binder_alloc: binder_alloc_mmap_handler: 17012 20001000-20004000 already mapped failed -16
binder: BINDER_SET_CONTEXT_MGR already set
binder: 17012:17016 ioctl 40046207 0 returned -16
------------[ cut here ]------------
memory commitment underflow
WARNING: CPU: 0 PID: 17025 at mm/util.c:642 __vm_enough_memory+0x753/0x980 mm/util.c:640
binder_alloc: 17012: binder_alloc_buf, no vma
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 17025 Comm: syz-executor2 Not tainted 4.18.0-rc7+ #177
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
 panic+0x238/0x4e7 kernel/panic.c:184
 __warn.cold.8+0x163/0x1ba kernel/panic.c:536
 report_bug+0x252/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
binder: 17012:17031 transaction failed 29189/-3, size 0-0 line 2967
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992
RIP: 0010:__vm_enough_memory+0x753/0x980 mm/util.c:640
Code: 83 d6 ff 0f b6 85 30 fe ff ff 84 c0 
binder: send failed reply for transaction 173 to 17012:17016
0f 85 2e fa ff ff e8 80 82 d6 ff 48 c7 c7 a0 39 11 87 c6 05 e2 c1 df 06 01 e8 7d 9b a1 ff <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 0f b6 14 
RSP: 0018:ffff88019508f770 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 1ffff10032a11ef2 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81632481 RDI: 0000000000000001
RBP: ffff88019508f958 R08: ffff8801b13b4300 R09: ffffed003b603ec2
R10: ffffed003b603ec2 R11: ffff8801db01f617 R12: ffff88019508f930
R13: 0000000000000c6f R14: ffffffff8800e900 R15: 0000000000000021
 security_vm_enough_memory_mm+0x9d/0xc0 security/security.c:333
 mmap_region+0x36f/0x16b0 mm/mmap.c:1714
 do_mmap+0xa06/0x1320 mm/mmap.c:1535
 do_mmap_pgoff include/linux/mm.h:2306 [inline]
 vm_mmap_pgoff+0x213/0x2c0 mm/util.c:357
 ksys_mmap_pgoff+0xf1/0x660 mm/mmap.c:1585
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline]
 __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x456b7a
Code: 89 f5 41 54 49 89 fc 55 53 74 35 49 63 e8 48 63 da 4d 89 f9 49 89 e8 4d 63 d6 48 89 da 4c 89 ee 4c 89 e7 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 4e 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 00 
RSP: 002b:00007ffee2719f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000456b7a
RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000
RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..