[ 79.572569][ T52] dump_stack_lvl+0x16c/0x1f0 [ 79.572593][ T52] sysfs_warn_dup+0x7f/0xa0 [ 79.572612][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 79.572630][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 79.572647][ T52] ? find_held_lock+0x2b/0x80 [ 79.572669][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 79.572687][ T52] kobject_add_internal+0x2c4/0x9b0 [ 79.572706][ T52] kobject_add+0x16e/0x240 [ 79.572720][ T52] ? __pfx_kobject_add+0x10/0x10 [ 79.572736][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 79.572752][ T52] ? kobject_put+0xab/0x5a0 [ 79.572767][ T52] ? device_add+0x24f/0x1aa0 [ 79.572788][ T52] device_add+0x288/0x1aa0 [ 79.572810][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 79.572829][ T52] ? __pfx_device_add+0x10/0x10 [ 79.572847][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 79.572874][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 79.572897][ T52] le_conn_complete_evt+0x1260/0x2150 [ 79.572924][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 79.572944][ T52] ? hci_event_packet+0x459/0x11c0 [ 79.572970][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 79.572991][ T52] ? skb_pull_data+0x166/0x210 [ 79.573012][ T52] hci_le_meta_evt+0x357/0x5e0 [ 79.573033][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 79.573057][ T52] hci_event_packet+0x685/0x11c0 [ 79.573077][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 79.573099][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 79.573122][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 79.573141][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 79.573168][ T52] hci_rx_work+0x2c5/0x16b0 [ 79.573190][ T52] ? rcu_is_watching+0x12/0xc0 [ 79.573212][ T52] process_one_work+0x9cf/0x1b70 [ 79.573236][ T52] ? __pfx_process_one_work+0x10/0x10 [ 79.573259][ T52] ? assign_work+0x1a0/0x250 [ 79.573275][ T52] worker_thread+0x6c8/0xf10 [ 79.573301][ T52] ? __pfx_worker_thread+0x10/0x10 [ 79.573316][ T52] kthread+0x3c5/0x780 [ 79.573331][ T52] ? __pfx_kthread+0x10/0x10 [ 79.573347][ T52] ? rcu_is_watching+0x12/0xc0 [ 79.573365][ T52] ? __pfx_kthread+0x10/0x10 [ 79.573380][ T52] ret_from_fork+0x675/0x7d0 [ 79.573392][ T52] ? __pfx_kthread+0x10/0x10 [ 79.573407][ T52] ret_from_fork_asm+0x1a/0x30 [ 79.573439][ T52] [ 79.573456][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.587132][ T5867] CPU: 0 UID: 0 PID: 5867 Comm: kworker/u9:2 Not tainted syzkaller #0 PREEMPT(full) [ 79.587152][ T5867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 79.587162][ T5867] Workqueue: hci2 hci_rx_work [ 79.587187][ T5867] Call Trace: [ 79.587192][ T5867] [ 79.587198][ T5867] dump_stack_lvl+0x16c/0x1f0 [ 79.587221][ T5867] sysfs_warn_dup+0x7f/0xa0 [ 79.587239][ T5867] sysfs_create_dir_ns+0x24b/0x2b0 [ 79.587257][ T5867] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 79.587274][ T5867] ? find_held_lock+0x2b/0x80 [ 79.587296][ T5867] ? do_raw_spin_unlock+0x172/0x230 [ 79.587314][ T5867] kobject_add_internal+0x2c4/0x9b0 [ 79.587333][ T5867] kobject_add+0x16e/0x240 [ 79.587347][ T5867] ? __pfx_kobject_add+0x10/0x10 [ 79.587363][ T5867] ? do_raw_spin_unlock+0x172/0x230 [ 79.587380][ T5867] ? kobject_put+0xab/0x5a0 [ 79.587395][ T5867] ? device_add+0x24f/0x1aa0 [ 79.587416][ T5867] device_add+0x288/0x1aa0 [ 79.587433][ T5867] ? __pfx_dev_set_name+0x10/0x10 [ 79.587452][ T5867] ? __pfx_device_add+0x10/0x10 [ 79.587469][ T5867] ? mgmt_send_event_skb+0x2fb/0x460 [ 79.587496][ T5867] hci_conn_add_sysfs+0x17e/0x230 [ 79.587520][ T5867] le_conn_complete_evt+0x1260/0x2150 [ 79.587546][ T5867] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 79.587567][ T5867] ? hci_event_packet+0x459/0x11c0 [ 79.587593][ T5867] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 79.587614][ T5867] ? skb_pull_data+0x166/0x210 [ 79.587634][ T5867] hci_le_meta_evt+0x357/0x5e0 [ 79.587655][ T5867] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 79.587679][ T5867] hci_event_packet+0x685/0x11c0 [ 79.587699][ T5867] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 79.587721][ T5867] ? __pfx_hci_event_packet+0x10/0x10 [ 79.587744][ T5867] ? kcov_remote_start+0x3c9/0x6d0 [ 79.587762][ T5867] ? lockdep_hardirqs_on+0x7c/0x110 [ 79.587789][ T5867] hci_rx_work+0x2c5/0x16b0 [ 79.587811][ T5867] ? rcu_is_watching+0x12/0xc0 [ 79.587833][ T5867] process_one_work+0x9cf/0x1b70 [ 79.587858][ T5867] ? __pfx_process_one_work+0x10/0x10 [ 79.587879][ T5867] ? assign_work+0x1a0/0x250 [ 79.587896][ T5867] worker_thread+0x6c8/0xf10 [ 79.587918][ T5867] ? __kthread_parkme+0x19e/0x250 [ 79.587939][ T5867] ? __pfx_worker_thread+0x10/0x10 [ 79.587954][ T5867] kthread+0x3c5/0x780 [ 79.587969][ T5867] ? __pfx_kthread+0x10/0x10 [ 79.587984][ T5867] ? rcu_is_watching+0x12/0xc0 [ 79.588002][ T5867] ? __pfx_kthread+0x10/0x10 [ 79.588017][ T5867] ret_from_fork+0x675/0x7d0 [ 79.588029][ T5867] ? __pfx_kthread+0x10/0x10 [ 79.588044][ T5867] ret_from_fork_asm+0x1a/0x30 [ 79.588081][ T5867] [ 79.588099][ T5867] kobject: kobject_add_internal failed for hci2:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.591534][ T52] Bluetooth: hci5: failed to register connection device [ 79.597223][ T5936] CPU: 0 UID: 0 PID: 5936 Comm: kworker/u9:5 Not tainted syzkaller #0 PREEMPT(full) [ 79.597243][ T5936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 79.597252][ T5936] Workqueue: hci1 hci_rx_work [ 79.597278][ T5936] Call Trace: [ 79.597286][ T5936] [ 79.597291][ T5936] dump_stack_lvl+0x16c/0x1f0 [ 79.597315][ T5936] sysfs_warn_dup+0x7f/0xa0 [ 79.597334][ T5936] sysfs_create_dir_ns+0x24b/0x2b0 [ 79.597352][ T5936] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 79.597369][ T5936] ? find_held_lock+0x2b/0x80 [ 79.597392][ T5936] ? do_raw_spin_unlock+0x172/0x230 [ 79.597410][ T5936] kobject_add_internal+0x2c4/0x9b0 [ 79.597428][ T5936] kobject_add+0x16e/0x240 [ 79.597442][ T5936] ? __pfx_kobject_add+0x10/0x10 [ 79.597458][ T5936] ? do_raw_spin_unlock+0x172/0x230 [ 79.597475][ T5936] ? kobject_put+0xab/0x5a0 [ 79.597490][ T5936] ? device_add+0x24f/0x1aa0 [ 79.597512][ T5936] device_add+0x288/0x1aa0 [ 79.597529][ T5936] ? __pfx_dev_set_name+0x10/0x10 [ 79.597548][ T5936] ? __pfx_device_add+0x10/0x10 [ 79.597565][ T5936] ? mgmt_send_event_skb+0x2fb/0x460 [ 79.597592][ T5936] hci_conn_add_sysfs+0x17e/0x230 [ 79.597616][ T5936] le_conn_complete_evt+0x1260/0x2150 [ 79.597642][ T5936] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 79.597662][ T5936] ? hci_event_packet+0x459/0x11c0 [ 79.597688][ T5936] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 79.597709][ T5936] ? skb_pull_data+0x166/0x210 [ 79.597729][ T5936] hci_le_meta_evt+0x357/0x5e0 [ 79.597750][ T5936] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 79.597773][ T5936] hci_event_packet+0x685/0x11c0 [ 79.597794][ T5936] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 79.597816][ T5936] ? __pfx_hci_event_packet+0x10/0x10 [ 79.597838][ T5936] ? kcov_remote_start+0x3c9/0x6d0 [ 79.597856][ T5936] ? lockdep_hardirqs_on+0x7c/0x110 [ 79.597882][ T5936] hci_rx_work+0x2c5/0x16b0 [ 79.597904][ T5936] ? rcu_is_watching+0x12/0xc0 [ 79.597926][ T5936] process_one_work+0x9cf/0x1b70 [ 79.597951][ T5936] ? __pfx_process_one_work+0x10/0x10 [ 79.597972][ T5936] ? assign_work+0x1a0/0x250 [ 79.597989][ T5936] worker_thread+0x6c8/0xf10 [ 79.598011][ T5936] ? __kthread_parkme+0x19e/0x250 [ 79.598032][ T5936] ? __pfx_worker_thread+0x10/0x10 [ 79.598048][ T5936] kthread+0x3c5/0x780 [ 79.598062][ T5936] ? __pfx_kthread+0x10/0x10 [ 79.598083][ T5936] ? rcu_is_watching+0x12/0xc0 [ 79.598101][ T5936] ? __pfx_kthread+0x10/0x10 [ 79.598116][ T5936] ret_from_fork+0x675/0x7d0 [ 79.598129][ T5936] ? __pfx_kthread+0x10/0x10 [ 79.598143][ T5936] ret_from_fork_asm+0x1a/0x30 [ 79.598175][ T5936] [ 79.598193][ T5936] kobject: kobject_add_internal failed for hci1:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.599718][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 79.604420][ T5867] Bluetooth: hci2: failed to register connection device [ 79.607555][ T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 79.607574][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 79.607584][ T52] Workqueue: hci5 hci_rx_work [ 79.607608][ T52] Call Trace: [ 79.607613][ T52] [ 79.607620][ T52] dump_stack_lvl+0x16c/0x1f0 [ 79.607643][ T52] sysfs_warn_dup+0x7f/0xa0 [ 79.607663][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 79.607681][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 79.607698][ T52] ? find_held_lock+0x2b/0x80 [ 79.607721][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 79.607739][ T52] kobject_add_internal+0x2c4/0x9b0 [ 79.607758][ T52] kobject_add+0x16e/0x240 [ 79.607772][ T52] ? __pfx_kobject_add+0x10/0x10 [ 79.607788][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 79.607804][ T52] ? kobject_put+0xab/0x5a0 [ 79.607826][ T52] ? device_add+0x24f/0x1aa0 [ 79.607847][ T52] device_add+0x288/0x1aa0 [ 79.607865][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 79.607884][ T52] ? __pfx_device_add+0x10/0x10 [ 79.607901][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 79.607928][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 79.607951][ T52] le_conn_complete_evt+0x1260/0x2150 [ 79.607977][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 79.607997][ T52] ? hci_event_packet+0x459/0x11c0 [ 79.608023][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 79.608045][ T52] ? skb_pull_data+0x166/0x210 [ 79.608065][ T52] hci_le_meta_evt+0x357/0x5e0 [ 79.608086][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 79.608110][ T52] hci_event_packet+0x685/0x11c0 [ 79.608130][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 79.608152][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 79.608175][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 79.608193][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 79.608219][ T52] hci_rx_work+0x2c5/0x16b0 [ 79.608241][ T52] ? rcu_is_watching+0x12/0xc0 [ 79.608263][ T52] process_one_work+0x9cf/0x1b70 [ 79.608288][ T52] ? __pfx_process_one_work+0x10/0x10 [ 79.608310][ T52] ? assign_work+0x1a0/0x250 [ 79.608327][ T52] worker_thread+0x6c8/0xf10 [ 79.608353][ T52] ? __pfx_worker_thread+0x10/0x10 [ 79.608368][ T52] kthread+0x3c5/0x780 [ 79.608384][ T52] ? __pfx_kthread+0x10/0x10 [ 79.608399][ T52] ? rcu_is_watching+0x12/0xc0 [ 79.608417][ T52] ? __pfx_kthread+0x10/0x10 [ 79.608432][ T52] ret_from_fork+0x675/0x7d0 [ 79.608445][ T52] ? __pfx_kthread+0x10/0x10 [ 79.608460][ T52] ret_from_fork_asm+0x1a/0x30 [ 79.608492][ T52] [ 79.608511][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.612649][ T5936] Bluetooth: hci1: failed to register connection device [ 79.616658][ T52] Bluetooth: hci5: failed to register connection device [ 79.714330][ T6114] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:0' [ 79.718833][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 79.731123][ T6114] CPU: 0 UID: 0 PID: 6114 Comm: kworker/u9:6 Not tainted syzkaller #0 PREEMPT(full) [ 79.731143][ T6114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 79.731153][ T6114] Workqueue: hci2 hci_rx_work [ 79.731179][ T6114] Call Trace: [ 79.731185][ T6114] [ 79.731191][ T6114] dump_stack_lvl+0x16c/0x1f0 [ 79.731214][ T6114] sysfs_warn_dup+0x7f/0xa0 [ 79.731233][ T6114] sysfs_create_dir_ns+0x24b/0x2b0 [ 79.731251][ T6114] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 79.731268][ T6114] ? find_held_lock+0x2b/0x80 [ 79.731291][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 79.731308][ T6114] kobject_add_internal+0x2c4/0x9b0 [ 79.731328][ T6114] kobject_add+0x16e/0x240 [ 79.731342][ T6114] ? __pfx_kobject_add+0x10/0x10 [ 79.731358][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 79.731375][ T6114] ? kobject_put+0xab/0x5a0 [ 79.731390][ T6114] ? device_add+0x24f/0x1aa0 [ 79.731411][ T6114] device_add+0x288/0x1aa0 [ 79.731428][ T6114] ? __pfx_dev_set_name+0x10/0x10 [ 79.731447][ T6114] ? __pfx_device_add+0x10/0x10 [ 79.731464][ T6114] ? mgmt_send_event_skb+0x2fb/0x460 [ 79.731491][ T6114] hci_conn_add_sysfs+0x17e/0x230 [ 79.731515][ T6114] le_conn_complete_evt+0x1260/0x2150 [ 79.731541][ T6114] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 79.731561][ T6114] ? hci_event_packet+0x459/0x11c0 [ 79.731587][ T6114] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 79.731608][ T6114] ? skb_pull_data+0x166/0x210 [ 79.731629][ T6114] hci_le_meta_evt+0x357/0x5e0 [ 79.731650][ T6114] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 79.731674][ T6114] hci_event_packet+0x685/0x11c0 [ 79.731694][ T6114] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 79.731716][ T6114] ? __pfx_hci_event_packet+0x10/0x10 [ 79.731738][ T6114] ? kcov_remote_start+0x3c9/0x6d0 [ 79.731756][ T6114] ? lockdep_hardirqs_on+0x7c/0x110 [ 79.731783][ T6114] hci_rx_work+0x2c5/0x16b0 [ 79.731805][ T6114] ? rcu_is_watching+0x12/0xc0 [ 79.731826][ T6114] process_one_work+0x9cf/0x1b70 [ 79.731851][ T6114] ? __pfx_process_one_work+0x10/0x10 [ 79.731873][ T6114] ? assign_work+0x1a0/0x250 [ 79.731890][ T6114] worker_thread+0x6c8/0xf10 [ 79.731912][ T6114] ? __kthread_parkme+0x19e/0x250 [ 79.731934][ T6114] ? __pfx_worker_thread+0x10/0x10 [ 79.731949][ T6114] kthread+0x3c5/0x780 [ 79.731963][ T6114] ? __pfx_kthread+0x10/0x10 [ 79.731979][ T6114] ? rcu_is_watching+0x12/0xc0 [ 79.731996][ T6114] ? __pfx_kthread+0x10/0x10 [ 79.732011][ T6114] ret_from_fork+0x675/0x7d0 [ 79.732024][ T6114] ? __pfx_kthread+0x10/0x10 [ 79.732038][ T6114] ret_from_fork_asm+0x1a/0x30 [ 79.732074][ T6114] [ 79.732093][ T6114] kobject: kobject_add_internal failed for hci2:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.740484][ T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 79.740506][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 79.740517][ T52] Workqueue: hci5 hci_rx_work [ 79.740542][ T52] Call Trace: [ 79.740547][ T52] [ 79.740553][ T52] dump_stack_lvl+0x16c/0x1f0 [ 79.740576][ T52] sysfs_warn_dup+0x7f/0xa0 [ 79.740596][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 79.740614][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 79.740631][ T52] ? find_held_lock+0x2b/0x80 [ 79.740652][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 79.740670][ T52] kobject_add_internal+0x2c4/0x9b0 [ 79.740689][ T52] kobject_add+0x16e/0x240 [ 79.740703][ T52] ? __pfx_kobject_add+0x10/0x10 [ 79.740719][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 79.740735][ T52] ? kobject_put+0xab/0x5a0 [ 79.740750][ T52] ? device_add+0x24f/0x1aa0 [ 79.740771][ T52] device_add+0x288/0x1aa0 [ 79.740788][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 79.740808][ T52] ? __pfx_device_add+0x10/0x10 [ 79.740830][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 79.740862][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 79.740885][ T52] le_conn_complete_evt+0x1260/0x2150 [ 79.740911][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 79.740931][ T52] ? hci_event_packet+0x459/0x11c0 [ 79.740957][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 79.740978][ T52] ? skb_pull_data+0x166/0x210 [ 79.740998][ T52] hci_le_meta_evt+0x357/0x5e0 [ 79.741019][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 79.741043][ T52] hci_event_packet+0x685/0x11c0 [ 79.741063][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 79.741086][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 79.741108][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 79.741126][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 79.741153][ T52] hci_rx_work+0x2c5/0x16b0 [ 79.741175][ T52] ? rcu_is_watching+0x12/0xc0 [ 79.741197][ T52] process_one_work+0x9cf/0x1b70 [ 79.741221][ T52] ? __pfx_process_one_work+0x10/0x10 [ 79.741243][ T52] ? assign_work+0x1a0/0x250 [ 79.741260][ T52] worker_thread+0x6c8/0xf10 [ 79.741286][ T52] ? __pfx_worker_thread+0x10/0x10 [ 79.741301][ T52] kthread+0x3c5/0x780 [ 79.741316][ T52] ? __pfx_kthread+0x10/0x10 [ 79.741332][ T52] ? rcu_is_watching+0x12/0xc0 2025/11/04 13:52:50 executed