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https://github.com/Divested-Mobile/DivestOS-Build.git
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51 lines
2.1 KiB
Diff
51 lines
2.1 KiB
Diff
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Christopher Tate <ctate@google.com>
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Date: Mon, 7 Jun 2021 15:02:45 -0700
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Subject: [PATCH] Fix side effects of trace-ipc and dumpheap commands
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These shell commands were implicitly deleting any client-named file for
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which the system uid had deletion capability. They no longer do this,
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instead using only the client's own capabilities and file manipulation
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modes.
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Bug: 185398942
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Test: manual "adb shell cmd activity dumpheap system_server /data/system/last-fstrim"
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Test: atest CtsPermissionTestCases:ShellCommandPermissionTest
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[basilgello: Backport to LineageOS 14.1:
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- Adjust file name,
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- Do not remove file creation statements]
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Signed-off-by: Vasyl Gello <vasek.gello@gmail.com>
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Merged-In: Ie61ab2c3f4bfbd04de09ca99c1116d1129461e8f
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Change-Id: Ie61ab2c3f4bfbd04de09ca99c1116d1129461e8f
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(cherry picked from commit 6984eaa9f4a369228259047c2f797d022afb8f3b)
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---
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cmds/am/src/com/android/commands/am/Am.java | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/cmds/am/src/com/android/commands/am/Am.java b/cmds/am/src/com/android/commands/am/Am.java
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index 618a7ed34708..ebf3d0b8a8fc 100644
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--- a/cmds/am/src/com/android/commands/am/Am.java
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+++ b/cmds/am/src/com/android/commands/am/Am.java
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@@ -945,8 +945,8 @@ public class Am extends BaseCommand {
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ParcelFileDescriptor fd = null;
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try {
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+ // Writes an error message to stderr on failure
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File file = new File(filename);
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- file.delete();
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fd = openForSystemServer(file,
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ParcelFileDescriptor.MODE_CREATE |
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ParcelFileDescriptor.MODE_TRUNCATE |
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@@ -1094,8 +1094,8 @@ public class Am extends BaseCommand {
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ParcelFileDescriptor fd = null;
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try {
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+ // Writes an error message to stderr on failure
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File file = new File(heapFile);
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- file.delete();
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fd = openForSystemServer(file,
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ParcelFileDescriptor.MODE_CREATE |
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ParcelFileDescriptor.MODE_TRUNCATE |
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