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Add initial tombstone parser

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This supports parsing tombstone files from Android bugreports. The parser
can load both the legacy text format and the new binary protobuf format.
This commit is contained in:
Donncha Ó Cearbhaill
2025-02-06 20:07:05 +01:00
parent 02c02ca15c
commit b7595b62eb
6 changed files with 338 additions and 42 deletions
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tests/android/test_artifact_tombstones.py
+51 -26
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@@ -2,39 +2,64 @@
# Copyright (c) 2021-2023 The MVT Authors.
# Use of this software is governed by the MVT License 1.1 that can be found at
# https://license.mvt.re/1.1/
import os
import datetime
import pytest
from mvt.android.artifacts.tombstone_crashes import TombstoneCrashArtifact
from mvt.android.parsers.proto.tombstone import Tombstone
from ..utils import get_artifact
class TestTombstoneCrashArtifact:
# def test_tombtone_process_parsing(self):
# tombstone_artifact = TombstoneCrashArtifact()
# file = get_artifact("android_data/tombstone_process.txt")
# with open(file, "rb") as f:
# data = f.read()
# tombstone_artifact.parse_text(data)
# assert len(tombstone_artifact.results) == 1
# def test_tombtone_kernel_parsing(self):
# tombstone_artifact = TombstoneCrashArtifact()
# file = get_artifact("android_data/tombstone_kernel.txt")
# with open(file, "rb") as f:
# data = f.read()
# tombstone_artifact.parse_text(data)
# assert len(tombstone_artifact.results) == 1
def test_tombstone_pb_process_parsing(self):
file = get_artifact("android_data/tombstone_process.pb")
def test_tombtone_process_parsing(self):
tombstone_artifact = TombstoneCrashArtifact()
artifact_path = "android_data/tombstone_process.txt"
file = get_artifact(artifact_path)
with open(file, "rb") as f:
data = f.read()
parsed_tombstone = Tombstone().parse(data)
assert parsed_tombstone
assert parsed_tombstone.command_line == ["/vendor/bin/hw/android.hardware.media.c2@1.2-mediatek"]
assert parsed_tombstone.uid == 1046
assert parsed_tombstone.timestamp == "2023-04-12 12:32:40.518290770+0200"
# Pass the file name and timestamp to the parse method
file_name = os.path.basename(artifact_path)
file_timestamp = datetime.datetime(2023, 4, 12, 12, 32, 40, 518290)
tombstone_artifact.parse(file_name, file_timestamp, data)
assert len(tombstone_artifact.results) == 1
self.validate_tombstone_result(tombstone_artifact.results[0])
def test_tombstone_pb_process_parsing(self):
tombstone_artifact = TombstoneCrashArtifact()
artifact_path = "android_data/tombstone_process.pb"
file = get_artifact(artifact_path)
with open(file, "rb") as f:
data = f.read()
file_name = os.path.basename(artifact_path)
file_timestamp = datetime.datetime(2023, 4, 12, 12, 32, 40, 518290)
tombstone_artifact.parse_protobuf(file_name, file_timestamp, data)
assert len(tombstone_artifact.results) == 1
self.validate_tombstone_result(tombstone_artifact.results[0])
@pytest.mark.skip(reason="Not implemented yet")
def test_tombtone_kernel_parsing(self):
tombstone_artifact = TombstoneCrashArtifact()
file = get_artifact("android_data/tombstone_kernel.txt")
with open(file, "rb") as f:
data = f.read()
tombstone_artifact.parse_text(data)
assert len(tombstone_artifact.results) == 1
def validate_tombstone_result(self, tombstone_result: dict):
assert tombstone_result.get("command_line") == [
"/vendor/bin/hw/android.hardware.media.c2@1.2-mediatek"
]
assert tombstone_result.get("uid") == 1046
assert tombstone_result.get("pid") == 25541
assert tombstone_result.get("process_name") == "mtk.ape.decoder"
# Check if the timestamp is correctly parsed, and converted to UTC
# Original is in +0200: 2023-04-12 12:32:40.518290770+0200, result should be 2023-04-12 10:32:40.000000+0000
assert tombstone_result.get("timestamp") == "2023-04-12 10:32:40.000000"