This CL implements LengthDelimitedRingBuffer, a general-purpose
ringbuffer suitable for use as a Crashpad Annotation.
This ringbuffer supports writing variably-sized data delimited by a Base
128 varint-encoded length separator.
LengthDelimitedRingBuffer is backed by a std::array, so it has a fixed
maximum size. It supports reading via RingBufferReader as well as
writing via RingBufferWriter.
Change-Id: I23ecb4a85ee8e846e1efc6937a5cb089a494d50a
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/4023618
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Commit-Queue: Ben Hamilton <benhamilton@google.com>
To support a new crashpad::RingBufferAnnotation type which can be safely
written to and read from simultaneously by different threads/processes,
this CL introduces a new class ScopedSpinGuard, which is a simple RAII
wrapper around an atomic boolean.
Change-Id: I5bafe6927a8dc2a3e25734cb941fd9fce9a8d139
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/4031729
Commit-Queue: Ben Hamilton <benhamilton@google.com>
Reviewed-by: Robert Sesek <rsesek@chromium.org>
These third_party dependencies need to move to the `.../src` folder for Fuchsia.
Bug: b/258565335
Change-Id: I36a87cf0cca6461fa09fffc7a8c642e1b24edbaa
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/4097194
Commit-Queue: Nathan Mulcahey <nmulcahey@google.com>
Reviewed-by: Francois Rousseau <frousseau@google.com>
This is necessary to roll Crashpad in Chromium. Fixes the following:
[5984/6587] CXX obj/third_party/crashpad/crashpad/client/client_test/crashpad_client_linux_test.o
FAILED: obj/third_party/crashpad/crashpad/client/client_test/crashpad_client_linux_test.o
python3 ../../build/toolchain/clang_code_coverage_wrapper.py --target-os=linux --files-to-instrument...(too long)
../../third_party/crashpad/crashpad/client/crashpad_client_linux_test.cc:522:20: error: code will never be executed [-Werror,-Wunreachable-code]
struct utsname uname_info;
^~~~~~~~~~
1 error generated.
Bug: chromium:1260217
Change-Id: Ie63881ed82faec84e8d45bb30dfc8ef10cfdbd6d
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/4028794
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Thomas Anderson <thomasanderson@chromium.org>
SA_EXPOSE_TAGBITS is a Linux >= 5.11 feature that allows si_addr to
contain the upper tag bits. This is a feature that allows signal
handlers to see the full upper address bits on aarch64, which consist of
TBI and MTE nibbles. For MTE, preserving these bits is of significant
importance, as it allows for precise use-after-free and buffer-overflow
diagnosis that's impossible without seeing these bits in the fault
address.
We unconditionally enable this feature on all kernels, as it's ignored
when unsupported (even on older kernels).
Tested on:
1. Linux x86 host, which is a no-op.
2. Android device with Linux 4.14, which is a no-op.
3. Android device with Linux 5.15, which passes. For posterity, my
config was:
| $ gn args out_arm64
| target_os = "android"
| android_ndk_root = "~/Android.sdk/ndk/21.4.7075529"
| android_api_level = 26
| target_cpu = "arm64"
| # NDK builds push libc++_shared.so, which is not present on newer Android
| # versions, so I hacked the runner to push the file. Maybe this should be
| # upstreamed at some point as well.
| $ git diff
| diff --git a/build/run_tests.py b/build/run_tests.py
| index 8ad19e34..64269c90 100755
| --- a/build/run_tests.py
| +++ b/build/run_tests.py
| @@ -273,7 +273,8 @@ def _RunOnAndroidTarget(binary_dir, test, android_device, extra_command_line):
| _adb_shell(adb_mkdir_command)
|
| # Push the test binary and any other build output to the device.
| - local_test_build_artifacts = []
| + local_test_build_artifacts = [
| + '~/Android.sdk/ndk/21.4.7075529/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/lib/aarch64-linux-android/libc++_shared.so']
| for artifact in test_build_artifacts:
| local_test_build_artifacts.append(os.path.join(
| binary_dir, artifact))
| @@ -294,6 +295,7 @@ def _RunOnAndroidTarget(binary_dir, test, android_device, extra_command_line):
| # The list of TERM values comes from Google Test’s
| # googletest/src/gtest.cc testing::internal::ShouldUseColor().
