[PATCH] csu: Disable zero-init on stack in libc-start.c [BZ #33112]

[Adhemerval Zanella Netto]

On 27/06/25 11:24, Wilco Dijkstra wrote:
> Hi Adhemerval,
> 
>> We have dl-symbol-redir-ifunc.h to avoid similar issues, where the autogenerated
>> calls to string routines should be routed to generic implementations.  Does
>> it work on libc-start.c?
> 
> Yes that works and is even simpler - it's odd that isn't included by default in all startup
> files... I've sent v2.
> 
> Also why doesn't it have memcpy and other ifuncs added in it?

I think it is because we haven't hit the same issue with memcpy/memmove/etc.
But the idea is to extend if/when compiler/code starts to trigger this.