------------[ cut here ]------------
sdata->crypto_tx_tailroom_needed_cnt != master->crypto_tx_tailroom_needed_cnt
WARNING: net/mac80211/key.c:1168 at ieee80211_free_keys+0x4ed/0x640 net/mac80211/key.c:1168, CPU#2: kworker/u32:10/1190
Modules linked in:
CPU: 2 UID: 0 PID: 1190 Comm: kworker/u32:10 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: netns cleanup_net
RIP: 0010:ieee80211_free_keys+0x4ed/0x640 net/mac80211/key.c:1168
Code: c0 74 08 3c 03 0f 8e 26 01 00 00 8b 9d 78 fb ff ff 44 89 ef 89 de e8 22 85 f6 f6 41 39 dd 0f 84 6b fe ff ff e8 24 8b f6 f6 90 <0f> 0b 90 e9 5d fe ff ff e8 16 8b f6 f6 4c 89 fa 48 b8 00 00 00 00
RSP: 0018:ffffc900064cf378 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8b126d8e
RDX: ffff88802b18c980 RSI: ffffffff8b126d9c RDI: ffff88802b18c980
RBP: ffff88803f8cdc38 R08: 0000000000000004 R09: 0000000000000002
R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff92000c99e71
R13: 0000000000000002 R14: ffffc900064cf3a8 R15: ffffc900064cf390
FS:  0000000000000000(0000) GS:ffff8880d6538000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000e598000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ieee80211_do_stop+0xbed/0x25f0 net/mac80211/iface.c:605
 ieee80211_stop+0x169/0x320 net/mac80211/iface.c:832
 __dev_close_many+0x30d/0x700 net/core/dev.c:1775
 netif_close_many+0x233/0x630 net/core/dev.c:1800
 netif_close net/core/dev.c:1817 [inline]
 netif_close+0x17f/0x230 net/core/dev.c:1811
 dev_close+0xaa/0x240 net/core/dev_api.c:220
 cfg80211_shutdown_all_interfaces+0x9a/0x200 net/wireless/core.c:282
 ieee80211_remove_interfaces+0xc3/0x700 net/mac80211/iface.c:2413
 ieee80211_unregister_hw+0x55/0x360 net/mac80211/main.c:1690
 mac80211_hwsim_del_radio drivers/net/wireless/virtual/mac80211_hwsim.c:5915 [inline]
 hwsim_exit_net+0x88e/0x1530 drivers/net/wireless/virtual/mac80211_hwsim.c:6806
 ops_exit_list net/core/net_namespace.c:199 [inline]
 ops_undo_list+0x2ee/0xab0 net/core/net_namespace.c:252
 cleanup_net+0x499/0x920 net/core/net_namespace.c:702
 process_one_work+0xa23/0x19a0 kernel/workqueue.c:3288
 process_scheduled_works kernel/workqueue.c:3371 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3452
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>