------------[ cut here ]------------ WARNING: net/bluetooth/hci_conn.c:567 at hci_conn_timeout+0xf4/0x210 net/bluetooth/hci_conn.c:567, CPU#1: kworker/u9:1/6163 Modules linked in: CPU: 1 UID: 0 PID: 6163 Comm: kworker/u9:1 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: hci0 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 : ffff80009ed67a90 x29: ffff80009ed67a90 x28: 1ffff00011f0e28a x27: dfff800000000000 x26: ffff0000daeff218 x25: ffff0000d56edc00 x24: 1fffe0001b649392 x23: ffff0000db249c80 x22: dfff800000000000 x21: 00000000ffffffff x20: ffff0000ce0f0a40 x19: ffff0000ce0f0000 x18: 00000000ffffffff x17: ffff800093598000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1fffe00019c1e002 x13: 0000000000000000 x12: 0000000000000000 x11: ffff600019c1e003 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000db249c80 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: 6624 hardirqs last enabled at (6623): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (6623): [] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202 hardirqs last disabled at (6624): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (6570): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (6568): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- Bluetooth: hci3: Malformed Event: 0x02 Bluetooth: hci4: command tx timeout Bluetooth: hci1: command tx timeout Bluetooth: hci1: command tx timeout