Bluetooth: hci4: Opcode 0x0406 failed: -4
Bluetooth: hci4: Opcode 0x0406 failed: -4
Freezing user space processes
------------[ cut here ]------------
debug_locks && p->lockdep_depth
WARNING: kernel/freezer.c:139 at __set_task_frozen+0x260/0x340, CPU#0: syz.5.2765/12383
Modules linked in:
CPU: 0 UID: 0 PID: 12383 Comm: syz.5.2765 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__set_task_frozen+0x260/0x340
Code: 00 80 00 00 89 e8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 5f 4f 15 00 90 0f 0b 90 e9 f7 fe ff ff e8 51 4f 15 00 90 <0f> 0b 90 eb 93 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c c3 fd ff ff
RSP: 0018:ffffc90003d0f9f0 EFLAGS: 00010083
RAX: ffffffff81b25eff RBX: ffff88816934bc00 RCX: 0000000000080000
RDX: ffffc9002ce0c000 RSI: 0000000000012175 RDI: 0000000000012176
RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: ffffffff81b25ca0 R12: ffff88816934bc18
R13: 1ffff1102d269783 R14: 0000000000000000 R15: ffff88816934c7a0
FS:  00007f77d7ed46c0(0000) GS:ffff88818d6e4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f621ff8 CR3: 000000011741c000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 task_call_func+0x1aa/0x260
 freeze_task+0x229/0x3b0
 try_to_freeze_tasks+0x190/0x620
 freeze_processes+0xd0/0x1f0
 pm_suspend+0x2f1/0x760
 state_store+0x206/0x290
 kernfs_fop_write_iter+0x3a4/0x540
 vfs_write+0x612/0xba0
 ksys_write+0x150/0x270
 do_syscall_64+0x166/0x520
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f77d6f9e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f77d7ed4028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f77d7225fa0 RCX: 00007f77d6f9e159
RDX: 0000000000000003 RSI: 00002000000003c0 RDI: 0000000000000003
RBP: 00007f77d703506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f77d7226038 R14: 00007f77d7225fa0 R15: 00007fff88d998f8
 </TASK>
