Warning: Permanently added '10.128.1.44' (ECDSA) to the list of known hosts. syzkaller login: [ 30.501563][ T3032] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 30.503892][ T3032] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 30.505757][ T3032] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 30.508048][ T3032] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 30.510214][ T3032] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 30.512006][ T3032] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 30.531195][ T3032] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 30.533772][ T3032] CPU: 0 PID: 3032 Comm: kworker/u5:2 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 30.536326][ T3032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 30.538845][ T3032] Workqueue: hci0 hci_rx_work [ 30.540033][ T3032] Call trace: [ 30.540838][ T3032] dump_backtrace+0x1c4/0x1f0 [ 30.542050][ T3032] show_stack+0x2c/0x54 [ 30.543138][ T3032] dump_stack_lvl+0x104/0x16c [ 30.544275][ T3032] dump_stack+0x1c/0x58 [ 30.545326][ T3032] sysfs_create_dir_ns+0x148/0x168 [ 30.546750][ T3032] kobject_add_internal+0x244/0x530 [ 30.548051][ T3032] kobject_add+0xb8/0x130 [ 30.549206][ T3032] device_add+0x248/0x958 [ 30.550270][ T3032] hci_conn_add_sysfs+0x4c/0xf4 [ 30.551494][ T3032] hci_le_cis_estabilished_evt+0x180/0x21c [ 30.552954][ T3032] hci_le_meta_evt+0x1e4/0x230 [ 30.554147][ T3032] hci_event_packet+0x4e0/0x60c [ 30.555400][ T3032] hci_rx_work+0x1a4/0x2f4 [ 30.556612][ T3032] process_one_work+0x2d8/0x504 [ 30.557822][ T3032] worker_thread+0x340/0x610 [ 30.559024][ T3032] kthread+0x12c/0x158 [ 30.560075][ T3032] ret_from_fork+0x10/0x20 [ 30.561247][ T3032] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 30.564557][ T3032] Bluetooth: hci0: failed to register connection device [ 30.638491][ T3030] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000058 [ 30.640875][ T3030] Mem abort info: [ 30.641744][ T3030] ESR = 0x0000000096000004 [ 30.642791][ T3030] EC = 0x25: DABT (current EL), IL = 32 bits [ 30.644302][ T3030] SET = 0, FnV = 0 [ 30.645243][ T3030] EA = 0, S1PTW = 0 [ 30.646221][ T3030] FSC = 0x04: level 0 translation fault [ 30.647585][ T3030] Data abort info: [ 30.648845][ T3030] ISV = 0, ISS = 0x00000004 [ 30.649972][ T3030] CM = 0, WnR = 0 [ 30.650943][ T3030] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000107dda000 [ 30.652651][ T3030] [0000000000000058] pgd=0000000000000000, p4d=0000000000000000 [ 30.654543][ T3030] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP [ 30.656275][ T3030] Modules linked in: [ 30.657345][ T3030] CPU: 1 PID: 3030 Comm: syz-executor336 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 30.659926][ T3030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 30.662446][ T3030] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 30.664458][ T3030] pc : klist_next+0x28/0x18c [ 30.665574][ T3030] lr : klist_next+0x24/0x18c [ 30.666893][ T3030] sp : ffff8000126fba20 [ 30.667865][ T3030] x29: ffff8000126fba20 x28: 00000000000e0003 x27: 0000000000002000 [ 30.669713][ T3030] x26: 0000000000000000 x25: 0000000000000000 x24: ffff0000c657b000 [ 30.671761][ T3030] x23: ffff80000d832b20 x22: ffff0000ca924000 x21: ffff0000c6578538 [ 30.673703][ T3030] x20: 0000000000000000 x19: ffff8000126fba78 x18: 00000000000000c0 [ 30.675633][ T3030] x17: ffff80000dd0b198 x16: 0000000000000000 x15: 0000000000000000 [ 30.677773][ T3030] x14: 0000000000000000 x13: 0000000000000002 x12: ffff80000d833180 [ 30.679737][ T3030] x11: ff808000096ae804 x10: 0000000000000000 x9 : ffff8000096ae804 [ 30.681851][ T3030] x8 : ffff0000c62c0000 x7 : ffff8000095d2cfc x6 : 0000000000000000 [ 30.683816][ T3030] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 30.685831][ T3030] x2 : ffff80000b97020c x1 : ffff8000126fba78 x0 : 0000000000000000 [ 30.687832][ T3030] Call trace: [ 30.688596][ T3030] klist_next+0x28/0x18c [ 30.689606][ T3030] device_find_child+0x50/0x114 [ 30.690794][ T3030] hci_conn_del_sysfs+0x54/0xfc [ 30.691944][ T3030] hci_conn_cleanup+0x2d4/0x380 [ 30.693139][ T3030] hci_conn_del+0x144/0x2a8 [ 30.694273][ T3030] hci_conn_hash_flush+0xe8/0x148 [ 30.695463][ T3030] hci_dev_close_sync+0x48c/0x9e0 [ 30.696756][ T3030] hci_unregister_dev+0xe4/0x280 [ 30.698060][ T3030] vhci_release+0x44/0x80 [ 30.699007][ T3030] __fput+0x198/0x3dc [ 30.699880][ T3030] ____fput+0x20/0x30 [ 30.700769][ T3030] task_work_run+0xc4/0x14c [ 30.701763][ T3030] do_exit+0x26c/0xbe0 [ 30.702697][ T3030] do_group_exit+0x60/0xe8 [ 30.703775][ T3030] __wake_up_parent+0x0/0x40 [ 30.704935][ T3030] el0_svc_common+0x138/0x220 [ 30.706081][ T3030] do_el0_svc+0x48/0x164 [ 30.707264][ T3030] el0_svc+0x58/0x150 [ 30.708204][ T3030] el0t_64_sync_handler+0x84/0xf0 [ 30.709499][ T3030] el0t_64_sync+0x18c/0x190 [ 30.710623][ T3030] Code: 910003fd aa0003f3 97afc505 a9405260 (f9402c18) [ 30.712161][ T3030] ---[ end trace 0000000000000000 ]--- [ 30.870707][ T3030] Kernel panic - not syncing: Oops: Fatal exception [ 30.872351][ T3030] SMP: stopping secondary CPUs [ 30.873578][ T3030] Kernel Offset: disabled [ 30.874636][ T3030] CPU features: 0x00000,02070084,26017203 [ 30.876026][ T3030] Memory Limit: none [ 31.025366][ T3030] Rebooting in 86400 seconds..