Warning: Permanently added '10.128.0.222' (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 syzkaller login: [ 486.649416] kauditd_printk_skb: 2 callbacks suppressed [ 486.649429] audit: type=1400 audit(1561948740.792:36): avc: denied { map } for pid=7573 comm="syz-executor182" path="/root/syz-executor182035565" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 486.750805] kobject_add_internal failed for hci2 (error: -2 parent: bluetooth) [ 486.785239] 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 [ 486.873392] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 486.874504] Bluetooth: Can't register HCI device [ 486.888628] kobject_add_internal failed for hci4 (error: -2 parent: bluetooth) [ 486.902391] Bluetooth: Can't register HCI device [ 486.915981] 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 executing program [ 486.937724] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program [ 486.973519] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) [ 487.003256] 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 [ 487.022881] 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 [ 487.062784] Bluetooth: Can't register HCI device [ 487.072139] kobject_add_internal failed for hci4 (error: -2 parent: bluetooth) [ 487.077953] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) [ 487.091731] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program [ 487.122804] 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 [ 487.435498] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 487.453774] 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 [ 488.054409] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 488.090829] 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 [ 488.282498] kobject_add_internal failed for hci2 (error: -2 parent: bluetooth) [ 488.296744] Bluetooth: Can't register HCI device [ 488.310454] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) executing program executing program executing program executing program executing program executing program [ 488.341703] Bluetooth: Can't register HCI device [ 488.352589] 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 executing program [ 488.392853] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 489.466495] kobject_add_internal failed for hci5 (error: -2 parent: bluetooth) [ 489.466510] kobject_add_internal failed for hci2 (error: -2 parent: bluetooth) [ 489.484518] kobject_add_internal failed for hci4 (error: -2 parent: bluetooth) [ 489.499650] Bluetooth: Can't register HCI device [ 489.507529] Bluetooth: Can't register HCI device executing program executing program [ 489.509645] 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 [ 490.066399] kobject_add_internal failed for hci6 (error: -2 parent: bluetooth) [ 490.102899] 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 [ 490.361430] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 490.369335] Bluetooth: Can't register HCI device [ 490.388786] kobject_add_internal failed for hci2 (error: -2 parent: bluetooth) [ 490.399855] 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 [ 491.080481] kobject_add_internal failed for hci6 (error: -2 parent: bluetooth) [ 491.100684] 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 [ 491.132877] kobject_add_internal failed for hci4 (error: -2 parent: bluetooth) [ 491.160971] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 492.482247] ------------[ cut here ]------------ [ 492.501733] refcount_t: increment on 0; use-after-free. [ 492.518000] WARNING: CPU: 1 PID: 8688 at lib/refcount.c:153 refcount_inc_checked+0x61/0x70 [ 492.526457] Kernel panic - not syncing: panic_on_warn set ... [ 492.526457] [ 492.533828] CPU: 1 PID: 8688 Comm: syz-executor182 Not tainted 4.19.56 #28 [ 