This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: RFC: tunables failure indications...
On 10/12/19 9:55 pm, Carlos O'Donell wrote:
> Tunables are inherently functionality that the loader is brining online
> during process startup.
>
> It may be sensible to add a LD_DEBUG=tunables to that list and print more
> verbose tunables processing information?
That sounds reasonable.
>> As for (4), that's super-odd even with randomization. Is it possible
>> that somehow brk with ASLR enabled fails when the new brk end is not
>> page aligned?
>
> No, in the case DJ and I were looking at this was a static vs. ASLR vs.
> kernel VMA layout issue where we still have kernel issues on less
> maintstream architectures. We still need to fail safe in those cases
> and I think we should just shut the process down with appropriate error
> messages.
OK, I was just wondering if this was a kernel bug. Either ways,
shutting down with an error sounds good, preferably in the ld.so way
(i.e. write to stderr and _exit()) rather than a forced segfault.
Siddhesh