| Commit message (Collapse) | Author | Age | Files | Lines |
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If signal_fd is -1 still, we end up calling close(-1). Not generally
a problem, but it's bad form, and coverity is upset by it.
Change-Id: I46f9c7ca4be7b43af5b609dd8e3f03a0700af418
Reviewed-on: https://chromium-review.googlesource.com/414544
Reviewed-by: Primiano Tucci <primiano@chromium.org>
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Change-Id: I11542ea9b702055e8f0b99c26cad2fea8681bce0
Reviewed-on: https://chromium-review.googlesource.com/417824
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Primiano Tucci <primiano@chromium.org>
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GCC6 optimizes it out, leading to crash.
Change-Id: I8425d456c1364929d135ce3860121b8098bab1f7
Reviewed-on: https://chromium-review.googlesource.com/413120
Reviewed-by: Mike Frysinger <vapier@chromium.org>
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The stack interest range is passed in MicrodumpExtraInfo from the client.
If the extracted stack does not contain a pointer in this range, then we
assume that this is not a WebView crash, and do not generate a microdump.
If the stack extraction fails, we still generate a microdump (without a
stack).
BUG=664460
Change-Id: Ic762497f76f074a3621c7ec88a8c20ed768b9211
Reviewed-on: https://chromium-review.googlesource.com/412781
Reviewed-by: Primiano Tucci <primiano@chromium.org>
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Change-Id: I09c90d496edc67d4cad3e2b99f4347dc04713bdb
Reviewed-on: https://chromium-review.googlesource.com/414357
Reviewed-by: Mike Frysinger <vapier@chromium.org>
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These are /bin/sh scripts, and `source` is a bash-specific command.
Switch to the portable `.` command instead.
Change-Id: I51d8253b26aa61c130bb5fdc4789f8d623c6d9db
Reviewed-on: https://chromium-review.googlesource.com/414524
Reviewed-by: Primiano Tucci <primiano@chromium.org>
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code.google.com is obsolete.
Fix all broken markdown links while at it.
Change-Id: I6a337bf4b84eacd5f5c749a4ee61331553279009
Reviewed-on: https://chromium-review.googlesource.com/411800
Reviewed-by: Mike Frysinger <vapier@chromium.org>
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BUG=
Change-Id: I19a1abf1d00f208943db1c362cc426ca8bd2068e
Reviewed-on: https://chromium-review.googlesource.com/409632
Reviewed-by: Mark Mentovai <mark@chromium.org>
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instead of std::string.
For more details take a look at common/using_std_string.h
BUG=
Change-Id: Ifebfc57f691ef3a3bef8cfed7106c567985edffc
Reviewed-on: https://chromium-review.googlesource.com/399738
Reviewed-by: Mark Mentovai <mark@chromium.org>
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CIE looks like it's been emitted by clang since ~May 2015 [1]. This
means that we didn't have any CFI because this parse aborted, which
meant that all stack walks reverted to stack scanning. Allow expected
values for address size and segment descriptor size through so that
dump_syms can generate at least somewhat reasonable data.
[1]: http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20150518/277292.html
R=mark@chromium.org
BUG=chromium:627529
Change-Id: I6dc92f51c4afd25c2adff92c09ccb8bb03bf9112
Reviewed-on: https://chromium-review.googlesource.com/406012
Reviewed-by: Mark Mentovai <mark@chromium.org>
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The code has been rewriting the location of the shared lib lookup
completely which breaks normal sysroot usage with gdb. Split out
the behavior into dedicated flags so people can opt into it. You
can see examples of -i/-f in the usage() text.
We also change the -S behavior so that it's no longer enabled by
default -- if people want /var/lib/breakpad/, they can pass the -S
flag explicitly.
BUG=chromium:598947
Change-Id: Ic81726c27b4ad6c271c70696f2ac62798f07ccfb
Reviewed-on: https://chromium-review.googlesource.com/402909
Reviewed-by: Mark Mentovai <mark@chromium.org>
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Found by PVS-Studio!
