audit: type=1400 audit(1553676497.399:358): avc:  denied  { map } for  pid=6532 comm="syz-executor.2" path="/dev/binder0" dev="devtmpfs" ino=5423 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:device_t:s0 tclass=chr_file permissive=1
------------[ cut here ]------------
kernel BUG at drivers/android/binder_alloc.c:1130!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
Modules linked in:
CPU: 1 PID: 6534 Comm: /group.stat Not tainted 4.14.108+ #39
task: ffff8881cbb08000 task.stack: ffff8881bf6d0000
RIP: 0010:binder_alloc_do_buffer_copy+0xc7/0x500 drivers/android/binder_alloc.c:1130
RSP: 0018:ffff8881bf6d75d0 EFLAGS: 00010212
audit: type=1400 audit(1553676497.409:359): avc:  denied  { set_context_mgr } for  pid=6532 comm="syz-executor.2" 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
RAX: 0000000000040000 RBX: 0000000020001000 RCX: 000000000000a292
RDX: ffffffff82237477 RSI: ffffc9000214f000 RDI: ffff8881cdfe9bd8
RBP: 0000000000000020 R08: ffff8881bf6d78b0 R09: 0000000000000028
R10: ffffed1037edaf06 R11: ffff8881bf6d7837 R12: ffff8881cb694b98
R13: 0000000000000028 R14: 0000000002000000 R15: ffff8881bf6d78b0
audit: type=1400 audit(1553676497.409:360): avc:  denied  { call } for  pid=6532 comm="/group.stat" 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
FS:  00007f23e3b99700(0000) GS:ffff8881d7700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000001991df8 CR3: 00000001c9e24002 CR4: 00000000001606a0
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: ffff8881bf6d75d0
binder: 6532:6542 unknown command -1972925064
binder: 6532:6542 ioctl c0306201 200002c0 returned -22
---[ end trace cc1eb7ba93786c91 ]---