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Date: Mon, 11 Mar 2024 16:08:47 -0400
From: "Skyler Ferrante (RIT Student)" <sjf5462@....edu>
To: Rich Felker <dalias@...c.org>
Cc: Andreas Schwab <schwab@...e.de>, Alejandro Colomar <alx@...nel.org>, Thorsten Glaser <tg@...bsd.de>,
musl@...ts.openwall.com, NRK <nrk@...root.org>,
Guillem Jover <guillem@...rons.org>, libc-alpha@...rceware.org,
libbsd@...ts.freedesktop.org, "Serge E. Hallyn" <serge@...lyn.com>,
Iker Pedrosa <ipedrosa@...hat.com>, Christian Brauner <christian@...uner.io>
Subject: Re: Re: Tweaking the program name for <err.h> functions
Yup, I agree. My confusion was from an incorrect assumption that
non-suid / suid programs would be handled the same way. I knew that
strace wouldn't keep it setuid by I didn't realize glibc only checked
closed fds for suid programs (which makes sense, this doesn't matter
for non-privileged programs).
> application erroneously closes fd 2
And hopefully no program does that, and if it does, that's their fault :)
Skyler
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