Gitweb: http://git.kernel.org/linus/dea33cfd99022d82d923a0c6a3bd895fb6683fb2
Commit: dea33cfd99022d82d923a0c6a3bd895fb6683fb2
Parent: 48597760fad3d6a3e30a14241a3ce5ccb1a0e9bc
Author: Oleg Nesterov <oleg@redhat.com>
AuthorDate: Wed Jun 17 16:27:29 2009 -0700
Committer: Linus Torvalds <torvalds@linux-foundation.org>
CommitDate: Thu Jun 18 13:03:49 2009 -0700
ptrace: mm_need_new_owner: use ->real_parent to search in the siblings
"Search in the siblings" should use ->real_parent, not ->parent. If the
task is traced then ->parent == tracer, while the task's parent is always
->real_parent.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
kernel/exit.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/exit.c b/kernel/exit.c
index 533e5f8..213f906 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -590,7 +590,7 @@ retry:
/*
* Search in the siblings
*/
- list_for_each_entry(c, &p->parent->children, sibling) {
+ list_for_each_entry(c, &p->real_parent->children, sibling) {
if (c->mm == mm)
goto assign_new_owner;
}
--
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