------------[ cut here ]------------
kernel BUG at drivers/android/binder_alloc.c:1139!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 13960 Comm: syz-executor.2 Not tainted 5.1.0-rc4+ #65
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 drivers/android/binder_alloc.c:1139
Code: 02 00 0f 85 20 04 00 00 4d 8b 64 24 58 49 29 dc e8 3f 50 23 fc 4c 89 e6 4c 89 ef e8 54 51 23 fc 4d 39 e5 76 07 e8 2a 50 23 fc <0f> 0b e8 23 50 23 fc 4c 8b 75 d0 4d 29 ec 4c 89 e6 4c 89 f7 e8 31
RSP: 0018:ffff888064cb74e0 EFLAGS: 00010212
RAX: 0000000000040000 RBX: 0000000020001000 RCX: ffffc9000a225000
RDX: 0000000000000535 RSI: ffffffff854d3ed6 RDI: 0000000000000006
RBP: ffff888064cb7560 R08: ffff888096ac6300 R09: 0000000000000008
R10: ffffed100c996f15 R11: ffff888064cb78af R12: 0000000000000048
R13: 0000000000000008 R14: 0000000000000050 R15: 0000000000000000
FS:  00007fb3990c5700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ef23000 CR3: 000000008e6fc000 CR4: 00000000001426e0
Call Trace:
 binder_alloc_copy_from_buffer+0x37/0x42 drivers/android/binder_alloc.c:1185
 binder_validate_ptr+0xcc/0x1d0 drivers/android/binder.c:2133
 binder_fixup_parent drivers/android/binder.c:2715 [inline]
 binder_transaction+0x3e76/0x6690 drivers/android/binder.c:3381
 binder_thread_write+0x87e/0x2820 drivers/android/binder.c:3782
 binder_ioctl_write_read drivers/android/binder.c:4826 [inline]
 binder_ioctl+0x1033/0x183b drivers/android/binder.c:5003
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:509 [inline]
 do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696
 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713
 __do_sys_ioctl fs/ioctl.c:720 [inline]
 __se_sys_ioctl fs/ioctl.c:718 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458c29
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fb3990c4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29
RDX: 0000000020000780 RSI: 00000000c0306201 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb3990c56d4
R13: 00000000004bff5d R14: 00000000004d1fd8 R15: 00000000ffffffff
Modules linked in:
---[ end trace cc1aa8f87f365d95 ]---
RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 drivers/android/binder_alloc.c:1139
Code: 02 00 0f 85 20 04 00 00 4d 8b 64 24 58 49 29 dc e8 3f 50 23 fc 4c 89 e6 4c 89 ef e8 54 51 23 fc 4d 39 e5 76 07 e8 2a 50 23 fc <0f> 0b e8 23 50 23 fc 4c 8b 75 d0 4d 29 ec 4c 89 e6 4c 89 f7 e8 31
RSP: 0018:ffff888064cb74e0 EFLAGS: 00010212
RAX: 0000000000040000 RBX: 0000000020001000 RCX: ffffc9000a225000
RDX: 0000000000000535 RSI: ffffffff854d3ed6 RDI: 0000000000000006
RBP: ffff888064cb7560 R08: ffff888096ac6300 R09: 0000000000000008
R10: ffffed100c996f15 R11: ffff888064cb78af R12: 0000000000000048
R13: 0000000000000008 R14: 0000000000000050 R15: 0000000000000000
FS:  00007fb3990c5700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000008e6fc000 CR4: 00000000001426e0