On Thu, 15 Feb 2018, Kamil Jońca wrote:
> Recently I have to debug some program and got one line
>
> --8<---------------cut here---------------start------------->8---
> execve("..something...")
> brk(NULL) = 0x5564a8662000
> --8<---------------cut here---------------end--------------->8---
> surprised me
> I understand that brk (NULL) is called to get current break value but
> return value is far too high for me. Can anybody explain this?
That's actually about right for brk(), given an amd64 architecture.
You can actually cat /proc/$pid/maps; if you want to know what is really
going on there.
--
Don Armstrong https://www.donarmstrong.com
This can't be happening to me. I've got tenure.
-- James Hynes _Publish and Perish_
