Re: [PATCH 4/4] exec: Properly preallocate address space

[Samuel Thibault]

Hello,

Sergey Bugaev, le lun. 26 juin 2023 02:11:37 +0300, a ecrit:
> @@ -1297,17 +1274,6 @@ do_exec (file_t file,
>        finish (&interp, 1);
>      }
>  
> -
> -  /* Leave room for mmaps etc. before PIE binaries.
> -   * Could add address randomization here.  */
> -  anywhere_start += 128 << 20;

This doesn't seem to appear any more in the result?

We need this area for mmap to go somewhere that hopefully doesn't
conflict with the brk.

Samuel