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test_breakpad.py
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test_breakpad.py
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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at https://mozilla.org/MPL/2.0/.
import copy
import json
from unittest import mock
from markus.testing import MetricsMock
import pytest
from socorro.lib.libsocorrodataschema import get_schema, validate_instance
from socorro.processor.pipeline import Status
from socorro.processor.rules.breakpad import (
execute_process,
CrashingThreadInfoRule,
HasGuardPageAccessRule,
MinidumpSha256HashRule,
MinidumpStackwalkRule,
PossibleBitFlipsRule,
TruncateStacksRule,
)
PROCESSED_CRASH_SCHEMA = get_schema("processed_crash.schema.yaml")
example_uuid = "00000000-0000-0000-0000-000002140504"
canonical_standard_raw_crash = {
"uuid": example_uuid,
"InstallTime": "1335439892",
"AdapterVendorID": "0x1002",
"TotalVirtualMemory": "4294836224",
"Comments": "why did my browser crash? #fail",
"Theme": "classic/1.0",
"Version": "12.0",
"Vendor": "Mozilla",
"EMCheckCompatibility": "true",
"id": "{ec8030f7-c20a-464f-9b0e-13a3a9e97384}",
"buildid": "20120420145725",
"AvailablePageFile": "10641510400",
"version": "12.0",
"AdapterDeviceID": "0x7280",
"ReleaseChannel": "release",
"submitted_timestamp": "2012-05-08T23:26:33.454482+00:00",
"URL": "http://www.mozilla.com",
"Notes": (
"AdapterVendorID: 0x1002, AdapterDeviceID: 0x7280, "
"AdapterSubsysID: 01821043, "
"AdapterDriverVersion: 8.593.100.0\nD3D10 Layers? D3D10 "
"Layers- D3D9 Layers? D3D9 Layers- "
),
"CrashTime": "1336519554",
"AvailablePhysicalMemory": "2227773440",
"StartupTime": "1336499438",
"Add-ons": (
"adblockpopups@jessehakanen.net:0.3,"
"dmpluginff%40westbyte.com:1%2C4.8,"
"firebug@software.joehewitt.com:1.9.1,"
"killjasmin@pierros14.com:2.4,"
"support@surfanonymous-free.com:1.0,"
"uploader@adblockfilters.mozdev.org:2.1,"
"{a0d7ccb3-214d-498b-b4aa-0e8fda9a7bf7}:20111107,"
"{d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}:2.0.3,"
"anttoolbar@ant.com:2.4.6.4,"
"{972ce4c6-7e08-4474-a285-3208198ce6fd}:12.0,"
"elemhidehelper@adblockplus.org:1.2.1"
),
"BuildID": "20120420145725",
"SecondsSinceLastCrash": "86985",
"ProductName": "Firefox",
"AvailableVirtualMemory": "3812708352",
"SystemMemoryUsePercentage": "48",
"ProductID": "{ec8030f7-c20a-464f-9b0e-13a3a9e97384}",
"Distributor": "Mozilla",
"Distributor_version": "12.0",
}
canonical_stackwalker_output = {
"crash_info": {
"address": "0x0000000000000000",
"crashing_thread": 0,
"type": "EXC_BAD_ACCESS / KERN_INVALID_ADDRESS",
},
"crashing_thread": {
"frames": [
{
"file": "hg:hg.mozilla.org/releases/mozilla-release:memory/mozjemalloc/jemalloc.c:44234f451065", # noqa
"frame": 0,
"function": "arena_malloc",
"function_offset": "0x1e3",
"line": 3067,
"module": "libmozglue.dylib",
"module_offset": "0x7883",
"offset": "0x10000e883",
"registers": {
"r10": "0x0000000000000003",
"r11": "0x0000000117fa0400",
"r12": "0x0000000000000020",
"r13": "0x0000000100200210",
"r14": "0x0000000000000000",
"r15": "0x0000000100200040",
"r8": "0x0000000100200040",
"r9": "0x000000000000000e",
"rax": "0x0000000100200220",
"rbp": "0x0000000000000020",
"rbx": "0x0000000000000020",
"rcx": "0x0000000000000000",
"rdi": "0x0000000100200218",
"rdx": "0x0000000000000000",
"rip": "0x000000010000e883",
"rsi": "0x0000000000000020",
"rsp": "0x00007fff5fbfc170",
},