BUG=chromium:660198
Change-Id: I2605de2b1499f85c6e01d19e87e9eeb6af8486f3
Reviewed-on: https://chromium-review.googlesource.com/404552
Reviewed-by: Mike Frysinger <vapier@chromium.org>
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This exception is being seen in Chrome during stack unwinding.
BUG=
Change-Id: Ica3f721ca605dff835ffc3814c60bab9f6f9b192
Reviewed-on: https://chromium-review.googlesource.com/404332
Reviewed-by: Mark Mentovai <mark@chromium.org>
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Always writing to stdout makes it hard to debug, and hard to use in
some script environments. Add an explicit -o flag to make it easier.
BUG=chromium:598947
Change-Id: I79667d033c8bdc8412d3a44fe3557d65f704968f
Reviewed-on: https://chromium-review.googlesource.com/403988
Reviewed-by: Mark Mentovai <mark@chromium.org>
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This uses the same general framework as other minidump tools by using
getopt to parse command line options, and then passing the parsed state
around as a struct rather than via globals.
This does change the --sobasedir flag to -S because we don't support
getopt_long anywhere in the tree. Unfortunate, but better to match
all the other breakpad tools which only accept short options.
BUG=chromium:598947
Change-Id: I473081a29a8e3ef07a370848343f1a9e6681fd4e
Reviewed-on: https://chromium-review.googlesource.com/402908
Reviewed-by: Mark Mentovai <mark@chromium.org>
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The Rust compiler uses GCC C++ name mangling, but it has another layer of
encoding so abi::cxa_demangle doesn't produce great results. This patch
changes dump_syms to dump unmangled names by default so that consumers can
demangle them after-the-fact.
It also adds a tiny bit of support for linking against a Rust library I wrote
that can demangle Rust symbols nicely:
https://github.com/luser/rust-demangle-capi
BUG=
Change-Id: I63a425035ebb7ac516f067fed2aa782849ea9604
Reviewed-on: https://chromium-review.googlesource.com/402308
Reviewed-by: Mark Mentovai <mark@chromium.org>
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On 32-bit hosts the new code for dumping version 5 of the MDRawMiscInfo
structure uses a 32-bit left shift to select flags corresponding to the
entries in the MDXStateFeature array. Since the array is made of 64
element this automatically skipped half of it.
Change-Id: Ic4e3beaf6c56083524b33da9a396c14eec0d2bd2
Reviewed-on: https://chromium-review.googlesource.com/396107
Reviewed-by: Ted Mielczarek <ted@mielczarek.org>
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Windows 10 now raises an exception when OutputDebugString* are called:
(https://ntquery.wordpress.com/2015/09/07/windows-10-new-anti-debug-outputdebugstringw/)
This change ignores these exception types such that they're not falsely
identified as a crash.
BUG=
Change-Id: I1326212662d46e16407681d5ea6377f63ee188ce
Reviewed-on: https://chromium-review.googlesource.com/398998
Reviewed-by: Mark Mentovai <mark@chromium.org>
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EBX is sometimes used in "WIN FRAME 4" programs. Not providing the
initial value was causing the evaluation in some frames of ntdll,
resulting in a fallback to scanning and a failed stack walk.
R=mark@chromium.org
BUG=chromium:651453
Change-Id: I94a8184e1eed72b0d0e3212fe323fbdd10d56da5
Reviewed-on: https://chromium-review.googlesource.com/398059
Reviewed-by: Mark Mentovai <mark@chromium.org>
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Calling _exit() is something iOS inherited from Mac OS X Breakpad, and isn't
necessary on iOS. This is necessary because recently iOS has started
re-launching the application if breakpad catches a startup crash and calls exit
during startup.
