Re: [PATCH] set*uid() must not fail-and-return on OOM/rlimits
From: Michael Buesch
Date: Sun Aug 20 2006 - 12:44:51 EST
On Sunday 20 August 2006 18:28, Ulrich Drepper wrote:
> Arjan van de Ven wrote:
> > sounds like a good argument to get the setuid functions marked
> > __must_check in glibc...
> There are too many false positives. E.g., in a SUID binaries switching
> back from a non-root UID to root will not fail. Very common.
Well, I would say it clearly depends on the actual kernel
implementation if that can fail or not.
So userspace should really always check.
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