"trust": "context",
},
{
"file": "hg:hg.mozilla.org/releases/mozilla-release:memory/mozjemalloc/jemalloc.c:44234f451065", # noqa
"frame": 1,
"function": "je_realloc",
"function_offset": "0x5a1",
"line": 4752,
"module": "libmozglue.dylib",
"module_offset": "0x2141",
"offset": "0x100009141",
"trust": "cfi",
},
{
"frame": 2,
"function": "malloc_zone_realloc",
"function_offset": "0x5b",
"module": "libSystem.B.dylib",
"module_offset": "0x8b7a",
"offset": "0x7fff82a27b7a",
"trust": "context",
},
{
"file": "hg:hg.mozilla.org/releases/mozilla-release:memory/mozjemalloc/jemalloc.c:44234f451065", # noqa
"frame": 1,
"function": "je_realloc",
"function_offset": "0x5a1",
"line": 4752,
"module": "libmozglue.dylib",
"module_offset": "0x2141",
"offset": "0x100009141",
"trust": "cfi",
},
{
"frame": 2,
"function": "malloc_zone_realloc",
"function_offset": "0x5b",
"module": "libSystem.B.dylib",
"module_offset": "0x8b7a",
"offset": "0x7fff82a27b7a",
},
]
},
"status": "OK",
"system_info": {
"cpu_arch": "amd64",
"cpu_count": 2,
"cpu_info": "family 6 model 23 stepping 10",
"os": "Mac OS X",
"os_ver": "10.6.8 10K549",
},
"thread_count": 48,
# ...
}
canonical_stackwalker_output_str = json.dumps(canonical_stackwalker_output)
def test_execute_process():
ret = execute_process("echo foo")
assert ret["stdout"] == b"foo\n"
assert ret["stderr"] == b""
assert ret["returncode"] == 0
def test_execute_process_timeout():
ret = execute_process("sleep 10", timeout=1)
assert ret["stdout"] == b""
assert ret["stderr"] == b""
assert ret["returncode"] == -9
class TestCrashingThreadInfoRule:
@pytest.mark.parametrize(
"json_dump, expected",
[
# Test basic case
(
{
"crash_info": {
"crashing_thread": 0,
"address": "0x00007fff0b54a5d7",
"type": "EXC_BAD_ACCESS / KERN_INVALID_ADDRESS",
},
"crashing_thread": {
"thread_name": "MainThread",
},
},
{
"crashing_thread": 0,
"crashing_thread_name": "MainThread",
"address": "0x00007fff0b54a5d7",
"reason": "EXC_BAD_ACCESS / KERN_INVALID_ADDRESS",
},
),
# json_dump is missing
(
None,
{},
),
# empty json_dump
(
{},
{
"crashing_thread": None,
"crashing_thread_name": None,
"address": None,
"reason": "",
},
),
],
)
def test_scenarios(self, tmp_path, json_dump, expected):
raw_crash = copy.deepcopy(canonical_standard_raw_crash)
dumps = {}
if json_dump is None:
processed_crash = {}
else:
processed_crash = {"json_dump": json_dump}
expected["json_dump"] = json_dump
validate_instance(processed_crash, PROCESSED_CRASH_SCHEMA)
status = Status()
rule = CrashingThreadInfoRule()
rule.act(raw_crash, dumps, processed_crash, str(tmp_path), status)
assert processed_crash == expected
@pytest.mark.parametrize(
"json_dump, expected",
[
# use "address" value if "adjusted_address" doesn't exist
(
{
"crash_info": {
"crashing_thread": 0,
"address": "0x00007fff0b54a5d7",
"type": "EXC_BAD_ACCESS / KERN_INVALID_ADDRESS",
},
"crashing_thread": {
"thread_name": "MainThread",
},
},
{
"crashing_thread": 0,
"crashing_thread_name": "MainThread",
"address": "0x00007fff0b54a5d7",
"reason": "EXC_BAD_ACCESS / KERN_INVALID_ADDRESS",
},
),
# use "address" value if "adjusted_address" is null
(
{
"crash_info": {
"crashing_thread": 0,
"address": "0x00007fff0b54a5d7",
"adjusted_address": None,
"type": "EXC_BAD_ACCESS / KERN_INVALID_ADDRESS",
},
"crashing_thread": {
"thread_name": "MainThread",
},
},
{
"crashing_thread": 0,
"crashing_thread_name": "MainThread",
"address": "0x00007fff0b54a5d7",
