Unexpected user alpha2: A ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7400 at net/wireless/reg.c:414 is_user_regdom_saved net/wireless/reg.c:414 [inline] WARNING: CPU: 1 PID: 7400 at net/wireless/reg.c:414 restore_alpha2 net/wireless/reg.c:2566 [inline] WARNING: CPU: 1 PID: 7400 at net/wireless/reg.c:414 restore_regulatory_settings.cold+0x19/0x47 net/wireless/reg.c:2658 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7400 Comm: kworker/1:3 Not tainted 4.14.195-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_power_efficient crda_timeout_work Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x4b kernel/panic.c:547 report_bug+0x208/0x249 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:is_user_regdom_saved net/wireless/reg.c:414 [inline] RIP: 0010:restore_alpha2 net/wireless/reg.c:2566 [inline] RIP: 0010:restore_regulatory_settings.cold+0x19/0x47 net/wireless/reg.c:2658 RSP: 0018:ffff888051effca0 EFLAGS: 00010282 RAX: 000000000000001a RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff86ac12c0 RDI: ffffed100a3dff8a RBP: 0000000000000041 R08: 000000000000001a R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880aeb2ad00 R15: ffff8880aeb2fa00 crda_timeout_work+0x1b/0x20 net/wireless/reg.c:541 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Kernel Offset: disabled Rebooting in 86400 seconds..