diff options
| author | Rubin Xu <rubinxu@google.com> | 2021-08-09 17:03:34 +0100 |
|---|---|---|
| committer | Rubin Xu <rubinxu@google.com> | 2021-08-09 19:56:53 +0000 |
| commit | 906773a97f1a96e2eeb1758756c86d890e79c6d0 (patch) | |
| tree | 70208cd28f60aa427ecb3099303741f7f37edaeb /packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java | |
| parent | 9028f4992c7d1a0b41b92dbce7781fa8c1d34da8 (diff) | |
Attempt to clear memory after keyguard PIN entry
Force object finalization and garbage collection to remove shards
of user PIN from memory.
Bug: 189315376
Test: Unlock keyguard; take ramdump; search for PIN in the dump
Change-Id: I6d951babc225998d959669117c26f823f28fa706
Diffstat (limited to 'packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java')
| -rw-r--r-- | packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java index fde8213de0c6..dd7c7ea6b5a5 100644 --- a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java +++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityContainerController.java @@ -146,7 +146,9 @@ public class KeyguardSecurityContainerController extends ViewController<Keyguard try { Thread.sleep(5000); } catch (InterruptedException ignored) { } - Runtime.getRuntime().gc(); + System.gc(); + System.runFinalization(); + System.gc(); }); } else { SysUiStatsLog.write(SysUiStatsLog.KEYGUARD_BOUNCER_PASSWORD_ENTERED, |