"reason": "EXC_BAD_ACCESS / KERN_INVALID_ADDRESS",
},
),
# use null (32-bit) if adjusted_address.kind is "null-pointer"
(
{
"crash_info": {
"crashing_thread": 0,
"address": "0x00000048",
"adjusted_address": {
"kind": "null-pointer",
"offset": "0x00000048",
},
"type": "EXCEPTION_ACCESS_VIOLATION_READ",
},
"crashing_thread": {
"thread_name": "MainThread",
},
},
{
"crashing_thread": 0,
"crashing_thread_name": "MainThread",
"address": "0x00000000",
"reason": "EXCEPTION_ACCESS_VIOLATION_READ",
},
),
# use null (64-bit) if adjusted_address.kind is "null-pointer"
(
{
"crash_info": {
"crashing_thread": 0,
"address": "0x0000000000000048",
"adjusted_address": {
"kind": "null-pointer",
"offset": "0x0000000000000048",
},
"type": "EXCEPTION_ACCESS_VIOLATION_READ",
},
"crashing_thread": {
"thread_name": "MainThread",
},
},
{
"crashing_thread": 0,
"crashing_thread_name": "MainThread",
"address": "0x0000000000000000",
"reason": "EXCEPTION_ACCESS_VIOLATION_READ",
},
),
# use adjusted_address.address if adjusted_address.kind is "non-canonical"
(
{
"crash_info": {
"crashing_thread": 0,
"address": "0xffffffffffffffff",
"adjusted_address": {
"address": "0xe5e5e5e5e5e5e61d",
"kind": "non-canonical",
},
"type": "EXCEPTION_ACCESS_VIOLATION_READ",
},
"crashing_thread": {
"thread_name": "MainThread",
},
},
{
"crashing_thread": 0,
"crashing_thread_name": "MainThread",
"address": "0xe5e5e5e5e5e5e61d",
"reason": "EXCEPTION_ACCESS_VIOLATION_READ",
},
),
],
)
def test_address_scenarios(self, tmp_path, json_dump, expected):
raw_crash = copy.deepcopy(canonical_standard_raw_crash)
dumps = {}
if json_dump is None:
processed_crash = {}
else:
processed_crash = {"json_dump": json_dump}
expected["json_dump"] = json_dump
validate_instance(processed_crash, PROCESSED_CRASH_SCHEMA)
status = Status()
rule = CrashingThreadInfoRule()
rule.act(raw_crash, dumps, processed_crash, str(tmp_path), status)
assert processed_crash == expected
class TestHasGuardPageAccessRule:
def test_no_data(self, tmp_path):
raw_crash = {}
dumps = {}
processed_crash = {}
status = Status()
rule = HasGuardPageAccessRule()
rule.act(raw_crash, dumps, processed_crash, str(tmp_path), status)
assert "has_guard_page_access" not in processed_crash
def test_no_memory_accesses(self, tmp_path):
raw_crash = {}
dumps = {}
processed_crash = {"json_dump": {"crash_info": {"memory_accesses": []}}}
status = Status()
rule = HasGuardPageAccessRule()
rule.act(raw_crash, dumps, processed_crash, str(tmp_path), status)
assert "has_guard_page_access" not in processed_crash
def test_false(self, tmp_path):
raw_crash = {}
dumps = {}
processed_crash = {
"json_dump": {
"crash_info": {"memory_accesses": [{"is_likely_guard_page": False}, {}]}
}
}
status = Status()
rule = HasGuardPageAccessRule()
rule.act(raw_crash, dumps, processed_crash, str(tmp_path), status)
assert "has_guard_page_access" not in processed_crash
def test_first_true(self, tmp_path):
raw_crash = {}
dumps = {}
processed_crash = {
"json_dump": {
"crash_info": {
"memory_accesses": [
{"is_likely_guard_page": False},
{},
{"is_likely_guard_page": True},
]
}
}
}
status = Status()
rule = HasGuardPageAccessRule()
rule.act(raw_crash, dumps, processed_crash, str(tmp_path), status)
assert processed_crash["has_guard_page_access"] is True
class TestPossibleBitFlipsRule:
def test_no_data(self, tmp_path):
raw_crash = {}
dumps = {}
processed_crash = {}
status = Status()
rule = PossibleBitFlipsRule()
