Bluetooth: hci0: Opcode 0x0c1a failed: -4
Bluetooth: hci1: Opcode 0x0c1a failed: -4
Bluetooth: hci2: Opcode 0x0c1a failed: -4
Bluetooth: hci3: Opcode 0x0c1a failed: -4
------------[ cut here ]------------
WARNING: kernel/printk/printk_ringbuffer.c:1278 at get_data+0x364/0x400, CPU#1: syz-executor.2/9124
Modules linked in:
CPU: 1 UID: 0 PID: 9124 Comm: syz-executor.2 Not tainted 6.18.0-rc3-next-20251028 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:get_data+0x364/0x400
Code: e8 83 e0 07 83 c0 03 38 d0 0f 8c be fe ff ff 84 d2 0f 84 b6 fe ff ff 48 89 ef e8 47 95 5b 00 e9 a9 fe ff ff e8 3d bb 1e 00 90 <0f> 0b 90 45 31 e4 e9 3b ff ff ff e8 2c bb 1e 00 90 0f 0b 90 45 31
RSP: 0018:ffff88800d016ea0 EFLAGS: 00010212
RAX: 0000000000003d26 RBX: ffff88800d016fb8 RCX: ffffc900031b2000
RDX: 0000000000040000 RSI: ffffffff81555923 RDI: 0000000000000006
RBP: ffff88800d016f80 R08: 0000000000001024 R09: 0000011cb180fcdd
R10: 0000000000000000 R11: 000023a462000029 R12: ffffffff85d30650
R13: 00003fffffffffff R14: 0000000000000000 R15: 0000000000000000
FS:  00007f7186f46700(0000) GS:ffff8880e54f4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f832ea10544 CR3: 000000004939f000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 _prb_read_valid+0x2f3/0x830
 prb_read_valid+0x78/0xa0
 printk_get_next_message+0x10b/0x570
 console_flush_one_record+0x64f/0xb20
 __console_flush_and_unlock+0xb1/0x1d0
 vprintk_emit+0x4c1/0x690
 _printk+0xbe/0xf0
 bt_err+0xdb/0x120
 __hci_cmd_sync_status_sk+0x16d/0x1a0
 hci_suspend_sync+0x6d1/0xa70
 hci_suspend_dev+0x288/0x400
 hci_suspend_notifier+0x177/0x1a0
 blocking_notifier_call_chain_robust+0x145/0x200
 pm_notifier_call_chain_robust+0x2a/0x60
 snapshot_open+0x18e/0x2b0
 misc_open+0x266/0x440
 chrdev_open+0x234/0x690
 do_dentry_open+0x71c/0x1420
 vfs_open+0x82/0x3f0
 path_openat+0x1c3f/0x2880
 do_filp_open+0x1e8/0x450
 do_sys_openat2+0x104/0x1b0
 __x64_sys_openat+0x142/0x200
 do_syscall_64+0xbf/0x390
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f71899f1b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7186f46188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f7189b05020 RCX: 00007f71899f1b19
RDX: 000000003c000000 RSI: 00000000200007c0 RDI: ffffffffffffff9c
RBP: 00007f7189a4bf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffe24d93cf R14: 00007f7186f46300 R15: 0000000000022000
 </TASK>
irq event stamp: 2293
hardirqs last  enabled at (2299): [<ffffffff8154e490>] vprintk_emit+0x650/0x690
hardirqs last disabled at (2304): [<ffffffff8154e421>] vprintk_emit+0x5e1/0x690
softirqs last  enabled at (2006): [<ffffffff813bc26c>] handle_softirqs+0x50c/0x770
softirqs last disabled at (1995): [<ffffffff813bc604>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
Bluetooth: hci5: Opcode 0x0c1a failed: -4
Bluetooth: hci6: Opcode 0x0c1a failed: -4
Bluetooth: hci7: Opcode 0x0c1a failed: -4
Bluetooth: hci0: command 0x0406 tx timeout
Bluetooth: hci3: command 0x0406 tx timeout
Bluetooth: hci2: command 0x0406 tx timeout
Bluetooth: hci1: command 0x0406 tx timeout
Bluetooth: hci7: command 0x0406 tx timeout
Bluetooth: hci6: command 0x0406 tx timeout
Bluetooth: hci5: command 0x0406 tx timeout
Bluetooth: hci4: command 0x0406 tx timeout
Bluetooth: hci0: Opcode 0x0c1a failed: -4
Bluetooth: hci1: Opcode 0x0c1a failed: -4
Bluetooth: hci2: Opcode 0x0c1a failed: -4
Bluetooth: hci3: Opcode 0x0c1a failed: -4
Bluetooth: hci4: Opcode 0x0c1a failed: -4
Bluetooth: hci5: Opcode 0x0c1a failed: -4
Bluetooth: hci6: Opcode 0x0c1a failed: -4
Bluetooth: hci7: Opcode 0x0c1a failed: -4
Bluetooth: hci0: Opcode 0x0c1a failed: -4
Bluetooth: hci1: Opcode 0x0c1a failed: -4
Bluetooth: hci2: Opcode 0x0c1a failed: -4
Bluetooth: hci3: Opcode 0x0c1a failed: -4
Bluetooth: hci4: Opcode 0x0c1a failed: -4
Bluetooth: hci5: Opcode 0x0c1a failed: -4
Bluetooth: hci6: Opcode 0x0c1a failed: -4
Bluetooth: hci7: Opcode 0x0c1a failed: -4