Currently working at Red Hat, Brno; infrequently contributing to glibc.
Earlier exploits (in reverse chronological order):
2 Switching RAM modules fixes boot hiccups. Why? may 9 '12
2 Detecting source of memory usage on a Linux box jan 10 '11
2 faster dd backup by differential copy jan 10 '11
1 SELinux transition from unconfined_r to user_r dec 12 '13
1 What is stable as Ubuntu in kernel space, but also cutting-edge as Fedora in user land? jan 10 '11