------------[ cut here ]------------ WARNING: net/bluetooth/hci_conn.c:567 at hci_conn_timeout+0xf4/0x210 net/bluetooth/hci_conn.c:567, CPU#1: kworker/u9:6/6582 Modules linked in: CPU: 1 UID: 0 PID: 6582 Comm: kworker/u9:6 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: hci4 hci_conn_timeout pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : hci_conn_timeout+0xf4/0x210 net/bluetooth/hci_conn.c:567 lr : hci_conn_timeout+0xf4/0x210 net/bluetooth/hci_conn.c:567 sp : ffff8000a5757a90 x29: ffff8000a5757a90 x28: 1ffff00011f0e28a x27: dfff800000000000 x26: ffff0000dacc7218 x25: ffff0000d3c7c000 x24: 1fffe00019908722 x23: ffff0000cc843900 x22: dfff800000000000 x21: 00000000ffffffff x20: ffff000108ad4a40 x19: ffff000108ad4000 x18: 1fffe00033781890 x17: ffff800093598000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1fffe0002115a802 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60002115a803 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cc843900 x7 : ffff80008043cf2c x6 : 0000000000000000 x5 : ffff8000935b4530 x4 : 0000000000000008 x3 : ffff80008a1904d0 x2 : 0000000000000000 x1 : 00000000ffffffff x0 : 0000000000000000 Call trace: hci_conn_timeout+0xf4/0x210 net/bluetooth/hci_conn.c:567 (P) process_one_work+0x7c0/0x1558 kernel/workqueue.c:3257 process_scheduled_works kernel/workqueue.c:3340 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3421 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 irq event stamp: 6862 hardirqs last enabled at (6861): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (6862): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (6810): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (6806): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- Bluetooth: hci4: command 0x2016 tx timeout