bug-bounty372
xss309
google232
microsoft193
facebook190
apple132
exploit100
rce90
csrf79
account-takeover64
bragging-post62
authentication-bypass59
writeup55
access-control49
malware49
browser49
defi48
smart-contract47
ethereum44
open-source42
privilege-escalation39
ssrf38
sql-injection38
web337
cve35
ai-agents35
docker34
smart-contract-vulnerability33
aws31
dos31
react29
idor29
information-disclosure29
supply-chain29
api-security29
denial-of-service28
burp-suite26
clickjacking25
solidity25
phishing24
oauth24
web-security23
race-condition23
sqli23
wordpress23
node22
remote-code-execution22
vulnerability-disclosure22
automation21
responsible-disclosure21
0
7/10
A deep technical exploration of Linux page faults, mmap semantics at the physical page level, and userfaultfd for implementing lazy VM snapshot restore. The article explains how demand paging works, different mmap mapping types, KVM's multi-layer address translation, and how userspace can take over fault handling to optimize VM boot latency.
linux-kernel
virtual-memory
page-faults
mmap
userfaultfd
virtualization
kvm
vm-optimization
memory-management
demand-paging
snapshot-restore
firecracker
performance-tuning
Linux
KVM
Firecracker
Cloud Hypervisor
QEMU
userfaultfd
EPT
NPT
vhost-user
VFIO