Oleg Nesterov <[email protected]> writes:
> alloc_pid() does get_pid_ns() beforehand but forgets to put_pid_ns() > if it fails because disable_pid_allocation() was called by the exiting > child_reaper. > > We could simply move get_pid_ns() down to successful return, but this > fix tries to be as trivial as possible. > > Signed-off-by: Oleg Nesterov <[email protected]> > Cc: [email protected] Reviewed-by: "Eric W. Biederman" <[email protected]> > --- > kernel/pid.c | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-) > > diff --git a/kernel/pid.c b/kernel/pid.c > index 9b9a266..82430c8 100644 > --- a/kernel/pid.c > +++ b/kernel/pid.c > @@ -341,6 +341,8 @@ out: > > out_unlock: > spin_unlock_irq(&pidmap_lock); > + put_pid_ns(ns); > + > out_free: > while (++i <= ns->level) > free_pidmap(pid->numbers + i); -- 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/
