Bug#797530: 32bit pie memory layout leaves only ~100MB between heap and stack
* Christoph Berg:
> More details:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1518483
Why do you consider this a security issue? Do you consider it an
availability issue?
I'm a bit confused why this shows up as a userspace allocation
failure. glibc should switch to mmap (creating another arena) if sbrk
fails. I thought we had logic for that in malloc, but the whole code
is kind of convoluted, so it is difficult to be sure.
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