programs: 80 [ 79.741349][ T52] ? __pfx_kthread+0x10/0x10 [ 79.741364][ T52] ret_from_fork+0x675/0x7d0 [ 79.741377][ T52] ? __pfx_kthread+0x10/0x10 [ 79.741391][ T52] ret_from_fork_asm+0x1a/0x30 [ 79.741423][ T52] [ 79.741469][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.746824][ T6114] Bluetooth: hci2: failed to register connection device [ 79.751738][ T52] Bluetooth: hci5: failed to register connection device [ 79.787451][ T6114] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:0' [ 79.790684][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 79.795585][ T6114] CPU: 0 UID: 0 PID: 6114 Comm: kworker/u9:6 Not tainted syzkaller #0 PREEMPT(full) [ 79.795606][ T6114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 79.795617][ T6114] Workqueue: hci1 hci_rx_work [ 79.795642][ T6114] Call Trace: [ 79.795649][ T6114] [ 79.795655][ T6114] dump_stack_lvl+0x16c/0x1f0 [ 79.795680][ T6114] sysfs_warn_dup+0x7f/0xa0 [ 79.795700][ T6114] sysfs_create_dir_ns+0x24b/0x2b0 [ 79.795719][ T6114] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 79.795736][ T6114] ? find_held_lock+0x2b/0x80 [ 79.795760][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 79.795778][ T6114] kobject_add_internal+0x2c4/0x9b0 [ 79.795797][ T6114] kobject_add+0x16e/0x240 [ 79.795812][ T6114] ? __pfx_kobject_add+0x10/0x10 [ 79.795829][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 79.795846][ T6114] ? kobject_put+0xab/0x5a0 [ 79.795861][ T6114] ? device_add+0x24f/0x1aa0 [ 79.795883][ T6114] device_add+0x288/0x1aa0 [ 79.795901][ T6114] ? __pfx_dev_set_name+0x10/0x10 [ 79.795921][ T6114] ? __pfx_device_add+0x10/0x10 [ 79.795939][ T6114] ? mgmt_send_event_skb+0x2fb/0x460 [ 79.795970][ T6114] hci_conn_add_sysfs+0x17e/0x230 [ 79.795994][ T6114] le_conn_complete_evt+0x1260/0x2150 [ 79.796020][ T6114] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 79.796041][ T6114] ? hci_event_packet+0x459/0x11c0 [ 79.796076][ T6114] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 79.796098][ T6114] ? skb_pull_data+0x166/0x210 [ 79.796120][ T6114] hci_le_meta_evt+0x357/0x5e0 [ 79.796142][ T6114] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 79.796166][ T6114] hci_event_packet+0x685/0x11c0 [ 79.796188][ T6114] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 79.796210][ T6114] ? __pfx_hci_event_packet+0x10/0x10 [ 79.796234][ T6114] ? kcov_remote_start+0x3c9/0x6d0 [ 79.796252][ T6114] ? lockdep_hardirqs_on+0x7c/0x110 [ 79.796280][ T6114] hci_rx_work+0x2c5/0x16b0 [ 79.796303][ T6114] ? rcu_is_watching+0x12/0xc0 [ 79.796326][ T6114] process_one_work+0x9cf/0x1b70 [ 79.796352][ T6114] ? __pfx_process_one_work+0x10/0x10 [ 79.796375][ T6114] ? assign_work+0x1a0/0x250 [ 79.796393][ T6114] worker_thread+0x6c8/0xf10 [ 79.796415][ T6114] ? __kthread_parkme+0x19e/0x250 [ 79.796438][ T6114] ? __pfx_worker_thread+0x10/0x10 [ 79.796454][ T6114] kthread+0x3c5/0x780 [ 79.796469][ T6114] ? __pfx_kthread+0x10/0x10 [ 79.796484][ T6114] ? rcu_is_watching+0x12/0xc0 [ 79.796502][ T6114] ? __pfx_kthread+0x10/0x10 [ 79.796517][ T6114] ret_from_fork+0x675/0x7d0 [ 79.796531][ T6114] ? __pfx_kthread+0x10/0x10 [ 79.796545][ T6114] ret_from_fork_asm+0x1a/0x30 [ 79.796577][ T6114] [ 79.796595][ T6114] kobject: kobject_add_internal failed for hci1:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.799349][ T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 79.799366][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 79.799375][ T52] Workqueue: hci5 hci_rx_work [ 79.799396][ T52] Call Trace: [ 79.799401][ T52] [ 79.799406][ T52] dump_stack_lvl+0x16c/0x1f0 [ 79.799427][ T52] sysfs_warn_dup+0x7f/0xa0 [ 79.799445][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 79.799463][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 79.799480][ T52] ? find_held_lock+0x2b/0x80 [ 79.799502][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 79.799519][ T52] kobject_add_internal+0x2c4/0x9b0 [ 79.799537][ T52] kobject_add+0x16e/0x240 [ 79.799551][ T52] ? __pfx_kobject_add+0x10/0x10 [ 79.799567][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 79.799584][ T52] ? kobject_put+0xab/0x5a0 [ 79.799599][ T52] ? device_add+0x24f/0x1aa0 [ 79.799619][ T52] device_add+0x288/0x1aa0 [ 79.799635][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 79.799654][ T52] ? __pfx_device_add+0x10/0x10 [ 79.799671][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 79.799697][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 79.799720][ T52] le_conn_complete_evt+0x1260/0x2150 [ 79.799746][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 79.799766][ T52] ? hci_event_packet+0x459/0x11c0 [ 79.799791][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 79.799812][ T52] ? skb_pull_data+0x166/0x210 [ 79.799836][ T52] hci_le_meta_evt+0x357/0x5e0 [ 79.799856][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 79.799880][ T52] hci_event_packet+0x685/0x11c0 [ 79.799900][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 79.799923][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 79.799945][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 79.799963][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 79.799989][ T52] hci_rx_work+0x2c5/0x16b0 [ 79.800011][ T52] ? rcu_is_watching+0x12/0xc0 [ 79.800032][ T52] process_one_work+0x9cf/0x1b70 [ 79.800056][ T52] ? __pfx_process_one_work+0x10/0x10 [ 79.800078][ T52] ? assign_work+0x1a0/0x250 [ 79.800095][ T52] worker_thread+0x6c8/0xf10 [ 79.800120][ T52] ? __pfx_worker_thread+0x10/0x10 [ 79.800136][ T52] kthread+0x3c5/0x780 [ 79.800150][ T52] ? __pfx_kthread+0x10/0x10 [ 79.800166][ T52] ? rcu_is_watching+0x12/0xc0 [ 79.800184][ T52] ? __pfx_kthread+0x10/0x10 [ 79.800199][ T52] ret_from_fork+0x675/0x7d0 [ 79.800211][ T52] ? __pfx_kthread+0x10/0x10 [ 79.800225][ T52] ret_from_fork_asm+0x1a/0x30 [ 79.800256][ T52] [ 79.800272][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.804020][ T6114] Bluetooth: hci1: failed to register connection device [ 79.808587][ T52] Bluetooth: hci5: failed to register connection device [ 79.954151][ T6114] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:0' [ 79.958121][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 79.963847][ T6114] CPU: 0 UID: 0 PID: 6114 Comm: kworker/u9:6 Not tainted syzkaller #0 PREEMPT(full) [ 79.963867][ T6114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 79.963877][ T6114] Workqueue: hci2 hci_rx_work [ 79.963902][ T6114] Call Trace: [ 79.963907][ T6114] [ 79.963914][ T6114] dump_stack_lvl+0x16c/0x1f0 [ 79.963937][ T6114] sysfs_warn_dup+0x7f/0xa0 [ 79.963956][ T6114] sysfs_create_dir_ns+0x24b/0x2b0 [ 79.963975][ T6114] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 79.963992][ T6114] ? find_held_lock+0x2b/0x80 [ 79.964014][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 79.964033][ T6114] kobject_add_internal+0x2c4/0x9b0 [ 79.964051][ T6114] kobject_add+0x16e/0x240 [ 79.964070][ T6114] ? __pfx_kobject_add+0x10/0x10 [ 79.964087][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 79.964103][ T6114] ? kobject_put+0xab/0x5a0 [ 79.964119][ T6114] ? device_add+0x24f/0x1aa0 [ 79.964140][ T6114] device_add+0x288/0x1aa0 [ 79.964158][ T6114] ? __pfx_dev_set_name+0x10/0x10 [ 79.964177][ T6114] ? __pfx_device_add+0x10/0x10 [ 79.964195][ T6114] ? mgmt_send_event_skb+0x2fb/0x460 [ 79.964223][ T6114] hci_conn_add_sysfs+0x17e/0x230 [ 79.964247][ T6114] le_conn_complete_evt+0x1260/0x2150 [ 79.964273][ T6114] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 79.964294][ T6114] ? hci_event_packet+0x459/0x11c0 [ 79.964321][ T6114] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 79.964342][ T6114] ? skb_pull_data+0x166/0x210 [ 79.964364][ T6114] hci_le_meta_evt+0x357/0x5e0 [ 79.964385][ T6114] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 79.964409][ T6114] hci_event_packet+0x685/0x11c0 [ 79.964430][ T6114] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 79.964452][ T6114] ? __pfx_hci_event_packet+0x10/0x10 [ 79.964476][ T6114] ? kcov_remote_start+0x3c9/0x6d0 [ 79.964494][ T6114] ? lockdep_hardirqs_on+0x7c/0x110 [ 79.964522][ T6114] hci_rx_work+0x2c5/0x16b0 [ 79.964545][ T6114] ? rcu_is_watching+0x12/0xc0 [ 79.964567][ T6114] process_one_work+0x9cf/0x1b70 [ 79.964593][ T6114] ? __pfx_process_one_work+0x10/0x10 [ 79.964615][ T6114] ? assign_work+0x1a0/0x250 [ 79.964632][ T6114] worker_thread+0x6c8/0xf10 [ 79.964655][ T6114] ? __kthread_parkme+0x19e/0x250 [ 79.964676][ T6114] ? __pfx_worker_thread+0x10/0x10 [ 79.964692][ T6114] kthread+0x3c5/0x780 [ 79.964706][ T6114] ? __pfx_kthread+0x10/0x10 [ 79.964722][ T6114] ? rcu_is_watching+0x12/0xc0 [ 79.964740][ T6114] ? __pfx_kthread+0x10/0x10 [ 79.964755][ T6114] ret_from_fork+0x675/0x7d0 [ 79.964767][ T6114] ? __pfx_kthread+0x10/0x10 [ 79.964781][ T6114] ret_from_fork_asm+0x1a/0x30 [ 79.964813][ T6114] [ 79.964830][ T6114] kobject: kobject_add_internal failed for hci2:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.967056][ T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 79.967073][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 79.967082][ T52] Workqueue: hci5 hci_rx_work [ 79.967102][ T52] Call Trace: [ 79.967107][ T52] [ 79.967112][ T52] dump_stack_lvl+0x16c/0x1f0 [ 79.967133][ T52] sysfs_warn_dup+0x7f/0xa0 [ 79.967151][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 79.967168][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 79.967185][ T52] ? find_held_lock+0x2b/0x80 [ 79.967206][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 79.967223][ T52] kobject_add_internal+0x2c4/0x9b0 [ 79.967241][ T52] kobject_add+0x16e/0x240 [ 79.967255][ T52] ? __pfx_kobject_add+0x10/0x10 [ 79.967271][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 79.967287][ T52] ? kobject_put+0xab/0x5a0 [ 79.967302][ T52] ? device_add+0x24f/0x1aa0 [ 79.967322][ T52] device_add+0x288/0x1aa0 [ 79.967339][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 79.967357][ T52] ? __pfx_device_add+0x10/0x10 [ 79.967375][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 79.967401][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 79.967423][ T52] le_conn_complete_evt+0x1260/0x2150 [ 79.967449][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 79.967468][ T52] ? hci_event_packet+0x459/0x11c0 [ 79.967494][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 79.967515][ T52] ? skb_pull_data+0x166/0x210 [ 79.967534][ T52] hci_le_meta_evt+0x357/0x5e0 [ 79.967554][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 79.967578][ T52] hci_event_packet+0x685/0x11c0 [ 79.967598][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 79.967620][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 79.967642][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 79.967659][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 79.967684][ T52] hci_rx_work+0x2c5/0x16b0 [ 79.967706][ T52] ? rcu_is_watching+0x12/0xc0 [ 79.967727][ T52] process_one_work+0x9cf/0x1b70 [ 79.967751][ T52] ? __pfx_process_one_work+0x10/0x10 [ 79.967773][ T52] ? assign_work+0x1a0/0x250 [ 79.967789][ T52] worker_thread+0x6c8/0xf10 [ 79.967818][ T52] ? __pfx_worker_thread+0x10/0x10 [ 79.967834][ T52] kthread+0x3c5/0x780 [ 79.967848][ T52] ? __pfx_kthread+0x10/0x10 [ 79.967864][ T52] ? rcu_is_watching+0x12/0xc0 [ 79.967882][ T52] ? __pfx_kthread+0x10/0x10 [ 79.967897][ T52] ret_from_fork+0x675/0x7d0 [ 79.967909][ T52] ? __pfx_kthread+0x10/0x10 [ 79.967924][ T52] ret_from_fork_asm+0x1a/0x30 [ 79.967954][ T52] [ 79.967971][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 79.975883][ T6114] Bluetooth: hci2: failed to register connection device [ 79.976635][ T52] Bluetooth: hci5: failed to register connection device [ 80.014634][ T6114] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:0' [ 80.019207][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 80.026983][ T6114] CPU: 0 UID: 0 PID: 6114 Comm: kworker/u9:6 Not tainted syzkaller #0 PREEMPT(full) [ 80.027003][ T6114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.027012][ T6114] Workqueue: hci1 hci_rx_work [ 80.027038][ T6114] Call Trace: [ 80.027043][ T6114] [ 80.027049][ T6114] dump_stack_lvl+0x16c/0x1f0 [ 80.027077][ T6114] sysfs_warn_dup+0x7f/0xa0 [ 80.027096][ T6114] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.027114][ T6114] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.027131][ T6114] ? find_held_lock+0x2b/0x80 [ 80.027154][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 80.027172][ T6114] kobject_add_internal+0x2c4/0x9b0 [ 80.027191][ T6114] kobject_add+0x16e/0x240 [ 80.027206][ T6114] ? __pfx_kobject_add+0x10/0x10 [ 80.027221][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 80.027238][ T6114] ? kobject_put+0xab/0x5a0 [ 80.027253][ T6114] ? device_add+0x24f/0x1aa0 [ 80.027274][ T6114] device_add+0x288/0x1aa0 [ 80.027292][ T6114] ? __pfx_dev_set_name+0x10/0x10 [ 80.027312][ T6114] ? __pfx_device_add+0x10/0x10 [ 80.027330][ T6114] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.027357][ T6114] hci_conn_add_sysfs+0x17e/0x230 [ 80.027381][ T6114] le_conn_complete_evt+0x1260/0x2150 [ 80.027407][ T6114] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.027427][ T6114] ? hci_event_packet+0x459/0x11c0 [ 80.027453][ T6114] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.027474][ T6114] ? skb_pull_data+0x166/0x210 [ 80.027495][ T6114] hci_le_meta_evt+0x357/0x5e0 [ 80.027516][ T6114] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.027539][ T6114] hci_event_packet+0x685/0x11c0 [ 80.027560][ T6114] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.027582][ T6114] ? __pfx_hci_event_packet+0x10/0x10 [ 80.027605][ T6114] ? kcov_remote_start+0x3c9/0x6d0 [ 80.027623][ T6114] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.027650][ T6114] hci_rx_work+0x2c5/0x16b0 [ 80.027672][ T6114] ? rcu_is_watching+0x12/0xc0 [ 80.027693][ T6114] process_one_work+0x9cf/0x1b70 [ 80.027718][ T6114] ? __pfx_process_one_work+0x10/0x10 [ 80.027740][ T6114] ? assign_work+0x1a0/0x250 [ 80.027757][ T6114] worker_thread+0x6c8/0xf10 [ 80.027780][ T6114] ? __kthread_parkme+0x19e/0x250 [ 80.027801][ T6114] ? __pfx_worker_thread+0x10/0x10 [ 80.027817][ T6114] kthread+0x3c5/0x780 [ 80.027831][ T6114] ? __pfx_kthread+0x10/0x10 [ 80.027847][ T6114] ? rcu_is_watching+0x12/0xc0 [ 80.027865][ T6114] ? __pfx_kthread+0x10/0x10 [ 80.027880][ T6114] ret_from_fork+0x675/0x7d0 [ 80.027893][ T6114] ? __pfx_kthread+0x10/0x10 [ 80.027908][ T6114] ret_from_fork_asm+0x1a/0x30 [ 80.027940][ T6114] [ 80.027958][ T6114] kobject: kobject_add_internal failed for hci1:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.030364][ T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 80.030381][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.030390][ T52] Workqueue: hci5 hci_rx_work [ 80.030410][ T52] Call Trace: [ 80.030415][ T52] [ 80.030420][ T52] dump_stack_lvl+0x16c/0x1f0 [ 80.030442][ T52] sysfs_warn_dup+0x7f/0xa0 [ 80.030460][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.030477][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.030494][ T52] ? find_held_lock+0x2b/0x80 [ 80.030516][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.030533][ T52] kobject_add_internal+0x2c4/0x9b0 [ 80.030552][ T52] kobject_add+0x16e/0x240 [ 80.030566][ T52] ? __pfx_kobject_add+0x10/0x10 [ 80.030582][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.030599][ T52] ? kobject_put+0xab/0x5a0 [ 80.030614][ T52] ? device_add+0x24f/0x1aa0 [ 80.030633][ T52] device_add+0x288/0x1aa0 [ 80.030651][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 80.030669][ T52] ? __pfx_device_add+0x10/0x10 [ 80.030687][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.030716][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 80.030739][ T52] le_conn_complete_evt+0x1260/0x2150 [ 80.030765][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.030784][ T52] ? hci_event_packet+0x459/0x11c0 [ 80.030810][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.030836][ T52] ? skb_pull_data+0x166/0x210 [ 80.030860][ T52] hci_le_meta_evt+0x357/0x5e0 [ 80.030880][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.030904][ T52] hci_event_packet+0x685/0x11c0 [ 80.030924][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.030947][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 80.030969][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 80.030986][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.031012][ T52] hci_rx_work+0x2c5/0x16b0 [ 80.031034][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.031055][ T52] process_one_work+0x9cf/0x1b70 [ 80.031080][ T52] ? __pfx_process_one_work+0x10/0x10 [ 80.031102][ T52] ? assign_work+0x1a0/0x250 [ 80.031118][ T52] worker_thread+0x6c8/0xf10 [ 80.031144][ T52] ? __pfx_worker_thread+0x10/0x10 [ 80.031160][ T52] kthread+0x3c5/0x780 [ 80.031175][ T52] ? __pfx_kthread+0x10/0x10 [ 80.031190][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.031208][ T52] ? __pfx_kthread+0x10/0x10 [ 80.031223][ T52] ret_from_fork+0x675/0x7d0 [ 80.031235][ T52] ? __pfx_kthread+0x10/0x10 [ 80.031250][ T52] ret_from_fork_asm+0x1a/0x30 [ 80.031281][ T52] [ 80.031690][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.035337][ T6114] Bluetooth: hci1: failed to register connection device [ 80.040539][ T52] Bluetooth: hci5: failed to register connection device [ 80.175045][ T6114] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:0' [ 80.175709][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 80.179625][ T6114] CPU: 0 UID: 0 PID: 6114 Comm: kworker/u9:6 Not tainted syzkaller #0 PREEMPT(full) [ 80.179643][ T6114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.179653][ T6114] Workqueue: hci2 hci_rx_work [ 80.179678][ T6114] Call Trace: [ 80.179683][ T6114] [ 80.179689][ T6114] dump_stack_lvl+0x16c/0x1f0 [ 80.179713][ T6114] sysfs_warn_dup+0x7f/0xa0 [ 80.179731][ T6114] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.179750][ T6114] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.179767][ T6114] ? find_held_lock+0x2b/0x80 [ 80.179790][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 80.179808][ T6114] kobject_add_internal+0x2c4/0x9b0 [ 80.179828][ T6114] kobject_add+0x16e/0x240 [ 80.179843][ T6114] ? __pfx_kobject_add+0x10/0x10 [ 80.179859][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 80.179875][ T6114] ? kobject_put+0xab/0x5a0 [ 80.179890][ T6114] ? device_add+0x24f/0x1aa0 [ 80.179911][ T6114] device_add+0x288/0x1aa0 [ 80.179928][ T6114] ? __pfx_dev_set_name+0x10/0x10 [ 80.179948][ T6114] ? __pfx_device_add+0x10/0x10 [ 80.179966][ T6114] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.179992][ T6114] hci_conn_add_sysfs+0x17e/0x230 [ 80.180017][ T6114] le_conn_complete_evt+0x1260/0x2150 [ 80.180043][ T6114] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.180068][ T6114] ? hci_event_packet+0x459/0x11c0 [ 80.180095][ T6114] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.180116][ T6114] ? skb_pull_data+0x166/0x210 [ 80.180138][ T6114] hci_le_meta_evt+0x357/0x5e0 [ 80.180159][ T6114] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.180183][ T6114] hci_event_packet+0x685/0x11c0 [ 80.180204][ T6114] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.180226][ T6114] ? __pfx_hci_event_packet+0x10/0x10 [ 80.180249][ T6114] ? kcov_remote_start+0x3c9/0x6d0 [ 80.180267][ T6114] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.180295][ T6114] hci_rx_work+0x2c5/0x16b0 [ 80.180317][ T6114] ? rcu_is_watching+0x12/0xc0 [ 80.180339][ T6114] process_one_work+0x9cf/0x1b70 [ 80.180365][ T6114] ? __pfx_process_one_work+0x10/0x10 [ 80.180388][ T6114] ? assign_work+0x1a0/0x250 [ 80.180405][ T6114] worker_thread+0x6c8/0xf10 [ 80.180429][ T6114] ? __kthread_parkme+0x19e/0x250 [ 80.180450][ T6114] ? __pfx_worker_thread+0x10/0x10 [ 80.180466][ T6114] kthread+0x3c5/0x780 [ 80.180481][ T6114] ? __pfx_kthread+0x10/0x10 [ 80.180497][ T6114] ? rcu_is_watching+0x12/0xc0 [ 80.180514][ T6114] ? __pfx_kthread+0x10/0x10 [ 80.180530][ T6114] ret_from_fork+0x675/0x7d0 [ 80.180543][ T6114] ? __pfx_kthread+0x10/0x10 [ 80.180558][ T6114] ret_from_fork_asm+0x1a/0x30 [ 80.180591][ T6114] [ 80.180608][ T6114] kobject: kobject_add_internal failed for hci2:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.184736][ T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 80.184755][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.184764][ T52] Workqueue: hci5 hci_rx_work [ 80.184787][ T52] Call Trace: [ 80.184792][ T52] [ 80.184798][ T52] dump_stack_lvl+0x16c/0x1f0 [ 80.184829][ T52] sysfs_warn_dup+0x7f/0xa0 [ 80.184849][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.184870][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.184887][ T52] ? find_held_lock+0x2b/0x80 [ 80.184912][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.184932][ T52] kobject_add_internal+0x2c4/0x9b0 [ 80.184953][ T52] kobject_add+0x16e/0x240 [ 80.184969][ T52] ? __pfx_kobject_add+0x10/0x10 [ 80.184987][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.185005][ T52] ? kobject_put+0xab/0x5a0 [ 80.185021][ T52] ? device_add+0x24f/0x1aa0 [ 80.185042][ T52] device_add+0x288/0x1aa0 [ 80.185061][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 80.185081][ T52] ? __pfx_device_add+0x10/0x10 [ 80.185102][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.185130][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 80.185157][ T52] le_conn_complete_evt+0x1260/0x2150 [ 80.185183][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.185204][ T52] ? hci_event_packet+0x459/0x11c0 [ 80.185230][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.185251][ T52] ? skb_pull_data+0x166/0x210 [ 80.185271][ T52] hci_le_meta_evt+0x357/0x5e0 [ 80.185291][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.185315][ T52] hci_event_packet+0x685/0x11c0 [ 80.185335][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.185358][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 80.185380][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 80.185397][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.185423][ T52] hci_rx_work+0x2c5/0x16b0 [ 80.185445][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.185467][ T52] process_one_work+0x9cf/0x1b70 [ 80.185491][ T52] ? __pfx_process_one_work+0x10/0x10 [ 80.185513][ T52] ? assign_work+0x1a0/0x250 [ 80.185529][ T52] worker_thread+0x6c8/0xf10 [ 80.185555][ T52] ? __pfx_worker_thread+0x10/0x10 [ 80.185570][ T52] kthread+0x3c5/0x780 [ 80.185585][ T52] ? __pfx_kthread+0x10/0x10 [ 80.185600][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.185618][ T52] ? __pfx_kthread+0x10/0x10 [ 80.185633][ T52] ret_from_fork+0x675/0x7d0 [ 80.185645][ T52] ? __pfx_kthread+0x10/0x10 [ 80.185660][ T52] ret_from_fork_asm+0x1a/0x30 [ 80.185691][ T52] [ 80.185707][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.196508][ T6114] Bluetooth: hci2: failed to register connection device [ 80.201362][ T52] Bluetooth: hci5: failed to register connection device [ 80.306689][ T6114] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:0' [ 80.310590][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 80.315981][ T6114] CPU: 0 UID: 0 PID: 6114 Comm: kworker/u9:6 Not tainted syzkaller #0 PREEMPT(full) [ 80.316000][ T6114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.316011][ T6114] Workqueue: hci1 hci_rx_work [ 80.316037][ T6114] Call Trace: [ 80.316042][ T6114] [ 80.316048][ T6114] dump_stack_lvl+0x16c/0x1f0 [ 80.316077][ T6114] sysfs_warn_dup+0x7f/0xa0 [ 80.316096][ T6114] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.316114][ T6114] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.316131][ T6114] ? find_held_lock+0x2b/0x80 [ 80.316154][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 80.316172][ T6114] kobject_add_internal+0x2c4/0x9b0 [ 80.316191][ T6114] kobject_add+0x16e/0x240 [ 80.316206][ T6114] ? __pfx_kobject_add+0x10/0x10 [ 80.316222][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 80.316238][ T6114] ? kobject_put+0xab/0x5a0 [ 80.316254][ T6114] ? device_add+0x24f/0x1aa0 [ 80.316275][ T6114] device_add+0x288/0x1aa0 [ 80.316292][ T6114] ? __pfx_dev_set_name+0x10/0x10 [ 80.316312][ T6114] ? __pfx_device_add+0x10/0x10 [ 80.316329][ T6114] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.316356][ T6114] hci_conn_add_sysfs+0x17e/0x230 [ 80.316380][ T6114] le_conn_complete_evt+0x1260/0x2150 [ 80.316405][ T6114] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.316425][ T6114] ? hci_event_packet+0x459/0x11c0 [ 80.316452][ T6114] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.316473][ T6114] ? skb_pull_data+0x166/0x210 [ 80.316494][ T6114] hci_le_meta_evt+0x357/0x5e0 [ 80.316515][ T6114] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.316539][ T6114] hci_event_packet+0x685/0x11c0 [ 80.316559][ T6114] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.316582][ T6114] ? __pfx_hci_event_packet+0x10/0x10 [ 80.316604][ T6114] ? kcov_remote_start+0x3c9/0x6d0 [ 80.316623][ T6114] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.316649][ T6114] hci_rx_work+0x2c5/0x16b0 [ 80.316672][ T6114] ? rcu_is_watching+0x12/0xc0 [ 80.316694][ T6114] process_one_work+0x9cf/0x1b70 [ 80.316720][ T6114] ? __pfx_process_one_work+0x10/0x10 [ 80.316742][ T6114] ? assign_work+0x1a0/0x250 [ 80.316758][ T6114] worker_thread+0x6c8/0xf10 [ 80.316796][ T6114] ? __kthread_parkme+0x19e/0x250 [ 80.316819][ T6114] ? __pfx_worker_thread+0x10/0x10 [ 80.316835][ T6114] kthread+0x3c5/0x780 [ 80.316849][ T6114] ? __pfx_kthread+0x10/0x10 [ 80.316865][ T6114] ? rcu_is_watching+0x12/0xc0 [ 80.316883][ T6114] ? __pfx_kthread+0x10/0x10 [ 80.316898][ T6114] ret_from_fork+0x675/0x7d0 [ 80.316911][ T6114] ? __pfx_kthread+0x10/0x10 [ 80.316926][ T6114] ret_from_fork_asm+0x1a/0x30 [ 80.316957][ T6114] [ 80.316974][ T6114] kobject: kobject_add_internal failed for hci1:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.319873][ T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 80.319890][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.319899][ T52] Workqueue: hci5 hci_rx_work [ 80.319919][ T52] Call Trace: [ 80.319923][ T52] [ 80.319929][ T52] dump_stack_lvl+0x16c/0x1f0 [ 80.319951][ T52] sysfs_warn_dup+0x7f/0xa0 [ 80.319968][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.319985][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.320002][ T52] ? find_held_lock+0x2b/0x80 [ 80.320023][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.320041][ T52] kobject_add_internal+0x2c4/0x9b0 [ 80.320059][ T52] kobject_add+0x16e/0x240 [ 80.320073][ T52] ? __pfx_kobject_add+0x10/0x10 [ 80.320089][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.320106][ T52] ? kobject_put+0xab/0x5a0 [ 80.320121][ T52] ? device_add+0x24f/0x1aa0 [ 80.320141][ T52] device_add+0x288/0x1aa0 [ 80.320157][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 80.320176][ T52] ? __pfx_device_add+0x10/0x10 [ 80.320193][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.320220][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 80.320242][ T52] le_conn_complete_evt+0x1260/0x2150 [ 80.320268][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.320287][ T52] ? hci_event_packet+0x459/0x11c0 [ 80.320313][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.320334][ T52] ? skb_pull_data+0x166/0x210 [ 80.320352][ T52] hci_le_meta_evt+0x357/0x5e0 [ 80.320373][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.320396][ T52] hci_event_packet+0x685/0x11c0 [ 80.320416][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.320438][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 80.320460][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 80.320477][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.320502][ T52] hci_rx_work+0x2c5/0x16b0 [ 80.320524][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.320545][ T52] process_one_work+0x9cf/0x1b70 [ 80.320568][ T52] ? __pfx_process_one_work+0x10/0x10 [ 80.320591][ T52] ? assign_work+0x1a0/0x250 [ 80.320607][ T52] worker_thread+0x6c8/0xf10 [ 80.320632][ T52] ? __pfx_worker_thread+0x10/0x10 [ 80.320647][ T52] kthread+0x3c5/0x780 [ 80.320662][ T52] ? __pfx_kthread+0x10/0x10 [ 80.320677][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.320695][ T52] ? __pfx_kthread+0x10/0x10 [ 80.320710][ T52] ret_from_fork+0x675/0x7d0 [ 80.320721][ T52] ? __pfx_kthread+0x10/0x10 [ 80.320736][ T52] ret_from_fork_asm+0x1a/0x30 [ 80.320766][ T52] [ 80.320783][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.327249][ T6114] Bluetooth: hci1: failed to register connection device [ 80.329319][ T52] Bluetooth: hci5: failed to register connection device [ 80.406378][ T5932] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.409674][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 80.426604][ T6114] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:0' [ 80.435439][ T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 80.435460][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.435471][ T52] Workqueue: hci5 hci_rx_work [ 80.435496][ T52] Call Trace: [ 80.435501][ T52] [ 80.435508][ T52] dump_stack_lvl+0x16c/0x1f0 [ 80.435532][ T52] sysfs_warn_dup+0x7f/0xa0 [ 80.435552][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.435570][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.435587][ T52] ? find_held_lock+0x2b/0x80 [ 80.435609][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.435627][ T52] kobject_add_internal+0x2c4/0x9b0 [ 80.435646][ T52] kobject_add+0x16e/0x240 [ 80.435660][ T52] ? __pfx_kobject_add+0x10/0x10 [ 80.435676][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.435692][ T52] ? kobject_put+0xab/0x5a0 [ 80.435707][ T52] ? device_add+0x24f/0x1aa0 [ 80.435727][ T52] device_add+0x288/0x1aa0 [ 80.435744][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 80.435763][ T52] ? __pfx_device_add+0x10/0x10 [ 80.435781][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.435813][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 80.435836][ T52] le_conn_complete_evt+0x1260/0x2150 [ 80.435863][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.435883][ T52] ? hci_event_packet+0x459/0x11c0 [ 80.435909][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.435930][ T52] ? skb_pull_data+0x166/0x210 [ 80.435951][ T52] hci_le_meta_evt+0x357/0x5e0 [ 80.435973][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.435996][ T52] hci_event_packet+0x685/0x11c0 [ 80.436017][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.436039][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 80.436062][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 80.436080][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.436107][ T52] hci_rx_work+0x2c5/0x16b0 [ 80.436129][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.436151][ T52] process_one_work+0x9cf/0x1b70 [ 80.436176][ T52] ? __pfx_process_one_work+0x10/0x10 [ 80.436198][ T52] ? assign_work+0x1a0/0x250 [ 80.436215][ T52] worker_thread+0x6c8/0xf10 [ 80.436241][ T52] ? __pfx_worker_thread+0x10/0x10 [ 80.436256][ T52] kthread+0x3c5/0x780 [ 80.436271][ T52] ? __pfx_kthread+0x10/0x10 [ 80.436286][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.436304][ T52] ? __pfx_kthread+0x10/0x10 [ 80.436319][ T52] ret_from_fork+0x675/0x7d0 [ 80.436332][ T52] ? __pfx_kthread+0x10/0x10 [ 80.436346][ T52] ret_from_fork_asm+0x1a/0x30 [ 80.436379][ T52] [ 80.436398][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.440537][ T6114] CPU: 0 UID: 0 PID: 6114 Comm: kworker/u9:6 Not tainted syzkaller #0 PREEMPT(full) [ 80.440554][ T6114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.440563][ T6114] Workqueue: hci2 hci_rx_work [ 80.440584][ T6114] Call Trace: [ 80.440589][ T6114] [ 80.440594][ T6114] dump_stack_lvl+0x16c/0x1f0 [ 80.440616][ T6114] sysfs_warn_dup+0x7f/0xa0 [ 80.440633][ T6114] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.440651][ T6114] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.440668][ T6114] ? find_held_lock+0x2b/0x80 [ 