabel
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
netlink
genetlink: remove genl_bind
2020-07-01 15:49:11 -07:00
netrom
net: change addr_list_lock back to static key
2020-06-09 12:59:45 -07:00
nfc
nfc: nci: add missed destroy_workqueue in nci_register_device
2020-07-17 13:08:08 -07:00
nsh
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
openvswitch
openvswitch: take into account de-fragmentation/gso_size in execute_check_pkt_len
2020-06-24 14:34:58 -07:00
packet
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
phonet
sysctl: pass kernel pointers to ->proc_handler
2020-04-27 02:07:40 -04:00
psample
net: psample: fix build error when CONFIG_INET is not enabled
2020-05-23 16:36:05 -07:00
qrtr
qrtr: orphan socket in qrtr_release()
2020-07-24 17:29:52 -07:00
rds
rds: If one path needs re-connection, check all and re-connect
2020-07-01 17:35:17 -07:00
rfkill
…
rose
net: change addr_list_lock back to static key
2020-06-09 12:59:45 -07:00
rxrpc
rxrpc: Fix sendmsg() returning EPIPE due to recvmsg() returning ENODATA
2020-07-20 17:47:10 -07:00
sched
flow_offload: Move rhashtable inclusion to the source file
2020-07-24 15:17:22 -07:00
sctp
sctp: shrink stream outq when fails to do addstream reconf
2020-07-22 18:00:12 -07:00
smc
net/smc: fix dmb buffer shortage
2020-07-20 17:52:25 -07:00
strparser
…
sunrpc
xprtrdma: fix incorrect header size calculations
2020-07-15 13:01:01 -04:00
switchdev
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
tipc
tipc: allow to build NACK message in link timeout function
2020-07-20 20:11:22 -07:00
tls
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
unix
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
vmw_vsock
vsock/virtio: annotate 'the_virtio_vsock' RCU pointer
2020-07-15 17:47:15 -07:00
wimax
…
wireless
nl80211: fix memory leak when parsing NL80211_ATTR_HE_BSS_COLOR
2020-06-26 11:52:57 +02:00
x25
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
xdp
xsk: Use dma_need_sync instead of reimplenting it
2020-06-30 15:44:03 +02:00
xfrm
net: xfrmi: implement header_ops->parse_protocol for AF_PACKET
2020-06-30 12:29:39 -07:00
compat.c
fix a braino in cmsghdr_from_user_compat_to_kern()
2020-07-27 13:25:39 -07:00
devres.c
net: devres: provide devm_register_netdev()
2020-05-23 16:56:17 -07:00
Kconfig
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
Makefile
net: move devres helpers into a separate source file
2020-05-23 16:56:17 -07:00
socket.c
net: remove kernel_setsockopt
2020-05-29 13:10:39 -07:00
sysctl_net.c
…