Commit-ID: 07cde2608a3b5c66515363f1b53623b1536b9785 Gitweb: http://git.kernel.org/tip/07cde2608a3b5c66515363f1b53623b1536b9785 Author: Kees Cook <keescook@xxxxxxxxxxxx> AuthorDate: Thu, 15 Dec 2011 08:49:18 -0800 Committer: Ingo Molnar <mingo@xxxxxxx> CommitDate: Fri, 16 Dec 2011 09:42:09 +0100 sched: Add missing rcu_dereference() around ->real_parent usage Wrap another ->real_parent dereference while under rcu_read_lock. Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> Cc: Glauber Costa <glommer@xxxxxxxxxxxxx> Cc: Suresh Siddha <suresh.b.siddha@xxxxxxxxx> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> Link: http://lkml.kernel.org/r/20111215164918.GA13003@xxxxxxxxxxxxxxx [ tidied up the changelog ] Signed-off-by: Ingo Molnar <mingo@xxxxxxx> --- kernel/sched/core.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 3c5b21e..c7ea688 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4784,7 +4784,7 @@ void sched_show_task(struct task_struct *p) free = stack_not_used(p); #endif printk(KERN_CONT "%5lu %5d %6d 0x%08lx\n", free, - task_pid_nr(p), task_pid_nr(p->real_parent), + task_pid_nr(p), task_pid_nr(rcu_dereference(p->real_parent)), (unsigned long)task_thread_info(p)->flags); show_stack(p, NULL); -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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