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linux/net/mac80211
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Johannes Berg 283fc9e44f wifi: mac80211: remove station if connection prep fails 
If connection preparation fails for MLO connections, then the
interface is completely reset to non-MLD. In this case, we must
not keep the station since it's related to the link of the vif
being removed. Delete an existing station. Any "new_sta" is
already being removed, so that doesn't need changes.

This fixes a use-after-free/double-free in debugfs if that's
enabled, because a vif going from MLD (and to MLD, but that's
not relevant here) recreates its entire debugfs.

Cc: stable@vger.kernel.org
Fixes: 81151ce462 ("wifi: mac80211: support MLO authentication/association with one link")
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20260505151533.c4e52deb06ad.Iafe56cec7de8512626169496b134bce3a6c17010@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2026-05-06 11:02:57 +02:00
..
tests wifi: mac80211: tests: mark HT check strict 2026-05-04 08:54:52 +02:00
aead_api.c
aead_api.h
aes_ccm.h
aes_cmac.c wifi: mac80211: Use AES-CMAC library in ieee80211_aes_cmac() 2026-03-09 13:27:21 -07:00
aes_cmac.h wifi: mac80211: Use AES-CMAC library in ieee80211_aes_cmac() 2026-03-09 13:27:21 -07:00
aes_gcm.h
aes_gmac.c wifi: mac80211: utilize the newly defined CMAC constants 2025-11-20 11:56:19 +01:00
aes_gmac.h wifi: mac80211: utilize the newly defined CMAC constants 2025-11-20 11:56:19 +01:00
agg-rx.c wifi: mac80211: add support for NDP ADDBA/DELBA for S1G 2026-03-06 10:52:11 +01:00
agg-tx.c wifi: mac80211: allow block ack agreements in NAN Data 2026-04-07 15:36:04 +02:00
airtime.c wifi: mac80211: introduce EHT rate support in AQL airtime 2024-09-06 12:58:36 +02:00
cfg.c wifi: mac80211: enable MLO support for 4-address mode interfaces 2026-04-07 15:43:02 +02:00
chan.c wifi: mac80211: synchronize valid links for WDS AP_VLAN interfaces 2026-04-07 15:43:02 +02:00
debug.h wifi: mac80211: don't WARN for late channel/color switch 2025-06-17 14:30:06 +02:00
debugfs_key.c wifi: mac80211: Clean up debugfs_key deadcode 2025-01-13 13:51:19 +01:00
debugfs_key.h wifi: mac80211: Clean up debugfs_key deadcode 2025-01-13 13:51:19 +01:00
debugfs_netdev.c kernel.h: drop hex.h and update all hex.h users 2026-01-20 19:44:19 -08:00
debugfs_netdev.h wifi: mac80211: fix driver debugfs for vif type change 2024-02-02 13:09:55 +01:00
debugfs_sta.c wifi: mac80211: Remove redundant rcu_read_lock/unlock() in spin_lock 2025-09-19 11:48:14 +02:00
debugfs_sta.h
debugfs.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-03-19 14:16:00 -07:00
debugfs.h
driver-ops.c wifi: mac80211: make monitor link info check more specific 2025-11-11 11:05:19 +01:00
driver-ops.h wifi: mac80211: add NAN peer schedule support 2026-04-07 15:36:03 +02:00
drop.h wifi: mac80211: remove RX_DROP 2026-01-19 10:21:47 +01:00
eht.c wifi: move action code from per-type frame structs 2026-03-06 10:36:26 +01:00
ethtool.c wifi: mac80211: add tx_handlers_drop statistics to ethtool 2025-09-10 15:04:27 +02:00
fils_aead.c wifi: mac80211: Use AES-CMAC library in aes_s2v() 2026-03-09 13:27:21 -07:00
fils_aead.h
he.c wifi: mac80211: support NAN stations 2026-04-07 15:36:03 +02:00
ht.c wifi: mac80211: support NAN stations 2026-04-07 15:36:03 +02:00
ibss.c wifi: mac80211: export ieee80211_calculate_rx_timestamp 2026-04-07 15:36:02 +02:00
ieee80211_i.h wifi: mac80211: update NAN data path state on schedule changes 2026-04-07 15:36:03 +02:00
iface.c wifi: mac80211: enable MLO support for 4-address mode interfaces 2026-04-07 15:43:02 +02:00
