Bluetooth: hci0: Opcode 0x0406 failed: -4
Bluetooth: hci0: Opcode 0x0406 failed: -4
Freezing user space processes
------------[ cut here ]------------
debug_locks && p->lockdep_depth
WARNING: kernel/freezer.c:139 at __set_task_frozen+0x211/0x2e0 kernel/freezer.c:139, CPU#3: syz.7.2241/12965
Modules linked in:
CPU: 3 UID: 0 PID: 12965 Comm: syz.7.2241 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__set_task_frozen+0x211/0x2e0 kernel/freezer.c:139
Code: 0f b6 04 02 84 c0 74 09 3c 03 7f 05 e8 18 40 88 00 8b ab a0 0b 00 00 31 ff 89 ee e8 79 21 16 00 85 ed 74 09 e8 00 27 16 00 90 <0f> 0b 90 e8 f7 26 16 00 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48
RSP: 0018:ffffc900077c7978 EFLAGS: 00010083
RAX: 000000000002267a RBX: ffff888046cccb00 RCX: ffffc90007821000
RDX: 0000000000080000 RSI: ffffffff81f510f0 RDI: ffff8880246ba580
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000000 R12: ffff888046cccb18
R13: 0000000000000002 R14: dffffc0000000000 R15: ffff888046ccd580
FS:  0000000000000000(0000) GS:ffff888096c68000(0063) knlGS:00000000f54a6b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f53c3ff4 CR3: 0000000069df9000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 task_call_func+0x169/0x380 kernel/sched/core.c:4505
 __freeze_task kernel/freezer.c:150 [inline]
 freeze_task+0x151/0x270 kernel/freezer.c:169
 try_to_freeze_tasks+0x243/0x680 kernel/power/process.c:54
 freeze_processes+0xf2/0x1e0 kernel/power/process.c:137
 suspend_freeze_processes kernel/power/power.h:281 [inline]
 suspend_prepare kernel/power/suspend.c:387 [inline]
 enter_state kernel/power/suspend.c:609 [inline]
 pm_suspend kernel/power/suspend.c:644 [inline]
 pm_suspend+0x32c/0x7b0 kernel/power/suspend.c:636
 state_store+0x101/0x240 kernel/power/main.c:819
 kobj_attr_store+0x58/0x80 lib/kobject.c:842
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6af/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
 __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fe5fec
Code: Unable to access opcode bytes at 0xf7fe5fc2.
RSP: 002b:00000000f54a650c EFLAGS: 00000292 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000d00
RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>