------------[ cut here ]------------ memory commitment underflow WARNING: CPU: 0 PID: 5999 at mm/util.c:645 __vm_enough_memory+0x734/0x960 mm/util.c:643 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 5999 Comm: syz-executor023 Not tainted 4.20.0-rc1-next-20181109+ #110 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+0x244/0x39d lib/dump_stack.c:113 panic+0x2ad/0x55c kernel/panic.c:188 __warn.cold.8+0x20/0x45 kernel/panic.c:540 report_bug+0x254/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969 RIP: 0010:__vm_enough_memory+0x734/0x960 mm/util.c:643 Code: 64 d3 ff 0f b6 85 28 fe ff ff 84 c0 0f 85 4e fa ff ff e8 7f 63 d3 ff 48 c7 c7 20 a0 32 88 c6 05 44 4d 65 08 01 e8 ec 96 9c 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:ffff8801c2356ca0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 1ffff1003846ad98 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8165ba15 RDI: 0000000000000006 RBP: ffff8801c2356e88 R08: ffff8801c1d0a600 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801c1d0a600 R12: ffff8801c2356e60 R13: 0000000000000c60 R14: ffffffff8961d580 R15: 0000000000000001 security_vm_enough_memory_mm+0x9d/0xc0 security/security.c:349 dup_mmap kernel/fork.c:521 [inline] dup_mm kernel/fork.c:1318 [inline] copy_mm kernel/fork.c:1373 [inline] copy_process+0x4147/0x8790 kernel/fork.c:1917 _do_fork+0x1cb/0x11c0 kernel/fork.c:2216 __do_sys_clone kernel/fork.c:2323 [inline] __se_sys_clone kernel/fork.c:2317 [inline] __x64_sys_clone+0xbf/0x150 kernel/fork.c:2317 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x43f83a 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:00007ffff54f27b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043f83a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffff54f27d0 R08: 000000000000176f R09: 0000000000c0e880 R10: 0000000000c0eb50 R11: 0000000000000246 R12: 000000000000176f R13: 0000000000401da0 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..