BUG=chromium:645146
Change-Id: Ibb5a681282a886259424655aa8506a80a1fd4f4c
Reviewed-on: https://chromium-review.googlesource.com/397058
Reviewed-by: Mark Mentovai <mark@chromium.org>
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Change-Id: Ifb56d41d8c5c6e766dee459157e1345553088e2a
Reviewed-on: https://chromium-review.googlesource.com/389411
Reviewed-by: Ted Mielczarek <ted@mielczarek.org>
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The DWARF data for Swift code has a top-level DW_TAG_module DIE as the
child of the DW_TAG_compile_unit DIE and the parent of the
DW_TAG_subprogram DIEs that dump_syms uses to locate functions.
dump_syms needs to process DW_TAG_module DIEs as introducing nested
scopes to make it work with Swift.
This also reworks demangling to be language-specific, so that the C++
demangler isn't invoked when processing Swift code. The DWARF data for
Swift code presents its mangled names in the same form as used for C++
(DW_AT_MIPS_linkage_name or DW_AT_linkage_name) but the mangling is
Swift-specific (beginning with _T instead of _Z). There is no
programmatic interface to a Swift name demangler as an analogue to C++'s
__cxa_demangle(), so mangled Swift names are exposed as-is. Xcode's
"xcrun swift-demangle" can be used to post-process these mangled Swift
names on macOS.
Support for mangled names presented in a DW_AT_linkage_name attribute,
as used by DWARF 4, is added. This supersedes the earlier use of
DW_AT_MIPS_linkage_name.
BUG=google-breakpad:702,google-breakpad:715
R=ted.mielczarek@gmail.com
Review URL: https://codereview.chromium.org/2147523005 .
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This allows people to use repo to manage the checkout instead of gclient.
This helps when you're used to the standard repo+gerrit workflow that the
Android & Chromium OS projects use.
Change-Id: I8b720e7995af2a1a8c9ce2ee9aa6c2638441b4a1
Reviewed-on: https://chromium-review.googlesource.com/379736
Reviewed-by: Mark Mentovai <mark@chromium.org>
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Added new files elf_reader and corrected the references to dump_syms. Also some corrections to be able to build using a newer Xcode and SDK version (tested with Xcode 7.3, SDK 10.11).
Patch provided by Thomas Schweitzer.
BUG=
Change-Id: I18bd3f8ce0c1d0ceb737aee2fa8305adfcc83139
Reviewed-on: https://chromium-review.googlesource.com/377746
Reviewed-by: Mark Mentovai <mark@chromium.org>
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while ago.
Patch provided by Thomas Schweitzer.
BUG=
Change-Id: I1721db8cab7774b433ff6703a0ddc1eab6620c0b
Reviewed-on: https://chromium-review.googlesource.com/379898
Reviewed-by: Mark Mentovai <mark@chromium.org>
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::string class instead of std::string.
For more details take a look at common/using_std_string.h
BUG=
Change-Id: I11f1ce697be23e13f12ea8f0468bbe02fa63c967
Reviewed-on: https://chromium-review.googlesource.com/378159
Reviewed-by: Mark Mentovai <mark@chromium.org>
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versions (tested with Xcode 7.3, SDK 10.11).
Patch provided by Thomas Schweitzer.
BUG=
Change-Id: Ib35cdf766e73e4936e66f75474d83c2602f8ceb4
Reviewed-on: https://chromium-review.googlesource.com/378059
Reviewed-by: Mark Mentovai <mark@chromium.org>
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instead of a specific name.
This will prevent false positives on systems which use a format such as
“[stack:69616]” for stack memory mapping names.
Change-Id: I51aeda2fe856c1f37f0d18ac06cce69fec2fffa2
Reviewed-on: https://chromium-review.googlesource.com/377086
Reviewed-by: Mike Frysinger <vapier@chromium.org>
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Fix unused variable error. Code that uses the kWaitForHandlerThreadMs
constant is inside and ifdef so in some compile configurations constant
was unused. Move it where it's used.
And do the same with other constants as requested during review.
