------------[ cut here ]------------
memory commitment underflow
WARNING: CPU: 1 PID: 7581 at mm/util.c:657 __vm_enough_memory+0x2db/0x3a0 mm/util.c:657
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 7581 Comm: syz-executor484 Not tainted 5.1.0-rc5-next-20190418 #28
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+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x2cb/0x72b kernel/panic.c:214
 __warn.cold+0x20/0x46 kernel/panic.c:576
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:972
RIP: 0010:__vm_enough_memory+0x2db/0x3a0 mm/util.c:657
Code: e8 7a 94 db ff 0f b6 75 d0 40 84 f6 0f 85 f0 fd ff ff e8 28 93 db ff 48 c7 c7 e0 76 72 87 c6 05 e8 db c6 07 01 e8 73 0d ae 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:ffff888099c6fb10 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815b2ba6 RDI: ffffed101338df54
RBP: ffff888099c6fb48 R08: ffff8880895f4380 R09: ffff8880895f4c70
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808d058000
R13: 0000000000000001 R14: ffffffff88a26b40 R15: 0000000000000c67
 security_vm_enough_memory_mm+0xa0/0xd0 security/security.c:739
 dup_mmap kernel/fork.c:521 [inline]
 dup_mm kernel/fork.c:1329 [inline]
 copy_mm kernel/fork.c:1385 [inline]
 copy_process.part.0+0x3449/0x7a90 kernel/fork.c:1945
 copy_process kernel/fork.c:1738 [inline]
 _do_fork+0x257/0xfd0 kernel/fork.c:2257
 __do_sys_clone kernel/fork.c:2364 [inline]
 __se_sys_clone kernel/fork.c:2358 [inline]
 __x64_sys_clone+0xbf/0x150 kernel/fork.c:2358
 do_syscall_64+0x103/0x670 arch/x86/entry/common.c:298
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x43fc4a
Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00
RSP: 002b:00007ffd54d1c670 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043fc4a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffd54d1c690 R08: 0000000000001d9d R09: 0000555557359880
R10: 0000555557359b50 R11: 0000000000000246 R12: 0000000000001d9d
R13: 0000000000402090 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..