sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer ================================================================== BUG: KASAN: slab-use-after-free in hci_conn_hash_flush+0x201/0x240 Read of size 8 at addr ffff88801fa08000 by task syz-executor.5/3868 CPU: 1 PID: 3868 Comm: syz-executor.5 Not tainted 6.3.0-next-20230428 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0x91/0xf0 print_report+0xcc/0x620 kasan_report+0xc0/0xf0 hci_conn_hash_flush+0x201/0x240 hci_dev_close_sync+0x57f/0xff0 hci_unregister_dev+0x15e/0x410 vhci_release+0x80/0x100 __fput+0x263/0xa40 task_work_run+0x174/0x280 do_exit+0xad8/0x2720 do_group_exit+0xd4/0x2a0 get_signal+0x263c/0x26c0 arch_do_signal_or_restart+0x79/0x590 exit_to_user_mode_prepare+0xeb/0x180 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f0d6958b69c Code: Unable to access opcode bytes at 0x7f0d6958b672. RSP: 002b:00007ffe13875f60 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: fffffffffffffe00 RBX: 00007ffe13876010 RCX: 00007f0d6958b69c RDX: 0000000000000040 RSI: 00007f0d696e8020 RDI: 00000000000000f9 RBP: 0000000000000003 R08: 0000000000000000 R09: fefefefeff646b66 R10: 0000000000000010 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f0d696b8e48 R15: 00007ffe13876050 Allocated by task 7485: kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_kmalloc+0x7f/0x90 hci_conn_add+0xa3/0x14d0 hci_connect_sco+0x3e7/0x1120 sco_sock_connect+0x2c0/0x9c0 __sys_connect_file+0x159/0x1a0 __sys_connect+0x169/0x1a0 __x64_sys_connect+0x73/0xb0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc sr 1:0:0:0: [sr0] tag#0 unaligned transfer Freed by task 3868: kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 sr 1:0:0:0: [sr0] tag#0 unaligned transfer kasan_save_free_info+0x2e/0x50 __kasan_slab_free+0x10a/0x190 __kmem_cache_free+0xd1/0x2f0 device_release+0xa6/0x240 sr 1:0:0:0: [sr0] tag#0 unaligned transfer kobject_put+0x177/0x270 put_device+0x1f/0x30 hci_conn_del+0x29f/0x810 sr 1:0:0:0: [sr0] tag#0 unaligned transfer hci_conn_unlink+0x211/0x390 hci_conn_unlink+0x2a3/0x390 sr 1:0:0:0: [sr0] tag#0 unaligned transfer hci_conn_hash_flush+0x195/0x240 hci_dev_close_sync+0x57f/0xff0 hci_unregister_dev+0x15e/0x410 vhci_release+0x80/0x100 sr 1:0:0:0: [sr0] tag#0 unaligned transfer __fput+0x263/0xa40 task_work_run+0x174/0x280 do_exit+0xad8/0x2720 do_group_exit+0xd4/0x2a0 get_signal+0x263c/0x26c0 arch_do_signal_or_restart+0x79/0x590 exit_to_user_mode_prepare+0xeb/0x180 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc The buggy address belongs to the object at ffff88801fa08000 which belongs to the cache kmalloc-4k of size 4096 The buggy address is located 0 bytes inside of freed 4096-byte region [ffff88801fa08000, ffff88801fa09000) The buggy address belongs to the physical page: sr 1:0:0:0: [sr0] tag#0 unaligned transfer page:00000000e9481d45 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1fa08 head:00000000e9481d45 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer flags: 0x100000000010200(slab|head|node=0|zone=1) page_type: 0xffffffff() raw: 0100000000010200 ffff888008442140 dead000000000100 dead000000000122 raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: sr 1:0:0:0: [sr0] tag#0 unaligned transfer ffff88801fa07f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88801fa07f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff88801fa08000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88801fa08080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb sr 1:0:0:0: [sr0] tag#0 unaligned transfer ffff88801fa08100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer general protection fault, probably for non-canonical address 0xe0869c3b400001e3: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access in range [0x043501da00000f18-0x043501da00000f1f] CPU: 1 PID: 3868 Comm: syz-executor.5 