Add pip req arm64 - #5468
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Previously, `stack_symbolizer` bypassed symbolization on Windows, assuming Windows Clang ASan would provide provide symbolized stack traces through an online symbolizer. However, Windows Clang ASan's online symbolizer is flaky and could fail to restart the symbolizer. Chrome archives provide a `llvm-symbolizer.exe` for use but it's ignored in favor of online symbolizer on windows and tools extraction was not supported. ClusterFuzz also includes an `llvm-symbolizer.exe` but this acts as a fallback if one is not included or `USE_DEFAULT_LLVM_SYMBOLIZER = True`. Switches to offline symbolization for windows and updates `llvm-symbolizer.exe` tooling for Windows to LLVM 24. Adds support for extracting `llvm-symbolizer.exe` as a common file on `ChromeBuildArchive`s. Adds documentation for updating symbolizer binaries and adds unit testing that symbolization is performed on Windows. Tested that the changes don't crash on dev by uploading a testcase: https://gosst.development.clusterfuzz.com/testcase-detail/5136503223648256 b/552035861
…#5439) Bug: b/545195031 Since Android API level 30(and all apps targeting android 11+), apps have scoped storage access, and we can only give it external storage permissions at runtime [by a user facing dialog](https://developer.android.com/about/versions/11/privacy/storage#permissions-target-any). To avoid this, we now copy the testcases to the app's external app-specific storage , which is always readable by our app's package. We didn't noticed this issues because all test cases execute using `am start` which almost the 99% of the time returns no error codes, hence we though that the test case executed but that is not the case. Example for chrome: Previously, if we tried to execute our test case, the app would tell us it can't find the file(because of the read external storage permissions): <img width="2498" height="1393" alt="image" src="https://github.com/user-attachments/assets/f0054420-c6cd-4894-b642-29e1cc2904b9" /> But after this changes the html renders successfully! <img width="2566" height="1589" alt="image" src="https://github.com/user-attachments/assets/28e67cc6-b372-4d33-a070-c1f555bc4881" /> Learn more: - https://developer.android.com/about/versions/11/privacy/storage - https://developer.android.com/training/data-storage#scoped-storage #### Alternative - The other alternative is to serve the testcases html/js/css files trough a simple localhost server trough `adb reverse tcp:8000 tcp:8000`, this is what we usually do in regular chrome tests, clusterfuzz already support's this, and this is controlled by the fuzzer, not by the job, if the fuzzer testcases have the 'http' word in the filename then clusterfuzz will serve them trough http, but i think nevertheless we need to make this change to keep our options open for any case we don't want to serve them trough http. ## Changes - Always pushes files to this directory `/sdcard/Android/data/{PKG_NAME}/files/` which is always reable by the given app. - Dynamically calculate the Test case directory based off the app's pkg - no longer allows the job to override DEVICE_TESTCASES_DIR - Now at fuzz session setup we clean from `/sdcard/Android/data/{PKG_NAME}/files/*`.
Signed-off-by: Manuel Briones <manuelbriones@google.com>
JuanMBriones
added this pull request to stack #5469
September 11, 2026 19:47
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