[Bug manual/4017] environment cleaning of unsecvars by setuid/gid programs not documented

[ppluzhnikov at google dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=4017

Paul Pluzhnikov <ppluzhnikov at google dot com> changed:

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--- Comment #3 from Paul Pluzhnikov <ppluzhnikov at google dot com> 2012-05-07 00:10:49 UTC ---
(In reply to comment #2)
> This behavior is also non-conformant. The library should *ignore* such
> environment variables when the program was invoked as suid, but it should not
> prune them.

FWIW, I recently had to implement a "setuid(); execve();" wrapper entirely in
assembly, just so I could avoid this unsetting of LD_DEBUG, etc. by glibc.

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