BUG=
Change-Id: I4f4c8f36c982092d53438ed6d2a0a97772402d69
Reviewed-on: https://chromium-review.googlesource.com/374378
Reviewed-by: Mark Mentovai <mark@chromium.org>
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The routines used to read from the structure were also modified to accomodate for unknown future versions by skipping over the unsupported part instead of failing.
R=ted.mielczarek@gmail.com
Review URL: https://codereview.chromium.org/2109063004/ .
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This reverts commit 0fc6d0c8dfbb6e4226fd79c622b701a62c901f14 because it
does not compile in Chromium due to the following error:
In file included from ../../breakpad/src/client/linux/minidump_writer/linux_dumper.h:43:0,
from ../../breakpad/src/client/linux/minidump_writer/minidump_writer.h:41,
from ../../breakpad/src/client/linux/handler/exception_handler.h:42,
from ../../components/crash/content/app/breakpad_linux.cc:44:
../../breakpad/src/common/android/include/link.h:46:9: error: multi-line comment [-Werror=comment]
#endif // !defined(__aarch64__) && !defined(__x86_64__) && \
^
> Don't define |r_debug| and |link_map| on Android releases 21 and later
>
> NDKs for Android 21 and later have the data structures |r_debug| and
> |link_map| defined in their header files. Defining them multiple times
> generates a compiler error.
>
> This patch protects both data structures from definition on Android 21
> and later.
>
> BUG=629088
> R=rmcilroy@chromium.org
>
> Review URL: https://codereview.chromium.org/2156173002 .
>
> Patch from Thomas Zimmermann <tzimmermann@mozilla.com>.
>
> Committed: https://chromium.googlesource.com/breakpad/breakpad/+/0ebdc4a10a506e2a4a3a039c479b40219a84b760
BUG=629088
Change-Id: Ia8d7d0eff060d661113e544d732813820bcb69e0
Reviewed-on: https://chromium-review.googlesource.com/367717
Reviewed-by: Mark Mentovai <mark@chromium.org>
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Previously, if the input file was missing, the symupload tool on Mac
would happily process, try to parse it (calling a method on nil) and
fail when trying to create the payload to send to the server as one
of the method raised a NSInvalidArgumentException when receiving a
nil value.
Change to code to instead check the file for existence which makes it
easier to understand what is happening when part of the build system
is misconfigured and invoke symupload without first creating the symbol
file.
BUG=449348
Change-Id: Icc0f08958114da4be0cbbd7a7c2aeef905bc0db1
Reviewed-on: https://chromium-review.googlesource.com/367260
Reviewed-by: Mark Mentovai <mark@chromium.org>
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NDKs for Android 21 and later have the data structures |r_debug| and
|link_map| defined in their header files. Defining them multiple times
generates a compiler error.
This patch protects both data structures from definition on Android 21
and later.
BUG=629088
R=rmcilroy@chromium.org
Review URL: https://codereview.chromium.org/2156173002 .
Patch from Thomas Zimmermann <tzimmermann@mozilla.com>.
Committed: https://chromium.googlesource.com/breakpad/breakpad/+/0ebdc4a10a506e2a4a3a039c479b40219a84b760
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DISALLOW_COPY_AND_ASSIGN was inadvertently added to
Minidump::MinidumpStreamInfo in f04a010f71f6, but this class is used as
the value side of the Minidump::stream_map_ map and must be copyable
(with an old enough C++ library).
This broke:
https://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_chromeos_rel_ng/builds/247141/steps/compile%20%28with%20patch%29/logs/stdio
TBR=ivanpe@chromium.org
Review URL: https://codereview.chromium.org/2158423003 .
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This reverts commit 0fc10739232ac803f7304d01522db6051c7454ff.
Reason: breaks 64bit Android architectures.
BUG=629088
R=primiano@chromium.org
Review URL: https://codereview.chromium.org/2163923002 .
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See also https://codereview.chromium.org/2130293003/ for Chromium-side change and go/internal_cl_for_2130293003 for internal change.