rule.act(raw_crash, dumps, processed_crash, str(tmp_path), status)
assert "possible_bit_flips_max_confidence" not in processed_crash
def test_null(self, tmp_path):
raw_crash = {}
dumps = {}
processed_crash = {"json_dump": {"crash_info": {"possible_bit_flips": None}}}
status = Status()
rule = PossibleBitFlipsRule()
rule.act(raw_crash, dumps, processed_crash, str(tmp_path), status)
assert "possible_bit_flips_max_confidence" not in processed_crash
def test_empty_array(self, tmp_path):
raw_crash = {}
dumps = {}
processed_crash = {"json_dump": {"crash_info": {"possible_bit_flips": []}}}
status = Status()
rule = PossibleBitFlipsRule()
rule.act(raw_crash, dumps, processed_crash, str(tmp_path), status)
assert "possible_bit_flips_max_confidence" not in processed_crash
def test_max(self, tmp_path):
raw_crash = {}
dumps = {}
processed_crash = {
"json_dump": {
"crash_info": {
"possible_bit_flips": [
{
"address": "0x00007ffdaf60bf90",
"confidence": 0.625,
"details": {
"is_null": False,
"nearby_registers": 1,
"poison_registers": False,
"was_low": False,
"was_non_canonical": False,
},
"source_register": None,
},
{
"address": "0x00007ffdaf60ef90",
"confidence": 0.25,
"details": {
"is_null": False,
"nearby_registers": 0,
"poison_registers": False,
"was_low": False,
"was_non_canonical": False,
},
"source_register": None,
},
]
}
}
}
status = Status()
rule = PossibleBitFlipsRule()
rule.act(raw_crash, dumps, processed_crash, str(tmp_path), status)
# NOTE(willkg): max is int(0.625 * 100)
assert processed_crash["possible_bit_flips_max_confidence"] == 62
class TestTruncateStacksRule:
def test_truncate_json_dump(self, tmp_path):
frames = [
{
"frame": 0,
"file": "hg:hg.mozilla.org/000",
"function": "js::something",
"function_offset": "0x00",
"line": 1000,
"module": "xul.dll",
"module_offset": "0x000000",
"offset": "0x00000000",
"registers": {
"eax": "0x00000001",
"ebp": "0x00000002",
"ebx": "0x00000003",
"ecx": "0x00000004",
"edi": "0x00000005",
"edx": "0x00000006",
"efl": "0x00000007",
"eip": "0x00000008",
"esi": "0x00000009",
"esp": "0x0000000a",
},
"trust": "context",
},
{
"frame": 1,
"file": "hg:hg.mozilla.org/bbb",
"function": "js::somethingelse",
"function_offset": "0xbb",
"line": 1001,
"module": "xul.dll",
"module_offset": "0xbbbbbb",
"offset": "0xbbbbbbbb",
"trust": "frame_pointer",
},
]
# Now we make the stack 1,002 frames long
frame_template = frames[-1]
for i in range(1000):
new_frame = copy.deepcopy(frame_template)
new_frame["frame"] = i + 2
frames.append(new_frame)
raw_crash = {}
dumps = {}
processed_crash = {
"json_dump": {
"crashing_thread": {
"threads_index": 0,
"frame_count": len(frames),
"frames": copy.deepcopy(frames),
},
"threads": [
{
"frame_count": len(frames),
"frames": copy.deepcopy(frames),
},
{
"frame_count": 100,
"frames": copy.deepcopy(frames)[0:100],
},
],
"modules": [],
}
}
validate_instance(instance=processed_crash, schema=PROCESSED_CRASH_SCHEMA)
status = Status()
rule = TruncateStacksRule()
rule.act(raw_crash, dumps, processed_crash, str(tmp_path), status)
json_dump = processed_crash["json_dump"]
# Check crashing thread is truncated
assert len(json_dump["crashing_thread"]["frames"]) == 500
assert json_dump["crashing_thread"]["truncated"] is True
assert json_dump["threads"][0]["frames"][250] == {
"truncated": {"msg": "502 frames truncated"}
}
# Check thread 0 is truncated
assert len(json_dump["threads"][0]["frames"]) == 500
assert json_dump["threads"][0]["truncated"] is True
