def filter_stacktrace(crash_stacktrace, crash_type, revisions_dict, platform,
job_type):
"""Clean up and format a stack trace for display."""
if not crash_stacktrace:
return ''
# Truncate stacktrace if it's too big.
crash_stacktrace = _truncate_stacktrace(crash_stacktrace)
filtered_crash_lines = []
for line in crash_stacktrace.splitlines():
# Html escape line content to prevent XSS.
line = html.escape(line, quote=True)
line = source_mapper.linkify_stack_frame(line, revisions_dict)
if 'android' in platform or environment.is_lkl_job(job_type):
line = _linkify_android_kernel_stack_frame_if_needed(line)
filtered_crash_lines.append(line)
filtered_crash_stacktrace = '\n'.join(filtered_crash_lines)
if crash_type == leak_blacklist.DIRECT_LEAK_LABEL:
return leak_blacklist.highlight_first_direct_leak(
filtered_crash_stacktrace)
return highlight_common_stack_frames(filtered_crash_stacktrace)
def linkify_kernel_or_lkl_stacktrace_if_needed(crash_info):
"""Linkify Android Kernel or lkl stacktrace."""
kernel_prefix = ''
kernel_hash = ''
if (environment.is_android_kernel()
and not environment.is_android_cuttlefish() and
(crash_info.found_android_kernel_crash or crash_info.is_kasan)):
kernel_prefix, kernel_hash = \
android_kernel.get_kernel_prefix_and_full_hash()
elif (environment.is_lkl_job() and crash_info.is_lkl
and crash_info.lkl_kernel_build_id):
kernel_prefix, kernel_hash = \
lkl_kernel.get_kernel_prefix_and_full_hash(crash_info.lkl_kernel_build_id)
if kernel_prefix and kernel_hash:
_linkify_android_kernel_stacktrace(crash_info, kernel_prefix,
kernel_hash)
def filter_binary_path(binary_path):
"""Filters binary path to provide a local copy."""
if environment.is_android() or environment.is_lkl_job():
return symbols_downloader.filter_binary_path(binary_path)
if environment.platform() == 'CHROMEOS':
# FIXME: Add code to pull binaries from ChromeOS device.
return binary_path
if environment.is_chromeos_system_job():
# This conditional is True for ChromeOS system fuzzers that are running on
# Linux. Ensure that the binary is always looked for in the chroot and not
# in system directories.
build_dir = environment.get_value('BUILD_DIR')
if not binary_path.startswith(build_dir):
# Fixup path so |binary_path| points to a binary in the chroot (probably
# a system library).
return os.path.join(build_dir, binary_path[1:])
# For Linux and Mac, the binary exists locally. No work to do,
# just return the same binary path.
return binary_path
def is_lkl_stack_trace(unsymbolized_crash_stacktrace):
"""Is this an lkl stack trace?"""
return (
environment.is_lkl_job() and
constants.LINUX_KERNEL_MODULE_STACK_TRACE in unsymbolized_crash_stacktrace
)