------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 3 PID: 3685 at kernel/locking/lockdep.c:203 hlock_class kernel/locking/lockdep.c:203 [inline]
WARNING: CPU: 3 PID: 3685 at kernel/locking/lockdep.c:203 hlock_class kernel/locking/lockdep.c:192 [inline]
WARNING: CPU: 3 PID: 3685 at kernel/locking/lockdep.c:203 check_wait_context kernel/locking/lockdep.c:4688 [inline]
WARNING: CPU: 3 PID: 3685 at kernel/locking/lockdep.c:203 __lock_acquire+0x1344/0x54a0 kernel/locking/lockdep.c:4965
Modules linked in:
CPU: 3 PID: 3685 Comm: syz-executor.1 Not tainted 5.14.0-rc1-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:hlock_class kernel/locking/lockdep.c:203 [inline]
RIP: 0010:hlock_class kernel/locking/lockdep.c:192 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4688 [inline]
RIP: 0010:__lock_acquire+0x1344/0x54a0 kernel/locking/lockdep.c:4965
Code: 08 84 d2 0f 85 f1 3d 00 00 8b 05 8f ae 11 0c 85 c0 0f 85 f4 fd ff ff 48 c7 c6 60 e4 8b 89 48 c7 c7 20 d8 8b 89 e8 2d 9a 8c 07 <0f> 0b 31 ed e9 b7 f0 ff ff e8 7e 55 78 02 85 c0 0f 84 12 fe ff ff
RSP: 0018:ffffc90003df7548 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff88807759fa40 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815d6855 RDI: fffff520007bee9b
RBP: 0000000000001c12 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815d068e R11: 0000000000000000 R12: ffff888014618a90
R13: ffff888014618000 R14: 0000000000040000 R15: 00000000000c1c12
FS:  0000000000000000(0000) GS:ffff88802cd00000(0063) knlGS:00000000f55a0b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000000000050 CR3: 0000000077f48000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 lock_acquire kernel/locking/lockdep.c:5625 [inline]
 lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:159
 complete_all+0x13/0x60 kernel/sched/completion.c:63
 __fw_state_set drivers/base/firmware_loader/firmware.h:121 [inline]
 fw_state_aborted drivers/base/firmware_loader/firmware.h:126 [inline]
 __fw_load_abort drivers/base/firmware_loader/fallback.c:98 [inline]
 __fw_load_abort drivers/base/firmware_loader/fallback.c:88 [inline]
 kill_pending_fw_fallback_reqs+0x21b/0x370 drivers/base/firmware_loader/fallback.c:119
 fw_pm_notify+0xa2/0x140 drivers/base/firmware_loader/main.c:1450
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
 notifier_call_chain_robust kernel/notifier.c:118 [inline]
 blocking_notifier_call_chain_robust kernel/notifier.c:302 [inline]
 blocking_notifier_call_chain_robust+0xc4/0x160 kernel/notifier.c:290
 pm_notifier_call_chain_robust+0x26/0x60 kernel/power/main.c:87
 snapshot_open+0x190/0x2a0 kernel/power/user.c:75
 misc_open+0x372/0x4a0 drivers/char/misc.c:141
 chrdev_open+0x266/0x770 fs/char_dev.c:414
 do_dentry_open+0x4c8/0x11d0 fs/open.c:826
 do_open fs/namei.c:3374 [inline]
 path_openat+0x1c23/0x27f0 fs/namei.c:3507
 do_filp_open+0x1aa/0x400 fs/namei.c:3534
 do_sys_openat2+0x16d/0x420 fs/open.c:1204
 do_sys_open fs/open.c:1220 [inline]
 __do_compat_sys_openat fs/open.c:1278 [inline]
 __se_compat_sys_openat fs/open.c:1276 [inline]
 __ia32_compat_sys_openat+0x13f/0x1f0 fs/open.c:1276
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf7fa6549
Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f55a05fc EFLAGS: 00000296 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020000d40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000