------------[ cut here ]------------ WARNING: CPU: 1 PID: 4333 at net/bluetooth/hci_conn.c:668 hci_conn_timeout+0x1fc/0x418 net/bluetooth/hci_conn.c:668 Modules linked in: CPU: 1 PID: 4333 Comm: kworker/u5:6 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: hci0 hci_conn_timeout pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : hci_conn_timeout+0x1fc/0x418 net/bluetooth/hci_conn.c:668 lr : hci_conn_timeout+0x1fc/0x418 net/bluetooth/hci_conn.c:668 sp : ffff800020a57b30 x29: ffff800020a57b30 x28: ffff0000d67c4c00 x27: ffff0000d5470330 x26: ffff0000c0880a18 x25: 1fffe00018110143 x24: dfff800000000000 x23: ffff0000c4ef1800 x22: dfff800000000000 x21: 00000000ffffffff x20: ffff0000d5470000 x19: ffff0000d5470330 x18: ffff800011b7bf60 x17: ffff800018338000 x16: ffff800008042fdc x15: ffff800017e19000 x14: 0000000000000001 x13: 1fffe0001aa8e002 x12: 0000000000ff0100 x11: ff00800010c040e8 x10: 0000000000000000 x9 : ffff800010c040e8 x8 : ffff0000f03ab780 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff800018358d18 x4 : 0000000000000008 x3 : ffff800010c03f24 x2 : 0000000000000000 x1 : 00000000ffffffff x0 : 0000000000000000 Call trace: hci_conn_timeout+0x1fc/0x418 net/bluetooth/hci_conn.c:668 process_one_work+0x7f8/0x13a4 kernel/workqueue.c:2292 worker_thread+0x8c4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 3142 hardirqs last enabled at (3141): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (3141): [] _raw_spin_unlock_irq+0x3c/0x90 kernel/locking/spinlock.c:202 hardirqs last disabled at (3142): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (1088): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (1088): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (1073): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- Bluetooth: hci3: command 0x0406 tx timeout