------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Not tainted 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: ffff80009a446e60 x17: 00000000000178a6 x16: ffff800080333944 x15: 0000000000000001 x14: 1fffe000367bfd90 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008afffb40 x0 : ffff800124fe7000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 2588 hardirqs last enabled at (2587): [] raw_spin_rq_unlock_irq+0x14/0x24 kernel/sched/sched.h:1399 hardirqs last disabled at (2588): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (1920): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (1920): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (1765): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008adc5300 x15: ffff700011de4644 x14: 1ffff00011de4644 x13: 0000000000000004 x12: ffffffffffffffff x11: 0000000000000002 x10: 0000000000ff0100 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009a446d78 x4 : ffff80008ef95100 x3 : ffff80008036f2d4 x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 2822 hardirqs last enabled at (2821): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (2821): [] __console_unlock kernel/printk/printk.c:2731 [inline] hardirqs last enabled at (2821): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050 hardirqs last disabled at (2822): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (2648): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (2648): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (2591): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 1fffe000367bd196 x17: ffff80008eead000 x16: ffff800080333944 x15: 0000000000000001 x14: 1fffe000367bfd90 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : ffff8000802aa2c0 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008afffb40 x0 : ffff800124fe7000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 4152 hardirqs last enabled at (4151): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1399 [inline] hardirqs last enabled at (4151): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5163 hardirqs last disabled at (4152): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (4104): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (4104): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (4097): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 1fffe000367bd196 x17: ffff80008eead000 x16: ffff800080333944 x15: 0000000000000001 x14: 1fffe000367bfd90 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : ffff8000802aa2c0 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008afffb40 x0 : ffff800124fe7000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 5082 hardirqs last enabled at (5081): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1399 [inline] hardirqs last enabled at (5081): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5163 hardirqs last disabled at (5082): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (5064): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (5064): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (5053): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 0000000000000008 x17: 0000000000000000 x16: ffff800080333944 x15: 0000000000000001 x14: 1fffe000367bfd90 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : ffff800080289c24 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008afffb40 x0 : ffff800124fe7000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 5866 hardirqs last enabled at (5865): [] raw_spin_rq_unlock_irq+0x14/0x24 kernel/sched/sched.h:1399 hardirqs last disabled at (5866): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (5848): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (5848): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (5757): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 0000000000000008 x17: 0000000000000000 x16: ffff800080333944 x15: 0000000000000001 x14: 1fffe000367bfd90 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : ffff800080289c24 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008afffb40 x0 : ffff800124fe7000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 6682 hardirqs last enabled at (6681): [] raw_spin_rq_unlock_irq+0x14/0x24 kernel/sched/sched.h:1399 hardirqs last disabled at (6682): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (6674): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (6674): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (6655): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008ae89e3c x15: 0000000000000001 x14: 1ffff00013488e10 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009a446d78 x4 : ffff80008ef95100 x3 : ffff800082f22378 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 7576 hardirqs last enabled at (7575): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (7575): [] __console_unlock kernel/printk/printk.c:2731 [inline] hardirqs last enabled at (7575): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050 hardirqs last disabled at (7576): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (7532): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (7532): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (7513): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008ae89e3c x15: 0000000000000001 x14: 1fffe000367bd202 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009a446d78 x4 : ffff80008ef95100 x3 : ffff8000805e61b0 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 8594 hardirqs last enabled at (8593): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (8593): [] __console_unlock kernel/printk/printk.c:2731 [inline] hardirqs last enabled at (8593): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050 hardirqs last disabled at (8594): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (8550): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (8550): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (8539): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008adc5300 x15: ffff700011de4644 x14: 1ffff00011de4644 x13: 0000000000000004 x12: ffffffffffffffff x11: 0000000000000002 x10: 0000000000ff0100 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009a446d78 x4 : ffff80008ef95100 x3 : ffff80008036f2d4 x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 10444 hardirqs last enabled at (10443): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (10443): [] __console_unlock kernel/printk/printk.c:2731 [inline] hardirqs last enabled at (10443): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050 hardirqs last disabled at (10444): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (10414): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (10414): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (10397): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008ae89e3c x15: 0000000000000001 x14: 1fffe000367bd202 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009a446d78 x4 : ffff80008ef95100 x3 : ffff8000805e61b0 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 12468 hardirqs last enabled at (12467): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (12467): [] __console_unlock kernel/printk/printk.c:2731 [inline] hardirqs last enabled at (12467): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050 hardirqs last disabled at (12468): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (12424): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (12424): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (12397): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008adc5300 x15: ffff700011de4644 x14: 1ffff00011de4644 x13: 0000000000000004 x12: ffffffffffffffff x11: 0000000000000002 x10: 0000000000ff0100 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009a446d78 x4 : ffff80008ef95100 x3 : ffff80008036f2d4 x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 14578 hardirqs last enabled at (14577): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (14577): [] __console_unlock kernel/printk/printk.c:2731 [inline] hardirqs last enabled at (14577): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050 hardirqs last disabled at (14578): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (14548): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (14548): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (14507): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008ae89e3c x15: 0000000000000001 x14: 1fffe000367bd202 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009a446d78 x4 : ffff80008ef95100 x3 : ffff8000805e61b0 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 16180 hardirqs last enabled at (16179): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (16179): [] __console_unlock kernel/printk/printk.c:2731 [inline] hardirqs last enabled at (16179): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050 hardirqs last disabled at (16180): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (16124): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (16124): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (16089): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008ae89e3c x15: 0000000000000001 x14: 1ffff00013488e10 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009a446d78 x4 : ffff80008ef95100 x3 : ffff800082f22378 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 18230 hardirqs last enabled at (18229): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (18229): [] __console_unlock kernel/printk/printk.c:2731 [inline] hardirqs last enabled at (18229): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050 hardirqs last disabled at (18230): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (18200): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (18200): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (18135): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008ae89e3c x15: 0000000000000001 x14: 1ffff00013488e10 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009a446d78 x4 : ffff80008ef95100 x3 : ffff800082f22378 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 20862 hardirqs last enabled at (20861): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (20861): [] __console_unlock kernel/printk/printk.c:2731 [inline] hardirqs last enabled at (20861): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050 hardirqs last disabled at (20862): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (20818): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (20818): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (20773): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 1fffe000367bd196 x17: ffff80008eead000 x16: ffff800080333944 x15: 0000000000000001 x14: 1fffe000367bfd90 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : ffff8000802aa2c0 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008afffb40 x0 : ffff800124fe7000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 23006 hardirqs last enabled at (23005): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1399 [inline] hardirqs last enabled at (23005): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5163 hardirqs last disabled at (23006): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (22998): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (22998): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (22967): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 0000000000000008 x17: 0000000000000000 x16: ffff800080333944 x15: 0000000000000001 x14: 1fffe000367bfd90 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : ffff800080289c24 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008afffb40 x0 : ffff800124fe7000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 25300 hardirqs last enabled at (25299): [] raw_spin_rq_unlock_irq+0x14/0x24 kernel/sched/sched.h:1399 hardirqs last disabled at (25300): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (25292): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (25292): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (25261): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 0000000000000008 x17: 0000000000000000 x16: ffff800080333944 x15: 0000000000000001 x14: 1fffe000367bfd90 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : ffff800080289c24 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008afffb40 x0 : ffff800124fe7000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 27656 hardirqs last enabled at (27655): [] raw_spin_rq_unlock_irq+0x14/0x24 kernel/sched/sched.h:1399 hardirqs last disabled at (27656): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (27638): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (27638): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (27627): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008adc5300 x15: ffff700011de4644 x14: 1ffff00011de4644 x13: 0000000000000004 x12: ffffffffffffffff x11: 0000000000000002 x10: 0000000000ff0100 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009a446d78 x4 : ffff80008ef95100 x3 : ffff80008036f2d4 x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 30942 hardirqs last enabled at (30941): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (30941): [] __console_unlock kernel/printk/printk.c:2731 [inline] hardirqs last enabled at (30941): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050 hardirqs last disabled at (30942): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (30900): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (30900): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (30873): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008ae89e3c x15: 0000000000000001 x14: 1ffff00013488e10 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009a446d78 x4 : ffff80008ef95100 x3 : ffff800082f22378 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 33592 hardirqs last enabled at (33591): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (33591): [] __console_unlock kernel/printk/printk.c:2731 [inline] hardirqs last enabled at (33591): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050 hardirqs last disabled at (33592): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (33550): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (33550): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (33501): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008ae89e3c x15: 0000000000000001 x14: 1fffe000367bd202 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009a446d78 x4 : ffff80008ef95100 x3 : ffff8000805e61b0 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 36210 hardirqs last enabled at (36209): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (36209): [] __console_unlock kernel/printk/printk.c:2731 [inline] hardirqs last enabled at (36209): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050 hardirqs last disabled at (36210): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (36166): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (36166): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (36139): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 1 PID: 5817 at lib/idr.c:525 ida_free+0x2b8/0x378 lib/idr.c:525 Modules linked in: CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ida_free+0x2b8/0x378 lib/idr.c:525 lr : ida_free+0x2b8/0x378 lib/idr.c:525 sp : ffff80009a447600 x29: ffff80009a4476a0 x28: ffff800091d61700 x27: 1ffff00013488ec4 x26: dfff800000000000 x25: ffff700013488ec0 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000002000 x19: ffff80009a447620 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008adc5300 x15: ffff700011de4644 x14: 1ffff00011de4644 x13: 0000000000000004 x12: ffffffffffffffff x11: 0000000000000002 x10: 0000000000ff0100 x9 : 404a859de20d6c00 x8 : 404a859de20d6c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009a446d78 x4 : ffff80008ef95100 x3 : ffff80008036f2d4 x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ida_free+0x2b8/0x378 lib/idr.c:525 hci_conn_set_handle+0x148/0x230 net/bluetooth/hci_conn.c:1257 hci_le_create_big_complete_evt+0x2c8/0x99c net/bluetooth/hci_event.c:6952 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 39082 hardirqs last enabled at (39081): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (39081): [] __console_unlock kernel/printk/printk.c:2731 [inline] hardirqs last enabled at (39081): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050 hardirqs last disabled at (39082): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (39076): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (39076): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (39067): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 sysfs_warn_dup fs/sysfs/dir.c:30 [inline] sysfs_create_dir_ns+0x278/0x318 fs/sysfs/dir.c:63 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x598/0xb04 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x14c/0x224 lib/kobject.c:426 device_add+0x3a0/0xaac drivers/base/core.c:3658 hci_conn_add_sysfs+0xc4/0x1cc net/bluetooth/hci_sysfs.c:58 hci_le_create_big_complete_evt+0x610/0x99c net/bluetooth/hci_event.c:6961 hci_le_meta_evt+0x2b8/0x47c net/bluetooth/hci_event.c:7231 hci_event_func net/bluetooth/hci_event.c:7542 [inline] hci_event_packet+0x6f4/0x1098 net/bluetooth/hci_event.c:7597 hci_rx_work+0x318/0xa78 net/bluetooth/hci_core.c:4171 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 kobject: kobject_add_internal failed for hci0:0 with -EEXIST, don't try to register things with the same name in the same directory. Bluetooth: hci0: failed to register connection device sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:0' CPU: 1 PID: 5817 Comm: kworker/u9:1 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114