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https://github.com/chromium/crashpad.git
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win: Test some basic ! windbg commands
R=mark@chromium.org BUG=crashpad:20, crashpad:46, crashpad:52 Review URL: https://codereview.chromium.org/1397833004 .
This commit is contained in:
Scott Graham
parent
a2740b23a2
commit
bbd00c3a91
@ -64,7 +64,7 @@ def main(args):
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print name
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print '-' * 80
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subprocess.check_call(
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[sys.executable, os.path.join(crashpad_dir, name), args[0]])
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[sys.executable, os.path.join(crashpad_dir, name), out_dir])
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return 0
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@ -15,7 +15,26 @@
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# limitations under the License.
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import os
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import random
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import re
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import subprocess
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import sys
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import tempfile
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g_temp_dirs = []
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def MakeTempDir():
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global g_temp_dirs
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new_dir = tempfile.mkdtemp()
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g_temp_dirs.append(new_dir)
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return new_dir
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def CleanUpTempDirs():
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global g_temp_dirs
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for d in g_temp_dirs:
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subprocess.call(['rmdir', '/s', '/q', d], shell=True)
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def FindInstalledWindowsApplication(app_path):
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@ -35,6 +54,9 @@ def FindInstalledWindowsApplication(app_path):
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def GetCdbPath():
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"""Search in some reasonable places to find cdb.exe. Searches x64 before x86
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and newer versions before older versions.
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"""
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possible_paths = (
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os.path.join('Windows Kits', '10', 'Debuggers', 'x64'),
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os.path.join('Windows Kits', '10', 'Debuggers', 'x86'),
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@ -44,12 +66,7 @@ def GetCdbPath():
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os.path.join('Windows Kits', '8.0', 'Debuggers', 'x86'),
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'Debugging Tools For Windows (x64)',
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'Debugging Tools For Windows (x86)',
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'Debugging Tools For Windows',
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os.path.join('win_toolchain', 'vs2013_files', 'win8sdk', 'Debuggers',
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'x64'),
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os.path.join('win_toolchain', 'vs2013_files', 'win8sdk', 'Debuggers',
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'x86'),
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)
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'Debugging Tools For Windows',)
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for possible_path in possible_paths:
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app_path = os.path.join(possible_path, 'cdb.exe')
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app_path = FindInstalledWindowsApplication(app_path)
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@ -58,10 +75,137 @@ def GetCdbPath():
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return None
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def GetDumpFromCrashyProgram(out_dir, pipe_name):
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"""Initialize a crash database, run crashpad_handler, run crashy_program
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connecting to the crash_handler. Returns the minidump generated by
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crash_handler for further testing.
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"""
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test_database = MakeTempDir()
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try:
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if subprocess.call(
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[os.path.join(out_dir, 'crashpad_database_util.exe'), '--create',
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'--database=' + test_database]) != 0:
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print 'could not initialize report database'
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return None
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handler = subprocess.Popen([
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os.path.join(out_dir, 'crashpad_handler.exe'),
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'--pipe-name=' + pipe_name,
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'--database=' + test_database
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])
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subprocess.call([os.path.join(out_dir, 'crashy_program.exe'), pipe_name])
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out = subprocess.check_output([
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os.path.join(out_dir, 'crashpad_database_util.exe'),
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'--database=' + test_database,
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'--show-completed-reports',
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'--show-all-report-info',
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])
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for line in out.splitlines():
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if line.strip().startswith('Path:'):
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return line.partition(':')[2].strip()
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finally:
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if handler:
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handler.kill()
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class CdbRun(object):
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"""Run cdb.exe passing it a cdb command and capturing the output.
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`Check()` searches for regex patterns in sequence allowing verification of
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expected output.
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"""
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def __init__(self, cdb_path, dump_path, command):
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# Run a command line that loads the dump, runs the specified cdb command,
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# and then quits, and capturing stdout.
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self.out = subprocess.check_output([
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cdb_path,
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'-z', dump_path,
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'-c', command + ';q'
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])
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def Check(self, pattern, message):
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match_obj = re.search(pattern, self.out)
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if match_obj:
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# Matched. Consume up to end of match.
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self.out = self.out[match_obj.end(0):]
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print 'ok - %s' % message
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else:
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print >>sys.stderr, '-' * 80
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print >>sys.stderr, 'FAILED - %s' % message
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print >>sys.stderr, '-' * 80
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print >>sys.stderr, 'did not match:\n %s' % pattern
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print >>sys.stderr, '-' * 80
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print >>sys.stderr, 'remaining output was:\n %s' % self.out
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print >>sys.stderr, '-' * 80
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sys.exit(1)
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def RunTests(cdb_path, dump_path, pipe_name):
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"""Runs various tests in sequence. Runs a new cdb instance on the dump for
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each block of tests to reduce the chances that output from one command is
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confused for output from another.
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"""
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out = CdbRun(cdb_path, dump_path, '.ecxr')
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out.Check('This dump file has an exception of interest stored in it',
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'captured exception')
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out.Check(
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'crashy_program!crashpad::`anonymous namespace\'::SomeCrashyFunction',
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'exception at correct location')
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out = CdbRun(cdb_path, dump_path, '!peb')
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out.Check(r'PEB at', 'found the PEB')
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out.Check(r'Ldr\.InMemoryOrderModuleList:.*\d+ \. \d+', 'PEB_LDR_DATA saved')
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out.Check(r'Base TimeStamp Module', 'module list present')
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pipe_name_escaped = pipe_name.replace('\\', '\\\\')
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out.Check(r'CommandLine: *\'.*crashy_program.exe *' + pipe_name_escaped,
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'some PEB data is correct')
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out.Check(r'SystemRoot=C:\\Windows', 'some of environment captured')
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out = CdbRun(cdb_path, dump_path, '!teb')
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out.Check(r'TEB at', 'found the TEB')
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out.Check(r'ExceptionList:\s+[0-9a-fA-F]+', 'some valid teb data')
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out.Check(r'LastErrorValue:\s+2', 'correct LastErrorValue')
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out = CdbRun(cdb_path, dump_path, '!gle')
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out.Check('LastErrorValue: \(Win32\) 0x2 \(2\) - The system cannot find the '
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'file specified.', '!gle gets last error')
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out.Check('LastStatusValue: \(NTSTATUS\) 0xc000000f - {File Not Found} The '
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'file %hs does not exist.', '!gle gets last ntstatus')
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# Locks.
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out = CdbRun(cdb_path, dump_path, '!locks')
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out.Check(r'CritSec crashy_program!crashpad::`anonymous namespace\'::'
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r'g_test_critical_section', 'lock was captured')
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out.Check(r'\*\*\* Locked', 'lock debug info was captured, and is locked')
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def main(args):
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try:
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if len(args) != 1:
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print >>sys.stderr, 'must supply out dir'
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return 1
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cdb_path = GetCdbPath()
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print 'cdb_path:', cdb_path
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if not cdb_path:
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print >>sys.stderr, 'could not find cdb'
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return 1
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pipe_name = r'\\.\pipe\end-to-end_%s_%s' % (
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os.getpid(), str(random.getrandbits(64)))
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dump_path = GetDumpFromCrashyProgram(args[0], pipe_name)
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if not dump_path:
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return 1
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RunTests(cdb_path, dump_path, pipe_name)
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return 0
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finally:
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CleanUpTempDirs()
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if __name__ == '__main__':
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