Messages in this thread | | | Date | Fri, 24 Dec 2010 17:40:43 +0100 | From | Miklos Vajna <> | Subject | Re: [PATCH] sched, cgroup: Use exit hook to avoid use-after-free crash |
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> Subject: sched, cgroup: Use exit hook to avoid use-after-free crash > > By not notifying the controller of the on-exit move back to > init_css_set, we fail to move the task out of the previous cgroup's > cfs_rq. This leads to an opportunity for a cgroup-destroy to come in and > free the cgroup (there are no active tasks left in it after all) to > which the not-quite dead task is still enqueued. > > Cc: stable@kernel.org > Reported-by: Miklos Vajna <vmiklos@frugalware.org> > Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> > --- > kernel/sched.c | 10 ++++++++++ > 1 files changed, 10 insertions(+), 0 deletions(-)
Thanks! :)
Reported-and-tested-by: Miklos Vajna <vmiklos@frugalware.org> [unhandled content-type:application/pgp-signature] | |