redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity
alistair23-linux/net/mac80211
History
Remi Pommarel 4a50753aac mac80211: mesh: Free pending skb when destroying a mpath 
[ Upstream commit 5e43540c2a ]

A mpath object can hold reference on a list of skb that are waiting for
mpath resolution to be sent. When destroying a mpath this skb list
should be cleaned up in order to not leak memory.

Fixing that kind of leak:

unreferenced object 0xffff0000181c9300 (size 1088):
  comm "openvpn", pid 1782, jiffies 4295071698 (age 80.416s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 f9 80 36 00 00 00 00 00  ..........6.....
    02 00 07 40 00 00 00 00 00 00 00 00 00 00 00 00  ...@............
  backtrace:
    [<000000004bc6a443>] kmem_cache_alloc+0x1a4/0x2f0
    [<000000002caaef13>] sk_prot_alloc.isra.39+0x34/0x178
    [<00000000ceeaa916>] sk_alloc+0x34/0x228
    [<00000000ca1f1d04>] inet_create+0x198/0x518
    [<0000000035626b1c>] __sock_create+0x134/0x328
    [<00000000a12b3a87>] __sys_socket+0xb0/0x158
    [<00000000ff859f23>] __arm64_sys_socket+0x40/0x58
    [<00000000263486ec>] el0_svc_handler+0xd0/0x1a0
    [<0000000005b5157d>] el0_svc+0x8/0xc
unreferenced object 0xffff000012973a40 (size 216):
  comm "openvpn", pid 1782, jiffies 4295082137 (age 38.660s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 c0 06 16 00 00 ff ff 00 93 1c 18 00 00 ff ff  ................
  backtrace:
    [<000000004bc6a443>] kmem_cache_alloc+0x1a4/0x2f0
    [<0000000023c8c8f9>] __alloc_skb+0xc0/0x2b8
    [<000000007ad950bb>] alloc_skb_with_frags+0x60/0x320
    [<00000000ef90023a>] sock_alloc_send_pskb+0x388/0x3c0
    [<00000000104fb1a3>] sock_alloc_send_skb+0x1c/0x28
    [<000000006919d2dd>] __ip_append_data+0xba4/0x11f0
    [<0000000083477587>] ip_make_skb+0x14c/0x1a8
    [<0000000024f3d592>] udp_sendmsg+0xaf0/0xcf0
    [<000000005aabe255>] inet_sendmsg+0x5c/0x80
    [<000000008651ea08>] __sys_sendto+0x15c/0x218
    [<000000003505c99b>] __arm64_sys_sendto+0x74/0x90
    [<00000000263486ec>] el0_svc_handler+0xd0/0x1a0
    [<0000000005b5157d>] el0_svc+0x8/0xc

