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59bf3b75c7
https://review.lineageos.org/c/LineageOS/android_frameworks_base/+/353117 https://review.lineageos.org/q/topic:Q_asb_2023-03 https://review.lineageos.org/q/topic:Q_asb_2023-04 https://review.lineageos.org/q/topic:Q_asb_2023-05 https://review.lineageos.org/q/topic:Q_asb_2023-06 https://review.lineageos.org/q/topic:Q_asb_2023-07 https://review.lineageos.org/q/topic:Q_asb_2023-08 accounted for via patches: https://review.lineageos.org/c/LineageOS/android_system_ca-certificates/+/376560 https://review.lineageos.org/c/LineageOS/android_system_ca-certificates/+/376561 https://review.lineageos.org/c/LineageOS/android_system_ca-certificates/+/376562 https://review.lineageos.org/q/topic:Q_asb_2023-09 https://review.lineageos.org/q/topic:Q_asb_2023-10 https://review.lineageos.org/q/topic:Q_asb_2023-11 accounted for via patches: https://review.lineageos.org/c/LineageOS/android_system_ca-certificates/+/376563 accounted for via manifest change: https://review.lineageos.org/c/LineageOS/android_external_webp/+/376568 https://review.lineageos.org/q/topic:Q_asb_2023-12 https://review.lineageos.org/q/topic:Q_asb_2024-01 https://review.lineageos.org/q/topic:Q_asb_2024-02 https://review.lineageos.org/q/topic:Q_asb_2024-03 Signed-off-by: Tavi <tavi@divested.dev>
42 lines
1.9 KiB
Diff
42 lines
1.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Michael Wright <michaelwr@google.com>
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Date: Mon, 26 Sep 2022 20:37:33 +0100
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Subject: [PATCH] Reconcile WorkSource parcel and unparcel code.
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Prior to this CL, WorkSources would Parcel their list of WorkChains as
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-1 if null, or the size of the list followed by the list itself if
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non-null. When reading it back in, on the other hand, they would check
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if the size was positive, and only then read the list from the Parcel.
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This works for all cases except when the WorkSource has an empty but
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non-null list of WorkChains as the list would get written to the parcel,
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but then never read on the other side.
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If parceling a list was a no-op when empty this wouldn't be an issue,
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but it must write at least its size into the parcel to know how many
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elements to extract. In the empty list case, this single element is left
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unread as the size is not positive which essentially corrupts any future
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items read from that same parcelable.
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Bug: 220302519
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Test: atest android.security.cts.WorkSourceTest#testWorkChainParceling
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Change-Id: I2fec40dfced420ca38e717059b0e95ee8ef9946a
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(cherry picked from commit 266b3bddcf14d448c0972db64b42950f76c759e3)
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Merged-In: I2fec40dfced420ca38e717059b0e95ee8ef9946a
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---
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core/java/android/os/WorkSource.java | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/core/java/android/os/WorkSource.java b/core/java/android/os/WorkSource.java
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index 0b4a56121038..4e7a280aa2c1 100644
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--- a/core/java/android/os/WorkSource.java
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+++ b/core/java/android/os/WorkSource.java
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@@ -114,7 +114,7 @@ public class WorkSource implements Parcelable {
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mNames = in.createStringArray();
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int numChains = in.readInt();
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- if (numChains > 0) {
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+ if (numChains >= 0) {
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mChains = new ArrayList<>(numChains);
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in.readParcelableList(mChains, WorkChain.class.getClassLoader());
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} else {
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