Warning: Permanently added '10.128.0.90' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 28.322782][ T3039] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 28.324892][ T3039] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 28.326559][ T3039] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 28.328597][ T3039] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 28.330583][ T3039] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 28.332137][ T3039] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 28.352699][ T3039] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201' [ 28.354630][ T3039] CPU: 1 PID: 3039 Comm: kworker/u5:1 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 28.356611][ T3039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 28.358598][ T3039] Workqueue: hci0 hci_rx_work [ 28.359524][ T3039] Call trace: [ 28.360187][ T3039] dump_backtrace+0x1c4/0x1f0 [ 28.361149][ T3039] show_stack+0x2c/0x54 [ 28.362002][ T3039] dump_stack_lvl+0x104/0x16c [ 28.362955][ T3039] dump_stack+0x1c/0x58 [ 28.363683][ T3039] sysfs_create_dir_ns+0x148/0x168 [ 28.364810][ T3039] kobject_add_internal+0x244/0x530 [ 28.365957][ T3039] kobject_add+0xb8/0x130 [ 28.366834][ T3039] device_add+0x248/0x958 [ 28.367745][ T3039] hci_conn_add_sysfs+0x4c/0xf4 [ 28.368744][ T3039] hci_le_cis_estabilished_evt+0x180/0x21c [ 28.369965][ T3039] hci_le_meta_evt+0x1e4/0x230 [ 28.370943][ T3039] hci_event_packet+0x4e0/0x60c [ 28.371958][ T3039] hci_rx_work+0x1a4/0x2f4 [ 28.372899][ T3039] process_one_work+0x2d8/0x504 [ 28.373918][ T3039] worker_thread+0x340/0x610 [ 28.374862][ T3039] kthread+0x12c/0x158 [ 28.375690][ T3039] ret_from_fork+0x10/0x20 [ 28.376750][ T3039] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory. [ 28.379382][ T3039] Bluetooth: hci0: failed to register connection device [ 28.519615][ T3038] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000058 [ 28.521867][ T3038] Mem abort info: [ 28.522627][ T3038] ESR = 0x0000000096000006 [ 28.523559][ T3038] EC = 0x25: DABT (current EL), IL = 32 bits [ 28.524712][ T3038] SET = 0, FnV = 0 [ 28.525500][ T3038] EA = 0, S1PTW = 0 [ 28.526327][ T3038] FSC = 0x06: level 2 translation fault [ 28.527451][ T3038] Data abort info: [ 28.528208][ T3038] ISV = 0, ISS = 0x00000006 [ 28.529129][ T3038] CM = 0, WnR = 0 [ 28.530949][ T3038] user pgtable: 4k pages, 48-bit VAs, pgdp=000000010b53c000 [ 28.532502][ T3038] [0000000000000058] pgd=080000010b5e4003, p4d=080000010b5e4003, pud=0800000109b02003, pmd=0000000000000000 [ 28.534918][ T3038] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 28.536352][ T3038] Modules linked in: [ 28.537144][ T3038] CPU: 1 PID: 3038 Comm: syz-executor292 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 28.539281][ T3038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 28.541340][ T3038] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 28.543266][ T3038] pc : klist_next+0x28/0x18c [ 28.544422][ T3038] lr : klist_next+0x24/0x18c [ 28.545550][ T3038] sp : ffff80001282ba10 [ 28.546572][ T3038] x29: ffff80001282ba10 x28: ffff0000c10a3500 x27: 0001000000000000 [ 28.548520][ T3038] x26: 0000000000000000 x25: 0000000000000000 x24: ffff0000c3f47000 [ 28.550200][ T3038] x23: ffff80000d832b20 x22: ffff0000ca8a0000 x21: ffff0000c3f43538 [ 28.551855][ T3038] x20: 0000000000000000 x19: ffff80001282ba68 x18: 00000000000000c0 [ 28.553502][ T3038] x17: ffff80000dd0b198 x16: 0000000000000000 x15: 0000000000000000 [ 28.555199][ T3038] x14: 0000000000000000 x13: 0000000000000002 x12: ffff80000d833180 [ 28.556843][ T3038] x11: ff808000096ae804 x10: 0000000000000000 x9 : ffff8000096ae804 [ 28.558500][ T3038] x8 : ffff0000c10a3500 x7 : ffff8000095d2cfc x6 : 0000000000000000 [ 28.560160][ T3038] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 28.561824][ T3038] x2 : ffff80000b97020c x1 : ffff80001282ba68 x0 : 0000000000000000 [ 28.563552][ T3038] Call trace: [ 28.564273][ T3038] klist_next+0x28/0x18c [ 28.565194][ T3038] device_find_child+0x50/0x114 [ 28.566234][ T3038] hci_conn_del_sysfs+0x54/0xfc [ 28.567262][ T3038] hci_conn_cleanup+0x2d4/0x380 [ 28.568261][ T3038] hci_conn_del+0x144/0x2a8 [ 28.569172][ T3038] hci_conn_hash_flush+0xe8/0x148 [ 28.570208][ T3038] hci_dev_close_sync+0x48c/0x9e0 [ 28.571296][ T3038] hci_rfkill_set_block+0x98/0x198 [ 28.572453][ T3038] rfkill_set_block+0xb4/0x1f8 [ 28.573501][ T3038] rfkill_fop_write+0x358/0x3f8 [ 28.574496][ T3038] vfs_write+0x1a4/0x46c [ 28.575375][ T3038] ksys_write+0xb4/0x160 [ 28.576235][ T3038] __arm64_sys_write+0x24/0x34 [ 28.577246][ T3038] el0_svc_common+0x138/0x220 [ 28.578197][ T3038] do_el0_svc+0x48/0x164 [ 28.579095][ T3038] el0_svc+0x58/0x150 [ 28.579905][ T3038] el0t_64_sync_handler+0x84/0xf0 [ 28.580997][ T3038] el0t_64_sync+0x18c/0x190 [ 28.581926][ T3038] Code: 910003fd aa0003f3 97afc505 a9405260 (f9402c18) [ 28.583412][ T3038] ---[ end trace 0000000000000000 ]--- [ 28.724758][ T3038] Kernel panic - not syncing: Oops: Fatal exception [ 28.726093][ T3038] SMP: stopping secondary CPUs [ 28.727204][ T3038] Kernel Offset: disabled [ 28.728288][ T3038] CPU features: 0x00000,02070084,26017203 [ 28.729648][ T3038] Memory Limit: none [ 28.868980][ T3038] Rebooting in 86400 seconds..