audit: type=1400 audit(1560810620.903:6): avc:  denied  { call } for  pid=2057 comm="syz-executor799" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1
audit: type=1400 audit(1560810620.923:7): avc:  denied  { transfer } for  pid=2057 comm="syz-executor799" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1
------------[ cut here ]------------
kernel BUG at drivers/android/binder_alloc.c:1103!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 2057 Comm: syz-executor799 Not tainted 4.9.182+ #1
task: 00000000635b5f33 task.stack: 000000000884983f
RIP: 0010:[<ffffffff8222ac1b>]  [<0000000078b46819>] binder_alloc_do_buffer_copy+0xcb/0x500 drivers/android/binder_alloc.c:1103
RSP: 0018:ffff8801c56574a8  EFLAGS: 00010293
RAX: ffff8801cf218000 RBX: 0000000020001000 RCX: 0000000000000070
RDX: 0000000000000000 RSI: ffffffff8222ac1b RDI: ffff8801d3cc26d8
RBP: ffff8801c5657528 R08: ffff8801c56575a8 R09: 0000000000000008
R10: ffffed0038acaf12 R11: ffff8801c5657897 R12: 0000000000000058
R13: 0000000000000070 R14: 0000000000000008 R15: ffff8801c56575a8
FS:  00000000011db940(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001d1865000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801c5657560 0000000000000246 ffff8801cf218000 ffff8801c56574d0
 ffff8801cf2de018 ffff8801d3ceae58 00ff8801c5657870 ffff8801d3ceae00
 ffffffff814fc356 ffff8801cf34e600 0000000000000070 ffff8801c56575a8
Call Trace:
 [<000000000ac67796>] binder_alloc_copy_from_buffer+0x37/0x42 drivers/android/binder_alloc.c:1149
 [<0000000030436912>] binder_validate_ptr+0xc5/0x1b0 drivers/android/binder.c:2316
 [<00000000293ee1b5>] binder_transaction+0x2091/0x58c0 drivers/android/binder.c:3424
 [<0000000033d0d746>] binder_thread_write+0x593/0x2110 drivers/android/binder.c:3895
 [<00000000a64ffd99>] binder_ioctl_write_read drivers/android/binder.c:4832 [inline]
 [<00000000a64ffd99>] binder_ioctl+0xecd/0x1720 drivers/android/binder.c:5008
 [<0000000004ab4dc8>] vfs_ioctl fs/ioctl.c:43 [inline]
 [<0000000004ab4dc8>] file_ioctl fs/ioctl.c:493 [inline]
 [<0000000004ab4dc8>] do_vfs_ioctl+0xb87/0x11d0 fs/ioctl.c:677
 [<00000000dddddfcd>] SYSC_ioctl fs/ioctl.c:694 [inline]
 [<00000000dddddfcd>] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685
 [<0000000051f1482b>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<0000000077d534bf>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 0a 04 00 00 4d 8b 64 24 58 49 29 dc e8 bf 62 0f ff 4d 39 e6 76 07 e8 b5 62 0f ff <0f> 0b e8 ae 62 0f ff 4c 8b 6d d0 4d 29 f4 4d 39 e5 77 e8 e8 9d 
RIP  [<0000000078b46819>] binder_alloc_do_buffer_copy+0xcb/0x500 drivers/android/binder_alloc.c:1103
 RSP <ffff8801c56574a8>
---[ end trace 52373df61d5adad3 ]---