------------[ cut here ]------------
Unexpected user alpha2: żI
WARNING: CPU: 0 PID: 5400 at net/wireless/reg.c:439 is_user_regdom_saved net/wireless/reg.c:437 [inline]
WARNING: CPU: 0 PID: 5400 at net/wireless/reg.c:439 restore_alpha2 net/wireless/reg.c:3372 [inline]
WARNING: CPU: 0 PID: 5400 at net/wireless/reg.c:439 restore_regulatory_settings+0x3b4/0x2070 net/wireless/reg.c:3464
Modules linked in:
CPU: 0 PID: 5400 Comm: kworker/0:15 Not tainted 5.15.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Workqueue: events_power_efficient crda_timeout_work
RIP: 0010:is_user_regdom_saved net/wireless/reg.c:437 [inline]
RIP: 0010:restore_alpha2 net/wireless/reg.c:3372 [inline]
RIP: 0010:restore_regulatory_settings+0x3b4/0x2070 net/wireless/reg.c:3464
Code: 05 41 46 f0 07 88 44 24 1c e9 8e 01 00 00 e8 53 74 f3 f7 41 0f be f6 0f be 15 28 46 f0 07 48 c7 c7 40 f5 91 8b e8 5c 40 bf f7 <0f> 0b 4c 8b 35 53 43 31 04 4d 85 f6 0f 84 85 00 00 00 4c 89 f0 48
RSP: 0018:ffffc9000531fb40 EFLAGS: 00010246
RAX: ca005bbea9e70600 RBX: 0000000000000000 RCX: ffff88808dcbd940
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000531fc48 R08: ffffffff8166491c R09: ffffed1017344f24
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888022ca3628 R14: 00000000000000bf R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0185bed6f CR3: 0000000085b97000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 crda_timeout_work+0x23/0x50 net/wireless/reg.c:539
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2307
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2454
 kthread+0x3f6/0x4f0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>