RDX: 0000000000000000 RSI: 00000000fffffda6 RDI: 0000000000000000
RBP: ffff88810314bcc8 R08: ffffffff8c669f26 R09: ffffea000000000f
=====================================================
BUG: KMSAN: uninit-value in __show_regs+0xb88/0xc90 arch/x86/kernel/process_64.c:87
 __show_regs+0xb88/0xc90 arch/x86/kernel/process_64.c:87
 show_regs+0x6e/0xd0 arch/x86/kernel/dumpstack.c:469
 __warn+0x242/0x580 kernel/panic.c:620
 report_bug+0x7ff/0xa10 lib/bug.c:198
 handle_bug+0x41/0x70 arch/x86/kernel/traps.c:316
 exc_invalid_op+0x1b/0x50 arch/x86/kernel/traps.c:336
 asm_exc_invalid_op+0x1b/0x20
 hci_conn_timeout+0xa8/0x3c0
 process_one_work+0xb27/0x13e0 kernel/workqueue.c:2289
 worker_thread+0x1076/0x1d60 kernel/workqueue.c:2436
 kthread+0x31b/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30

Local variable .compoundliteral89 created at:
 hci_dev_open_sync+0x80/0x2450 net/bluetooth/hci_sync.c:3852
 hci_dev_do_open net/bluetooth/hci_core.c:482 [inline]
 hci_power_on+0x1ba/0x830 net/bluetooth/hci_core.c:964

CPU: 0 PID: 44 Comm: kworker/u5:0 Not tainted 5.19.0-syzkaller-32655-g1b070a5d1a2c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: hci1 hci_conn_timeout

=====================================================