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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-10-16 10:33:54 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-10-16 10:33:54 +0200
commite4ed2b5370a2df2b1feeb970904d2f7761c241c9 (patch)
tree852b17dcc8ed1ca8f35771e8f06d660bdfc51804 /kernel/fork.c
parent4fcae770f3027abefd952c5d511ac6299828865a (diff)
parent33d930e59a98fa10a0db9f56c7fa2f21a4aef9b9 (diff)
Merge 4.14-rc5 into usb-next
We want the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index e702cb9ffbd85..07cc743698d36 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -215,6 +215,10 @@ static unsigned long *alloc_thread_stack_node(struct task_struct *tsk, int node)
if (!s)
continue;
+#ifdef CONFIG_DEBUG_KMEMLEAK
+ /* Clear stale pointers from reused stack. */
+ memset(s->addr, 0, THREAD_SIZE);
+#endif
tsk->stack_vm_area = s;
return s->addr;
}