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Enable gwp-asan in system_server.

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Enables gwp-asan in system_server with a small probability, same as any
native process or system app.

Bug: 149991821
Test: kill system_server in a loop - find "GWP" in /proc/$PID/maps
      eventually
Change-Id: I3900f5d277d28987883a918d62fe9390c780ac30
(cherry picked from commit 2bb1dba5c7)
This commit is contained in:
Evgenii Stepanov
2020-03-06 15:56:59 -08:00
parent 6b7b2300c4
commit eeff2cf753
1 changed files with 4 additions and 0 deletions
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4
core/java/com/android/internal/os/ZygoteInit.java
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@@ -761,6 +761,10 @@ public class ZygoteInit {
* this is present in all ARMv8 CPUs; this flag has no effect on other platforms. */ * this is present in all ARMv8 CPUs; this flag has no effect on other platforms. */
parsedArgs.mRuntimeFlags |= Zygote.MEMORY_TAG_LEVEL_TBI; parsedArgs.mRuntimeFlags |= Zygote.MEMORY_TAG_LEVEL_TBI;
/* Enable gwp-asan on the system server with a small probability. This is the same
* policy as applied to native processes and system apps. */
parsedArgs.mRuntimeFlags |= Zygote.GWP_ASAN_LEVEL_LOTTERY;
if (shouldProfileSystemServer()) { if (shouldProfileSystemServer()) {
parsedArgs.mRuntimeFlags |= Zygote.PROFILE_SYSTEM_SERVER; parsedArgs.mRuntimeFlags |= Zygote.PROFILE_SYSTEM_SERVER;
} }