Fixes: 2bdaf386f9 (mac80211: mesh: move path tables into if_mesh)
Signed-off-by: Remi Pommarel <repk@triplefau.lt>
Link: https://lore.kernel.org/r/20200704135419.27703-1-repk@triplefau.lt
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2020-08-05 09:59:48 +02:00
..
Kconfig Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
Makefile mac80211: minstrel: merge with minstrel_ht, always enable VHT support 2018-10-11 16:01:01 +02:00
aead_api.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aead_api.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aes_ccm.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aes_cmac.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aes_cmac.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aes_gcm.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aes_gmac.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aes_gmac.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
agg-rx.c mac80211: add missing null return check from call to ieee80211_get_sband 2019-07-31 10:51:17 +02:00
agg-tx.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cfg.c mac80211: mesh: Free ie data when leaving mesh 2020-08-05 09:59:48 +02:00
chan.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
debug.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs.c mac80211: AMPDU handling for rekeys with Extended Key ID 2019-07-26 13:29:10 +02:00
debugfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs_key.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-22 08:59:24 -04:00
debugfs_key.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs_netdev.c mac80211: fix txq null pointer dereference 2019-10-01 17:56:19 +02:00
debugfs_netdev.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs_sta.c mac80211: drop data frames without key on encrypted links 2020-04-01 11:02:01 +02:00
debugfs_sta.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
driver-ops.c mac80211: don't warn about CW params when not using them 2019-07-20 21:40:32 +02:00
driver-ops.h mac80211: pass the vif to cancel_remain_on_channel 2019-07-26 13:08:28 +02:00
ethtool.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 432 2019-06-05 17:37:16 +02:00
fils_aead.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
fils_aead.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
he.c mac80211: fix possible NULL pointerderef in obss pd code 2019-08-21 10:58:32 +02:00
ht.c mac80211: add support for the ADDBA extension element 2019-07-29 16:40:22 +02:00
ibss.c mac80211: IBSS: send deauth when expiring inactive STAs 2019-09-11 09:33:29 +02:00
ieee80211_i.h mac80211: IBSS: send deauth when expiring inactive STAs 2019-09-11 09:33:29 +02:00
iface.c mac80211: allow drivers to set max MTU 2019-09-11 09:33:29 +02:00
key.c mac80211: drop data frames without key on encrypted links 2020-04-01 11:02:01 +02:00
key.h mac80211: clear crypto tx tailroom counter upon keys enable 2019-09-11 09:33:28 +02:00
led.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
led.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
main.c mac80211: populate debugfs only after cfg80211 init 2020-04-29 16:33:18 +02:00
mesh.c mac80211: fix channel switch trigger from unknown mesh peer 2020-05-02 08:48:58 +02:00
mesh.h mac80211: implement HE support for mesh 2019-07-26 16:14:12 +02:00
mesh_hwmp.c mac80211: mesh: fix discovery timer re-arming issue / crash 2020-06-03 08:21:30 +02:00
mesh_pathtbl.c mac80211: mesh: Free pending skb when destroying a mpath 2020-08-05 09:59:48 +02:00
mesh_plink.c mac80211: implement HE support for mesh 2019-07-26 16:14:12 +02:00
mesh_ps.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mesh_sync.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
michael.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
michael.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mlme.c mac80211: add ieee80211_is_any_nullfunc() 2020-05-10 10:31:32 +02:00
ocb.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
offchannel.c mac80211: pass the vif to cancel_remain_on_channel 2019-07-26 13:08:28 +02:00
pm.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rate.c mac80211: populate debugfs only after cfg80211 init 2020-04-29 16:33:18 +02:00
rate.h mac80211: populate debugfs only after cfg80211 init 2020-04-29 16:33:18 +02:00
rc80211_minstrel.c mac80211: call rate_control_send_low() internally 2019-06-14 14:17:37 +02:00
rc80211_minstrel.h mac80211: minstrel_ht: improve rate probing for devices with static fallback 2019-08-21 11:10:13 +02:00
rc80211_minstrel_debugfs.c mac80211: rc80211_minstrel: remove variance / stddev calculation 2018-10-11 16:01:05 +02:00
rc80211_minstrel_ht.c mac80211: populate debugfs only after cfg80211 init 2020-04-29 16:33:18 +02:00
rc80211_minstrel_ht.h mac80211: minstrel_ht: improve rate probing for devices with static fallback 2019-08-21 11:10:13 +02:00
rc80211_minstrel_ht_debugfs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rx.c mac80211: allow rx of mesh eapol frames with default rx key 2020-07-29 10:18:26 +02:00
scan.c mac80211: fix scan when operating on DFS channels in ETSI domains 2019-10-07 22:10:50 +02:00
spectmgmt.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
sta_info.c mac80211: sta_info: Add lockdep condition for RCU list usage 2020-05-10 10:31:28 +02:00
sta_info.h mac80211: drop data frames without key on encrypted links 2020-04-01 11:02:01 +02:00
status.c mac80211: add ieee80211_is_any_nullfunc() 2020-05-10 10:31:32 +02:00
tdls.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-17 15:55:34 -07:00
tkip.c mac80211: Fix TKIP replay protection immediately after key setup 2020-02-05 21:22:46 +00:00
tkip.h Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
trace.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace.h mac80211: pass the vif to cancel_remain_on_channel 2019-07-26 13:08:28 +02:00
trace_msg.h mac80211: Increase MAX_MSG_LEN 2019-03-29 11:20:36 +01:00
tx.c mac80211: add ieee80211_is_any_nullfunc() 2020-05-10 10:31:32 +02:00
util.c mac80211: fix wrong 160/80+80 MHz setting 2020-03-05 16:43:41 +01:00
vht.c mac80211: vht: add support VHT EXT NSS BW in parsing VHT 2019-09-11 09:13:03 +02:00
wep.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
wep.h Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
wme.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
wme.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
wpa.c mac80211: add IEEE80211_KEY_FLAG_GENERATE_MMIE to ieee80211_key_flags 2019-07-26 16:14:12 +02:00
wpa.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00