| env = {'CRASHPAD_TEST_DATA_ROOT': device_temp_dir}
| + env = {'LD_LIBRARY_PATH': device_out_dir}
| gtest_color = os.environ.get('GTEST_COLOR')
| if gtest_color in ('auto', None):
| if (sys.stdout.isatty() and
| $ ninja -C out_arm64 && python build/run_tests.py out_arm64/ \
| --gtest_filter=*StartHandlerForSelfTestSuite*
Change-Id: I293b36fcd08ffaca593dae8042299a39756defa0
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/4024204
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Mitch Phillips <mitchp@google.com>
This bug was found when trying to upgrading the MSAN bots from Ubuntu
18.04 (where this codepath was not hit) to 20.04. The following MSAN
error is produced when running HTTPTransport/HTTPTransport.*
==3496553==WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0x5616c540ad7d in __is_long buildtools/third_party/libc++/trunk/include/string:1674:33
#1 0x5616c540ad7d in size buildtools/third_party/libc++/trunk/include/string:1069:17
#2 0x5616c540ad7d in crashpad::(anonymous namespace)::HTTPTransportLibcurl::WriteResponseBody(char*, unsigned long, unsigned long, void*) third_party/crashpad/crashpad/util/net/http_transport_libcurl.cc:528:50
...
SUMMARY: MemorySanitizer: use-of-uninitialized-value buildtools/third_party/libc++/trunk/include/string:1674:33 in __is_long
ORIGIN: invalid (0). Might be a bug in MemorySanitizer origin tracking.
The memory is initialized in http_transport_test.cc:293, but MSAN gets
confused. Given the message output by MSAN (ORIGIN: invalid (0).
Might be a bug in MemorySanitizer origin tracking), this appears
to be a bug in MSAN, not crashpad, so this CL suppresses the error.
Bug: chromium: 1260217
Change-Id: I2d6a46e3489816270cc1fee776793ffafe0147e4
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/4015160
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Thomas Anderson <thomasanderson@chromium.org>
On gLinux, tests don't pass in the default configuration (empty GN
args), because the infinite recursion test doesn't crash
anymore. Locally, forcing the function to stay out of line is sufficient
to fix it. This is inherently brittle, and may need to be revisited at a
later point.
Change-Id: Ica88a0b3a2151af95c64c490b5afcdc05cf3be4e
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/4020321
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Benoit Lize <lizeb@chromium.org>
Ninja will be installed to the following paths.
- Linux: third_party/ninja/linux/ninja
- Mac: third_party/ninja/mac/ninja
- Windows: third_party/ninja/ninja.exe
This supports a workflow with VMs on the same host machine.
On Unix, `ninja` command wrapper in depot_tools will trigger third_party/ninja/ninja, which call linux or mac ninja.
On Windows, the depot_tools wrapper will trigger third_party/ninja/ninja.exe.
See the the discussions on the previous CL https://crrev.com/c/3924593 for more context.
See also chromium/src's CL https://crrev.com/c/3869740 for CIPD ninja migration.
Bug: chromium:1340825
Change-Id: Ia4ff83b4fdc5cb07b5c737cb9d00eaa167f0ffb0
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3990128
Commit-Queue: Junji Watanabe <jwata@google.com>
Reviewed-by: Mark Mentovai <mark@chromium.org>
Fixes NOTREACHED not being available in client/settings.cc. This was
available when compiling Crashpad standalone, but not as part of
Chromium.
Bug: chromium:1358240
Change-Id: Ie61d3beabf9ab953369f8fd25556d6a602c0c043
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/4009734
Commit-Queue: Brian Sheedy <bsheedy@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>
Copy of crrev.com/c/3952963.
Fixes locking not working on some Android filesystems due to flock not
being available. Instead, we now use the same approach as Fuchsia with
a dedicated lock file. This is an issue when running tests on
non-rooted Android devices, as we need files to be written to a
location accessible without root, but the chosen location might not
have flock support.
Bug: chromium:1358240
Change-Id: Ie910481be472403a8b0e9e36100594b0618f85e6
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3999273
Commit-Queue: Brian Sheedy <bsheedy@chromium.org>
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
There's a new try_free_default in malloc zone 13, and tests now need to
replace zone functions in all zones, not just the default zone.
