------------[ cut here ]------------
lockdep bfs error:-1
WARNING: CPU: 0 PID: 12 at kernel/locking/lockdep.c:1733 print_bfs_bug+0xed/0x200 kernel/locking/lockdep.c:1733
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.7.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_power_efficient reg_check_chans_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1e9/0x30e lib/dump_stack.c:118
 panic+0x264/0x7a0 kernel/panic.c:221
 __warn+0x209/0x210 kernel/panic.c:582
 report_bug+0x1ac/0x2d0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:175 [inline]
 do_error_trap+0xca/0x1c0 arch/x86/kernel/traps.c:267
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:print_bfs_bug+0xed/0x200 kernel/locking/lockdep.c:1733
Code: 0f 84 29 01 00 00 48 c7 c7 d0 24 f8 8a e8 8b 23 01 00 66 90 45 85 ff 74 13 48 c7 c7 9b f6 e6 88 44 89 f6 31 c0 e8 c3 4a ec ff <0f> 0b 5b 41 5e 41 5f 5d c3 e8 55 73 3c 02 85 c0 74 d8 48 c7 c0 f4
RSP: 0018:ffffc90000d2f5d8 EFLAGS: 00010046
RAX: 47e4903c25497b00 RBX: ffff8880a99fabc4 RCX: ffff8880a99fa300
RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff815cbd79 R09: ffffed1015d045ca
R10: ffffed1015d045ca R11: 0000000000000000 R12: 0000000000006aef
R13: ffffffff8b1057d0 R14: 00000000ffffffff R15: 0000000000000001
 check_path+0x427/0x500 kernel/locking/lockdep.c:1809
 check_noncircular+0x161/0x3a0 kernel/locking/lockdep.c:1834
 check_prev_add kernel/locking/lockdep.c:2515 [inline]
 check_prevs_add kernel/locking/lockdep.c:2620 [inline]
 validate_chain+0x1b09/0x8920 kernel/locking/lockdep.c:3237
 __lock_acquire+0x116c/0x2c30 kernel/locking/lockdep.c:4355
 lock_acquire+0x169/0x480 kernel/locking/lockdep.c:4934
 __mutex_lock_common+0x189/0x2fc0 kernel/locking/mutex.c:956
 __mutex_lock kernel/locking/mutex.c:1103 [inline]
 mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:1118
 reg_check_chans_work+0x26/0x6b0 net/wireless/reg.c:2198
 process_one_work+0x76e/0xfd0 kernel/workqueue.c:2268
 worker_thread+0xa7f/0x1450 kernel/workqueue.c:2414
 kthread+0x353/0x380 kernel/kthread.c:268
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..