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ANDROID: init_task: Init android vendor and oem data

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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>
This commit is contained in:
Maria Yu
2021-11-24 15:30:05 +08:00
committed by Todd Kjos
parent 3c54070823
commit 898e7ec950
2 changed files with 4 additions and 0 deletions
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2
init/init_task.c
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@@ -213,6 +213,8 @@ struct task_struct init_task
#ifdef CONFIG_SECCOMP_FILTER #ifdef CONFIG_SECCOMP_FILTER
.seccomp = { .filter_count = ATOMIC_INIT(0) }, .seccomp = { .filter_count = ATOMIC_INIT(0) },
#endif #endif
.android_vendor_data1 = {0, },
.android_oem_data1 = {0, },
}; };
EXPORT_SYMBOL(init_task); EXPORT_SYMBOL(init_task);

2
kernel/fork.c
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@@ -978,6 +978,8 @@ static struct task_struct *dup_task_struct(struct task_struct *orig, int node)
#ifdef CONFIG_MEMCG #ifdef CONFIG_MEMCG
tsk->active_memcg = NULL; tsk->active_memcg = NULL;
#endif #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); trace_android_vh_dup_task_struct(tsk, orig);
return tsk; return tsk;