assert json_dump["threads"][0]["frames"][250] == {
"truncated": {"msg": "502 frames truncated"}
}
# Check thread 1 is not truncated
assert len(json_dump["threads"][1]["frames"]) == 100
assert "truncated" not in json_dump["threads"][1]
validate_instance(instance=processed_crash, schema=PROCESSED_CRASH_SCHEMA)
def test_truncate_upload_file_minidump_browser(self, tmp_path):
frames = [
{
"frame": 0,
"file": "hg:hg.mozilla.org/000",
"function": "js::something",
"function_offset": "0x00",
"line": 1000,
"module": "xul.dll",
"module_offset": "0x000000",
"offset": "0x00000000",
"registers": {
"eax": "0x00000001",
"ebp": "0x00000002",
"ebx": "0x00000003",
"ecx": "0x00000004",
"edi": "0x00000005",
"edx": "0x00000006",
"efl": "0x00000007",
"eip": "0x00000008",
"esi": "0x00000009",
"esp": "0x0000000a",
},
"trust": "context",
},
{
"frame": 1,
"file": "hg:hg.mozilla.org/bbb",
"function": "js::somethingelse",
"function_offset": "0xbb",
"line": 1001,
"module": "xul.dll",
"module_offset": "0xbbbbbb",
"offset": "0xbbbbbbbb",
"trust": "frame_pointer",
},
]
# Now we make the stack 1,002 frames long
frame_template = frames[-1]
for i in range(1000):
new_frame = copy.deepcopy(frame_template)
new_frame["frame"] = i + 2
frames.append(new_frame)
raw_crash = {}
dumps = {}
processed_crash = {
"upload_file_minidump_browser": {
"json_dump": {
"crashing_thread": {
"threads_index": 0,
"frame_count": len(frames),
"frames": copy.deepcopy(frames),
},
"threads": [
{
"frame_count": len(frames),
"frames": copy.deepcopy(frames),
},
{
"frame_count": 100,
"frames": copy.deepcopy(frames)[0:100],
},
],
"modules": [],
}
}
}
validate_instance(instance=processed_crash, schema=PROCESSED_CRASH_SCHEMA)
status = Status()
rule = TruncateStacksRule()
rule.act(raw_crash, dumps, processed_crash, str(tmp_path), status)
json_dump = processed_crash["upload_file_minidump_browser"]["json_dump"]
# Check crashing thread is truncated
assert len(json_dump["crashing_thread"]["frames"]) == 500
assert json_dump["crashing_thread"]["truncated"] is True
assert json_dump["threads"][0]["frames"][250] == {
"truncated": {"msg": "502 frames truncated"}
}
# Check thread 0 is truncated
assert len(json_dump["threads"][0]["frames"]) == 500
assert json_dump["threads"][0]["truncated"] is True
assert json_dump["threads"][0]["frames"][250] == {
"truncated": {"msg": "502 frames truncated"}
}
# Check thread 1 is not truncated
assert len(json_dump["threads"][1]["frames"]) == 100
assert "truncated" not in json_dump["threads"][1]
validate_instance(instance=processed_crash, schema=PROCESSED_CRASH_SCHEMA)
class TestMinidumpSha256HashRule:
def test_no_dump_checksum(self, tmp_path):
raw_crash = {}
dumps = {}
processed_crash = {}
status = Status()
rule = MinidumpSha256HashRule()
rule.act(raw_crash, dumps, processed_crash, str(tmp_path), status)
assert processed_crash["minidump_sha256_hash"] == ""
def test_copy_over(self, tmp_path):
raw_crash = {"metadata": {"dump_checksums": {"upload_file_minidump": "hash"}}}
dumps = {}
processed_crash = {}
status = Status()
rule = MinidumpSha256HashRule()
rule.act(raw_crash, dumps, processed_crash, str(tmp_path), status)
assert processed_crash["minidump_sha256_hash"] == "hash"
class ProcessCompletedMock:
def __init__(self, returncode, stdout, stderr):
self.returncode = returncode
assert isinstance(stdout, bytes)
self.stdout = stdout
assert isinstance(stderr, bytes)
self.stderr = stderr
MINIMAL_STACKWALKER_OUTPUT = {