BUG=chromium:614440
R=mark@chromium.org
Review URL: https://codereview.chromium.org/2160373002 .
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BUG=616774
R=primiano@chromium.org, torne@chromium.org
Review URL: https://codereview.chromium.org/2087413002 .
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NDKs for Android 21 and later have the data structures |r_debug| and
|link_map| defined in their header files. Defining them multiple times
generates a compiler error.
This patch protects both data structures from definition on Android 21
and later.
BUG=629088
R=rmcilroy@chromium.org
Review URL: https://codereview.chromium.org/2156173002 .
Patch from Thomas Zimmermann <tzimmermann@mozilla.com>.
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On Linux, breakpad relies on /proc/[pid]/maps to associate symbols from
addresses. ChromeOS' hugepage implementation replaces some segments
with anonymous private pages, which is a restriction of current
implementation in Linux kernel at the time of writing. Thus, breakpad
can no longer symbolize addresses from those text segments replaced by
hugepages.
This patch tries to recover the mappings. Because hugepages are always
inserted in between some .text sections, it tries to infer the names and
offsets of the segments, by looking at segments immediately precede and
succeed them.
For example, a text segment before hugepage optimization
02001000-03002000 r-xp /opt/google/chrome/chrome
can be broken into
02001000-02200000 r-xp /opt/google/chrome/chrome
02200000-03000000 r-xp
03000000-03002000 r-xp /opt/google/chrome/chrome
BUG=crbug.com/628040
R=mark@chromium.org
Review URL: https://codereview.chromium.org/2161713002 .
Patch from Ting-Yuan (Leo) Huang <laszio@chromium.org>.
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BUG=599327
R=mark@chromium.org
Review URL: https://codereview.chromium.org/2152153003 .
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R=ted.mielczarek@gmail.com
BUG=https://bugzilla.mozilla.org/show_bug.cgi?id=1267329
Review URL: https://codereview.chromium.org/2107083002/ .
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This change is resolving an issue that was caused by the combination of:
- Android system libraries being relro packed in N+.
- Breakpad dealing with relro packed libraries in a hack way.
This is a fix for http://crbug/611824.
I also found an use-after-free issue (bug in Minidump::SeekToStreamType). I disallowed the MinidumpStreamInfo copy and assign constructors and the compiler detected another similar issue in Minidump::Print. Then I disabled the copy and assign constructors for most classes in minidump.h (just in case). There are a couple of classes where I couldn't disallow them (since assign is used). This will require a small refactor so I left it out of this CL.
R=mark@chromium.org
Review URL: https://codereview.chromium.org/2060663002 .
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The sys_mmap/sys_mmap2 weirdness has been cleaned up in lss now and there
is only one API now for everyone -- sys_mmap.
R=mseaborn@chromium.org
Review URL: https://codereview.chromium.org/2065493006 .
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I'd like to have the Build ID available for our symbol server
uploading, and this will make it easy.
Most of this change is me rewriting dump_symbols_unittest to be
typed tests so I could add a new test there.
R=mark@chromium.org
BUG=
Review URL: https://codereview.chromium.org/2052263002 .
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R=ted
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These locations have changed since the move from Google Code.
R=ted.mielczarek@gmail.com
BUG=https://bugzilla.mozilla.org/show_bug.cgi?id=1275630
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__builtin_trap() causes a SIGTRAP on arm64 (at least with GCC 4.9).
SIGTRAP is not handled by breakpad, causing crashes induced by
__builtin_trap() to be missed.
Note that on x86 and arm, instead, __builtin_trap() raises a SIGILL,
which is already handled by breakapd.
BUG=chromium:614865
R=vapier@chromium.org
Review URL: https://codereview.chromium.org/2042853002 .
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BUG=599327
R=primiano@chromium.org
TBR=mark@chromium.org
Review URL: https://codereview.chromium.org/2042873003 .
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BUG=599327
R=primiano@chromium.org
TBR=mark@chromium.org
Review URL: https://codereview.chromium.org/2035343002 .
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