[Bug nptl/3270] Setuid implementation has races and lockups

["drow at sources dot redhat dot com" <sourceware-bugzilla at sourceware dot org>]

------- Additional Comments From drow at sources dot redhat dot com  2006-09-27 15:41 -------
Created an attachment (id=1330)
 --> (http://sourceware.org/bugzilla/attachment.cgi?id=1330&action=view)
Patch.

This patch fixes the problem; testsuite run on x86_64-pc-linux-gnu, no
regressions.  It makes the setuid path slightly slower but has no effect on the
non-setuid path, unlike my earlier attempts.

An earlier version of this patch with more assertions triggered this kernel
bug:
  http://bugzilla.kernel.org/show_bug.cgi?id=7210

A fix to that is not necessary for this version of the patch, but I recommend
it anyway.

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=3270

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