------------[ cut here ]------------
sdata->crypto_tx_tailroom_needed_cnt != master->crypto_tx_tailroom_needed_cnt
WARNING: net/mac80211/key.c:1163 at ieee80211_free_keys+0x4ed/0x640 net/mac80211/key.c:1163, CPU#1: kworker/u32:15/7338
Modules linked in:
CPU: 1 UID: 0 PID: 7338 Comm: kworker/u32:15 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:1163
Code: c0 74 08 3c 03 0f 8e 26 01 00 00 8b 9d 78 fb ff ff 44 89 ef 89 de e8 c2 05 ff f6 41 39 dd 0f 84 6b fe ff ff e8 c4 0b ff f6 90 <0f> 0b 90 e9 5d fe ff ff e8 b6 0b ff f6 4c 89 fa 48 b8 00 00 00 00
RSP: 0018:ffffc90004897378 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8b08efce
RDX: ffff888046d70000 RSI: ffffffff8b08efdc RDI: ffff888046d70000
RBP: ffff88801b661c78 R08: 0000000000000004 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff81d4bcc2 R12: 1ffff92000912e71
R13: 0000000000000001 R14: ffffc900048973a8 R15: ffffc90004897390
FS:  0000000000000000(0000) GS:ffff88809728a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000315e5ff8 CR3: 0000000029077000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ieee80211_do_stop+0x1ba9/0x2940 net/mac80211/iface.c:612
 ieee80211_stop+0x165/0x300 net/mac80211/iface.c:856
 __dev_close_many+0x312/0x700 net/core/dev.c:1776
 netif_close_many+0x233/0x630 net/core/dev.c:1801
 netif_close net/core/dev.c:1818 [inline]
 netif_close+0x17f/0x230 net/core/dev.c:1812
 dev_close+0xaa/0x240 net/core/dev_api.c:221
 cfg80211_shutdown_all_interfaces+0xb4/0x230 net/wireless/core.c:339
 ieee80211_remove_interfaces+0xc3/0x6f0 net/mac80211/iface.c:2485
 ieee80211_unregister_hw+0x55/0x360 net/mac80211/main.c:1714
 mac80211_hwsim_del_radio drivers/net/wireless/virtual/mac80211_hwsim.c:6132 [inline]
 hwsim_exit_net+0x88e/0x1530 drivers/net/wireless/virtual/mac80211_hwsim.c:7029
 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+0xa0e/0x1980 kernel/workqueue.c:3314
 process_scheduled_works kernel/workqueue.c:3397 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3478
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>