Tainted: G B 6.3.0-next-20230428 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:hci_conn_cleanup+0x1c5/0x780 Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ef 04 00 00 48 89 da 49 89 5c 24 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 ab 04 00 00 48 b8 22 01 00 00 00 00 ad de 4c 89 RSP: 0018:ffff88803c63f8e8 EFLAGS: 00010213 RAX: dffffc0000000000 RBX: 043501da00000f1c RCX: ffffffff83daa2d3 RDX: 0086a03b400001e3 RSI: 0000000000000008 RDI: ffff88800d8fd5f8 RBP: ffff88801fa08000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800d8fd5f0 R13: ffff88801fa08260 R14: dffffc0000000000 R15: ffff888035790000 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fed8511f3c8 CR3: 000000000d7e0000 CR4: 0000000000350ee0 Call Trace: hci_conn_del+0x29f/0x810 hci_conn_hash_flush+0x19d/0x240 hci_dev_close_sync+0x57f/0xff0 hci_unregister_dev+0x15e/0x410 vhci_release+0x80/0x100 __fput+0x263/0xa40 task_work_run+0x174/0x280 do_exit+0xad8/0x2720 do_group_exit+0xd4/0x2a0 get_signal+0x263c/0x26c0 arch_do_signal_or_restart+0x79/0x590 exit_to_user_mode_prepare+0xeb/0x180 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f0d6958b69c Code: Unable to access opcode bytes at 0x7f0d6958b672. RSP: 002b:00007ffe13875f60 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: fffffffffffffe00 RBX: 00007ffe13876010 RCX: 00007f0d6958b69c RDX: 0000000000000040 RSI: 00007f0d696e8020 RDI: 00000000000000f9 RBP: 0000000000000003 R08: 0000000000000000 R09: fefefefeff646b66 R10: 0000000000000010 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f0d696b8e48 R15: 00007ffe13876050 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hci_conn_cleanup+0x1c5/0x780 Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ef 04 00 00 48 89 da 49 89 5c 24 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 ab 04 00 00 48 b8 22 01 00 00 00 00 ad de 4c 89 RSP: 0018:ffff88803c63f8e8 EFLAGS: 00010213 RAX: dffffc0000000000 RBX: 043501da00000f1c RCX: ffffffff83daa2d3 RDX: 0086a03b400001e3 RSI: 0000000000000008 RDI: ffff88800d8fd5f8 RBP: ffff88801fa08000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800d8fd5f0 R13: ffff88801fa08260 R14: dffffc0000000000 R15: ffff888035790000 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fed8511f3c8 CR3: 000000000d7e0000 CR4: 0000000000350ee0 Fixing recursive fault but reboot is needed! BUG: scheduling while atomic: syz-executor.5/3868/0x00000000 INFO: lockdep is turned off. Modules linked in: CPU: 1 PID: 3868 Comm: syz-executor.5 Tainted: G B D 6.3.0-next-20230428 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xc1/0xf0 __schedule_bug+0xb9/0x100 __schedule+0x1d59/0x2b10 do_task_dead+0xd5/0x100 make_task_dead+0x36e/0x3b0 rewind_stack_and_make_dead+0x17/0x20 RIP: 0033:0x7f0d6958b69c Code: Unable to access opcode bytes at 0x7f0d6958b672. RSP: 002b:00007ffe13875f60 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: fffffffffffffe00 RBX: 00007ffe13876010 RCX: 00007f0d6958b69c RDX: 0000000000000040 RSI: 00007f0d696e8020 RDI: 00000000000000f9 RBP: 0000000000000003 R08: 0000000000000000 R09: fefefefeff646b66 R10: 0000000000000010 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f0d696b8e48 R15: 00007ffe13876050 sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer general protection fault, probably for non-canonical address 0xe0869c3b400001e4: 0000 [#2] PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access in range [0x043501da00000f20-0x043501da00000f27] CPU: 0 PID: 3872 Comm: syz-executor.7 Tainted: G B D W 6.3.0-next-20230428 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:hci_conn_cleanup+0x1c5/0x780 Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ef 04 00 00 48 89 da 49 89 5c 24 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 ab 04 00 00 48 b8 22 01 00 00 00 00 ad de 4c 89 RSP: 0018:ffff88803dc878e8 