------------[ cut here ]------------ WARNING: CPU: 1 PID: 4329 at net/bluetooth/hci_conn.c:668 hci_conn_timeout+0x1fc/0x424 net/bluetooth/hci_conn.c:668 Modules linked in: CPU: 1 PID: 4329 Comm: kworker/u5:3 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: hci1 hci_conn_timeout pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : hci_conn_timeout+0x1fc/0x424 net/bluetooth/hci_conn.c:668 lr : hci_conn_timeout+0x1fc/0x424 net/bluetooth/hci_conn.c:668 sp : ffff800020db7b30 x29: ffff800020db7b30 x28: ffff0000d81b8c00 x27: ffff0000d4312330 x26: ffff0000c087de18 x25: 1fffe0001810fbc3 x24: dfff800000000000 x23: ffff0000c4b35000 x22: dfff800000000000 x21: 00000000ffffffff x20: ffff0000d4312000 x19: ffff0000d4312330 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff800008042c8c x15: ffff800017cd9fc0 x14: ffff0000df555dd8 x13: 0000000000000000 x12: 0000000000ff0100 x11: ff00800010b5f9f0 x10: 0000000000000000 x9 : ffff800010b5f9f0 x8 : ffff0000df555340 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff800018219b80 x4 : 0000000000000008 x3 : ffff800010b5f82c x2 : 0000000000000000 x1 : 00000000ffffffff x0 : 0000000000000000 Call trace: hci_conn_timeout+0x1fc/0x424 net/bluetooth/hci_conn.c:668 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc 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: 2546 hardirqs last enabled at (2545): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (2545): [] exit_to_kernel_mode+0xcc/0xfc arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (2546): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (2320): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (2318): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout