bug#26227: grep critical local DoS from userspace

2017-03-23 Thread bloodman
null 3. crash (probably due to out of memory) ... damn... greetz, -- Tomasz 'BloodMan' Tomkowiak

bug#26227: grep critical local DoS from userspace

2017-03-24 Thread bloodman
t; pretty quickly, and doesn't even use 3MB of RSS: > $ dd status=none bs=1M count=1 of=big < /dev/zero && env time > grep -l x big > 3.69user 1.10system 0:04.81elapsed 99%CPU (0avgtext+0avgdata > 2388maxresident)k > 0inputs+0outputs (0major+102minor)pagefaults 0swaps -- Tomasz 'BloodMan' Tomkowiak