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 043501da00000f20 RCX: ffffffff83daa2d3 RDX: 0086a03b400001e4 RSI: 0000000000000008 RDI: ffff88800d7681a8 RBP: ffff8880090a4000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800d7681a0 R13: ffff8880090a4260 R14: dffffc0000000000 R15: ffff888035758000 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558f6c497b90 CR3: 0000000015b24000 CR4: 0000000000350ef0 Call Trace: hci_conn_del+0x29f/0x810 hci_conn_hash_flush+0x19d/0x240 hci_dev_close_sync+0x57f/0xff0 hci_unregister_dev+0x15e/0x410 vhci_release+0x80/0x100 __fput+0x263/0xa40 task_work_run+0x174/0x280 do_exit+0xad8/0x2720 do_group_exit+0xd4/0x2a0 get_signal+0x263c/0x26c0 arch_do_signal_or_restart+0x79/0x590 exit_to_user_mode_prepare+0xeb/0x180 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f8e4788ec27 Code: Unable to access opcode bytes at 0x7f8e4788ebfd. RSP: 002b:00007ffe0971a038 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 RAX: 0000000000000000 RBX: 00007ffe0971a0c0 RCX: 00007f8e4788ec27 RDX: 00007ffe0971a0d7 RSI: 00000000000001ff RDI: 00007ffe0971a0c0 RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe09719ed0 R10: 00007ffe09719d87 R11: 0000000000000202 R12: 0000000000000001 R13: 00007ffe0971a340 R14: 0000000000000000 R15: 00000000000000f8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hci_conn_cleanup+0x1c5/0x780 Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ef 04 00 00 48 89 da 49 89 5c 24 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 ab 04 00 00 48 b8 22 01 00 00 00 00 ad de 4c 89 RSP: 0018:ffff88803c63f8e8 EFLAGS: 00010213 RAX: dffffc0000000000 RBX: 043501da00000f1c RCX: ffffffff83daa2d3 RDX: 0086a03b400001e3 RSI: 0000000000000008 RDI: ffff88800d8fd5f8 RBP: ffff88801fa08000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800d8fd5f0 R13: ffff88801fa08260 R14: dffffc0000000000 R15: ffff888035790000 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558f6c497b90 CR3: 0000000015b24000 CR4: 0000000000350ef0 Fixing recursive fault but reboot is needed! BUG: scheduling while atomic: syz-executor.7/3872/0x00000000 INFO: lockdep is turned off. Modules linked in: CPU: 0 PID: 3872 Comm: syz-executor.7 Tainted: G B D W 6.3.0-next-20230428 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xc1/0xf0 __schedule_bug+0xb9/0x100 __schedule+0x1d59/0x2b10 do_task_dead+0xd5/0x100 make_task_dead+0x36e/0x3b0 rewind_stack_and_make_dead+0x17/0x20 RIP: 0033:0x7f8e4788ec27 Code: Unable to access opcode bytes at 0x7f8e4788ebfd. RSP: 002b:00007ffe0971a038 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 RAX: 0000000000000000 RBX: 00007ffe0971a0c0 RCX: 00007f8e4788ec27 RDX: 00007ffe0971a0d7 RSI: 00000000000001ff RDI: 00007ffe0971a0c0 RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe09719ed0 R10: 00007ffe09719d87 R11: 0000000000000202 R12: 0000000000000001 R13: 00007ffe0971a340 R14: 0000000000000000 R15: 00000000000000f8 Bluetooth: hci7: command 0x0405 tx timeout Bluetooth: hci4: command 0x0405 tx timeout Bluetooth: hci2: Opcode 0x c03 failed: -110 Bluetooth: hci6: Opcode 0x c03 failed: -110 Bluetooth: hci3: Opcode 0x c03 failed: -110 Bluetooth: hci2: Opcode 0x c03 failed: -110 Bluetooth: hci3: Opcode 0x c03 failed: -110 Bluetooth: hci6: Opcode 0x c03 failed: -110 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: df 48 89 fisttps -0x77(%rax) 3: fa cli 4: 48 c1 ea 03 shr $0x3,%rdx 8: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) c: 0f 85 ef 04 00 00 jne 0x501 12: 48 89 da mov %rbx,%rdx 15: 49 89 5c 24 08 mov %rbx,0x8(%r12) 1a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 21: fc ff df 24: 48 c1 ea 03 shr $0x3,%rdx * 28: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2c: 0f 85 ab 04 00 00 jne 0x4dd 32: 48 b8 22 01 00 00 00 movabs $0xdead000000000122,%rax 39: 00 ad de 3c: 4c rex.WR 3d: 89 .byte 0x89