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From: Andreas Schwab <schwab@linux-m68k.org>
To: Tyson Whitehead via Libc-alpha <libc-alpha@sourceware.org>
Cc: Tyson Whitehead <twhitehead@gmail.com>
Subject: Re: Running via <ld.so> gives a different executable
References: <89538393-2014-85c6-2350-9f02847318a4@gmail.com>
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 <CAJbx2R6P8CCROZvpBK1m3J2TppQK7UpW8gVEH7S2quYMHD=TRg@mail.gmail.com>
X-Yow: I need to discuss BUY-BACK PROVISIONS with at least
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Date: Fri, 26 Feb 2021 22:23:35 +0100
In-Reply-To: <CAJbx2R6P8CCROZvpBK1m3J2TppQK7UpW8gVEH7S2quYMHD=TRg@mail.gmail.com>
 (Tyson Whitehead via Libc-alpha's message of "Fri, 26 Feb 2021
 16:08:05 -0500")
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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.

-- 
Andreas Schwab, schwab@linux-m68k.org
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"And now for something completely different."