80.440689][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 80.440707][ T6114] kobject_add_internal+0x2c4/0x9b0 [ 80.440726][ T6114] kobject_add+0x16e/0x240 [ 80.440740][ T6114] ? __pfx_kobject_add+0x10/0x10 [ 80.440756][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 80.440772][ T6114] ? kobject_put+0xab/0x5a0 [ 80.440788][ T6114] ? device_add+0x24f/0x1aa0 [ 80.440807][ T6114] device_add+0x288/0x1aa0 [ 80.440824][ T6114] ? __pfx_dev_set_name+0x10/0x10 [ 80.440847][ T6114] ? __pfx_device_add+0x10/0x10 [ 80.440865][ T6114] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.440890][ T6114] hci_conn_add_sysfs+0x17e/0x230 [ 80.440914][ T6114] le_conn_complete_evt+0x1260/0x2150 [ 80.440940][ T6114] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.440960][ T6114] ? hci_event_packet+0x459/0x11c0 [ 80.440986][ T6114] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.441008][ T6114] ? skb_pull_data+0x166/0x210 [ 80.441027][ T6114] hci_le_meta_evt+0x357/0x5e0 [ 80.441048][ T6114] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.441076][ T6114] hci_event_packet+0x685/0x11c0 [ 80.441097][ T6114] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.441119][ T6114] ? __pfx_hci_event_packet+0x10/0x10 [ 80.441141][ T6114] ? kcov_remote_start+0x3c9/0x6d0 [ 80.441158][ T6114] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.441184][ T6114] hci_rx_work+0x2c5/0x16b0 [ 80.441206][ T6114] ? rcu_is_watching+0x12/0xc0 [ 80.441228][ T6114] process_one_work+0x9cf/0x1b70 [ 80.441252][ T6114] ? __pfx_process_one_work+0x10/0x10 [ 80.441274][ T6114] ? assign_work+0x1a0/0x250 [ 80.441291][ T6114] worker_thread+0x6c8/0xf10 [ 80.441313][ T6114] ? __kthread_parkme+0x19e/0x250 [ 80.441334][ T6114] ? __pfx_worker_thread+0x10/0x10 [ 80.441349][ T6114] kthread+0x3c5/0x780 [ 80.441364][ T6114] ? __pfx_kthread+0x10/0x10 [ 80.441380][ T6114] ? rcu_is_watching+0x12/0xc0 [ 80.441398][ T6114] ? __pfx_kthread+0x10/0x10 [ 80.441413][ T6114] ret_from_fork+0x675/0x7d0 [ 80.441425][ T6114] ? __pfx_kthread+0x10/0x10 [ 80.441439][ T6114] ret_from_fork_asm+0x1a/0x30 [ 80.441470][ T6114] [ 80.441572][ T6114] kobject: kobject_add_internal failed for hci2:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.443428][ T52] Bluetooth: hci5: failed to register connection device [ 80.446300][ T6114] Bluetooth: hci2: failed to register connection device [ 80.451316][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 80.523340][ T6114] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:0' [ 80.525060][ T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 80.525079][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.525089][ T52] Workqueue: hci5 hci_rx_work [ 80.525114][ T52] Call Trace: [ 80.525119][ T52] [ 80.525125][ T52] dump_stack_lvl+0x16c/0x1f0 [ 80.525148][ T52] sysfs_warn_dup+0x7f/0xa0 [ 80.525166][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.525184][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.525201][ T52] ? find_held_lock+0x2b/0x80 [ 80.525224][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.525242][ T52] kobject_add_internal+0x2c4/0x9b0 [ 80.525260][ T52] kobject_add+0x16e/0x240 [ 80.525274][ T52] ? __pfx_kobject_add+0x10/0x10 [ 80.525290][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.525306][ T52] ? kobject_put+0xab/0x5a0 [ 80.525321][ T52] ? device_add+0x24f/0x1aa0 [ 80.525342][ T52] device_add+0x288/0x1aa0 [ 80.525359][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 80.525379][ T52] ? __pfx_device_add+0x10/0x10 [ 80.525397][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.525423][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 80.525446][ T52] le_conn_complete_evt+0x1260/0x2150 [ 80.525472][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.525491][ T52] ? hci_event_packet+0x459/0x11c0 [ 80.525517][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.525538][ T52] ? skb_pull_data+0x166/0x210 [ 80.525558][ T52] hci_le_meta_evt+0x357/0x5e0 [ 80.525580][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.525603][ T52] hci_event_packet+0x685/0x11c0 [ 80.525623][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.525646][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 80.525668][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 80.525686][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.525713][ T52] hci_rx_work+0x2c5/0x16b0 [ 80.525734][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.525756][ T52] process_one_work+0x9cf/0x1b70 [ 80.525781][ T52] ? __pfx_process_one_work+0x10/0x10 [ 80.525803][ T52] ? assign_work+0x1a0/0x250 [ 80.525824][ T52] worker_thread+0x6c8/0xf10 [ 80.525850][ T52] ? __pfx_worker_thread+0x10/0x10 [ 80.525865][ T52] kthread+0x3c5/0x780 [ 80.525880][ T52] ? __pfx_kthread+0x10/0x10 [ 80.525896][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.525914][ T52] ? __pfx_kthread+0x10/0x10 [ 80.525929][ T52] ret_from_fork+0x675/0x7d0 [ 80.525942][ T52] ? __pfx_kthread+0x10/0x10 [ 80.525957][ T52] ret_from_fork_asm+0x1a/0x30 [ 80.525988][ T52] [ 80.526006][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.529879][ T6114] CPU: 0 UID: 0 PID: 6114 Comm: kworker/u9:6 Not tainted syzkaller #0 PREEMPT(full) [ 80.529896][ T6114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.529905][ T6114] Workqueue: hci1 hci_rx_work [ 80.529926][ T6114] Call Trace: [ 80.529931][ T6114] [ 80.529936][ T6114] dump_stack_lvl+0x16c/0x1f0 [ 80.529958][ T6114] sysfs_warn_dup+0x7f/0xa0 [ 80.529976][ T6114] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.529994][ T6114] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.530011][ T6114] ? find_held_lock+0x2b/0x80 [ 80.530032][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 80.530049][ T6114] kobject_add_internal+0x2c4/0x9b0 [ 80.530073][ T6114] kobject_add+0x16e/0x240 [ 80.530087][ T6114] ? __pfx_kobject_add+0x10/0x10 [ 80.530103][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 80.530120][ T6114] ? kobject_put+0xab/0x5a0 [ 80.530135][ T6114] ? device_add+0x24f/0x1aa0 [ 80.530155][ T6114] device_add+0x288/0x1aa0 [ 80.530172][ T6114] ? __pfx_dev_set_name+0x10/0x10 [ 80.530191][ T6114] ? __pfx_device_add+0x10/0x10 [ 80.530209][ T6114] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.530235][ T6114] hci_conn_add_sysfs+0x17e/0x230 [ 80.530259][ T6114] le_conn_complete_evt+0x1260/0x2150 [ 80.530284][ T6114] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.530304][ T6114] ? hci_event_packet+0x459/0x11c0 [ 80.530330][ T6114] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.530352][ T6114] ? skb_pull_data+0x166/0x210 [ 80.530371][ T6114] hci_le_meta_evt+0x357/0x5e0 [ 80.530392][ T6114] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.530416][ T6114] hci_event_packet+0x685/0x11c0 [ 80.530436][ T6114] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.530459][ T6114] ? __pfx_hci_event_packet+0x10/0x10 [ 80.530481][ T6114] ? kcov_remote_start+0x3c9/0x6d0 [ 80.530499][ T6114] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.530525][ T6114] hci_rx_work+0x2c5/0x16b0 [ 80.530547][ T6114] ? rcu_is_watching+0x12/0xc0 [ 80.530568][ T6114] process_one_work+0x9cf/0x1b70 [ 80.530592][ T6114] ? __pfx_process_one_work+0x10/0x10 [ 80.530615][ T6114] ? assign_work+0x1a0/0x250 [ 80.530631][ T6114] worker_thread+0x6c8/0xf10 [ 80.530654][ T6114] ? __kthread_parkme+0x19e/0x250 [ 80.530675][ T6114] ? __pfx_worker_thread+0x10/0x10 [ 80.530691][ T6114] kthread+0x3c5/0x780 [ 80.530706][ T6114] ? __pfx_kthread+0x10/0x10 [ 80.530722][ T6114] ? rcu_is_watching+0x12/0xc0 [ 80.530739][ T6114] ? __pfx_kthread+0x10/0x10 [ 80.530754][ T6114] ret_from_fork+0x675/0x7d0 [ 80.530767][ T6114] ? __pfx_kthread+0x10/0x10 [ 80.530781][ T6114] ret_from_fork_asm+0x1a/0x30 [ 80.530812][ T6114] [ 80.530829][ T6114] kobject: kobject_add_internal failed for hci1:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.535284][ T52] Bluetooth: hci5: failed to register connection device [ 80.541103][ T6114] Bluetooth: hci1: failed to register connection device [ 80.546475][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 80.594385][ T5132] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:0' [ 80.594990][ T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 80.595009][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.595018][ T52] Workqueue: hci5 hci_rx_work [ 80.595044][ T52] Call Trace: [ 80.595049][ T52] [ 80.595055][ T52] dump_stack_lvl+0x16c/0x1f0 [ 80.595080][ T52] sysfs_warn_dup+0x7f/0xa0 [ 80.595099][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.595117][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.595134][ T52] ? find_held_lock+0x2b/0x80 [ 80.595156][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.595174][ T52] kobject_add_internal+0x2c4/0x9b0 [ 80.595193][ T52] kobject_add+0x16e/0x240 [ 80.595207][ T52] ? __pfx_kobject_add+0x10/0x10 [ 80.595223][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.595239][ T52] ? kobject_put+0xab/0x5a0 [ 80.595255][ T52] ? device_add+0x24f/0x1aa0 [ 80.595276][ T52] device_add+0x288/0x1aa0 [ 80.595293][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 80.595313][ T52] ? __pfx_device_add+0x10/0x10 [ 80.595331][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.595358][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 80.595382][ T52] le_conn_complete_evt+0x1260/0x2150 [ 80.595408][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.595428][ T52] ? hci_event_packet+0x459/0x11c0 [ 80.595455][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.595476][ T52] ? skb_pull_data+0x166/0x210 [ 80.595497][ T52] hci_le_meta_evt+0x357/0x5e0 [ 80.595517][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.595541][ T52] hci_event_packet+0x685/0x11c0 [ 80.595561][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.595583][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 80.595606][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 80.595624][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.595650][ T52] hci_rx_work+0x2c5/0x16b0 [ 80.595672][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.595694][ T52] process_one_work+0x9cf/0x1b70 [ 80.595719][ T52] ? __pfx_process_one_work+0x10/0x10 [ 80.595740][ T52] ? assign_work+0x1a0/0x250 [ 80.595757][ T52] worker_thread+0x6c8/0xf10 [ 80.595783][ T52] ? __pfx_worker_thread+0x10/0x10 [ 80.595798][ T52] kthread+0x3c5/0x780 [ 80.595818][ T52] ? __pfx_kthread+0x10/0x10 [ 80.595833][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.595851][ T52] ? __pfx_kthread+0x10/0x10 [ 80.595866][ T52] ret_from_fork+0x675/0x7d0 [ 80.595880][ T52] ? __pfx_kthread+0x10/0x10 [ 80.595894][ T52] ret_from_fork_asm+0x1a/0x30 [ 80.595926][ T52] [ 80.595944][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.598933][ T5132] CPU: 0 UID: 0 PID: 5132 Comm: kworker/u9:1 Not tainted syzkaller #0 PREEMPT(full) [ 80.598951][ T5132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.598961][ T5132] Workqueue: hci2 hci_rx_work [ 80.598981][ T5132] Call Trace: [ 80.598986][ T5132] [ 80.598991][ T5132] dump_stack_lvl+0x16c/0x1f0 [ 80.599013][ T5132] sysfs_warn_dup+0x7f/0xa0 [ 80.599031][ T5132] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.599049][ T5132] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.599071][ T5132] ? find_held_lock+0x2b/0x80 [ 80.599093][ T5132] ? do_raw_spin_unlock+0x172/0x230 [ 80.599110][ T5132] kobject_add_internal+0x2c4/0x9b0 [ 80.599129][ T5132] kobject_add+0x16e/0x240 [ 80.599143][ T5132] ? __pfx_kobject_add+0x10/0x10 [ 80.599159][ T5132] ? do_raw_spin_unlock+0x172/0x230 [ 80.599176][ T5132] ? kobject_put+0xab/0x5a0 [ 80.599191][ T5132] ? device_add+0x24f/0x1aa0 [ 80.599211][ T5132] device_add+0x288/0x1aa0 [ 80.599228][ T5132] ? __pfx_dev_set_name+0x10/0x10 [ 80.599247][ T5132] ? __pfx_device_add+0x10/0x10 [ 80.599265][ T5132] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.599291][ T5132] hci_conn_add_sysfs+0x17e/0x230 [ 80.599314][ T5132] le_conn_complete_evt+0x1260/0x2150 [ 80.599339][ T5132] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.599359][ T5132] ? hci_event_packet+0x459/0x11c0 [ 80.599386][ T5132] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.599408][ T5132] ? skb_pull_data+0x166/0x210 [ 80.599427][ T5132] hci_le_meta_evt+0x357/0x5e0 [ 80.599448][ T5132] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.599471][ T5132] hci_event_packet+0x685/0x11c0 [ 80.599492][ T5132] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.599514][ T5132] ? __pfx_hci_event_packet+0x10/0x10 [ 80.599537][ T5132] ? kcov_remote_start+0x3c9/0x6d0 [ 80.599554][ T5132] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.599580][ T5132] hci_rx_work+0x2c5/0x16b0 [ 80.599602][ T5132] ? rcu_is_watching+0x12/0xc0 [ 80.599623][ T5132] process_one_work+0x9cf/0x1b70 [ 80.599647][ T5132] ? __pfx_process_one_work+0x10/0x10 [ 80.599670][ T5132] ? assign_work+0x1a0/0x250 [ 80.599687][ T5132] worker_thread+0x6c8/0xf10 [ 80.599712][ T5132] ? __pfx_worker_thread+0x10/0x10 [ 80.599728][ T5132] kthread+0x3c5/0x780 [ 80.599742][ T5132] ? __pfx_kthread+0x10/0x10 [ 80.599758][ T5132] ? rcu_is_watching+0x12/0xc0 [ 80.599776][ T5132] ? __pfx_kthread+0x10/0x10 [ 80.599791][ T5132] ret_from_fork+0x675/0x7d0 [ 80.599803][ T5132] ? __pfx_kthread+0x10/0x10 [ 80.599817][ T5132] ret_from_fork_asm+0x1a/0x30 [ 80.599848][ T5132] [ 80.599865][ T5132] kobject: kobject_add_internal failed for hci2:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.603739][ T52] Bluetooth: hci5: failed to register connection device [ 80.604108][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 80.610777][ T5132] Bluetooth: hci2: failed to register connection device [ 80.614140][ T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 80.614160][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.614171][ T52] Workqueue: hci5 hci_rx_work [ 80.614199][ T52] Call Trace: [ 80.614204][ T52] [ 80.614211][ T52] dump_stack_lvl+0x16c/0x1f0 [ 80.614237][ T52] sysfs_warn_dup+0x7f/0xa0 [ 80.614259][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.614280][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.614300][ T52] ? find_held_lock+0x2b/0x80 [ 80.614324][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.614346][ T52] kobject_add_internal+0x2c4/0x9b0 [ 80.614368][ T52] kobject_add+0x16e/0x240 [ 80.614385][ T52] ? __pfx_kobject_add+0x10/0x10 [ 80.614404][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.614423][ T52] ? kobject_put+0xab/0x5a0 [ 80.614441][ T52] ? device_add+0x24f/0x1aa0 [ 80.614463][ T52] device_add+0x288/0x1aa0 [ 80.614480][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 80.614500][ T52] ? __pfx_device_add+0x10/0x10 [ 80.614518][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.614544][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 80.614569][ T52] le_conn_complete_evt+0x1260/0x2150 [ 80.614596][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.614616][ T52] ? hci_event_packet+0x459/0x11c0 [ 80.614642][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.614664][ T52] ? skb_pull_data+0x166/0x210 [ 80.614685][ T52] hci_le_meta_evt+0x357/0x5e0 [ 80.614706][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.614729][ T52] hci_event_packet+0x685/0x11c0 [ 80.614749][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.614771][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 80.614794][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 80.614816][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.614843][ T52] hci_rx_work+0x2c5/0x16b0 [ 80.614866][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.614888][ T52] process_one_work+0x9cf/0x1b70 [ 80.614913][ T52] ? __pfx_process_one_work+0x10/0x10 [ 80.614935][ T52] ? assign_work+0x1a0/0x250 [ 80.614952][ T52] worker_thread+0x6c8/0xf10 [ 80.614977][ T52] ? __pfx_worker_thread+0x10/0x10 [ 80.614993][ T52] kthread+0x3c5/0x780 [ 80.615008][ T52] ? __pfx_kthread+0x10/0x10 [ 80.615024][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.615041][ T52] ? __pfx_kthread+0x10/0x10 [ 80.615057][ T52] ret_from_fork+0x675/0x7d0 [ 80.615070][ T52] ? __pfx_kthread+0x10/0x10 [ 80.615085][ T52] ret_from_fork_asm+0x1a/0x30 [ 80.615116][ T52] [ 80.615134][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.684893][ T5132] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:0' [ 80.692056][ T52] Bluetooth: hci5: failed to register connection device [ 80.700692][ T5132] CPU: 0 UID: 0 PID: 5132 Comm: kworker/u9:1 Not tainted syzkaller #0 PREEMPT(full) [ 80.700712][ T5132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.700722][ T5132] Workqueue: hci1 hci_rx_work [ 80.700748][ T5132] Call Trace: [ 80.700753][ T5132] [ 80.700759][ T5132] dump_stack_lvl+0x16c/0x1f0 [ 80.700782][ T5132] sysfs_warn_dup+0x7f/0xa0 [ 80.700802][ T5132] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.700820][ T5132] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.700840][ T5132] ? find_held_lock+0x2b/0x80 [ 80.700864][ T5132] ? do_raw_spin_unlock+0x172/0x230 [ 80.700882][ T5132] kobject_add_internal+0x2c4/0x9b0 [ 80.700902][ T5132] kobject_add+0x16e/0x240 [ 80.700916][ T5132] ? __pfx_kobject_add+0x10/0x10 [ 80.700932][ T5132] ? do_raw_spin_unlock+0x172/0x230 [ 80.700948][ T5132] ? kobject_put+0xab/0x5a0 [ 80.700964][ T5132] ? device_add+0x24f/0x1aa0 [ 80.700985][ T5132] device_add+0x288/0x1aa0 [ 80.701002][ T5132] ? __pfx_dev_set_name+0x10/0x10 [ 80.701022][ T5132] ? __pfx_device_add+0x10/0x10 [ 80.701040][ T5132] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.701071][ T5132] hci_conn_add_sysfs+0x17e/0x230 [ 80.701094][ T5132] le_conn_complete_evt+0x1260/0x2150 [ 80.701121][ T5132] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.701141][ T5132] ? hci_event_packet+0x459/0x11c0 [ 80.701167][ T5132] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.701189][ T5132] ? skb_pull_data+0x166/0x210 [ 80.701210][ T5132] hci_le_meta_evt+0x357/0x5e0 [ 80.701231][ T5132] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.701255][ T5132] hci_event_packet+0x685/0x11c0 [ 80.701276][ T5132] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.701298][ T5132] ? __pfx_hci_event_packet+0x10/0x10 [ 80.701321][ T5132] ? kcov_remote_start+0x3c9/0x6d0 [ 80.701340][ T5132] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.701367][ T5132] hci_rx_work+0x2c5/0x16b0 [ 80.701389][ T5132] ? rcu_is_watching+0x12/0xc0 [ 80.701410][ T5132] process_one_work+0x9cf/0x1b70 [ 80.701436][ T5132] ? __pfx_process_one_work+0x10/0x10 [ 80.701458][ T5132] ? assign_work+0x1a0/0x250 [ 80.701475][ T5132] worker_thread+0x6c8/0xf10 [ 80.701501][ T5132] ? __pfx_worker_thread+0x10/0x10 [ 80.701516][ T5132] kthread+0x3c5/0x780 [ 80.701531][ T5132] ? __pfx_kthread+0x10/0x10 [ 80.701547][ T5132] ? rcu_is_watching+0x12/0xc0 [ 80.701565][ T5132] ? __pfx_kthread+0x10/0x10 [ 80.701580][ T5132] ret_from_fork+0x675/0x7d0 [ 80.701593][ T5132] ? __pfx_kthread+0x10/0x10 [ 80.701608][ T5132] ret_from_fork_asm+0x1a/0x30 [ 80.701640][ T5132] [ 80.701778][ T5132] kobject: kobject_add_internal failed for hci1:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.711256][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 80.719114][ T5132] Bluetooth: hci1: failed to register connection device [ 80.722751][ T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 80.722771][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.722780][ T52] Workqueue: hci5 hci_rx_work [ 80.722809][ T52] Call Trace: [ 80.722814][ T52] [ 80.722820][ T52] dump_stack_lvl+0x16c/0x1f0 [ 80.722843][ T52] sysfs_warn_dup+0x7f/0xa0 [ 80.722863][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.722881][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.722899][ T52] ? find_held_lock+0x2b/0x80 [ 80.722922][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.722940][ T52] kobject_add_internal+0x2c4/0x9b0 [ 80.722959][ T52] kobject_add+0x16e/0x240 [ 80.722973][ T52] ? __pfx_kobject_add+0x10/0x10 [ 80.722989][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.723006][ T52] ? kobject_put+0xab/0x5a0 [ 80.723021][ T52] ? device_add+0x24f/0x1aa0 [ 80.723042][ T52] device_add+0x288/0x1aa0 [ 80.723059][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 80.723079][ T52] ? __pfx_device_add+0x10/0x10 [ 80.723097][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.723123][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 80.723147][ T52] le_conn_complete_evt+0x1260/0x2150 [ 80.723173][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.723193][ T52] ? hci_event_packet+0x459/0x11c0 [ 80.723219][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.723241][ T52] ? skb_pull_data+0x166/0x210 [ 80.723261][ T52] hci_le_meta_evt+0x357/0x5e0 [ 80.723282][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.723306][ T52] hci_event_packet+0x685/0x11c0 [ 80.723327][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.723349][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 80.723372][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 80.723390][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.723417][ T52] hci_rx_work+0x2c5/0x16b0 [ 80.723439][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.723461][ T52] process_one_work+0x9cf/0x1b70 [ 80.723487][ T52] ? __pfx_process_one_work+0x10/0x10 [ 80.723509][ T52] ? assign_work+0x1a0/0x250 [ 80.723526][ T52] worker_thread+0x6c8/0xf10 [ 80.723552][ T52] ? __pfx_worker_thread+0x10/0x10 [ 80.723567][ T52] kthread+0x3c5/0x780 [ 80.723582][ T52] ? __pfx_kthread+0x10/0x10 [ 80.723598][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.723616][ T52] ? __pfx_kthread+0x10/0x10 [ 80.723630][ T52] ret_from_fork+0x675/0x7d0 [ 80.723644][ T52] ? __pfx_kthread+0x10/0x10 [ 80.723659][ T52] ret_from_fork_asm+0x1a/0x30 [ 80.723690][ T52] [ 80.723708][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.815514][ T5132] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:0' [ 80.818473][ T52] Bluetooth: hci5: failed to register connection device [ 80.826193][ T5132] CPU: 0 UID: 0 PID: 5132 Comm: kworker/u9:1 Not tainted syzkaller #0 PREEMPT(full) [ 80.826212][ T5132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.826221][ T5132] Workqueue: hci2 hci_rx_work [ 80.826246][ T5132] Call Trace: [ 80.826251][ T5132] [ 80.826257][ T5132] dump_stack_lvl+0x16c/0x1f0 [ 80.826280][ T5132] sysfs_warn_dup+0x7f/0xa0 [ 80.826299][ T5132] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.826317][ T5132] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.826334][ T5132] ? find_held_lock+0x2b/0x80 [ 80.826358][ T5132] ? do_raw_spin_unlock+0x172/0x230 [ 80.826375][ T5132] kobject_add_internal+0x2c4/0x9b0 [ 80.826394][ T5132] kobject_add+0x16e/0x240 [ 80.826408][ T5132] ? __pfx_kobject_add+0x10/0x10 [ 80.826424][ T5132] ? do_raw_spin_unlock+0x172/0x230 [ 80.826441][ T5132] ? kobject_put+0xab/0x5a0 [ 80.826456][ T5132] ? device_add+0x24f/0x1aa0 [ 80.826477][ T5132] device_add+0x288/0x1aa0 [ 80.826494][ T5132] ? __pfx_dev_set_name+0x10/0x10 [ 80.826514][ T5132] ? __pfx_device_add+0x10/0x10 [ 80.826531][ T5132] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.826558][ T5132] hci_conn_add_sysfs+0x17e/0x230 [ 80.826581][ T5132] le_conn_complete_evt+0x1260/0x2150 [ 80.826608][ T5132] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.826628][ T5132] ? hci_event_packet+0x459/0x11c0 [ 80.826654][ T5132] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.826676][ T5132] ? skb_pull_data+0x166/0x210 [ 80.826696][ T5132] hci_le_meta_evt+0x357/0x5e0 [ 80.826717][ T5132] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.826740][ T5132] hci_event_packet+0x685/0x11c0 [ 80.826761][ T5132] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.826783][ T5132] ? __pfx_hci_event_packet+0x10/0x10 [ 80.826806][ T5132] ? kcov_remote_start+0x3c9/0x6d0 [ 80.826823][ T5132] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.826850][ T5132] hci_rx_work+0x2c5/0x16b0 [ 80.826872][ T5132] ? rcu_is_watching+0x12/0xc0 [ 80.826894][ T5132] process_one_work+0x9cf/0x1b70 [ 80.826919][ T5132] ? __pfx_process_one_work+0x10/0x10 [ 80.826941][ T5132] ? assign_work+0x1a0/0x250 [ 80.826957][ T5132] worker_thread+0x6c8/0xf10 [ 80.826984][ T5132] ? __pfx_worker_thread+0x10/0x10 [ 80.826999][ T5132] kthread+0x3c5/0x780 [ 80.827014][ T5132] ? __pfx_kthread+0x10/0x10 [ 80.827030][ T5132] ? rcu_is_watching+0x12/0xc0 [ 80.827047][ T5132] ? __pfx_kthread+0x10/0x10 [ 80.827067][ T5132] ret_from_fork+0x675/0x7d0 [ 80.827080][ T5132] ? __pfx_kthread+0x10/0x10 [ 80.827094][ T5132] ret_from_fork_asm+0x1a/0x30 [ 80.827126][ T5132] [ 80.827144][ T5132] kobject: kobject_add_internal failed for hci2:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.830051][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 80.837551][ T5132] Bluetooth: hci2: failed to register connection device [ 80.840147][ T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 80.840166][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.840176][ T52] Workqueue: hci5 hci_rx_work [ 80.840200][ T52] Call Trace: [ 80.840206][ T52] [ 80.840211][ T52] dump_stack_lvl+0x16c/0x1f0 [ 80.840234][ T52] sysfs_warn_dup+0x7f/0xa0 [ 80.840253][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.840271][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.840288][ T52] ? find_held_lock+0x2b/0x80 [ 80.840311][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.840328][ T52] kobject_add_internal+0x2c4/0x9b0 [ 80.840348][ T52] kobject_add+0x16e/0x240 [ 80.840362][ T52] ? __pfx_kobject_add+0x10/0x10 [ 80.840378][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.840394][ T52] ? kobject_put+0xab/0x5a0 [ 80.840409][ T52] ? device_add+0x24f/0x1aa0 [ 80.840431][ T52] device_add+0x288/0x1aa0 [ 80.840448][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 80.840467][ T52] ? __pfx_device_add+0x10/0x10 [ 80.840485][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.840511][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 80.840535][ T52] le_conn_complete_evt+0x1260/0x2150 [ 80.840561][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.840581][ T52] ? hci_event_packet+0x459/0x11c0 [ 80.840607][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.840629][ T52] ? skb_pull_data+0x166/0x210 [ 80.840649][ T52] hci_le_meta_evt+0x357/0x5e0 [ 80.840671][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.840694][ T52] hci_event_packet+0x685/0x11c0 [ 80.840714][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.840737][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 80.840759][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 80.840777][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.840808][ T52] hci_rx_work+0x2c5/0x16b0 [ 80.840830][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.840857][ T52] process_one_work+0x9cf/0x1b70 [ 80.840882][ T52] ? __pfx_process_one_work+0x10/0x10 [ 80.840905][ T52] ? assign_work+0x1a0/0x250 [ 80.840921][ T52] worker_thread+0x6c8/0xf10 [ 80.840947][ T52] ? __pfx_worker_thread+0x10/0x10 [ 80.840962][ T52] kthread+0x3c5/0x780 [ 80.840977][ T52] ? __pfx_kthread+0x10/0x10 [ 80.840992][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.841010][ T52] ? __pfx_kthread+0x10/0x10 [ 80.841026][ T52] ret_from_fork+0x675/0x7d0 [ 80.841038][ T52] ? __pfx_kthread+0x10/0x10 [ 80.841053][ T52] ret_from_fork_asm+0x1a/0x30 [ 80.841085][ T52] [ 80.841126][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.906003][ T5132] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:0' [ 80.906148][ T52] Bluetooth: hci5: failed to register connection device [ 80.911493][ T5132] CPU: 0 UID: 0 PID: 5132 Comm: kworker/u9:1 Not tainted syzkaller #0 PREEMPT(full) [ 80.911510][ T5132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.911520][ T5132] Workqueue: hci1 hci_rx_work [ 80.911546][ T5132] Call Trace: [ 80.911551][ T5132] [ 80.911557][ T5132] dump_stack_lvl+0x16c/0x1f0 [ 80.911581][ T5132] sysfs_warn_dup+0x7f/0xa0 [ 80.911600][ T5132] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.911619][ T5132] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.911637][ T5132] ? find_held_lock+0x2b/0x80 [ 80.911660][ T5132] ? do_raw_spin_unlock+0x172/0x230 [ 80.911678][ T5132] kobject_add_internal+0x2c4/0x9b0 [ 80.911697][ T5132] kobject_add+0x16e/0x240 [ 80.911712][ T5132] ? __pfx_kobject_add+0x10/0x10 [ 80.911728][ T5132] ? do_raw_spin_unlock+0x172/0x230 [ 80.911745][ T5132] ? kobject_put+0xab/0x5a0 [ 80.911760][ T5132] ? device_add+0x24f/0x1aa0 [ 80.911782][ T5132] device_add+0x288/0x1aa0 [ 80.911798][ T5132] ? __pfx_dev_set_name+0x10/0x10 [ 80.911819][ T5132] ? __pfx_device_add+0x10/0x10 [ 80.911836][ T5132] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.911863][ T5132] hci_conn_add_sysfs+0x17e/0x230 [ 80.911887][ T5132] le_conn_complete_evt+0x1260/0x2150 [ 80.911913][ T5132] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.911934][ T5132] ? hci_event_packet+0x459/0x11c0 [ 80.911960][ T5132] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.911982][ T5132] ? skb_pull_data+0x166/0x210 [ 80.912003][ T5132] hci_le_meta_evt+0x357/0x5e0 [ 80.912024][ T5132] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.912048][ T5132] hci_event_packet+0x685/0x11c0 [ 80.912075][ T5132] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.912098][ T5132] ? __pfx_hci_event_packet+0x10/0x10 [ 80.912121][ T5132] ? kcov_remote_start+0x3c9/0x6d0 [ 80.912139][ T5132] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.912166][ T5132] hci_rx_work+0x2c5/0x16b0 [ 80.912188][ T5132] ? rcu_is_watching+0x12/0xc0 [ 80.912210][ T5132] process_one_work+0x9cf/0x1b70 [ 80.912235][ T5132] ? __pfx_process_one_work+0x10/0x10 [ 80.912257][ T5132] ? assign_work+0x1a0/0x250 [ 80.912274][ T5132] worker_thread+0x6c8/0xf10 [ 80.912300][ T5132] ? __pfx_worker_thread+0x10/0x10 [ 80.912315][ T5132] kthread+0x3c5/0x780 [ 80.912331][ T5132] ? __pfx_kthread+0x10/0x10 [ 80.912347][ T5132] ? rcu_is_watching+0x12/0xc0 [ 80.912365][ T5132] ? __pfx_kthread+0x10/0x10 [ 80.912380][ T5132] ret_from_fork+0x675/0x7d0 [ 80.912394][ T5132] ? __pfx_kthread+0x10/0x10 [ 80.912408][ T5132] ret_from_fork_asm+0x1a/0x30 [ 80.912440][ T5132] [ 80.912457][ T5132] kobject: kobject_add_internal failed for hci1:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.915696][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 80.919920][ T5132] Bluetooth: hci1: failed to register connection device [ 80.924759][ T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 80.924778][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.924788][ T52] Workqueue: hci5 hci_rx_work [ 80.924815][ T52] Call Trace: [ 80.924821][ T52] [ 80.924826][ T52] dump_stack_lvl+0x16c/0x1f0 [ 80.924850][ T52] sysfs_warn_dup+0x7f/0xa0 [ 80.924868][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 80.924887][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 80.924904][ T52] ? find_held_lock+0x2b/0x80 [ 80.924926][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.924945][ T52] kobject_add_internal+0x2c4/0x9b0 [ 80.924964][ T52] kobject_add+0x16e/0x240 [ 80.924978][ T52] ? __pfx_kobject_add+0x10/0x10 [ 80.924994][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 80.925011][ T52] ? kobject_put+0xab/0x5a0 [ 80.925027][ T52] ? device_add+0x24f/0x1aa0 [ 80.925047][ T52] device_add+0x288/0x1aa0 [ 80.925065][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 80.925084][ T52] ? __pfx_device_add+0x10/0x10 [ 80.925102][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 80.925128][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 80.925151][ T52] le_conn_complete_evt+0x1260/0x2150 [ 80.925177][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 80.925198][ T52] ? hci_event_packet+0x459/0x11c0 [ 80.925224][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 80.925246][ T52] ? skb_pull_data+0x166/0x210 [ 80.925266][ T52] hci_le_meta_evt+0x357/0x5e0 [ 80.925287][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 80.925311][ T52] hci_event_packet+0x685/0x11c0 [ 80.925331][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 