Warning: Permanently added '10.128.0.238' (ECDSA) to the list of known hosts. syzkaller login: [ 26.740319][ T3045] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 26.742541][ T3045] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 26.744546][ T3045] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 26.746849][ T3045] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 26.748830][ T3045] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 26.750575][ T3045] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 26.770292][ T3045] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 26.772611][ T3045] CPU: 1 PID: 3045 Comm: kworker/u5:2 Not tainted 6.0.0-rc2-syzkaller-16455-ga41a877bc12d #0 [ 26.774818][ T3045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 26.777217][ T3045] Workqueue: hci0 hci_rx_work [ 26.778301][ T3045] Call trace: [ 26.779062][ T3045] dump_backtrace+0x1b0/0x1dc [ 26.780145][ T3045] show_stack+0x2c/0x64 [ 26.781098][ T3045] dump_stack_lvl+0x104/0x16c [ 26.782177][ T3045] dump_stack+0x1c/0x58 [ 26.783159][ T3045] sysfs_create_dir_ns+0x148/0x168 [ 26.784303][ T3045] kobject_add_internal+0x244/0x510 [ 26.785603][ T3045] kobject_add+0xb8/0x130 [ 26.786619][ T3045] device_add+0x248/0x958 [ 26.787652][ T3045] hci_conn_add_sysfs+0x4c/0xf4 [ 26.788758][ T3045] hci_le_cis_estabilished_evt+0x180/0x21c [ 26.790122][ T3045] hci_le_meta_evt+0x1e4/0x230 [ 26.791200][ T3045] hci_event_packet+0x4e0/0x60c [ 26.792312][ T3045] hci_rx_work+0x1a4/0x2f4 [ 26.793303][ T3045] process_one_work+0x2d8/0x504 [ 26.794484][ T3045] worker_thread+0x340/0x610 [ 26.795595][ T3045] kthread+0x12c/0x158 [ 26.796454][ T3045] ret_from_fork+0x10/0x20 [ 26.797608][ T3045] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 26.800640][ T3045] Bluetooth: hci0: failed to register connection device [ 26.875298][ T3043] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000058 [ 26.877576][ T3043] Mem abort info: [ 26.878368][ T3043] ESR = 0x0000000096000004 [ 26.879346][ T3043] EC = 0x25: DABT (current EL), IL = 32 bits [ 26.880738][ T3043] SET = 0, FnV = 0 [ 26.881578][ T3043] EA = 0, S1PTW = 0 [ 26.882445][ T3043] FSC = 0x04: level 0 translation fault [ 26.883689][ T3043] Data abort info: [ 26.884496][ T3043] ISV = 0, ISS = 0x00000004 [ 26.885784][ T3043] CM = 0, WnR = 0 [ 26.886679][ T3043] user pgtable: 4k pages, 48-bit VAs, pgdp=00000001047c4000 [ 26.888255][ T3043] [0000000000000058] pgd=0000000000000000, p4d=0000000000000000 [ 26.889965][ T3043] Internal error: Oops: 96000004 [#1] PREEMPT SMP [ 26.891370][ T3043] Modules linked in: [ 26.892184][ T3043] CPU: 0 PID: 3043 Comm: syz-executor271 Not tainted 6.0.0-rc2-syzkaller-16455-ga41a877bc12d #0 [ 26.894472][ T3043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 26.896719][ T3043] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 26.898505][ T3043] pc : klist_next+0x28/0x17c [ 26.899549][ T3043] lr : klist_next+0x24/0x17c [ 26.900591][ T3043] sp : ffff800012a9ba20 [ 26.901551][ T3043] x29: ffff800012a9ba20 x28: 00000000000e0003 x27: 0000000000002000 [ 26.903370][ T3043] x26: 0000000000000000 x25: 0000000000000000 x24: ffff0000c8b0e000 [ 26.905202][ T3043] x23: ffff80000d8a1da0 x22: ffff0000cb350000 x21: ffff0000c8b09538 [ 26.907003][ T3043] x20: 0000000000000000 x19: ffff800012a9ba78 x18: 00000000000000c0 [ 26.908836][ T3043] x17: ffff80000dd7a698 x16: 0000000000000000 x15: 0000000000000000 [ 26.910640][ T3043] x14: 0000000000000000 x13: 0000000000000002 x12: ffff80000d8a2400 [ 26.912467][ T3043] x11: ff808000096ca09c x10: 0000000000000000 x9 : ffff8000096ca09c [ 26.914267][ T3043] x8 : ffff0000c6879a80 x7 : ffff8000095ef374 x6 : 0000000000000000 [ 26.916061][ T3043] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 26.917951][ T3043] x2 : ffff80000b9b17d4 x1 : ffff800012a9ba78 x0 : 0000000000000000 [ 26.919793][ T3043] Call trace: [ 26.920542][ T3043] klist_next+0x28/0x17c [ 26.921507][ T3043] device_find_child+0x50/0x114 [ 26.922611][ T3043] hci_conn_del_sysfs+0x54/0xfc [ 26.923723][ T3043] hci_conn_cleanup+0x2d4/0x36c [ 26.924853][ T3043] hci_conn_del+0x144/0x294 [ 26.925896][ T3043] hci_conn_hash_flush+0xe8/0x148 [ 26.927060][ T3043] hci_dev_close_sync+0x478/0x8e0 [ 26.928217][ T3043] hci_unregister_dev+0xe4/0x270 [ 26.929338][ T3043] vhci_release+0x44/0x80 [ 26.930335][ T3043] __fput+0x198/0x3bc [ 26.931250][ T3043] ____fput+0x20/0x30 [ 26.932152][ T3043] task_work_run+0xc4/0x208 [ 26.933206][ T3043] do_exit+0x26c/0xbb8 [ 26.934125][ T3043] do_group_exit+0x60/0xe8 [ 26.935153][ T3043] __wake_up_parent+0x0/0x40 [ 26.936213][ T3043] el0_svc_common+0x138/0x220 [ 26.937228][ T3043] do_el0_svc+0x48/0x154 [ 26.938209][ T3043] el0_svc+0x58/0x150 [ 26.939149][ T3043] el0t_64_sync_handler+0x84/0xf0 [ 26.940320][ T3043] el0t_64_sync+0x18c/0x190 [ 26.941325][ T3043] Code: 910003fd aa0003f3 97af660c a9405260 (f9402c18) [ 26.942917][ T3043] ---[ end trace 0000000000000000 ]--- [ 27.077314][ T3043] Kernel panic - not syncing: Oops: Fatal exception [ 27.078982][ T3043] SMP: stopping secondary CPUs [ 27.080273][ T3043] Kernel Offset: disabled [ 27.081261][ T3043] CPU features: 0x0000,0081c021,09805c80 [ 27.082576][ T3043] Memory Limit: none [ 27.212788][ T3043] Rebooting in 86400 seconds..