DeadlyFastGraph

The given patch applies to commit c40e806df2c49dac3049825cf48251a230296c6e on the WebKit git repository.

The release build running remote was built on Ubuntu 18.04, and it is running with the flag --useConcurrentJIT=false.

Run /readflag on the server once you get a shell to retrieve your flag.

Build Instructions (Debug)

git clone https://github.com/WebKit/WebKit.git
cd WebKit
git checkout c40e806df2c49dac3049825cf48251a230296c6e
patch -p1 < dfg.patch
Tools/Scripts/build-webkit --jsc-only --debug
cd WebKitBuild/Debug/bin

./jsc --useConcurrentJIT=false