The patch titled
ptrace: mm_need_new_owner: use ->real_parent to search in the siblings
has been added to the -mm tree. Its filename is
ptrace-mm_need_new_owner-use-real_parent-to-search-in-the-siblings.patch
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------------------------------------------------------
Subject: ptrace: mm_need_new_owner: use ->real_parent to search in the siblings
From: Oleg Nesterov <oleg@xxxxxxxxxx>
"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@xxxxxxxxxx>
Acked-by: Roland McGrath <roland@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/exit.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN kernel/exit.c~ptrace-mm_need_new_owner-use-real_parent-to-search-in-the-siblings kernel/exit.c
--- a/kernel/exit.c~ptrace-mm_need_new_owner-use-real_parent-to-search-in-the-siblings
+++ a/kernel/exit.c
@@ -586,7 +586,7 @@ 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;
}
_
Patches currently in -mm which might be from oleg@xxxxxxxxxx are
slow_work_thread-should-do-the-exclusive-wait.patch
rework-fix-is_single_threaded.patch
getrusage-fill-ru_maxrss-value.patch
ptrace-remove-pt_dtrace-from-arch-h8300.patch
ptrace-remove-pt_dtrace-from-avr32-mn10300-parisc-s390-sh-xtensa.patch
ptrace-remove-pt_dtrace-from-m68k-m68knommu.patch
ptrace-remove-pt_dtrace-from-arch-m32r.patch
ptrace-mm_need_new_owner-use-real_parent-to-search-in-the-siblings.patch
ptrace-tracehook_unsafe_exec-remove-the-stale-comment.patch
signals-split-do_tkill.patch
signals-implement-sys_rt_tgsigqueueinfo.patch
x86-hookup-sys_rt_tgsigqueueinfo.patch
signals-tracehook_notify_jctl-change.patch
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