------------[ cut here ]------------ WARNING: net/bluetooth/hci_conn.c:631 at hci_conn_timeout+0xfc/0x20c net/bluetooth/hci_conn.c:631, CPU#1: kworker/u9:5/4722 Modules linked in: CPU: 1 UID: 0 PID: 4722 Comm: kworker/u9:5 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 Workqueue: hci2 hci_conn_timeout pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : hci_conn_timeout+0xfc/0x20c net/bluetooth/hci_conn.c:631 lr : hci_conn_timeout+0xfc/0x20c net/bluetooth/hci_conn.c:631 sp : ffff800097bf7b20 x29: ffff800097bf7b20 x28: 1fffe0001a82b7e0 x27: 0000000000000000 x26: ffff0000c1f4d258 x25: ffff0000d2f5ca40 x24: 1fffe00019cc1281 x23: ffff0000d415ba80 x22: dfff800000000000 x21: 00000000ffffffff x20: ffff0000d2f5ca40 x19: ffff0000d2f5c000 x18: 1fffe00034bbbe28 x17: ffff80008a7d6000 x16: 0000000000000002 x15: ffff80008a35fda0 x14: ffff80008a5d5e28 x13: 0000000000000001 x12: 0000000000000000 x11: 0000000000000000 x10: ffff60001a5eb803 x9 : 0000000000000000 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff80008a7f45c8 x4 : 0000000000000008 x3 : ffff800085b52484 x2 : 00000000ffffffff x1 : ffff0000d415ba80 x0 : 0000000000000000 Call trace: hci_conn_timeout+0xfc/0x20c net/bluetooth/hci_conn.c:631 (P) process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:838 irq event stamp: 1984 hardirqs last enabled at (1983): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:187 [inline] hardirqs last enabled at (1983): [] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:206 hardirqs last disabled at (1984): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (1808): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (1808): [] rxrpc_peer_keepalive_dispatch net/rxrpc/peer_event.c:310 [inline] softirqs last enabled at (1808): [] rxrpc_peer_keepalive_worker+0xb18/0xd08 net/rxrpc/peer_event.c:356 softirqs last disabled at (1806): [] spin_lock_bh include/linux/spinlock.h:348 [inline] softirqs last disabled at (1806): [] rxrpc_peer_keepalive_dispatch net/rxrpc/peer_event.c:269 [inline] softirqs last disabled at (1806): [] rxrpc_peer_keepalive_worker+0x390/0xd08 net/rxrpc/peer_event.c:356 ---[ end trace 0000000000000000 ]--- Bluetooth: hci2: command 0x0406 tx timeout