492.540858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 492.550226] Call Trace: [ 492.552870] dump_stack+0x172/0x1f0 [ 492.556524] panic+0x263/0x507 [ 492.559735] ? __warn_printk+0xf3/0xf3 [ 492.563646] ? refcount_inc_checked+0x61/0x70 [ 492.568159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 492.573718] ? __warn.cold+0x5/0x4a [ 492.577377] ? __warn+0xe8/0x1d0 [ 492.580766] ? refcount_inc_checked+0x61/0x70 [ 492.585283] __warn.cold+0x20/0x4a [ 492.588849] ? refcount_inc_checked+0x61/0x70 [ 492.593378] report_bug+0x263/0x2b0 [ 492.597031] do_error_trap+0x204/0x360 [ 492.600939] ? math_error+0x340/0x340 [ 492.604759] ? vprintk_emit+0x264/0x690 [ 492.608750] ? vprintk_emit+0x1ab/0x690 [ 492.612743] ? error_entry+0x76/0xd0 [ 492.616476] ? trace_hardirqs_off_caller+0x65/0x220 [ 492.621515] ? vprintk_default+0x28/0x30 [ 492.625627] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 492.630489] do_invalid_op+0x1b/0x20 [ 492.634212] invalid_op+0x14/0x20 [ 492.637692] RIP: 0010:refcount_inc_checked+0x61/0x70 [ 492.642801] Code: 1d 1d 74 12 06 31 ff 89 de e8 9b 5f 47 fe 84 db 75 dd e8 52 5e 47 fe 48 c7 c7 c0 95 81 87 c6 05 fd 73 12 06 01 e8 8d 37 1b fe <0f> 0b eb c1 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 [ 492.661805] RSP: 0018:ffff88809619f920 EFLAGS: 00010286 [ 492.667195] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 492.674485] RDX: 0000000000000000 RSI: ffffffff8155b1c6 RDI: ffffed1012c33f16 [ 492.681778] RBP: ffff88809619f930 R08: ffff8880849e0540 R09: ffffed1015d24fe9 [ 492.689072] R10: ffffed1015d24fe8 R11: ffff8880ae927f47 R12: ffff88821ae31078 [ 492.696362] R13: ffff88809ad93520 R14: ffff88809ad93518 R15: ffff88821ae30ff8 [ 492.703681] ? vprintk_func+0x86/0x189 [ 492.707601] kobject_get+0x66/0xc0 [ 492.711164] kobject_add_internal+0x14f/0x380 [ 492.715679] ? kfree_const+0x5e/0x70 [ 492.719849] kobject_add+0x150/0x1c0 [ 492.723586] ? kset_create_and_add+0x1a0/0x1a0 [ 492.728193] ? rcu_read_lock_sched_held+0x110/0x130 [ 492.733237] ? kmem_cache_alloc_trace+0x348/0x760 [ 492.738106] get_device_parent.isra.0+0x415/0x570 [ 492.742965] device_add+0x2f4/0x1760 [ 492.746695] ? device_initialize+0x440/0x440 [ 492.751119] ? get_device_parent.isra.0+0x570/0x570 [ 492.756147] ? start_creating+0x163/0x1e0 [ 492.760321] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 492.765875] hci_register_dev+0x304/0x880 [ 492.770067] __vhci_create_device+0x2d0/0x5a0 [ 492.774576] vhci_write+0x2d6/0x470 [ 492.778215] __vfs_write+0x587/0x810 [ 492.781940] ? kernel_read+0x120/0x120 [ 492.785839] ? __inode_security_revalidate+0xda/0x120 [ 492.791042] ? selinux_file_permission+0x92/0x550 [ 492.795906] ? security_file_permission+0x89/0x230 [ 492.800852] ? rw_verify_area+0x118/0x360 [ 492.805024] vfs_write+0x20c/0x560 [ 492.808588] ksys_write+0x14f/0x2d0 [ 492.812227] ? __ia32_sys_read+0xb0/0xb0 [ 492.816324] ? do_syscall_64+0x26/0x620 [ 492.820336] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 492.825714] ? do_syscall_64+0x26/0x620 [ 492.829705] __x64_sys_write+0x73/0xb0 [ 492.833613] do_syscall_64+0xfd/0x620 [ 492.837442] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 492.842639] RIP: 0033:0x441269 [ 492.846018] 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 [ 492.864935] RSP: 002b:00007ffc5dcb0998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 492.872672] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441269 [ 492.879961] RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000003 [ 492.887250] RBP: 0000000000078384 R08: 00000000004002c8 R09: 00000000004002c8 [ 492.894537] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000401fe0 [ 492.901828] R13: 0000000000402070 R14: 0000000000000000 R15: 0000000000000000 [ 492.910933] Kernel Offset: disabled [ 492.914635] Rebooting in 86400 seconds..