[Webkit-unassigned] [Bug 149661] New: SIGBUS in IPC::ArgumentDecoder::ArgumentDecoder
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed Sep 30 05:38:51 PDT 2015
https://bugs.webkit.org/show_bug.cgi?id=149661
Bug ID: 149661
Summary: SIGBUS in IPC::ArgumentDecoder::ArgumentDecoder
Classification: Unclassified
Product: WebKit
Version: Other
Hardware: PC
OS: Linux
Status: NEW
Severity: Normal
Priority: P2
Component: WebKit Gtk
Assignee: webkit-unassigned at lists.webkit.org
Reporter: mcatanzaro at igalia.com
This is a bit of an interesting crash, in that it was a SIGBUS and not a SIGSEGV or SIGABRT like usual. Full backtrace, memmaps, etc. are available in the downstream bug.
Truncated backtrace:
Thread no. 1 (10 frames)
#0 __memcpy_sse2_unaligned at ../sysdeps/x86_64/multiarch/memcpy-sse2-unaligned.S:36
#1 IPC::ArgumentDecoder::ArgumentDecoder at /usr/src/debug/webkitgtk-2.10.0/Source/WebKit2/Platform/IPC/ArgumentDecoder.cpp:41
#2 IPC::MessageDecoder::MessageDecoder at /usr/src/debug/webkitgtk-2.10.0/Source/WebKit2/Platform/IPC/MessageDecoder.cpp:49
#3 std::make_unique<IPC::MessageDecoder, IPC::DataReference, WTF::Vector<IPC::Attachment, 0ul, WTF::CrashOnOverflow, 16ul> >(IPC::DataReference&&, WTF::Vector<IPC::Attachment, 0ul, WTF::CrashOnOverflow, 16ul>&&) at /usr/src/debug/webkitgtk-2.10.0/Source/WTF/wtf/StdLibExtras.h:327
#4 IPC::Connection::processMessage at /usr/src/debug/webkitgtk-2.10.0/Source/WebKit2/Platform/IPC/unix/ConnectionUnix.cpp:246
#5 IPC::Connection::readyReadHandler at /usr/src/debug/webkitgtk-2.10.0/Source/WebKit2/Platform/IPC/unix/ConnectionUnix.cpp:356
#6 std::function<void ()>::operator()() const at /usr/include/c++/5.1.1/functional:2271
#7 WTF::WorkQueue::<lambda(GIOCondition)>::operator() at /usr/src/debug/webkitgtk-2.10.0/Source/WTF/wtf/glib/WorkQueueGLib.cpp:98
#8 std::_Function_handler<bool(GIOCondition), WTF::WorkQueue::registerSocketEventHandler(int, std::function<void()>, std::function<void()>)::<lambda(GIOCondition)> >::_M_invoke(const std::_Any_data &, <unknown type in /usr/lib/debug/usr/lib64/libjavascriptcoregtk-4.0.so.18.2.8.debug, CU 0xf107ac8, DIE 0xf10a682>) at /usr/include/c++/5.1.1/functional:1857
#9 std::function<bool (GIOCondition)>::operator()(GIOCondition) const at /usr/include/c++/5.1.1/functional:2271
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