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[MTE] Fix app_default property.

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We would decide after checking for TBI, which is enabled for most apps.

Test: add log statement to the case, check it gets triggered
Bug: 216305376
Change-Id: I79bd9e932ad2fb75a3b68dfa062bb3433fe4784e
This commit is contained in:
Florian Mayer
2022-02-10 17:06:59 -08:00
parent 26e6ae7142
commit 56167f5614
1 changed files with 6 additions and 5 deletions
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11
services/core/java/com/android/server/am/ProcessList.java
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@@ -1718,17 +1718,18 @@ public final class ProcessList {
return Zygote.MEMORY_TAG_LEVEL_NONE;
}
// Check to see that the compat feature for TBI is enabled.
if (mPlatformCompat.isChangeEnabled(NATIVE_HEAP_POINTER_TAGGING, app.info)) {
return Zygote.MEMORY_TAG_LEVEL_TBI;
}
String defaultLevel = SystemProperties.get("persist.arm64.memtag.app_default");
if ("sync".equals(defaultLevel)) {
return Zygote.MEMORY_TAG_LEVEL_SYNC;
} else if ("async".equals(defaultLevel)) {
return Zygote.MEMORY_TAG_LEVEL_ASYNC;
}
// Check to see that the compat feature for TBI is enabled.
if (mPlatformCompat.isChangeEnabled(NATIVE_HEAP_POINTER_TAGGING, app.info)) {
return Zygote.MEMORY_TAG_LEVEL_TBI;
}
return Zygote.MEMORY_TAG_LEVEL_NONE;
}