On Fri, 2012-12-07 at 15:49 +0100, Oleg Nesterov wrote:

This patch is only for pre-v3.3 stable trees which backported
b40a7959 "freezer: exec should clear PF_NOFREEZE along with PF_KTHREAD".
v3.3+ doesn't need this fix.

[...]

Thanks very much, I've added this to the queue for 3.2.  However, in 3.2
PF_FORKNOEXEC is cleared by the binfmt code and not in fs/exec.c, and I
left that as it is.

Ben.

-- 
Ben Hutchings
It is impossible to make anything foolproof because fools are so ingenious.