------------[ cut here ]------------ memory commitment underflow WARNING: CPU: 1 PID: 23314 at mm/util.c:645 __vm_enough_memory+0x734/0x960 mm/util.c:643 kobject: 'kvm' (000000006967ef99): fill_kobj_path: path = '/devices/virtual/misc/kvm' Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 23314 Comm: syz-executor1 Not tainted 4.20.0 #386 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+0x1d3/0x2c6 lib/dump_stack.c:113 kobject: 'kvm' (000000006967ef99): kobject_uevent_env panic+0x2ad/0x55c kernel/panic.c:188 kobject: 'kvm' (000000006967ef99): fill_kobj_path: path = '/devices/virtual/misc/kvm' __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:973 RIP: 0010:__vm_enough_memory+0x734/0x960 mm/util.c:643 Code: 62 d3 ff 0f b6 85 28 fe ff ff 84 c0 0f 85 4e fa ff ff e8 bf 61 d3 ff 48 c7 c7 a0 9b 32 88 c6 05 ef 8e 67 08 01 e8 6c 14 9d 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:ffff88817bf1f668 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 1ffff1102f7e3ed1 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81653f85 RDI: 0000000000000006 RBP: ffff88817bf1f850 R08: ffff8881d975c580 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8881d975c580 R12: ffff88817bf1f828 R13: 0000000000000c60 R14: ffffffff8961c880 R15: 0000000000000000 security_vm_enough_memory_mm+0x9d/0xc0 security/security.c:349 mmap_region+0x3ad/0x1cd0 mm/mmap.c:1738 do_mmap+0xa22/0x1230 mm/mmap.c:1559 do_mmap_pgoff include/linux/mm.h:2328 [inline] vm_mmap_pgoff+0x213/0x2c0 mm/util.c:350 ksys_mmap_pgoff+0xf1/0x660 mm/mmap.c:1609 __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: 0033:0x4576ba 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:0000000000a3fad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004576ba RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000 RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..