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Commit 12de0df1 authored by Mitch Phillips's avatar Mitch Phillips
Browse files

[GWP-ASan] Maybe initialise GWP-ASan from Zygote. 

Calls the GWP-ASan mallopt() to possibly install GWP-ASan for the zygote
child.

Bug: 135634846
Test: ??
Change-Id: I08d6797fa9b5ca10b97e0ab1efc2dc1c219c1b45
parent e1cebc75

core/jni/com_android_internal_os_Zygote.cpp

+6 −0
Original line number Diff line number Diff line
@@ -579,6 +579,12 @@ static void PreApplicationInit() { 


  // Set the jemalloc decay time to 1.

  mallopt(M_DECAY_TIME, 1);



  // Maybe initialize GWP-ASan here. Must be called after

  // mallopt(M_SET_ZYGOTE_CHILD).

  bool ForceEnableGwpAsan = false;

  android_mallopt(M_INITIALIZE_GWP_ASAN, &ForceEnableGwpAsan,

                  sizeof(ForceEnableGwpAsan));

}



static void SetUpSeccompFilter(uid_t uid, bool is_child_zygote) {