Kconfig wifi: mac80211: Use AES-CMAC library in aes_s2v() 2026-03-09 13:27:21 -07:00
key.c wifi: mac80211: Use AES-CMAC library in ieee80211_aes_cmac() 2026-03-09 13:27:21 -07:00
key.h wifi: mac80211: Use AES-CMAC library in ieee80211_aes_cmac() 2026-03-09 13:27:21 -07:00
led.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
led.h
link.c wifi: mac80211: synchronize valid links for WDS AP_VLAN interfaces 2026-04-07 15:43:02 +02:00
main.c wifi: mac80211: run NAN DE code only when appropriate 2026-04-07 15:36:02 +02:00
Makefile wifi: mac80211, cfg80211: Export michael_mic() and move it to cfg80211 2026-04-08 08:55:15 +02:00
mesh_hwmp.c wifi: move action code from per-type frame structs 2026-03-06 10:36:26 +01:00
mesh_pathtbl.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
mesh_plink.c net: use get_random_u{16,32,64}() where appropriate 2026-04-09 19:27:43 -07:00
mesh_ps.c wifi: mac80211: support parsing S1G TIM PVB 2025-09-04 11:19:01 +02:00
mesh_sync.c wifi: mac80211: export ieee80211_calculate_rx_timestamp 2026-04-07 15:36:02 +02:00
mesh.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-03-19 14:16:00 -07:00
mesh.h wifi: mac80211: split mesh fast tx cache into local/proxied/forwarded 2024-04-17 09:21:32 +02:00
mlme.c wifi: mac80211: remove station if connection prep fails 2026-05-06 11:02:57 +02:00
nan.c wifi: mac80211: update NAN data path state on schedule changes 2026-04-07 15:36:03 +02:00
ocb.c wifi: mac80211: ocb: skip rx_no_sta when interface is not joined 2025-12-16 10:33:14 +01:00
offchannel.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
parse.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
pm.c wifi: cfg80211/mac80211: Add support to get radio index 2025-06-24 15:19:27 +02:00
rate.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
rate.h wifi: mac80211: convert debugfs files to short fops 2024-10-23 16:47:07 +02:00
rc80211_minstrel_ht_debugfs.c [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
rc80211_minstrel_ht.c wifi: mac80211: remove unused variables in minstrel_ht_alloc_sta 2026-04-07 15:40:25 +02:00
rc80211_minstrel_ht.h
rx.c wifi: mac80211: drop stray 'static' from fast-RX rx_result 2026-04-27 12:41:55 +02:00
s1g.c wifi: mac80211: add support for NDP ADDBA/DELBA for S1G 2026-03-06 10:52:11 +01:00
scan.c wifi: mac80211: export ieee80211_calculate_rx_timestamp 2026-04-07 15:36:02 +02:00
spectmgmt.c wifi: move action code from per-type frame structs 2026-03-06 10:36:26 +01:00
sta_info.c wifi: mac80211: update NAN data path state on schedule changes 2026-04-07 15:36:03 +02:00
sta_info.h wifi: mac80211: support NAN stations 2026-04-07 15:36:03 +02:00
status.c wifi: mac80211: Get the correct interface for non-netdev skb status 2025-09-19 11:26:23 +02:00
tdls.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-03-19 14:16:00 -07:00
tkip.c Merge net-next/main to resolve conflicts 2024-10-09 08:59:22 +02:00
tkip.h
trace_msg.h wifi: mac80211: remove unused MAX_MSG_LEN define 2024-02-08 12:50:09 +01:00
trace.c
trace.h wifi: mac80211: add NAN peer schedule support 2026-04-07 15:36:03 +02:00
tx.c wifi: mac80211: add support for TX over NAN_DATA interfaces 2026-04-07 15:36:03 +02:00
uhr.c wifi: mac80211: add initial UHR support 2026-02-02 10:11:08 +01:00
util.c wifi: mac80211: use safe list iteration in radar detect work 2026-05-05 18:07:39 +02:00
vht.c wifi: mac80211: support NAN stations 2026-04-07 15:36:03 +02:00
wbrf.c wifi: mac80211: use cfg80211_chandef_get_width() 2025-03-12 09:50:27 +01:00
wep.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
wep.h
wme.c
wme.h
wpa.c Networking changes for 7.1. 2026-04-14 18:36:10 -07:00
wpa.h wifi: mac80211: refactor CMAC packet handlers 2025-11-20 11:56:19 +01:00