80.925353][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 80.925376][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 80.925394][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 80.925421][ T52] hci_rx_work+0x2c5/0x16b0 [ 80.925443][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.925464][ T52] process_one_work+0x9cf/0x1b70 [ 80.925489][ T52] ? __pfx_process_one_work+0x10/0x10 [ 80.925511][ T52] ? assign_work+0x1a0/0x250 [ 80.925528][ T52] worker_thread+0x6c8/0xf10 [ 80.925554][ T52] ? __pfx_worker_thread+0x10/0x10 [ 80.925569][ T52] kthread+0x3c5/0x780 [ 80.925584][ T52] ? __pfx_kthread+0x10/0x10 [ 80.925600][ T52] ? rcu_is_watching+0x12/0xc0 [ 80.925618][ T52] ? __pfx_kthread+0x10/0x10 [ 80.925633][ T52] ret_from_fork+0x675/0x7d0 [ 80.925645][ T52] ? __pfx_kthread+0x10/0x10 [ 80.925660][ T52] ret_from_fork_asm+0x1a/0x30 [ 80.925691][ T52] [ 80.925708][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 80.971098][ T5932] veth0_vlan: entered promiscuous mode [ 80.973864][ T52] Bluetooth: hci5: failed to register connection device [ 81.028703][ T5132] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:0' [ 81.033066][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 81.037890][ T5132] CPU: 0 UID: 0 PID: 5132 Comm: kworker/u9:1 Not tainted syzkaller #0 PREEMPT(full) [ 81.037908][ T5132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 81.037918][ T5132] Workqueue: hci2 hci_rx_work [ 81.037943][ T5132] Call Trace: [ 81.037948][ T5132] [ 81.037955][ T5132] dump_stack_lvl+0x16c/0x1f0 [ 81.037979][ T5132] sysfs_warn_dup+0x7f/0xa0 [ 81.037997][ T5132] sysfs_create_dir_ns+0x24b/0x2b0 [ 81.038015][ T5132] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 81.038033][ T5132] ? find_held_lock+0x2b/0x80 [ 81.038060][ T5132] ? do_raw_spin_unlock+0x172/0x230 [ 81.038079][ T5132] kobject_add_internal+0x2c4/0x9b0 [ 81.038098][ T5132] kobject_add+0x16e/0x240 [ 81.038112][ T5132] ? __pfx_kobject_add+0x10/0x10 [ 81.038129][ T5132] ? do_raw_spin_unlock+0x172/0x230 [ 81.038145][ T5132] ? kobject_put+0xab/0x5a0 [ 81.038161][ T5132] ? device_add+0x24f/0x1aa0 [ 81.038182][ T5132] device_add+0x288/0x1aa0 [ 81.038200][ T5132] ? __pfx_dev_set_name+0x10/0x10 [ 81.038219][ T5132] ? __pfx_device_add+0x10/0x10 [ 81.038237][ T5132] ? mgmt_send_event_skb+0x2fb/0x460 [ 81.038264][ T5132] hci_conn_add_sysfs+0x17e/0x230 [ 81.038288][ T5132] le_conn_complete_evt+0x1260/0x2150 [ 81.038314][ T5132] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 81.038334][ T5132] ? hci_event_packet+0x459/0x11c0 [ 81.038360][ T5132] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 81.038382][ T5132] ? skb_pull_data+0x166/0x210 [ 81.038402][ T5132] hci_le_meta_evt+0x357/0x5e0 [ 81.038423][ T5132] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 81.038446][ T5132] hci_event_packet+0x685/0x11c0 [ 81.038465][ T5132] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 81.038487][ T5132] ? __pfx_hci_event_packet+0x10/0x10 [ 81.038510][ T5132] ? kcov_remote_start+0x3c9/0x6d0 [ 81.038528][ T5132] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.038555][ T5132] hci_rx_work+0x2c5/0x16b0 [ 81.038578][ T5132] ? rcu_is_watching+0x12/0xc0 [ 81.038600][ T5132] process_one_work+0x9cf/0x1b70 [ 81.038625][ T5132] ? __pfx_process_one_work+0x10/0x10 [ 81.038647][ T5132] ? assign_work+0x1a0/0x250 [ 81.038664][ T5132] worker_thread+0x6c8/0xf10 [ 81.038690][ T5132] ? __pfx_worker_thread+0x10/0x10 [ 81.038706][ T5132] kthread+0x3c5/0x780 [ 81.038721][ T5132] ? __pfx_kthread+0x10/0x10 [ 81.038737][ T5132] ? rcu_is_watching+0x12/0xc0 [ 81.038755][ T5132] ? __pfx_kthread+0x10/0x10 [ 81.038771][ T5132] ret_from_fork+0x675/0x7d0 [ 81.038784][ T5132] ? __pfx_kthread+0x10/0x10 [ 81.038798][ T5132] ret_from_fork_asm+0x1a/0x30 [ 81.038830][ T5132] [ 81.038848][ T5132] kobject: kobject_add_internal failed for hci2:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.043266][ T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 81.043286][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 81.043297][ T52] Workqueue: hci5 hci_rx_work [ 81.043318][ T52] Call Trace: [ 81.043323][ T52] [ 81.043328][ T52] dump_stack_lvl+0x16c/0x1f0 [ 81.043352][ T52] sysfs_warn_dup+0x7f/0xa0 [ 81.043370][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 81.043388][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 81.043405][ T52] ? find_held_lock+0x2b/0x80 [ 81.043427][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 81.043445][ T52] kobject_add_internal+0x2c4/0x9b0 [ 81.043464][ T52] kobject_add+0x16e/0x240 [ 81.043478][ T52] ? __pfx_kobject_add+0x10/0x10 [ 81.043495][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 81.043511][ T52] ? kobject_put+0xab/0x5a0 [ 81.043527][ T52] ? device_add+0x24f/0x1aa0 [ 81.043546][ T52] device_add+0x288/0x1aa0 [ 81.043563][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 81.043582][ T52] ? __pfx_device_add+0x10/0x10 [ 81.043600][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 81.043626][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 81.043649][ T52] le_conn_complete_evt+0x1260/0x2150 [ 81.043675][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 81.043694][ T52] ? hci_event_packet+0x459/0x11c0 [ 81.043720][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 81.043742][ T52] ? skb_pull_data+0x166/0x210 [ 81.043761][ T52] hci_le_meta_evt+0x357/0x5e0 [ 81.043782][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 81.043810][ T52] hci_event_packet+0x685/0x11c0 [ 81.043831][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 81.043853][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 81.043876][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 81.043893][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.043919][ T52] hci_rx_work+0x2c5/0x16b0 [ 81.043941][ T52] ? rcu_is_watching+0x12/0xc0 [ 81.043962][ T52] process_one_work+0x9cf/0x1b70 [ 81.043987][ T52] ? __pfx_process_one_work+0x10/0x10 [ 81.044009][ T52] ? assign_work+0x1a0/0x250 [ 81.044026][ T52] worker_thread+0x6c8/0xf10 [ 81.044052][ T52] ? __pfx_worker_thread+0x10/0x10 [ 81.044068][ T52] kthread+0x3c5/0x780 [ 81.044082][ T52] ? __pfx_kthread+0x10/0x10 [ 81.044098][ T52] ? rcu_is_watching+0x12/0xc0 [ 81.044116][ T52] ? __pfx_kthread+0x10/0x10 [ 81.044131][ T52] ret_from_fork+0x675/0x7d0 [ 81.044143][ T52] ? __pfx_kthread+0x10/0x10 [ 81.044157][ T52] ret_from_fork_asm+0x1a/0x30 [ 81.044188][ T52] [ 81.044205][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.051871][ T5132] Bluetooth: hci2: failed to register connection device [ 81.053184][ T52] Bluetooth: hci5: failed to register connection device [ 81.078686][ T5132] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:0' [ 81.082337][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 81.087927][ T5132] CPU: 0 UID: 0 PID: 5132 Comm: kworker/u9:1 Not tainted syzkaller #0 PREEMPT(full) [ 81.087946][ T5132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 81.087956][ T5132] Workqueue: hci1 hci_rx_work [ 81.087981][ T5132] Call Trace: [ 81.087986][ T5132] [ 81.087992][ T5132] dump_stack_lvl+0x16c/0x1f0 [ 81.088015][ T5132] sysfs_warn_dup+0x7f/0xa0 [ 81.088035][ T5132] sysfs_create_dir_ns+0x24b/0x2b0 [ 81.088058][ T5132] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 81.088075][ T5132] ? find_held_lock+0x2b/0x80 [ 81.088098][ T5132] ? do_raw_spin_unlock+0x172/0x230 [ 81.088116][ T5132] kobject_add_internal+0x2c4/0x9b0 [ 81.088135][ T5132] kobject_add+0x16e/0x240 [ 81.088150][ T5132] ? __pfx_kobject_add+0x10/0x10 [ 81.088166][ T5132] ? do_raw_spin_unlock+0x172/0x230 [ 81.088183][ T5132] ? kobject_put+0xab/0x5a0 [ 81.088198][ T5132] ? device_add+0x24f/0x1aa0 [ 81.088220][ T5132] device_add+0x288/0x1aa0 [ 81.088237][ T5132] ? __pfx_dev_set_name+0x10/0x10 [ 81.088256][ T5132] ? __pfx_device_add+0x10/0x10 [ 81.088274][ T5132] ? mgmt_send_event_skb+0x2fb/0x460 [ 81.088302][ T5132] hci_conn_add_sysfs+0x17e/0x230 [ 81.088326][ T5132] le_conn_complete_evt+0x1260/0x2150 [ 81.088353][ T5132] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 81.088373][ T5132] ? hci_event_packet+0x459/0x11c0 [ 81.088399][ T5132] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 81.088420][ T5132] ? skb_pull_data+0x166/0x210 [ 81.088441][ T5132] hci_le_meta_evt+0x357/0x5e0 [ 81.088462][ T5132] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 81.088486][ T5132] hci_event_packet+0x685/0x11c0 [ 81.088506][ T5132] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 81.088529][ T5132] ? __pfx_hci_event_packet+0x10/0x10 [ 81.088551][ T5132] ? kcov_remote_start+0x3c9/0x6d0 [ 81.088569][ T5132] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.088596][ T5132] hci_rx_work+0x2c5/0x16b0 [ 81.088618][ T5132] ? rcu_is_watching+0x12/0xc0 [ 81.088640][ T5132] process_one_work+0x9cf/0x1b70 [ 81.088665][ T5132] ? __pfx_process_one_work+0x10/0x10 [ 81.088687][ T5132] ? assign_work+0x1a0/0x250 [ 81.088704][ T5132] worker_thread+0x6c8/0xf10 [ 81.088730][ T5132] ? __pfx_worker_thread+0x10/0x10 [ 81.088745][ T5132] kthread+0x3c5/0x780 [ 81.088761][ T5132] ? __pfx_kthread+0x10/0x10 [ 81.088777][ T5132] ? rcu_is_watching+0x12/0xc0 [ 81.088794][ T5132] ? __pfx_kthread+0x10/0x10 [ 81.088810][ T5132] ret_from_fork+0x675/0x7d0 [ 81.088823][ T5132] ? __pfx_kthread+0x10/0x10 [ 81.088837][ T5132] ret_from_fork_asm+0x1a/0x30 [ 81.088869][ T5132] [ 81.088886][ T5132] kobject: kobject_add_internal failed for hci1:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.091735][ T52] CPU: 1 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 81.091753][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 81.091763][ T52] Workqueue: hci5 hci_rx_work [ 81.091784][ T52] Call Trace: [ 81.091788][ T52] [ 81.091794][ T52] dump_stack_lvl+0x16c/0x1f0 [ 81.091820][ T52] sysfs_warn_dup+0x7f/0xa0 [ 81.091838][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 81.091856][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 81.091874][ T52] ? find_held_lock+0x2b/0x80 [ 81.091895][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 81.091913][ T52] kobject_add_internal+0x2c4/0x9b0 [ 81.091931][ T52] kobject_add+0x16e/0x240 [ 81.091946][ T52] ? __pfx_kobject_add+0x10/0x10 [ 81.091962][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 81.091979][ T52] ? kobject_put+0xab/0x5a0 [ 81.091994][ T52] ? device_add+0x24f/0x1aa0 [ 81.092014][ T52] device_add+0x288/0x1aa0 [ 81.092031][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 81.092050][ T52] ? __pfx_device_add+0x10/0x10 [ 81.092068][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 81.092094][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 81.092117][ T52] le_conn_complete_evt+0x1260/0x2150 [ 81.092143][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 81.092163][ T52] ? hci_event_packet+0x459/0x11c0 [ 81.092189][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 81.092211][ T52] ? skb_pull_data+0x166/0x210 [ 81.092230][ T52] hci_le_meta_evt+0x357/0x5e0 [ 81.092251][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 81.092275][ T52] hci_event_packet+0x685/0x11c0 [ 81.092295][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 81.092318][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 81.092341][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 81.092358][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.092384][ T52] hci_rx_work+0x2c5/0x16b0 [ 81.092407][ T52] ? rcu_is_watching+0x12/0xc0 [ 81.092428][ T52] process_one_work+0x9cf/0x1b70 [ 81.092453][ T52] ? __pfx_process_one_work+0x10/0x10 [ 81.092475][ T52] ? assign_work+0x1a0/0x250 [ 81.092492][ T52] worker_thread+0x6c8/0xf10 [ 81.092518][ T52] ? __pfx_worker_thread+0x10/0x10 [ 81.092534][ T52] kthread+0x3c5/0x780 [ 81.092548][ T52] ? __pfx_kthread+0x10/0x10 [ 81.092564][ T52] ? rcu_is_watching+0x12/0xc0 [ 81.092581][ T52] ? __pfx_kthread+0x10/0x10 [ 81.092597][ T52] ret_from_fork+0x675/0x7d0 [ 81.092609][ T52] ? __pfx_kthread+0x10/0x10 [ 81.092624][ T52] ret_from_fork_asm+0x1a/0x30 [ 81.092655][ T52] [ 81.092672][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.096561][ T5132] Bluetooth: hci1: failed to register connection device [ 81.113108][ T5932] veth1_vlan: entered promiscuous mode [ 81.118089][ T52] Bluetooth: hci5: failed to register connection device [ 81.217326][ T6114] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:0' [ 81.222926][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 81.229236][ T6114] CPU: 1 UID: 0 PID: 6114 Comm: kworker/u9:6 Not tainted syzkaller #0 PREEMPT(full) [ 81.229255][ T6114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 81.229265][ T6114] Workqueue: hci2 hci_rx_work [ 81.229290][ T6114] Call Trace: [ 81.229296][ T6114] [ 81.229301][ T6114] dump_stack_lvl+0x16c/0x1f0 [ 81.229326][ T6114] sysfs_warn_dup+0x7f/0xa0 [ 81.229345][ T6114] sysfs_create_dir_ns+0x24b/0x2b0 [ 81.229363][ T6114] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 81.229380][ T6114] ? find_held_lock+0x2b/0x80 [ 81.229403][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 81.229422][ T6114] kobject_add_internal+0x2c4/0x9b0 [ 81.229441][ T6114] kobject_add+0x16e/0x240 [ 81.229455][ T6114] ? __pfx_kobject_add+0x10/0x10 [ 81.229472][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 81.229489][ T6114] ? kobject_put+0xab/0x5a0 [ 81.229504][ T6114] ? device_add+0x24f/0x1aa0 [ 81.229526][ T6114] device_add+0x288/0x1aa0 [ 81.229544][ T6114] ? __pfx_dev_set_name+0x10/0x10 [ 81.229563][ T6114] ? __pfx_device_add+0x10/0x10 [ 81.229581][ T6114] ? mgmt_send_event_skb+0x2fb/0x460 [ 81.229608][ T6114] hci_conn_add_sysfs+0x17e/0x230 [ 81.229632][ T6114] le_conn_complete_evt+0x1260/0x2150 [ 81.229659][ T6114] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 81.229679][ T6114] ? hci_event_packet+0x459/0x11c0 [ 81.229705][ T6114] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 81.229727][ T6114] ? skb_pull_data+0x166/0x210 [ 81.229748][ T6114] hci_le_meta_evt+0x357/0x5e0 [ 81.229769][ T6114] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 81.229793][ T6114] hci_event_packet+0x685/0x11c0 [ 81.229818][ T6114] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 81.229840][ T6114] ? __pfx_hci_event_packet+0x10/0x10 [ 81.229863][ T6114] ? kcov_remote_start+0x3c9/0x6d0 [ 81.229881][ T6114] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.229907][ T6114] hci_rx_work+0x2c5/0x16b0 [ 81.229930][ T6114] ? rcu_is_watching+0x12/0xc0 [ 81.229952][ T6114] process_one_work+0x9cf/0x1b70 [ 81.229977][ T6114] ? __pfx_process_one_work+0x10/0x10 [ 81.229999][ T6114] ? assign_work+0x1a0/0x250 [ 81.230016][ T6114] worker_thread+0x6c8/0xf10 [ 81.230039][ T6114] ? __kthread_parkme+0x19e/0x250 [ 81.230061][ T6114] ? __pfx_worker_thread+0x10/0x10 [ 81.230076][ T6114] kthread+0x3c5/0x780 [ 81.230091][ T6114] ? __pfx_kthread+0x10/0x10 [ 81.230107][ T6114] ? rcu_is_watching+0x12/0xc0 [ 81.230124][ T6114] ? __pfx_kthread+0x10/0x10 [ 81.230140][ T6114] ret_from_fork+0x675/0x7d0 [ 81.230153][ T6114] ? __pfx_kthread+0x10/0x10 [ 81.230167][ T6114] ret_from_fork_asm+0x1a/0x30 [ 81.230199][ T6114] [ 81.230217][ T6114] kobject: kobject_add_internal failed for hci2:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.231225][ T52] CPU: 0 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 81.231244][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 81.231255][ T52] Workqueue: hci5 hci_rx_work [ 81.231278][ T52] Call Trace: [ 81.231282][ T52] [ 81.231288][ T52] dump_stack_lvl+0x16c/0x1f0 [ 81.231309][ T52] sysfs_warn_dup+0x7f/0xa0 [ 81.231327][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 81.231345][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 81.231363][ T52] ? find_held_lock+0x2b/0x80 [ 81.231384][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 81.231402][ T52] kobject_add_internal+0x2c4/0x9b0 [ 81.231420][ T52] kobject_add+0x16e/0x240 [ 81.231435][ T52] ? __pfx_kobject_add+0x10/0x10 [ 81.231450][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 81.231467][ T52] ? kobject_put+0xab/0x5a0 [ 81.231483][ T52] ? device_add+0x24f/0x1aa0 [ 81.231502][ T52] device_add+0x288/0x1aa0 [ 81.231520][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 81.231539][ T52] ? __pfx_device_add+0x10/0x10 [ 81.231556][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 81.231582][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 81.231605][ T52] le_conn_complete_evt+0x1260/0x2150 [ 81.231631][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 81.231651][ T52] ? hci_event_packet+0x459/0x11c0 [ 81.231677][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 81.231698][ T52] ? skb_pull_data+0x166/0x210 [ 81.231717][ T52] hci_le_meta_evt+0x357/0x5e0 [ 81.231738][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 81.231761][ T52] hci_event_packet+0x685/0x11c0 [ 81.231781][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 81.231804][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 81.231826][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 81.231843][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.231870][ T52] hci_rx_work+0x2c5/0x16b0 [ 81.231891][ T52] ? rcu_is_watching+0x12/0xc0 [ 81.231912][ T52] process_one_work+0x9cf/0x1b70 [ 81.231936][ T52] ? __pfx_process_one_work+0x10/0x10 [ 81.231958][ T52] ? assign_work+0x1a0/0x250 [ 81.231975][ T52] worker_thread+0x6c8/0xf10 [ 81.232000][ T52] ? __pfx_worker_thread+0x10/0x10 [ 81.232016][ T52] kthread+0x3c5/0x780 [ 81.232030][ T52] ? __pfx_kthread+0x10/0x10 [ 81.232050][ T52] ? rcu_is_watching+0x12/0xc0 [ 81.232068][ T52] ? __pfx_kthread+0x10/0x10 [ 81.232083][ T52] ret_from_fork+0x675/0x7d0 [ 81.232095][ T52] ? __pfx_kthread+0x10/0x10 [ 81.232109][ T52] ret_from_fork_asm+0x1a/0x30 [ 81.232140][ T52] [ 81.232157][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.236114][ T6114] Bluetooth: hci2: failed to register connection device [ 81.240395][ T52] Bluetooth: hci5: failed to register connection device [ 81.266718][ T6114] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:0' [ 81.272444][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 81.284207][ T6114] CPU: 1 UID: 0 PID: 6114 Comm: kworker/u9:6 Not tainted syzkaller #0 PREEMPT(full) [ 81.284227][ T6114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 81.284237][ T6114] Workqueue: hci1 hci_rx_work [ 81.284262][ T6114] Call Trace: [ 81.284267][ T6114] [ 81.284273][ T6114] dump_stack_lvl+0x16c/0x1f0 [ 81.284297][ T6114] sysfs_warn_dup+0x7f/0xa0 [ 81.284316][ T6114] sysfs_create_dir_ns+0x24b/0x2b0 [ 81.284333][ T6114] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 81.284350][ T6114] ? find_held_lock+0x2b/0x80 [ 81.284373][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 81.284392][ T6114] kobject_add_internal+0x2c4/0x9b0 [ 81.284411][ T6114] kobject_add+0x16e/0x240 [ 81.284425][ T6114] ? __pfx_kobject_add+0x10/0x10 [ 81.284441][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 81.284458][ T6114] ? kobject_put+0xab/0x5a0 [ 81.284473][ T6114] ? device_add+0x24f/0x1aa0 [ 81.284494][ T6114] device_add+0x288/0x1aa0 [ 81.284511][ T6114] ? __pfx_dev_set_name+0x10/0x10 [ 81.284531][ T6114] ? __pfx_device_add+0x10/0x10 [ 81.284549][ T6114] ? mgmt_send_event_skb+0x2fb/0x460 [ 81.284575][ T6114] hci_conn_add_sysfs+0x17e/0x230 [ 81.284599][ T6114] le_conn_complete_evt+0x1260/0x2150 [ 81.284625][ T6114] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 81.284646][ T6114] ? hci_event_packet+0x459/0x11c0 [ 81.284671][ T6114] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 81.284693][ T6114] ? skb_pull_data+0x166/0x210 [ 81.284713][ T6114] hci_le_meta_evt+0x357/0x5e0 [ 81.284733][ T6114] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 81.284757][ T6114] hci_event_packet+0x685/0x11c0 [ 81.284777][ T6114] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 81.284805][ T6114] ? __pfx_hci_event_packet+0x10/0x10 [ 81.284827][ T6114] ? kcov_remote_start+0x3c9/0x6d0 [ 81.284845][ T6114] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.284872][ T6114] hci_rx_work+0x2c5/0x16b0 [ 81.284894][ T6114] ? rcu_is_watching+0x12/0xc0 [ 81.284916][ T6114] process_one_work+0x9cf/0x1b70 [ 81.284941][ T6114] ? __pfx_process_one_work+0x10/0x10 [ 81.284964][ T6114] ? assign_work+0x1a0/0x250 [ 81.284981][ T6114] worker_thread+0x6c8/0xf10 [ 81.285003][ T6114] ? __kthread_parkme+0x19e/0x250 [ 81.285025][ T6114] ? __pfx_worker_thread+0x10/0x10 [ 81.285040][ T6114] kthread+0x3c5/0x780 [ 81.285055][ T6114] ? __pfx_kthread+0x10/0x10 [ 81.285071][ T6114] ? rcu_is_watching+0x12/0xc0 [ 81.285090][ T6114] ? __pfx_kthread+0x10/0x10 [ 81.285105][ T6114] ret_from_fork+0x675/0x7d0 [ 81.285118][ T6114] ? __pfx_kthread+0x10/0x10 [ 81.285133][ T6114] ret_from_fork_asm+0x1a/0x30 [ 81.285165][ T6114] [ 81.285182][ T6114] kobject: kobject_add_internal failed for hci1:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.286768][ T52] CPU: 0 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 81.286786][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 81.286795][ T52] Workqueue: hci5 hci_rx_work [ 81.286815][ T52] Call Trace: [ 81.286820][ T52] [ 81.286826][ T52] dump_stack_lvl+0x16c/0x1f0 [ 81.286847][ T52] sysfs_warn_dup+0x7f/0xa0 [ 81.286865][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 81.286883][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 81.286900][ T52] ? find_held_lock+0x2b/0x80 [ 81.286921][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 81.286939][ T52] kobject_add_internal+0x2c4/0x9b0 [ 81.286957][ T52] kobject_add+0x16e/0x240 [ 81.286972][ T52] ? __pfx_kobject_add+0x10/0x10 [ 81.286988][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 81.287005][ T52] ? kobject_put+0xab/0x5a0 [ 81.287020][ T52] ? device_add+0x24f/0x1aa0 [ 81.287040][ T52] device_add+0x288/0x1aa0 [ 81.287061][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 81.287080][ T52] ? __pfx_device_add+0x10/0x10 [ 81.287097][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 81.287124][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 81.287146][ T52] le_conn_complete_evt+0x1260/0x2150 [ 81.287172][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 81.287193][ T52] ? hci_event_packet+0x459/0x11c0 [ 81.287219][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 81.287240][ T52] ? skb_pull_data+0x166/0x210 [ 81.287260][ T52] hci_le_meta_evt+0x357/0x5e0 [ 81.287280][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 81.287304][ T52] hci_event_packet+0x685/0x11c0 [ 81.287325][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 81.287347][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 81.287369][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 81.287387][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.287413][ T52] hci_rx_work+0x2c5/0x16b0 [ 81.287435][ T52] ? rcu_is_watching+0x12/0xc0 [ 81.287456][ T52] process_one_work+0x9cf/0x1b70 [ 81.287481][ T52] ? __pfx_process_one_work+0x10/0x10 [ 81.287503][ T52] ? assign_work+0x1a0/0x250 [ 81.287520][ T52] worker_thread+0x6c8/0xf10 [ 81.287546][ T52] ? __pfx_worker_thread+0x10/0x10 [ 81.287561][ T52] kthread+0x3c5/0x780 [ 81.287576][ T52] ? __pfx_kthread+0x10/0x10 [ 81.287592][ T52] ? rcu_is_watching+0x12/0xc0 [ 81.287610][ T52] ? __pfx_kthread+0x10/0x10 [ 81.287625][ T52] ret_from_fork+0x675/0x7d0 [ 81.287637][ T52] ? __pfx_kthread+0x10/0x10 [ 81.287652][ T52] ret_from_fork_asm+0x1a/0x30 [ 81.287683][ T52] [ 81.287700][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.290364][ T6114] Bluetooth: hci1: failed to register connection device [ 81.397080][ T6114] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:0' [ 81.411271][ T52] Bluetooth: hci5: failed to register connection device [ 81.411805][ T6114] CPU: 1 UID: 0 PID: 6114 Comm: kworker/u9:6 Not tainted syzkaller #0 PREEMPT(full) [ 81.411825][ T6114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 81.411835][ T6114] Workqueue: hci2 hci_rx_work [ 81.411859][ T6114] Call Trace: [ 81.411864][ T6114] [ 81.411870][ T6114] dump_stack_lvl+0x16c/0x1f0 [ 81.411893][ T6114] sysfs_warn_dup+0x7f/0xa0 [ 81.411913][ T6114] sysfs_create_dir_ns+0x24b/0x2b0 [ 81.411931][ T6114] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 81.411948][ T6114] ? find_held_lock+0x2b/0x80 [ 81.411971][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 81.411989][ T6114] kobject_add_internal+0x2c4/0x9b0 [ 81.412008][ T6114] kobject_add+0x16e/0x240 [ 81.412022][ T6114] ? __pfx_kobject_add+0x10/0x10 [ 81.412037][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 81.412054][ T6114] ? kobject_put+0xab/0x5a0 [ 81.412070][ T6114] ? device_add+0x24f/0x1aa0 [ 81.412091][ T6114] device_add+0x288/0x1aa0 [ 81.412109][ T6114] ? __pfx_dev_set_name+0x10/0x10 [ 81.412128][ T6114] ? __pfx_device_add+0x10/0x10 [ 81.412146][ T6114] ? mgmt_send_event_skb+0x2fb/0x460 [ 81.412174][ T6114] hci_conn_add_sysfs+0x17e/0x230 [ 81.412197][ T6114] le_conn_complete_evt+0x1260/0x2150 [ 81.412224][ T6114] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 81.412244][ T6114] ? hci_event_packet+0x459/0x11c0 [ 81.412270][ T6114] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 81.412292][ T6114] ? skb_pull_data+0x166/0x210 [ 81.412312][ T6114] hci_le_meta_evt+0x357/0x5e0 [ 81.412333][ T6114] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 81.412357][ T6114] hci_event_packet+0x685/0x11c0 [ 81.412378][ T6114] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 81.412400][ T6114] ? __pfx_hci_event_packet+0x10/0x10 [ 81.412423][ T6114] ? kcov_remote_start+0x3c9/0x6d0 [ 81.412441][ T6114] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.412468][ T6114] hci_rx_work+0x2c5/0x16b0 [ 81.412490][ T6114] ? rcu_is_watching+0x12/0xc0 [ 81.412512][ T6114] process_one_work+0x9cf/0x1b70 [ 81.412537][ T6114] ? __pfx_process_one_work+0x10/0x10 [ 81.412560][ T6114] ? assign_work+0x1a0/0x250 [ 81.412576][ T6114] worker_thread+0x6c8/0xf10 [ 81.412599][ T6114] ? __kthread_parkme+0x19e/0x250 [ 81.412621][ T6114] ? __pfx_worker_thread+0x10/0x10 [ 81.412637][ T6114] kthread+0x3c5/0x780 [ 81.412651][ T6114] ? __pfx_kthread+0x10/0x10 [ 81.412667][ T6114] ? rcu_is_watching+0x12/0xc0 [ 81.412685][ T6114] ? __pfx_kthread+0x10/0x10 [ 81.412701][ T6114] ret_from_fork+0x675/0x7d0 [ 81.412713][ T6114] ? __pfx_kthread+0x10/0x10 [ 81.412728][ T6114] ret_from_fork_asm+0x1a/0x30 [ 81.412760][ T6114] [ 81.412783][ T6114] kobject: kobject_add_internal failed for hci2:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.416660][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 81.431719][ T6114] Bluetooth: hci2: failed to register connection device [ 81.434593][ T52] CPU: 0 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 81.434612][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 81.434622][ T52] Workqueue: hci5 hci_rx_work [ 81.434647][ T52] Call Trace: [ 81.434652][ T52] [ 81.434657][ T52] dump_stack_lvl+0x16c/0x1f0 [ 81.434681][ T52] sysfs_warn_dup+0x7f/0xa0 [ 81.434701][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 81.434719][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 81.434736][ T52] ? find_held_lock+0x2b/0x80 [ 81.434758][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 81.434776][ T52] kobject_add_internal+0x2c4/0x9b0 [ 81.434795][ T52] kobject_add+0x16e/0x240 [ 81.434809][ T52] ? __pfx_kobject_add+0x10/0x10 [ 81.434825][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 81.434842][ T52] ? kobject_put+0xab/0x5a0 [ 81.434857][ T52] ? device_add+0x24f/0x1aa0 [ 81.434878][ T52] device_add+0x288/0x1aa0 [ 81.434896][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 81.434915][ T52] ? __pfx_device_add+0x10/0x10 [ 81.434933][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 81.434960][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 81.434983][ T52] le_conn_complete_evt+0x1260/0x2150 [ 81.435009][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 81.435033][ T52] ? hci_event_packet+0x459/0x11c0 [ 81.435059][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 81.435081][ T52] ? skb_pull_data+0x166/0x210 [ 81.435101][ T52] hci_le_meta_evt+0x357/0x5e0 [ 81.435123][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 81.435147][ T52] hci_event_packet+0x685/0x11c0 [ 81.435167][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 81.435189][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 81.435212][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 81.435230][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.435257][ T52] hci_rx_work+0x2c5/0x16b0 [ 81.435279][ T52] ? rcu_is_watching+0x12/0xc0 [ 81.435301][ T52] process_one_work+0x9cf/0x1b70 [ 81.435327][ T52] ? __pfx_process_one_work+0x10/0x10 [ 81.435349][ T52] ? assign_work+0x1a0/0x250 [ 81.435366][ T52] worker_thread+0x6c8/0xf10 [ 81.435392][ T52] ? __pfx_worker_thread+0x10/0x10 [ 81.435408][ T52] kthread+0x3c5/0x780 [ 81.435423][ T52] ? __pfx_kthread+0x10/0x10 [ 81.435439][ T52] ? rcu_is_watching+0x12/0xc0 [ 81.435457][ T52] ? __pfx_kthread+0x10/0x10 [ 81.435473][ T52] ret_from_fork+0x675/0x7d0 [ 81.435486][ T52] ? __pfx_kthread+0x10/0x10 [ 81.435500][ T52] ret_from_fork_asm+0x1a/0x30 [ 81.435532][ T52] [ 81.435549][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.444766][ T6114] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci1/hci1:0' [ 81.448882][ T52] Bluetooth: hci5: failed to register connection device [ 81.453471][ T6114] CPU: 1 UID: 0 PID: 6114 Comm: kworker/u9:6 Not tainted syzkaller #0 PREEMPT(full) [ 81.453490][ T6114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 81.453499][ T6114] Workqueue: hci1 hci_rx_work [ 81.453524][ T6114] Call Trace: [ 81.453529][ T6114] [ 81.453535][ T6114] dump_stack_lvl+0x16c/0x1f0 [ 81.453558][ T6114] sysfs_warn_dup+0x7f/0xa0 [ 81.453577][ T6114] sysfs_create_dir_ns+0x24b/0x2b0 [ 81.453595][ T6114] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 81.453612][ T6114] ? find_held_lock+0x2b/0x80 [ 81.453635][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 81.453653][ T6114] kobject_add_internal+0x2c4/0x9b0 [ 81.453671][ T6114] kobject_add+0x16e/0x240 [ 81.453686][ T6114] ? __pfx_kobject_add+0x10/0x10 [ 81.453702][ T6114] ? do_raw_spin_unlock+0x172/0x230 [ 81.453718][ T6114] ? kobject_put+0xab/0x5a0 [ 81.453733][ T6114] ? device_add+0x24f/0x1aa0 [ 81.453755][ T6114] device_add+0x288/0x1aa0 [ 81.453772][ T6114] ? __pfx_dev_set_name+0x10/0x10 [ 81.453796][ T6114] ? __pfx_device_add+0x10/0x10 [ 81.453814][ T6114] ? mgmt_send_event_skb+0x2fb/0x460 [ 81.453840][ T6114] hci_conn_add_sysfs+0x17e/0x230 [ 81.453864][ T6114] le_conn_complete_evt+0x1260/0x2150 [ 81.453891][ T6114] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 81.453910][ T6114] ? hci_event_packet+0x459/0x11c0 [ 81.453937][ T6114] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 81.453958][ T6114] ? skb_pull_data+0x166/0x210 [ 81.453979][ T6114] hci_le_meta_evt+0x357/0x5e0 [ 81.454000][ T6114] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 81.454025][ T6114] hci_event_packet+0x685/0x11c0 [ 81.454045][ T6114] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 81.454068][ T6114] ? __pfx_hci_event_packet+0x10/0x10 [ 81.454090][ T6114] ? kcov_remote_start+0x3c9/0x6d0 [ 81.454109][ T6114] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.454136][ T6114] hci_rx_work+0x2c5/0x16b0 [ 81.454158][ T6114] ? rcu_is_watching+0x12/0xc0 [ 81.454180][ T6114] process_one_work+0x9cf/0x1b70 [ 81.454206][ T6114] ? __pfx_process_one_work+0x10/0x10 [ 81.454228][ T6114] ? assign_work+0x1a0/0x250 [ 81.454245][ T6114] worker_thread+0x6c8/0xf10 [ 81.454268][ T6114] ? __kthread_parkme+0x19e/0x250 [ 81.454290][ T6114] ? __pfx_worker_thread+0x10/0x10 [ 81.454305][ T6114] kthread+0x3c5/0x780 [ 81.454320][ T6114] ? __pfx_kthread+0x10/0x10 [ 81.454336][ T6114] ? rcu_is_watching+0x12/0xc0 [ 81.454354][ T6114] ? __pfx_kthread+0x10/0x10 [ 81.454369][ T6114] ret_from_fork+0x675/0x7d0 [ 81.454382][ T6114] ? __pfx_kthread+0x10/0x10 [ 81.454397][ T6114] ret_from_fork_asm+0x1a/0x30 [ 81.454429][ T6114] [ 81.454445][ T6114] kobject: