Running via <ld.so> gives a different executable

[Andreas Schwab]

On Feb 26 2021, Tyson Whitehead via Libc-alpha wrote:

> From the prctrl man page, it sounded like
>
> prctl(PR_SET_MM_EXE_FILE, ...)
>
> would let you do this once for Linux 3.5-4.9 and multiple times for 4.10+.

Thanks, I didn't know about that prctl.  But it cannot be used, as it
forbids changing the exe file if the original file is still mapped.

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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