keychord: invalid keycode count 0
binder: 13743:13751 ioctl c018620b 0 returned -14
------------[ cut here ]------------
kernel BUG at drivers/android/binder_alloc.c:1130!
binder: 13743:13749 unknown command 2097152
binder: 13743:13749 ioctl c0306201 200002c0 returned -22
invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
Modules linked in:
CPU: 0 PID: 13751 Comm: syz-executor.2 Not tainted 4.14.108+ #38
task: ffff8881a297af00 task.stack: ffff8881a29e8000
RIP: 0010:binder_alloc_do_buffer_copy+0xc7/0x500 drivers/android/binder_alloc.c:1130
RSP: 0018:ffff8881a29ef5d0 EFLAGS: 00010216
RAX: 0000000000040000 RBX: 0000000020001000 RCX: 00000000000161ad
RDX: ffffffff82237477 RSI: ffffc90004b64000 RDI: ffff8881cb7d93d8
RBP: 0000000000000020 R08: ffff8881a29ef8b0 R09: 0000000000000028
R10: ffffed103453df06 R11: ffff8881a29ef837 R12: ffff8881c71f8b98
R13: 0000000000000028 R14: 0000200000000000 R15: ffff8881a29ef8b0
keychord: using input dev AT Translated Set 2 keyboard for fevent
FS:  00007ff1e8b5c700(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000212ed60 CR3: 00000001cf264003 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 binder_get_object+0x90/0x190 drivers/android/binder.c:2244
 binder_transaction+0x1e2d/0x5640 drivers/android/binder.c:3338
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 0d 04 00 00 48 8b 6d 58 48 29 dd e8 33 33 0d ff 49 39 ed 76 07 e8 29 33 0d ff <0f> 0b e8 22 33 0d ff 4c 29 ed 49 39 ee 77 ec e8 15 33 0d ff 41 
RIP: binder_alloc_do_buffer_copy+0xc7/0x500 drivers/android/binder_alloc.c:1130 RSP: ffff8881a29ef5d0
binder: 13743:13761 unknown command 772039430
binder: 13743:13761 ioctl c0306201 200001c0 returned -22
---[ end trace a23821aa0dbb2e34 ]---