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- Subject: Re: Stack overflow in lsys_load (lua/loadlib.c:134)
- From: Ką Mykolas <kamicc@...>
- Date: Sat, 5 Sep 2020 00:06:03 +0300
On Fri, Sep 4, 2020 at 10:58 PM Roberto Ierusalimschy
<roberto@inf.puc-rio.br> wrote:
>
> > > Stack overflow in lsys_load (lua/loadlib.c:134)
> > >
> > > [...]
Valgrind on this matter:
> ==15401== Warning: client switching stacks? SP change: 0x1ffeffd8a0 --> 0x1ffe801aa0
> ==15401== to suppress, use: --max-stackframe=8371712 or greater
> ==15401== Stack overflow in thread #1: can't grow stack to 0x1ffe801000
> ==15401==
> ==15401== Process terminating with default action of signal 11 (SIGSEGV)
> ==15401== Access not within mapped region at address 0x1FFE801A98
> ==15401== Stack overflow in thread #1: can't grow stack to 0x1ffe801000
> ==15401== at 0x40062B6: open_path (dl-load.c:1963)
So, I wonder if it refers to some kind of "optimisation" putting the
whole darn string onto the stack instead of passing it by the address.