Change-Id: I5a9893a73f8c9f7068e52bf25f57632f9e409aa2
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3934555
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Justin Cohen <justincohen@chromium.org>
GCC 12 does not allow it in C++20 mode anymore.
Bug: chromium:819294
Change-Id: I025dda8046739fefc4ff449d4496ef496374eff5
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3929186
Commit-Queue: Mark Mentovai <mark@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>
SDK definition of WER_RUNTIME_EXCEPTION_INFORMATION changed in SDK 19041
to add the bIsFatal field which we use. This adds a local definition of
the newer structure to allow the WER handler to build on earlier SDKs.
Bug: crashpad:423
Change-Id: I23bb69cc002ac8d469227e549f29b0af4849c893
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3880663
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Alex Gough <ajgo@chromium.org>
Previously, StartProcessingPendingReports() only started the prune and
upload threads if it thought the application was actively running in
the foreground.
However, some Crashpad clients would like to replicate Breakpad's
behavior of allowing uploads while the application is starting up
(before it moves to the foreground).
This CL introdues an optional UploadBehavior enum to
InProcessHandler::StartProcessingPendingReports(), defaulting to the
current behavior of only uploading processed crash reports while the
application is in the foreground.
If the enum is set to UploadBehavior::kUploadImmediately, then
InProcessHandler will start the prune and upload threads regardless
of the application state. (If the application state later transitions
to a non-active state, then InProcessHandler will stop the prune and
upload threads as normal.)
Change-Id: I4f13f3a3006d636dd3e511b21ccc23a90b2ea639
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3894230
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Justin Cohen <justincohen@chromium.org>
Reviewed-by: Justin Cohen <justincohen@chromium.org>
This file only applies to python 2 and is no longer valid.
Bug: 1336295
Change-Id: I55e56275250f28fb7fbe3a2423b934f678c34fa9
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3900797
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
Commit-Queue: Fabrice de Gans <fdegans@chromium.org>
Empty arrays aren't allowed in C/C++, so we advise callers to pass
nullptr instead.
Change-Id: If6724fa5a8b657207337df8b36fa2b3b4fddd955
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3894498
Reviewed-by: Ben Hamilton <benhamilton@google.com>
Commit-Queue: Alan Zhao <ayzhao@google.com>
sed -i '' -E -e 's/Copyright (.+) The Crashpad Authors\. All rights reserved\.$/Copyright \1 The Crashpad Authors/' $(git grep -El 'Copyright (.+) The Crashpad Authors\. All rights reserved\.$')
Bug: chromium:1098010
Change-Id: I8d6138469ddbe3d281a5d83f64cf918ec2491611
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3878262
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
registration_protocol_win.h includes <string>, which adds an
unacceptable dependency on libc++ in //components/crash/win:chrome_wer
in Chrome as that file is included in crashpad_wer.cc. Rather than
remove <string>, which would require doing a lot of transitive
refactoring work in Crashpad, we just extract the data structures into
another file, as crashpad_wer.cc only includes
registration_protocol_win.h for its struct definitions.
Bug: chromium:1357827
Change-Id: Ic20c2952be07ea75d063702cd346cdca0ab65038
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3864251
Commit-Queue: Alan Zhao <ayzhao@google.com>
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
When assertions were enabled in Chrome in https://crrev.com/c/3833545,
crashpad_wer now requires libc++ to be explicitly included if compiled
with -std=c++20 because <vector> would now reference symbols defined
outside the libc++ headers. We attempted to add libc++ as a dependency
in https://crrev.com/c/3862974; however, that was deemed unacceptable
because the library needs to be kept small in order for Windows to load
it to handle crashes. Therefore, the only alternative is to update the
library to remove std::vector
Bug: chromium:1357827
Change-Id: I1494204a7bd679fa1632a0f08597cb7e93267196
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3864248
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Alan Zhao <ayzhao@google.com>
* crashpad_http_transport_impl is "socket" when targeting Fuchsia
so the dependency on //third_party/curl:libcurl isn't actually
ever added - we might as well remove it to prevent confusion
Bug: fuchsia:107235
TESTED=`fx build` in Fuchsia checkout
Change-Id: I75da6e7505f8ab09f9978472e93c48600f4c35cb
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3840964
Commit-Queue: Francois Rousseau <frousseau@google.com>
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
This caused a warning with `-Wshadow` on due to the loop below.
