bug-bounty372
xss309
google233
microsoft197
facebook190
apple133
exploit101
rce92
csrf79
account-takeover64
bragging-post62
authentication-bypass59
malware56
writeup55
browser50
access-control49
defi48
smart-contract47
ethereum44
open-source42
privilege-escalation39
sql-injection38
ssrf38
web337
cve37
ai-agents35
docker34
smart-contract-vulnerability33
dos32
aws31
supply-chain30
api-security29
information-disclosure29
react29
idor29
denial-of-service28
burp-suite26
clickjacking25
phishing25
solidity25
oauth24
race-condition23
web-security23
wordpress23
sqli23
node22
remote-code-execution22
vulnerability-disclosure22
automation21
cloudflare21
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