------------[ cut here ]------------
lockdep bfs error:-1
WARNING: CPU: 2 PID: 36 at kernel/locking/lockdep.c:1714 print_bfs_bug+0x130/0x1e0 kernel/locking/lockdep.c:1714
Kernel panic - not syncing: panic_on_warn set ...
CPU: 2 PID: 36 Comm: kworker/2:1 Not tainted 5.7.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
Workqueue: events_power_efficient reg_check_chans_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x188/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x35 kernel/panic.c:582
 report_bug+0x27b/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:105 [inline]
 fixup_bug arch/x86/kernel/traps.c:100 [inline]
 do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:197
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:216
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:print_bfs_bug+0x130/0x1e0 kernel/locking/lockdep.c:1714
Code: 3b 08 00 74 2c 48 c7 c7 80 2f 68 8c e8 f9 88 01 00 66 90 85 db 75 05 5b 5d 41 5c c3 89 ee 48 c7 c7 60 a5 2b 88 e8 a8 c9 eb ff <0f> 0b 5b 5d 41 5c c3 0f 0b e8 42 64 82 06 85 c0 74 d7 48 c7 c0 90
RSP: 0018:ffffc900006076e0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815d88a7 RDI: fffff520000c0ece
RBP: 00000000ffffffff R08: ffff88802bd90a40 R09: ffffed1005a045f2
R10: ffff88802d022f8b R11: ffffed1005a045f1 R12: ffff88802bd90a40
R13: ffff88802bd91338 R14: ffffc90000607760 R15: 0000000000001f8a
 check_path+0x36/0x40 kernel/locking/lockdep.c:1790
 check_noncircular+0x16d/0x3e0 kernel/locking/lockdep.c:1815
 check_prev_add kernel/locking/lockdep.c:2496 [inline]
 check_prevs_add kernel/locking/lockdep.c:2601 [inline]
 validate_chain kernel/locking/lockdep.c:3218 [inline]
 __lock_acquire+0x2a9a/0x48a0 kernel/locking/lockdep.c:4380
 lock_acquire+0x1f2/0x8f0 kernel/locking/lockdep.c:4959
 __mutex_lock_common kernel/locking/mutex.c:956 [inline]
 __mutex_lock+0x156/0x13c0 kernel/locking/mutex.c:1103
 reg_check_chans_work+0x71/0xe50 net/wireless/reg.c:2199
 process_one_work+0x965/0x16a0 kernel/workqueue.c:2268
 worker_thread+0x96/0xe20 kernel/workqueue.c:2414
 kthread+0x388/0x470 kernel/kthread.c:268
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:351
Kernel Offset: disabled
Rebooting in 86400 seconds..