"status": "OK",
"crash_info": {
"address": "0x0000000000000000",
"assertion": None,
"crashing_thread": 0,
"type": "EXC_BAD_ACCESS / KERN_INVALID_ADDRESS",
},
"crashing_thread": {
"frame_count": 1,
"last_error_value": "ERROR_SUCCESS",
"thread_index": 0,
"thread_name": None,
"frames": [
{
"file": None,
"frame": 0,
"function": "NtWaitForMultipleObjects",
"function_offset": "0x000000000000000a",
"line": None,
"missing_symbols": False,
"module": "ntdll.dll",
"module_offset": "0x0000000000069d5a",
"offset": "0x0000000077539d5a",
"registers": {
"r10": "0xfefefefefefefeff",
"r11": "0x8080808080808080",
"r12": "0x0000000000000000",
"r13": "0x000000000086c180",
"r14": "0x0000000000000000",
"r15": "0x0000000080000000",
"r8": "0x0000000000000000",
"r9": "0x0000000000000008",
"rax": "0x0000000000000058",
"rbp": "0x0000000000000002",
"rbx": "0x000000000086c210",
"rcx": "0x0000000000000002",
"rdi": "0x0000000000000002",
"rdx": "0x000000000086c180",
"rip": "0x0000000077539d5a",
"rsi": "0x0000000000000001",
"rsp": "0x000000000086c0d8",
},
"trust": "context",
},
],
},
"lsb_release": None,
"mac_crash_info": None,
"main_module": 0,
"modules": [
{
"base_addr": "0x00000000774d0000",
"cert_subject": "Microsoft Windows",
"code_id": "5E0EB67F19f000",
"corrupt_symbols": False,
"debug_file": "ntdll.pdb",
"debug_id": "0A682A2081CD49B19C5CB941603074381",
"end_addr": "0x000000007766f000",
"filename": "ntdll.dll",
"loaded_symbols": True,
"missing_symbols": False,
"symbol_url": "https://symbols.mozilla.org/try/ntdll.pdb/0A682A2081CD49B19C5CB941603074381/ntdll.sym",
"version": "6.1.7601.24545",
},
],
"system_info": {
"cpu_arch": "amd64",
"cpu_count": 2,
"cpu_info": "family 6 model 23 stepping 10",
"cpu_microcode_version": None,
"os": "Windows NT",
"os_ver": "6.1.7601 Service Pack 1",
},
"thread_count": 1,
"threads": [
{
"frame_count": 1,
"last_error_value": "ERROR_SUCCESS",
"thread_name": None,
"frames": [
{
"file": None,
"frame": 0,
"function": "NtWaitForMultipleObjects",
"function_offset": "0x000000000000000a",
"line": None,
"missing_symbols": False,
"module": "ntdll.dll",
"module_offset": "0x0000000000069d5a",
"offset": "0x0000000077539d5a",
"registers": {
"r10": "0xfefefefefefefeff",
"r11": "0x8080808080808080",
"r12": "0x0000000000000000",
"r13": "0x000000000086c180",
"r14": "0x0000000000000000",
"r15": "0x0000000080000000",
"r8": "0x0000000000000000",
"r9": "0x0000000000000008",
"rax": "0x0000000000000058",
"rbp": "0x0000000000000002",
"rbx": "0x000000000086c210",
"rcx": "0x0000000000000002",
"rdi": "0x0000000000000002",
"rdx": "0x000000000086c180",
"rip": "0x0000000077539d5a",
"rsi": "0x0000000000000001",
"rsp": "0x000000000086c0d8",
},
"trust": "context",
},
],
},
],
"unloaded_modules": [],
}
MINIMAL_STACKWALKER_OUTPUT_STR = json.dumps(MINIMAL_STACKWALKER_OUTPUT)
class TestMinidumpStackwalkRule:
def test_everything_we_hoped_for(self, tmp_path):
rule = MinidumpStackwalkRule(
symbol_tmp_path=str(tmp_path / "tmp"),
symbol_cache_path=str(tmp_path / "cache"),
)
dumppath = tmp_path / "dumpfile.dmp"
dumppath.write_text("abcde")
raw_crash = {"uuid": example_uuid}
dumps = {rule.dump_field: str(dumppath)}
processed_crash = {}
status = Status()
with MetricsMock() as mm:
with mock.patch(
"socorro.processor.rules.breakpad.subprocess"
) as mock_subprocess:
mock_subprocess.run.return_value = ProcessCompletedMock(
returncode=0,
stdout=MINIMAL_STACKWALKER_OUTPUT_STR.encode("utf-8"),
stderr=b"",
)
