audit: type=1400 audit(1553636454.826:12): avc:  denied  { set_context_mgr } for  pid=2724 comm="syz-executor.0" 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
binder: 2730:2731 ioctl c018620b 0 returned -14
binder: 2724:2727 unknown command 2097152
------------[ cut here ]------------
audit: type=1400 audit(1553636454.856:13): avc:  denied  { call } for  pid=2724 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
kernel BUG at drivers/android/binder_alloc.c:1130!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
binder: 2724:2727 ioctl c0306201 200002c0 returned -22
Modules linked in:
CPU: 0 PID: 2731 Comm: syz-executor.2 Not tainted 4.14.108+ #38
task: ffff8881d0f19780 task.stack: ffff8881c0df8000
audit: type=1400 audit(1553636454.856:14): avc:  denied  { transfer } for  pid=2724 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
RIP: 0010:binder_alloc_do_buffer_copy+0xc7/0x500 drivers/android/binder_alloc.c:1130
RSP: 0018:ffff8881c0dff5d0 EFLAGS: 00010297
audit: type=1400 audit(1553636454.866:15): avc:  denied  { create } for  pid=2724 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=netlink_generic_socket permissive=1
RAX: ffff8881d0f19780 RBX: 0000000020001020 RCX: 00030000ffe30400
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881c59dcd58
RBP: 0000000000000020 R08: ffff8881c0dff8b0 R09: 0000000000000028
R10: ffffed10381bff06 R11: ffff8881c0dff837 R12: ffff8881da321498
audit: type=1400 audit(1553636454.866:16): avc:  denied  { write } for  pid=2724 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=netlink_generic_socket permissive=1
R13: 0000000000000028 R14: 00030000ffe30400 R15: ffff8881c0dff8b0
FS:  00007f19c4a53700(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001c5d08005 CR4: 00000000001606b0
Call Trace:
audit: type=1400 audit(1553636454.866:17): avc:  denied  { read } for  pid=2724 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=netlink_generic_socket permissive=1
 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: ffff8881c0dff5d0
---[ end trace 19b3702dc11e26fa ]---