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33 lines
1.6 KiB
Diff
33 lines
1.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Rhed Jao <rhedjao@google.com>
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Date: Mon, 26 Sep 2022 21:35:26 +0800
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Subject: [PATCH] Fix permanent denial of service via
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setComponentEnabledSetting
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Do not update invalid component enabled settings to prevent the
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malicious apps from exhausting system server memory.
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Bug: 240936919
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Test: atest android.security.cts.PackageManagerTest
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Change-Id: I08165337895e89f13a2b9fcce1201cba9ad13d7d
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(cherry picked from commit 4d13148a3fa5f6bc1b7038fae7d1f1adda163a9f)
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Merged-In: I08165337895e89f13a2b9fcce1201cba9ad13d7d
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---
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.../core/java/com/android/server/pm/PackageManagerService.java | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
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index aefbb8d25e49..9c59ecddee96 100644
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--- a/services/core/java/com/android/server/pm/PackageManagerService.java
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+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
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@@ -22483,6 +22483,9 @@ Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName());
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} else {
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Slog.w(TAG, "Failed setComponentEnabledSetting: component class "
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+ className + " does not exist in " + packageName);
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+ // Safetynet logging for b/240936919
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+ EventLog.writeEvent(0x534e4554, "240936919", callingUid);
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+ return;
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}
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}
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switch (newState) {
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