# We mocked the subprocess, so we have to generate the output files we're
# expecting.
output_path = tmp_path / f"{example_uuid}.{rule.dump_field}.json"
output_path.write_text(MINIMAL_STACKWALKER_OUTPUT_STR)
log_path = tmp_path / f"{example_uuid}.{rule.dump_field}.log"
log_path.write_text("")
rule.act(raw_crash, dumps, processed_crash, str(tmp_path), status)
expected_output = copy.deepcopy(MINIMAL_STACKWALKER_OUTPUT)
assert processed_crash["mdsw_return_code"] == 0
assert processed_crash["mdsw_status_string"] == "OK"
assert processed_crash["success"] is True
assert processed_crash["json_dump"] == expected_output
assert processed_crash["stackwalk_version"] == rule.stackwalk_version
mm.assert_incr(
"processor.minidumpstackwalk.run",
tags=["outcome:success", "exitcode:0"],
)
def test_stackwalker_timeout(self, tmp_path):
# NOTE(willkg): we run the stackwalker with a "timeout --signal KILL ..." When
# stackwalker exceeds the amount of time alotted, timeout kills it with a
# SIGKILL (9) and subprocess denotes that using a negative exit code of -9.
# This tests that.
rule = MinidumpStackwalkRule(
symbol_tmp_path=str(tmp_path / "tmp"),
symbol_cache_path=str(tmp_path / "cache"),
)
dumppath = tmp_path / "dumpfile.dmp"
dumppath.write_text("abcde")
raw_crash = {"uuid": example_uuid}
dumps = {rule.dump_field: str(dumppath)}
processed_crash = {}
status = Status()
with MetricsMock() as mm:
with mock.patch(
"socorro.processor.rules.breakpad.subprocess"
) as mock_subprocess:
mock_subprocess.run.return_value = ProcessCompletedMock(
returncode=-9, stdout=b"{}\n", stderr=b""
)
rule.act(raw_crash, dumps, processed_crash, str(tmp_path), status)
assert processed_crash["mdsw_return_code"] == -9
assert processed_crash["mdsw_status_string"] == "unknown error"
assert processed_crash["stackwalk_version"] == rule.stackwalk_version
assert processed_crash["success"] is False
assert status.notes == [
"MinidumpStackwalkRule: minidump-stackwalk: timeout (SIGKILL)"
]
mm.assert_incr(
"processor.minidumpstackwalk.run",
tags=["outcome:fail", "exitcode:-9"],
)
def test_stackwalker_bad_output(self, tmp_path):
rule = MinidumpStackwalkRule(
symbol_tmp_path=str(tmp_path / "tmp"),
symbol_cache_path=str(tmp_path / "cache"),
)
dumppath = tmp_path / "dumpfile.dmp"
dumppath.write_text("abcde")
raw_crash = {"uuid": example_uuid}
dumps = {rule.dump_field: str(dumppath)}
processed_crash = {}
status = Status()
with mock.patch(
"socorro.processor.rules.breakpad.subprocess"
) as mock_subprocess:
mock_subprocess.run.return_value = ProcessCompletedMock(
returncode=-1, stdout=b"{ff", stderr=b"boo hiss"
)
# We mocked the subprocess, so we have to generate the output files we're
# expecting.
output_path = tmp_path / f"{example_uuid}.{rule.dump_field}.json"
output_path.write_text("{ff")
log_path = tmp_path / f"{example_uuid}.{rule.dump_field}.log"
log_path.write_text("boo hiss")
rule.act(raw_crash, dumps, processed_crash, str(tmp_path), status)
assert processed_crash["mdsw_return_code"] == -1
assert processed_crash["mdsw_status_string"] == "unknown error"
assert processed_crash["mdsw_stderr"] == "boo hiss"
assert processed_crash["stackwalk_version"] == rule.stackwalk_version
assert not processed_crash["success"]
assert (
status.notes[0]
== "MinidumpStackwalkRule: minidump-stackwalk: failed: -1: unknown error"
)
def test_empty_minidump_shortcut(self, tmp_path):
rule = MinidumpStackwalkRule(
symbol_tmp_path=str(tmp_path / "tmp"),
symbol_cache_path=str(tmp_path / "cache"),
)
# Write a 0-byte minidump file with the correct name