kobject_add_internal failed for hci1:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.458603][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 81.463098][ T6114] Bluetooth: hci1: failed to register connection device [ 81.463173][ T6114] Bluetooth: hci2: command tx timeout [ 81.463240][ T6114] Bluetooth: hci1: command tx timeout [ 81.634838][ T5932] veth0_macvtap: entered promiscuous mode [ 81.640905][ T52] CPU: 0 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 81.640926][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 81.640936][ T52] Workqueue: hci5 hci_rx_work [ 81.640961][ T52] Call Trace: [ 81.640967][ T52] [ 81.640973][ T52] dump_stack_lvl+0x16c/0x1f0 [ 81.640997][ T52] sysfs_warn_dup+0x7f/0xa0 [ 81.641017][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 81.641040][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 81.641057][ T52] ? find_held_lock+0x2b/0x80 [ 81.641080][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 81.641098][ T52] kobject_add_internal+0x2c4/0x9b0 [ 81.641118][ T52] kobject_add+0x16e/0x240 [ 81.641133][ T52] ? __pfx_kobject_add+0x10/0x10 [ 81.641149][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 81.641165][ T52] ? kobject_put+0xab/0x5a0 [ 81.641181][ T52] ? device_add+0x24f/0x1aa0 [ 81.641202][ T52] device_add+0x288/0x1aa0 [ 81.641220][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 81.641240][ T52] ? __pfx_device_add+0x10/0x10 [ 81.641257][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 81.641285][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 81.641309][ T52] le_conn_complete_evt+0x1260/0x2150 [ 81.641335][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 81.641355][ T52] ? hci_event_packet+0x459/0x11c0 [ 81.641381][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 81.641403][ T52] ? skb_pull_data+0x166/0x210 [ 81.641424][ T52] hci_le_meta_evt+0x357/0x5e0 [ 81.641445][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 81.641469][ T52] hci_event_packet+0x685/0x11c0 [ 81.641490][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 81.641512][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 81.641535][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 81.641553][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.641581][ T52] hci_rx_work+0x2c5/0x16b0 [ 81.641603][ T52] ? rcu_is_watching+0x12/0xc0 [ 81.641625][ T52] process_one_work+0x9cf/0x1b70 [ 81.641650][ T52] ? __pfx_process_one_work+0x10/0x10 [ 81.641673][ T52] ? assign_work+0x1a0/0x250 [ 81.641690][ T52] worker_thread+0x6c8/0xf10 [ 81.641716][ T52] ? __pfx_worker_thread+0x10/0x10 [ 81.641731][ T52] kthread+0x3c5/0x780 [ 81.641746][ T52] ? __pfx_kthread+0x10/0x10 [ 81.641762][ T52] ? rcu_is_watching+0x12/0xc0 [ 81.641780][ T52] ? __pfx_kthread+0x10/0x10 [ 81.641795][ T52] ret_from_fork+0x675/0x7d0 [ 81.641808][ T52] ? __pfx_kthread+0x10/0x10 [ 81.641823][ T52] ret_from_fork_asm+0x1a/0x30 [ 81.641856][ T52] [ 81.641876][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.645315][ T5132] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci2/hci2:0' [ 81.647376][ T52] Bluetooth: hci5: failed to register connection device [ 81.653512][ T5132] CPU: 1 UID: 0 PID: 5132 Comm: kworker/u9:1 Not tainted syzkaller #0 PREEMPT(full) [ 81.653532][ T5132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 81.653542][ T5132] Workqueue: hci2 hci_rx_work [ 81.653568][ T5132] Call Trace: [ 81.653574][ T5132] [ 81.653580][ T5132] dump_stack_lvl+0x16c/0x1f0 [ 81.653604][ T5132] sysfs_warn_dup+0x7f/0xa0 [ 81.653623][ T5132] sysfs_create_dir_ns+0x24b/0x2b0 [ 81.653642][ T5132] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 81.653659][ T5132] ? find_held_lock+0x2b/0x80 [ 81.653681][ T5132] ? do_raw_spin_unlock+0x172/0x230 [ 81.653700][ T5132] kobject_add_internal+0x2c4/0x9b0 [ 81.653719][ T5132] kobject_add+0x16e/0x240 [ 81.653733][ T5132] ? __pfx_kobject_add+0x10/0x10 [ 81.653749][ T5132] ? do_raw_spin_unlock+0x172/0x230 [ 81.653765][ T5132] ? kobject_put+0xab/0x5a0 [ 81.653787][ T5132] ? device_add+0x24f/0x1aa0 [ 81.653810][ T5132] device_add+0x288/0x1aa0 [ 81.653827][ T5132] ? __pfx_dev_set_name+0x10/0x10 [ 81.653848][ T5132] ? __pfx_device_add+0x10/0x10 [ 81.653866][ T5132] ? mgmt_send_event_skb+0x2fb/0x460 [ 81.653892][ T5132] hci_conn_add_sysfs+0x17e/0x230 [ 81.653917][ T5132] le_conn_complete_evt+0x1260/0x2150 [ 81.653943][ T5132] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 81.653964][ T5132] ? hci_event_packet+0x459/0x11c0 [ 81.653990][ T5132] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 81.654011][ T5132] ? skb_pull_data+0x166/0x210 [ 81.654031][ T5132] hci_le_meta_evt+0x357/0x5e0 [ 81.654052][ T5132] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 81.654076][ T5132] hci_event_packet+0x685/0x11c0 [ 81.654097][ T5132] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 81.654119][ T5132] ? __pfx_hci_event_packet+0x10/0x10 [ 81.654142][ T5132] ? kcov_remote_start+0x3c9/0x6d0 [ 81.654159][ T5132] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.654187][ T5132] hci_rx_work+0x2c5/0x16b0 [ 81.654209][ T5132] ? rcu_is_watching+0x12/0xc0 [ 81.654231][ T5132] process_one_work+0x9cf/0x1b70 [ 81.654256][ T5132] ? __pfx_process_one_work+0x10/0x10 [ 81.654278][ T5132] ? assign_work+0x1a0/0x250 [ 81.654295][ T5132] worker_thread+0x6c8/0xf10 [ 81.654321][ T5132] ? __pfx_worker_thread+0x10/0x10 [ 81.654337][ T5132] kthread+0x3c5/0x780 [ 81.654352][ T5132] ? __pfx_kthread+0x10/0x10 [ 81.654368][ T5132] ? rcu_is_watching+0x12/0xc0 [ 81.654385][ T5132] ? __pfx_kthread+0x10/0x10 [ 81.654401][ T5132] ret_from_fork+0x675/0x7d0 [ 81.654415][ T5132] ? __pfx_kthread+0x10/0x10 [ 81.654429][ T5132] ret_from_fork_asm+0x1a/0x30 [ 81.654463][ T5132] [ 81.654482][ T5132] kobject: kobject_add_internal failed for hci2:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.658069][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 81.662408][ T5132] Bluetooth: hci2: failed to register connection device [ 81.666461][ T52] CPU: 0 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 81.666479][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 81.666489][ T52] Workqueue: hci5 hci_rx_work [ 81.666512][ T52] Call Trace: [ 81.666517][ T52] [ 81.666523][ T52] dump_stack_lvl+0x16c/0x1f0 [ 81.666546][ T52] sysfs_warn_dup+0x7f/0xa0 [ 81.666565][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 81.666583][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 81.666600][ T52] ? find_held_lock+0x2b/0x80 [ 81.666623][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 81.666641][ T52] kobject_add_internal+0x2c4/0x9b0 [ 81.666659][ T52] kobject_add+0x16e/0x240 [ 81.666674][ T52] ? __pfx_kobject_add+0x10/0x10 [ 81.666690][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 81.666706][ T52] ? kobject_put+0xab/0x5a0 [ 81.666721][ T52] ? device_add+0x24f/0x1aa0 [ 81.666742][ T52] device_add+0x288/0x1aa0 [ 81.666759][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 81.666779][ T52] ? __pfx_device_add+0x10/0x10 [ 81.666797][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 81.666824][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 81.666848][ T52] le_conn_complete_evt+0x1260/0x2150 [ 81.666874][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 81.666894][ T52] ? hci_event_packet+0x459/0x11c0 [ 81.666920][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 81.666941][ T52] ? skb_pull_data+0x166/0x210 [ 81.666961][ T52] hci_le_meta_evt+0x357/0x5e0 [ 81.666982][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 81.667006][ T52] hci_event_packet+0x685/0x11c0 [ 81.667032][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 81.667054][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 81.667077][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 81.667096][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.667122][ T52] hci_rx_work+0x2c5/0x16b0 [ 81.667144][ T52] ? rcu_is_watching+0x12/0xc0 [ 81.667166][ T52] process_one_work+0x9cf/0x1b70 [ 81.667191][ T52] ? __pfx_process_one_work+0x10/0x10 [ 81.667213][ T52] ? assign_work+0x1a0/0x250 [ 81.667230][ T52] worker_thread+0x6c8/0xf10 [ 81.667255][ T52] ? __pfx_worker_thread+0x10/0x10 [ 81.667271][ T52] kthread+0x3c5/0x780 [ 81.667286][ T52] ? __pfx_kthread+0x10/0x10 [ 81.667302][ T52] ? rcu_is_watching+0x12/0xc0 [ 81.667320][ T52] ? __pfx_kthread+0x10/0x10 [ 81.667335][ T52] ret_from_fork+0x675/0x7d0 [ 81.667348][ T52] ? __pfx_kthread+0x10/0x10 [ 81.667362][ T52] ret_from_fork_asm+0x1a/0x30 [ 81.667394][ T52] [ 81.667411][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.672307][ T5132] ------------[ cut here ]------------ [ 81.676304][ T52] Bluetooth: hci5: failed to register connection device [ 81.681849][ T5132] WARNING: CPU: 1 PID: 5132 at net/bluetooth/hci_conn.c:567 hci_conn_timeout+0x11a/0x210 [ 81.686990][ T52] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 81.692198][ T5132] Modules linked in: [ 81.697700][ T52] CPU: 0 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full) [ 81.697720][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 81.697730][ T52] Workqueue: hci5 hci_rx_work [ 81.697752][ T52] Call Trace: [ 81.697758][ T52] [ 81.697764][ T52] dump_stack_lvl+0x16c/0x1f0 [ 81.697788][ T52] sysfs_warn_dup+0x7f/0xa0 [ 81.697807][ T52] sysfs_create_dir_ns+0x24b/0x2b0 [ 81.697825][ T52] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 81.697843][ T52] ? find_held_lock+0x2b/0x80 [ 81.697866][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 81.697884][ T52] kobject_add_internal+0x2c4/0x9b0 [ 81.697904][ T52] kobject_add+0x16e/0x240 [ 81.697919][ T52] ? __pfx_kobject_add+0x10/0x10 [ 81.697935][ T52] ? do_raw_spin_unlock+0x172/0x230 [ 81.697952][ T52] ? kobject_put+0xab/0x5a0 [ 81.697968][ T52] ? device_add+0x24f/0x1aa0 [ 81.697989][ T52] device_add+0x288/0x1aa0 [ 81.698006][ T52] ? __pfx_dev_set_name+0x10/0x10 [ 81.698030][ T52] ? __pfx_device_add+0x10/0x10 [ 81.698048][ T52] ? mgmt_send_event_skb+0x2fb/0x460 [ 81.698074][ T52] hci_conn_add_sysfs+0x17e/0x230 [ 81.698098][ T52] le_conn_complete_evt+0x1260/0x2150 [ 81.698124][ T52] ? __pfx_le_conn_complete_evt+0x10/0x10 [ 81.698144][ T52] ? hci_event_packet+0x459/0x11c0 [ 81.698170][ T52] hci_le_enh_conn_complete_evt+0x23d/0x380 [ 81.698192][ T52] ? skb_pull_data+0x166/0x210 [ 81.698213][ T52] hci_le_meta_evt+0x357/0x5e0 [ 81.698234][ T52] ? __pfx_hci_le_enh_conn_complete_evt+0x10/0x10 [ 81.698257][ T52] hci_event_packet+0x685/0x11c0 [ 81.698278][ T52] ? __pfx_hci_le_meta_evt+0x10/0x10 [ 81.698300][ T52] ? __pfx_hci_event_packet+0x10/0x10 [ 81.698322][ T52] ? kcov_remote_start+0x3c9/0x6d0 [ 81.698340][ T52] ? lockdep_hardirqs_on+0x7c/0x110 [ 81.698367][ T52] hci_rx_work+0x2c5/0x16b0 [ 81.698389][ T52] ? rcu_is_watching+0x12/0xc0 [ 81.698411][ T52] process_one_work+0x9cf/0x1b70 [ 81.698436][ T52] ? __pfx_process_one_work+0x10/0x10 [ 81.698458][ T52] ? assign_work+0x1a0/0x250 [ 81.698475][ T52] worker_thread+0x6c8/0xf10 [ 81.698501][ T52] ? __pfx_worker_thread+0x10/0x10 [ 81.698517][ T52] kthread+0x3c5/0x780 [ 81.698532][ T52] ? __pfx_kthread+0x10/0x10 [ 81.698547][ T52] ? rcu_is_watching+0x12/0xc0 [ 81.698565][ T52] ? __pfx_kthread+0x10/0x10 [ 81.698580][ T52] ret_from_fork+0x675/0x7d0 [ 81.698594][ T52] ? __pfx_kthread+0x10/0x10 [ 81.698608][ T52] ret_from_fork_asm+0x1a/0x30 [ 81.698640][ T52] [ 81.698657][ T52] kobject: kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 81.703200][ T5132] [ 81.703225][ T5132] CPU: 1 UID: 0 PID: 5132 Comm: kworker/u9:1 Not tainted syzkaller #0 PREEMPT(full) [ 81.703245][ T5132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 81.703256][ T5132] Workqueue: hci2 hci_conn_timeout [ 81.703276][ T5132] RIP: 0010:hci_conn_timeout+0x11a/0x210 [ 81.703295][ T5132] Code: 00 e8 7a e6 63 f7 4c 89 f1 4c 89 e2 48 c7 c6 40 58 d7 8c 48 c7 c7 b0 a3 7d 90 e8 81 1d 7e fa e9 4d ff ff ff e8 57 e6 63 f7 90 <0f> 0b 90 e8 4e e6 63 f7 48 8d bb f5 f6 ff ff 48 b8 00 00 00 00 00 [ 81.703313][ T5132] RSP: 0018:ffffc900101dfc20 EFLAGS: 00010293 [ 81.703328][ T5132] RAX: 0000000000000000 RBX: ffff888075628948 RCX: ffffffff8a59269f [ 81.703340][ T5132] RDX: ffff888036000000 RSI: ffffffff8a592749 RDI: 0000000000000005 [ 81.703352][ T5132] RBP: 00000000ffffffff R08: 0000000000000005 R09: 0000000000000000 [ 81.703364][ T5132] R10: 00000000ffffffff R11: 0000000000000001 R12: ffff888075628000 [ 81.703376][ T5132] R13: 0000000000000000 R14: ffffffff90823454 R15: ffffc900101dfd00 [ 81.703387][ T5132] FS: 0000000000000000(0000) GS:ffff888124b08000(0000) knlGS:0000000000000000 [ 81.703404][ T5132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.703417][ T5132] CR2: 000000c00710a000 CR3: 0000000071074000 CR4: 00000000003526f0 [ 81.703428][ T5132] Call Trace: [ 81.703434][ T5132] [ 81.703445][ T5132] process_one_work+0x9cf/0x1b70 [ 81.703473][ T5132] ? __pfx_hci_cmd_work+0x10/0x10 [ 81.703500][ T5132] ? __pfx_process_one_work+0x10/0x10 [ 81.703527][ T5132] ? assign_work+0x1a0/0x250 [ 81.703548][ T5132] worker_thread+0x6c8/0xf10 [ 81.703578][ T5132] ? __pfx_worker_thread+0x10/0x10 [ 81.703598][ T5132] kthread+0x3c5/0x780 [ 81.703616][ T5132] ? __pfx_kthread+0x10/0x10 [ 81.703636][ T5132] ? rcu_is_watching+0x12/0xc0 [ 81.703659][ T5132] ? __pfx_kthread+0x10/0x10 [ 81.703678][ T5132] ret_from_fork+0x675/0x7d0 [ 81.703693][ T5132] ? __pfx_kthread+0x10/0x10 [ 81.703711][ T5132] ret_from_fork_asm+0x1a/0x30 [ 81.703747][ T5132] [ 81.703757][ T5132] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 81.703767][ T5132] CPU: 1 UID: 0 PID: 5132 Comm: kworker/u9:1 Not tainted syzkaller #0 PREEMPT(full) [ 81.703792][ T5132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 81.703803][ T5132] Workqueue: hci2 hci_conn_timeout [ 81.703820][ T5132] Call Trace: [ 81.703826][ T5132] [ 81.703833][ T5132] dump_stack_lvl+0x3d/0x1f0 [ 81.703859][ T5132] vpanic+0x640/0x6f0 [ 81.703886][ T5132] ? hci_conn_timeout+0x11a/0x210 [ 81.703902][ T5132] panic+0xca/0xd0 [ 81.703928][ T5132] ? __pfx_panic+0x10/0x10 [ 81.703961][ T5132] ? check_panic_on_warn+0x1f/0xb0 [ 81.703989][ T5132] check_panic_on_warn+0xab/0xb0 [ 81.704016][ T5132] __warn+0xf6/0x3c0 [ 81.704030][ T5132] ? hci_conn_timeout+0x11a/0x210 [ 81.704049][ T5132] report_bug+0x3c3/0x580 [ 81.704073][ T5132] ? hci_conn_timeout+0x11a/0x210 [ 81.704092][ T5132] handle_bug+0x184/0x210 [ 81.704111][ T5132] exc_invalid_op+0x17/0x50 [ 81.704129][ T5132] asm_exc_invalid_op+0x1a/0x20 [ 81.704146][ T5132] RIP: 0010:hci_conn_timeout+0x11a/0x210 [ 81.704164][ T5132] Code: 00 e8 7a e6 63 f7 4c 89 f1 4c 89 e2 48 c7 c6 40 58 d7 8c 48 c7 c7 b0 a3 7d 90 e8 81 1d 7e fa e9 4d ff ff ff e8 57 e6 63 f7 90 <0f> 0b 90 e8 4e e6 63 f7 48 8d bb f5 f6 ff ff 48 b8 00 00 00 00 00 [ 81.704181][ T5132] RSP: 0018:ffffc900101dfc20 EFLAGS: 00010293 [ 81.704195][ T5132] RAX: 0000000000000000 RBX: ffff888075628948 RCX: ffffffff8a59269f [ 81.704205][ T5132] RDX: ffff888036000000 RSI: ffffffff8a592749 RDI: 0000000000000005 [ 81.704216][ T5132] RBP: 00000000ffffffff R08: 0000000000000005 R09: 0000000000000000 [ 81.704225][ T5132] R10: 00000000ffffffff R11: 0000000000000001 R12: ffff888075628000 [ 81.704235][ T5132] R13: 0000000000000000 R14: ffffffff90823454 R15: ffffc900101dfd00 [ 81.704252][ T5132] ? hci_conn_timeout+0x6f/0x210 [ 81.704267][ T5132] ? hci_conn_timeout+0x119/0x210 [ 81.704288][ T5132] process_one_work+0x9cf/0x1b70 [ 81.704311][ T5132] ? __pfx_hci_cmd_work+0x10/0x10 [ 81.704334][ T5132] ? __pfx_process_one_work+0x10/0x10 [ 81.704357][ T5132] ? assign_work+0x1a0/0x250 [ 81.704375][ T5132] worker_thread+0x6c8/0xf10 [ 81.704403][ T5132] ? __pfx_worker_thread+0x10/0x10 [ 81.704419][ T5132] kthread+0x3c5/0x780 [ 81.704434][ T5132] ? __pfx_kthread+0x10/0x10 [ 81.704450][ T5132] ? rcu_is_watching+0x12/0xc0 [ 81.704468][ T5132] ? __pfx_kthread+0x10/0x10 [ 81.704484][ T5132] ret_from_fork+0x675/0x7d0 [ 81.704496][ T5132] ? __pfx_kthread+0x10/0x10 [ 81.704511][ T5132] ret_from_fork_asm+0x1a/0x30 [ 81.704542][ T5132] [ 81.710253][ T5132] Kernel Offset: disabled