------------[ cut here ]------------ WARNING: CPU: 0 PID: 4328 at net/bluetooth/hci_conn.c:668 hci_conn_timeout+0x1fc/0x418 net/bluetooth/hci_conn.c:668 Modules linked in: CPU: 0 PID: 4328 Comm: kworker/u5:3 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: hci3 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 : ffff800020f67b30 x29: ffff800020f67b30 x28: ffff0000d6672400 x27: ffff0000d5dcc330 x26: ffff0000c2f02a18 x25: 1fffe000185e0543 x24: dfff800000000000 x23: ffff0000c4ed1000 x22: dfff800000000000 x21: 00000000ffffffff x20: ffff0000d5dcc000 x19: ffff0000d5dcc330 x18: ffff800011b8bf60 x17: ffff800018349000 x16: ffff80000804309c x15: ffff800017e2a000 x14: 0000000000000001 x13: 1fffe0001abb9802 x12: 0000000000ff0100 x11: ff00800010c0a600 x10: 0000000000000000 x9 : ffff800010c0a600 x8 : ffff0000df621bc0 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff800018369d18 x4 : 0000000000000008 x3 : ffff800010c0a43c 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: 2624 hardirqs last enabled at (2623): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (2623): [] exit_to_kernel_mode+0xcc/0xfc arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (2624): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (0): [] copy_process+0x12a0/0x36e4 kernel/fork.c:2301 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace 0000000000000000 ]--- Bluetooth: hci2: command 0x0406 tx timeout