Bug: None
Change-Id: I63c4252d7ff66c416d8f0edde868a9b0a6aeb65e
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3838745
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Leonard Grey <lgrey@chromium.org>
Currently, these tests take a pointer to a stack variable to get
an address in the stack. ASAN recently enabled `detect_stack_use_after_return` by default, which breaks this approach.
Bug: chromium:1319307
Change-Id: Ia828a92389cf0d45f31f9a7b999badea398f56ec
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3838735
Reviewed-by: Mark Mentovai <mark@chromium.org>
dyld4 *does* record a timestamp for the main executable (confirmed with
a test app).
Bug: chromium:1268776
Change-Id: I13380181903be7b4886dfdf37f1aa42018a0ef55
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3833512
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Leonard Grey <lgrey@chromium.org>
ASAN passes locally for me with this patch in Chromium, so re-enabling
it upstream as well.
Bug: chromium:1334418
Change-Id: I9c9b20d7c309795cb147656374bae1229be6b418
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3833503
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Leonard Grey <lgrey@chromium.org>
Checking for code-corruption is an important process in crash analysis
so it is important to record code bytes first. This was already done for
ARM and other processors so this change just moves EIP/RIP to the top of
the list.
This is important in scenarios where only a small amount of extra memory
is recorded such as in the stable channel of Chrome.
Bug: 1339513
Change-Id: I26367214ee66795c81000a0487987a130f2ea23a
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3812374
Commit-Queue: Mark Mentovai <mark@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>
Fuchsia is undergoing a change to how programs are run and the Crashpad
tests must be migrated to the new system.
Bug: fuchsia:102371
TESTED=`fx test crashpad-test` (540 passing, 1 skipped)
Change-Id: I4daf7d160045b28b876a5f1aa93b0bd596461e0d
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3817783
Commit-Queue: Alex Pankhurst <pankhurst@google.com>
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Passing -1 (or size_t max) to ScopedVMRead would succeed, because the
amount of memory to be read would overflow vm_address_t/vm_size_t and
turn into something reasonable. ScopedVMRead would return true having
only read a miniscule subset of the requested data length.
Bug: 1348341
Change-Id: I061a1d86928f211c541a6378a78ee045d489a838
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3791710
Commit-Queue: Justin Cohen <justincohen@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>
Some documentation uses the old default branch name `master`.
But `master` in crashpad repo is a very old branch and has been
superseded with `main`.
Change-Id: I368c829fde2d29b3f14aa14185bfc97d546bf340
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3787194
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
handler_sock end of the socketpair is donated to the crashpad server
process which owns it. The client should not keep it open. Otherwise
if the crashpad server process crashes and the client is reading from
client_sock, the client will hang forever because the other end is still
open.
This happens when:
- /proc/sys/kernel/yama/ptrace_scope file is present.
- crashpad is invoked with missing required fields, like --database.
In this case, chrome hangs until timeout.
Change-Id: I1776432d6d9fd44dc1c24e874a15fd6d2a376003
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3786896
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Ayush Ranjan <ayushranjan@google.com>
Adds a 4K buffer to the intermediate dump writer. Aside from the final
flush, only write in multiples of 4K. This saves between 30ms and 50ms
on an iPhone 12 Pro.
Change-Id: Icc4b222477bd91fd6952c7cf43b105e1f7a50adb
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3764243
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Justin Cohen <justincohen@chromium.org>
Fuchsia's undefined behavior sanitizer was detecting unaligned accesses
to 8 byte aligned data in Crashpad tests because various MINIDUMP_*
structs are packed with 4 byte alignment.
This change copies unaligned data in tests to local variable that can be
safely used to check values.
Example errors:
'''
[../../third_party/crashpad/minidump/minidump_thread_name_list_writer_test.cc:95:3]:
runtime error: reference binding to misaligned address 0x461e104cfbd4
for type 'const RVA64' (aka 'const unsigned long'), which requires 8
byte aligment
'''
'''
'''
Change-Id: I3c0905aa9eab810c00d57f1e9e54bb8eaaff54b0
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3775293
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Alex Pankhurst <pankhurst@google.com>
Rather than vm_reading each individual module load_command, load all of
the commands at once. This saves nearly 200ms on an iPhone 12 Pro.
