On Fri, Dec 07, 2012 at 03:49:22PM +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. > > b40a7959 is the trivial bugfix, but unfortunately I forgot that > until 34b087e4 "freezer: kill unused set_freezable_with_signal()" > there were another only-for-kernel-threads flag, PF_FREEZER_NOSIG, > which should be cleared as well. > > See https://bugs.launchpad.net/ubuntu/+source/v86d/+bug/1080530 > The freezer fails because it expects that a PF_FREEZER_NOSIG task > doesn't need a signal. Before b40a7959 it wrongly succeeds leaving > the PF_NOFREEZE | PF_FREEZER_NOSIG task unfrozen. > > Reported-and-tested-by: Joseph Salisbury <[email protected]> > Cc: [email protected] # pre v3.3 if commit b40a7959 was taken
>From what I can tell, 3.0-stable didn't take this patch, so it should be fine. Ben, I don't know about 3.2, you should check this. Oleg, thanks for doing this work, much appreciated. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
