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6a01afcf84
linux/net
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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