Memory leak in HandleProxyFactory.kt DroidGuard class cache ClassLoader not Unloaded java.lang.UnsatisfiedLinkError Library already loaded in another classloader #2153
but DroidGuardHandleImpl.kt creates a new copy of the class everytime PlayIntegrity or Safetynet is checked so the previous DroidGuardClass cache never gets unloaded and you get error java.lang.UnsatisfiedLinkError Library already loaded in another classloader when you try to check PlayIntegrity or Safetynet multiple times
To Reproduce
1.) Install SPIC - Play Integrity Checker
2.) Check Integrity It works fine for the first time
3) Check Integrity Multiple time. It fails and crash occur internally on adb with error java.lang.UnsatisfiedLinkError Library already loaded in another classloader
Expected behavior
A clear and concise description of what you expected to happen.
Screenshots
If applicable, add screenshots to help explain your problem.
System
Android Version: 11
Custom ROM: LineageOS 18
Additional context
This was tested with official playstore
huwenkai26
commented
7 months ago
Describe the bug HandleProxyFactory keeps a cache of DroidGuardClass in classMap fun loadClass https://github.com/microg/GmsCore/blob/048a6e59f1cd9192eb614fb73db3304c058574cb/play-services-droidguard/core/src/main/kotlin/org/microg/gms/droidguard/core/HandleProxyFactory.kt#L214.
but DroidGuardHandleImpl.kt creates a new copy of the class everytime PlayIntegrity or Safetynet is checked so the previous DroidGuardClass cache never gets unloaded and you get error java.lang.UnsatisfiedLinkError Library already loaded in another classloader when you try to check PlayIntegrity or Safetynet multiple times
To Reproduce 1.) Install SPIC - Play Integrity Checker 2.) Check Integrity It works fine for the first time 3) Check Integrity Multiple time. It fails and crash occur internally on adb with error java.lang.UnsatisfiedLinkError Library already loaded in another classloader
Expected behavior A clear and concise description of what you expected to happen.
Screenshots If applicable, add screenshots to help explain your problem.
System Android Version: 11 Custom ROM: LineageOS 18
Additional context This was tested with official playstore