From 898e7ec950c168e37ce8c27f6ca1d2cdea66b078 Mon Sep 17 00:00:00 2001
From: Maria Yu <quic_aiquny@quicinc.com>
Date: Wed, 24 Nov 2021 15:30:05 +0800
Subject: [PATCH] ANDROID: init_task: Init android vendor and oem data

Without initialization, it will be random data and hard for
vendor hook to decide.

Bug: 207739506
Change-Id: I278772d87eea38c03a40d4f0bef20ac8644e2ecd
Signed-off-by: Maria Yu <quic_aiquny@quicinc.com>
---
 init/init_task.c | 2 ++
 kernel/fork.c    | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/init/init_task.c b/init/init_task.c
index 8b08c2e19cbb..fba7fbed71dc 100644
--- a/init/init_task.c
+++ b/init/init_task.c
@@ -213,6 +213,8 @@ struct task_struct init_task
 #ifdef CONFIG_SECCOMP_FILTER
 	.seccomp	= { .filter_count = ATOMIC_INIT(0) },
 #endif
+	.android_vendor_data1 = {0, },
+	.android_oem_data1 = {0, },
 };
 EXPORT_SYMBOL(init_task);
 
diff --git a/kernel/fork.c b/kernel/fork.c
index c1771f539901..45f79721ebd5 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -978,6 +978,8 @@ static struct task_struct *dup_task_struct(struct task_struct *orig, int node)
 #ifdef CONFIG_MEMCG
 	tsk->active_memcg = NULL;
 #endif
+	memset(&tsk->android_vendor_data1, 0, sizeof(tsk->android_vendor_data1));
+	memset(&tsk->android_oem_data1, 0, sizeof(tsk->android_oem_data1));
 	trace_android_vh_dup_task_struct(tsk, orig);
 	return tsk;