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Liang Chen

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titleconferencedate
To PRI or Not To PRI, That's the questionOSDI '252025-07-07
Software-only dynamic passthrough called VIO prevents device DMA page faults without hardware changes by inserting a shadow available queue and IOPA-snooping…
Talk
Evolution of Aegis: Fault Diagnosis for AI Model Training Service in ProductionNSDI '252025-04-28
Aegis is a production fault diagnosis system for AI model training that evolves from enhanced legacy tools to a customized collective communication library…
Talk on
HotRing: A Hotspot-Aware In-Memory Key-Value StoreFAST '202020-02-24
HotRing claims a 2.58× throughput win on highly skewed workloads by reordering hash chains into an ordered-ring hash and advancing per-bucket head pointers…
Talk on
Subverting Apple Graphics: Practical Approaches to Remotely Gaining RootBlack Hat USA 20162016-08-03
Demonstrates full exploit chains that turn sandboxed browser code into root on El Capitan by abusing WindowServer MIG IPC and IOAccelerator userclients…
Talk on
WebKit Everywhere: Secure or Not?Black Hat Europe 20142014-10-14
Shows a full exploitation chain that turns a CSS selector bug into reliable RCE on x64 Safari and a second demo targeting mobile apps, using a restrictive…
Talk on
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