Warning: Permanently added '10.128.0.81' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 46.796163][ T7938] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) [ 46.797904][ T7939] kobject_add_internal failed for hci2 (error: -2 parent: bluetooth) [ 46.833610][ T7938] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 46.877020][ T7939] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 47.013758][ T7965] kobject_add_internal failed for hci6 (error: -2 parent: bluetooth) executing program executing program executing program executing program executing program executing program executing program executing program [ 47.068601][ T7965] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 47.251108][ T7998] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) executing program executing program executing program executing program executing program executing program executing program [ 47.299886][ T7998] Bluetooth: Can't register HCI device [ 47.317667][ T8005] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 47.373970][ T8005] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 48.296234][ T8142] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 48.328771][ T8142] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 48.339773][ T8138] kobject_add_internal failed for hci5 (error: -2 parent: bluetooth) [ 48.357270][ T8138] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 48.854796][ T8219] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 48.889142][ T8219] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 50.087098][ T8398] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 50.137098][ T8398] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 51.550982][ T8609] ------------[ cut here ]------------ [ 51.563819][ T8609] refcount_t: increment on 0; use-after-free. [ 51.572175][ T8609] WARNING: CPU: 1 PID: 8609 at lib/refcount.c:156 refcount_inc_checked+0x61/0x70 [ 51.581299][ T8609] Kernel panic - not syncing: panic_on_warn set ... [ 51.587898][ T8609] CPU: 1 PID: 8609 Comm: syz-executor237 Not tainted 5.1.0-rc5+ #70 [ 51.595877][ T8609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.605937][ T8609] Call Trace: [ 51.609236][ T8609] dump_stack+0x172/0x1f0 [ 51.613583][ T8609] ? refcount_inc_not_zero_checked+0x190/0x200 [ 51.619746][ T8609] panic+0x2cb/0x65c [ 51.623659][ T8609] ? __warn_printk+0xf3/0xf3 [ 51.628271][ T8609] ? refcount_inc_checked+0x61/0x70 [ 51.633482][ T8609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.639742][ T8609] ? __warn.cold+0x5/0x45 [ 51.644079][ T8609] ? __warn+0xe8/0x1d0 [ 51.648165][ T8609] ? refcount_inc_checked+0x61/0x70 [ 51.653375][ T8609] __warn.cold+0x20/0x45 [ 51.657634][ T8609] ? refcount_inc_checked+0x61/0x70 [ 51.662856][ T8609] report_bug+0x263/0x2b0 [ 51.667206][ T8609] do_error_trap+0x11b/0x200 [ 51.671810][ T8609] do_invalid_op+0x37/0x50 [ 51.676242][ T8609] ? refcount_inc_checked+0x61/0x70 [ 51.681470][ T8609] invalid_op+0x14/0x20 [ 51.685642][ T8609] RIP: 0010:refcount_inc_checked+0x61/0x70 [ 51.691465][ T8609] Code: 1d f6 46 2a 06 31 ff 89 de e8 3b 50 40 fe 84 db 75 dd e8 f2 4e 40 fe 48 c7 c7 20 78 a1 87 c6 05 d6 46 2a 06 01 e8 dd fc 12 fe <0f> 0b eb c1 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 41 57 41 [ 51.711081][ T8609] RSP: 0018:ffff88808f4ef8e8 EFLAGS: 00010282 [ 51.717159][ T8609] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 51.725230][ T8609] RDX: 0000000000000000 RSI: ffffffff815afcb6 RDI: ffffed1011e9df0f [ 51.733218][ T8609] RBP: ffff88808f4ef8f8 R08: ffff88809dde0380 R09: ffffed1015d25011 [ 51.741206][ T8609] R10: ffffed1015d25010 R11: ffff8880ae928087 R12: ffff88821ade34f8 [ 51.749196][ T8609] R13: ffff888099349020 R14: ffff888099349018 R15: ffff88821ade3478 [ 51.757202][ T8609] ? vprintk_func+0x86/0x189 [ 51.761811][ T8609] ? refcount_inc_checked+0x61/0x70 [ 51.767027][ T8609] kobject_get+0x66/0xc0 [ 51.771305][ T8609] kobject_add_internal+0x14f/0x380 [ 51.776513][ T8609] ? kfree_const+0x5e/0x70 [ 51.780945][ T8609] kobject_add+0x150/0x1c0 [ 51.785374][ T8609] ? kset_create_and_add+0x1a0/0x1a0 [ 51.790675][ T8609] ? get_device_parent.isra.0+0x34e/0x570 [ 51.796407][ T8609] ? rcu_read_lock_sched_held+0x110/0x130 [ 51.802143][ T8609] ? kmem_cache_alloc_trace+0x354/0x760 [ 51.807712][ T8609] get_device_parent.isra.0+0x415/0x570 [ 51.813271][ T8609] device_add+0x2fd/0x18a0 [ 51.817696][ T8609] ? device_initialize+0x440/0x440 [ 51.822830][ T8609] ? get_device_parent.isra.0+0x570/0x570 [ 51.828572][ T8609] ? start_creating+0x163/0x1e0 [ 51.833435][ T8609] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.839696][ T8609] hci_register_dev+0x2e8/0x860 [ 51.844570][ T8609] __vhci_create_device+0x2d0/0x5a0 [ 51.849780][ T8609] vhci_write+0x2d0/0x470 [ 51.854129][ T8609] new_sync_write+0x4c7/0x760 [ 51.858862][ T8609] ? default_llseek+0x2e0/0x2e0 [ 51.863740][ T8609] ? common_file_perm+0x238/0x720 [ 51.868794][ T8609] ? apparmor_file_permission+0x25/0x30 [ 51.874351][ T8609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.880605][ T8609] ? security_file_permission+0x94/0x380 [ 51.886241][ T8609] ? find_held_lock+0x35/0x130 [ 51.891017][ T8609] __vfs_write+0xe4/0x110 [ 51.895360][ T8609] vfs_write+0x20c/0x580 [ 51.899613][ T8609] ksys_write+0x14f/0x2d0 [ 51.903956][ T8609] ? __ia32_sys_read+0xb0/0xb0 [ 51.908734][ T8609] ? do_syscall_64+0x26/0x610 [ 51.913433][ T8609] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.919513][ T8609] ? do_syscall_64+0x26/0x610 [ 51.924209][ T8609] __x64_sys_write+0x73/0xb0 [ 51.928814][ T8609] do_syscall_64+0x103/0x610 [ 51.933427][ T8609] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.939322][ T8609] RIP: 0033:0x441269 [ 51.943224][ T8609] Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.962857][ T8609] RSP: 002b:00007ffde54d9408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.971283][ T8609] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441269 [ 51.979267][ T8609] RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000003 [ 51.987259][ T8609] RBP: 000000000000c92d R08: 00000000004002c8 R09: 00000000004002c8 [ 51.995254][ T8609] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000401fe0 [ 52.003236][ T8609] R13: 0000000000402070 R14: 0000000000000000 R15: 0000000000000000 [ 52.012159][ T8609] Kernel Offset: disabled [ 52.016593][ T8609] Rebooting in 86400 seconds..