------------[ cut here ]------------ WARNING: CPU: 1 PID: 854 at mm/util.c:522 __vm_enough_memory+0x38b/0x470 mm/util.c:520 memory commitment underflow[ 174.988041] Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 854 Comm: syz-executor1 Not tainted 4.9.77-ge12a9c4 #18 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d1a47a30 ffffffff81d941c9 ffffffff83a47bc0 ffff8801d1a47b08 ffffffff83aac800 ffffffff81498b0b 0000000000000009 ffff8801d1a47af8 ffffffff8142f3c1 0000000041b58ab3 ffffffff8418ab70 ffffffff8142f205 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] panic+0x1bc/0x3a8 kernel/panic.c:179 [] __warn+0x1c4/0x1e0 kernel/panic.c:542 [] warn_slowpath_fmt+0xc4/0x110 kernel/panic.c:565 [] __vm_enough_memory+0x38b/0x470 mm/util.c:520 [] security_vm_enough_memory_mm+0x90/0xb0 security/security.c:238 [] mmap_region+0x93b/0xfd0 mm/mmap.c:1644 [] do_mmap+0x57b/0xbe0 mm/mmap.c:1473 [] do_mmap_pgoff include/linux/mm.h:2019 [inline] [] vm_mmap_pgoff+0x16b/0x1b0 mm/util.c:305 [] SYSC_mmap_pgoff mm/mmap.c:1523 [inline] [] SyS_mmap_pgoff+0xd0/0x560 mm/mmap.c:1481 [] SYSC_mmap arch/x86/kernel/sys_x86_64.c:95 [inline] [] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:86 [] entry_SYSCALL_64_fastpath+0x29/0xe8 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..