------------[ cut here ]------------ WARNING: CPU: 0 PID: 52 at net/bluetooth/hci_conn.c:567 hci_conn_timeout+0xf4/0x1e8 net/bluetooth/hci_conn.c:567 Modules linked in: CPU: 0 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: hci2 hci_conn_timeout pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : hci_conn_timeout+0xf4/0x1e8 net/bluetooth/hci_conn.c:567 lr : hci_conn_timeout+0xf4/0x1e8 net/bluetooth/hci_conn.c:567 sp : ffff800099457a90 x29: ffff800099457a90 x28: 1ffff00011f0c299 x27: dfff800000000000 x26: ffff0000c2feb218 x25: ffff0000d3039c00 x24: 1fffe000186103d2 x23: ffff0000c3081e80 x22: dfff800000000000 x21: 00000000ffffffc0 x20: ffff0000f1ae4948 x19: ffff0000f1ae4000 x18: 00000000ffffffff x17: ffff800093605000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1fffe0001e35c802 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001e35c803 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c3081e80 x7 : ffff8000804377a4 x6 : 0000000000000000 x5 : ffff800093621970 x4 : 0000000000000008 x3 : ffff80008a280f40 x2 : 0000000000000000 x1 : 00000000ffffffc0 x0 : 0000000000000000 Call trace: hci_conn_timeout+0xf4/0x1e8 net/bluetooth/hci_conn.c:567 (P) process_one_work+0x7e8/0x155c kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3400 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 irq event stamp: 5124 hardirqs last enabled at (5123): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (5124): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (3810): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (3810): [] rxrpc_peer_keepalive_dispatch net/rxrpc/peer_event.c:295 [inline] softirqs last enabled at (3810): [] rxrpc_peer_keepalive_worker+0xa20/0x105c net/rxrpc/peer_event.c:341 softirqs last disabled at (3808): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (3808): [] rxrpc_peer_keepalive_dispatch net/rxrpc/peer_event.c:254 [inline] softirqs last disabled at (3808): [] rxrpc_peer_keepalive_worker+0x37c/0x105c net/rxrpc/peer_event.c:341 ---[ end trace 0000000000000000 ]--- Bluetooth: hci2: command tx timeout