Change-Id: I06f56c3ecbdf74f78759648ea62bcccd027f304c
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3764242
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Justin Cohen <justincohen@chromium.org>
On iOS, holding a lock during a slow upload can lead to watchdog kills
if the app is suspended mid-upload. Instead, if the client can obtain
the lock, the database sets a lock-time file attribute and releases the
flock. The file attribute is cleared when the upload is completed. The
lock-time attribute can be used to prevent file access from other
processes, or to discard reports that likely were terminated mid-upload.
Bug:chromium:1342051
Change-Id: Ib878f6ade8eae467ee39acb52288296759c84582
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3739019
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Commit-Queue: Justin Cohen <justincohen@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>
Adds a new IOSIntermediateDumpWriter::AddPropertyCString method which
takes an address to a cstring of unknown length and page-by-page
searches for a NUL-byte terminator.
This is necessary because currently WriteModuleInfo calls strlen
directly on the dyld and module filePath without first using vm_read.
On iOS14 this occasionally crashes, and is generally unwise. Instead,
use AddPropertyCString.
This patch also removes WriteDyldErrorStringAnnotation, as it's no
longer used going forward with iOS 15.
Bug: 1332862
Change-Id: I3801693bc39259a0127e5175dccf286a1cd97ba7
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3689516
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Justin Cohen <justincohen@chromium.org>
GCC does not allow binding a packed field to an address. Assign
to a intermediate variable instead before pushing to map.
Bug: chromium:819294
Change-Id: I806e5f99c2b19e656b91a60f72172b59c961ba5f
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3751392
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
This adds a runtime exception helper (& test module) for Windows and
plumbing to allow the module to be registered by the crashpad client,
and to trigger the crashpad handler. Embedders can build their own
module to control which exceptions are passed to the handler.
See: go/chrome-windows-runtime-exception-helper for motivation.
When registered (which is the responsibility of the embedding
application), the helper is loaded by WerFault.exe when Windows
Error Reporting receives crashes that are not caught by crashpad's
normal handlers - for instance a control-flow violation when a
module is compiled with /guard:cf.
Registration:
The embedder must arrange for the full path to the helper to
be added in the appropriate Windows Error Reporting\
RuntimeExceptionHelperModules registry key.
Once an embedder's crashpad client is connected to a crashpad
handler (e.g. through SetIpcPipeName()) the embedder calls
RegisterWerModule. Internally, this registration includes handles
used to trigger the crashpad handler, an area reserved to hold an
exception and context, and structures needed by the crashpad handler.
Following a crash:
WerFault.exe handles the crash then validates and loads the helper
module. WER hands the helper module a handle to the crashing target
process and copies of the exception and context for the faulting thread.
The helper then copies out the client's registration data and
duplicates handles to the crashpad handler, then fills back the various structures in the paused client that the crashpad handler will need.
The helper then signals the crashpad handler, which collects a dump then
notifies the helper that it is done.
Support:
WerRegisterExceptionHelperModule has been availble since at least
Windows 7 but WerFault would not pass on the exceptions that crashpad
could not already handle. This changed in Windows 10 20H1 (19041),
which supports HKCU and HKLM registrations, and passes in more types of
crashes. It is harmless to register the module for earlier versions
of Windows as it simply won't be loaded by WerFault.exe.
Tests:
snapshot/win/end_to_end_test.py has been refactored slightly to
group crash generation and output validation in main() by breaking
up RunTests into smaller functions.
As the module works by being loaded in WerFault.exe it is tested
in end_to_end_test.py.
Bug: crashpad:133, 866033, 865632
Change-Id: Id668bd15a510a24c79753e1bb03e9456f41a9780
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3677284
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Alex Gough <ajgo@chromium.org>
Changes copied verbatim from Chromium with one exception to remove
Chromium specific gn args.
This includes a mini_chromium roll to not codesign within Xcode.
Change-Id: I89b35bee08f9bc9e37f902f2b57e02acb2113ae1
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3726509
Reviewed-by: Rohit Rao <rohitrao@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Justin Cohen <justincohen@chromium.org>
Windows 7 doesn't support SetThreadDescription/GetThreadDescription. Add
an IsSupported to ScopedSetThreadName test to wrap unsupported calls.
Change-Id: I70d4e20b94efea03e41c5f7ed8d8e1b886192923
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3722556
Commit-Queue: Justin Cohen <justincohen@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>
