[Webkit-unassigned] [Bug 211572] New: [GStreamer] Crash in WebCore::MediaPlayer::createResourceLoader
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu May 7 08:11:07 PDT 2020
https://bugs.webkit.org/show_bug.cgi?id=211572
Bug ID: 211572
Summary: [GStreamer] Crash in
WebCore::MediaPlayer::createResourceLoader
Product: WebKit
Version: WebKit Nightly Build
Hardware: PC
OS: Linux
Status: NEW
Severity: Normal
Priority: P2
Component: Media
Assignee: webkit-unassigned at lists.webkit.org
Reporter: mcatanzaro at gnome.org
CC: bugs-noreply at webkitgtk.org
Ephy Tech Preview has started crashing when visiting my MP4 test page https://www.reddit.com/r/StLouis/comments/fvnqpb/gotta_love_our_zoo/. The page crashes immediately on load 100% of the time. It was working *very* recently, so probably something has changed somewhere in the runtime, but the crash is WebKit's problem so:
(gdb) bt full
#0 0x00007f01150bd631 in WebCore::MediaPlayer::createResourceLoader()
(this=<optimized out>)
at ../Source/WebCore/platform/graphics/MediaPlayer.h:636
#1 0x00007f0113f4a72c in <lambda()>::operator()(void) const
(__closure=0x7f005406e008)
at ../Source/WebCore/platform/graphics/gstreamer/WebKitWebSourceGStreamer.cpp:694
priv = 0x7efeec007c40
loadOptions = <optimized out>
notifyAsyncCompletion = true
src = 0x7efeec007de0 [WebKitWebSrc]
request =
{<WebCore::ResourceRequestBase> = {m_url = {m_string = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <error reading variable: Missing ELF symbol "WTF::RefPtr<WTF::StringImpl, WTF::DumbPtrTraits<WTF::StringImpl> >::isRefPtr".>, m_ptr = 0x7f007426c080}}, m_isValid = 1, m_protocolIsInHTTPFamily = 1, m_cannotBeABaseURL = 0, m_portLength = 0, static maxPortLength = 7, static maxSchemeLength = 67108863, m_schemeEnd = 5, m_userStart = 8, m_userEnd = 8, m_passwordEnd = 8, m_hostEnd = 17, m_pathAfterLastSlash = 32, m_pathEnd = 42, m_queryEnd = 42}, m_timeoutInterval = 0, m_firstPartyForCookies = {m_string = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <error reading variable: Missing ELF symbol "WTF::RefPtr<WTF::StringImpl, WTF::DumbPtrTraits<WTF::StringImpl> >::isRefPtr".>, m_ptr = 0x7f007426c080}}, m_isValid = 1, m_protocolIsInHTTPFamily = 1, m_cannotBeABaseURL = 0, m_portLength = 0, static maxPortLength = 7, static maxSchemeLength = 67108863, m_schemeEnd = 5, m_userStart = 8, m_userEnd = 8, m_passwordEnd = 8, m_hostEnd = 17, m_pathAfterLastSlash = 32, m_pathEnd = 42, m_queryEnd = 42}, m_httpMethod = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <error reading variable: Missing ELF symbol "WTF::RefPtr<WTF::StringImpl, WTF::DumbPtrTraits<WTF::StringImpl> >::isRefPtr".>, m_ptr = 0x7eff0647b000}}, m_initiatorIdentifier = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <error reading variable: Missing ELF symbol "WTF::RefPtr<WTF::StringImpl, WTF::DumbPtrTraits<WTF::StringImpl> >::isRefPtr".>, m_ptr = 0x0}}, m_cachePartition = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <error reading variable: Missing ELF symbol "WTF::RefPtr<WTF::StringImpl, WTF::DumbPtrTraits<WTF::StringImpl> >::isRefPtr".>, m_ptr = 0x7f0111c3fce0 <WTF::StringImpl::s_emptyAtomString>}}, m_httpHeaderFields = {m_commonHeaders = {<WTF::VectorBuffer<WebCore::HTTPHeaderMap::CommonHeader, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WebCore::HTTPHeaderMap::CommonHeader, WTF::FastMalloc>> = {m_buffer = 0x7f0054029000, m_capacity = 6, m_size = 2}, <No data fields>}, <No data fields>}, m_uncommonHeaders = {<WTF::VectorBuffer<WebCore::HTTPHeaderMap::UncommonHeader, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WebCore::HTTPHeaderMap::UncommonHeader, WTF::FastMalloc>> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}, <No data fields>}}, m_responseContentDispositionEncodingFallbackArray = {<WTF::VectorBuffer<WTF::String, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WTF::String, WTF::FastMalloc>> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}, <No data fields>}, m_httpBody = {static isRefPtr = <error reading variable: Missing ELF symbol "WTF::RefPtr<WebCore::FormData, WTF::DumbPtrTraits<WebCore::FormData> >::isRefPtr".>, m_ptr = 0x0}, m_cachePolicy = WebCore::ResourceRequestCachePolicy::UseProtocolCachePolicy, m_sameSiteDisposition = WebCore::ResourceRequestBase::SameSiteDisposition::Unspecified, m_priority = WebCore::ResourceLoadPriority::Low, m_requester = WebCore::ResourceRequestBase::Requester::Unspecified, m_inspectorInitiatorNodeIdentifier = {<WTF::constexpr_Optional_base<int>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = 0}}, <No data fields>}, m_allowCookies = true, m_resourceRequestUpdated = true, m_platformRequestUpdated = false, m_resourceRequestBodyUpdated = true, m_platformRequestBodyUpdated = false, m_hiddenFromInspector = false, m_isTopSite = false, static s_defaultTimeoutInterval = 0}, m_acceptEncoding = false, m_soupFlags = (unknown: 0), m_initiatingPageID = {<WTF::constexpr_Optional_base<unsigned long>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = 0}}, <No data fields>}}
protector = {m_ptr = 0x7efeec007de0 [WebKitWebSrc]}
#2 0x00007f01118b095c in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at ../Source/WTF/wtf/Function.h:81
function = {m_callableWrapper = std::unique_ptr<WTF::Detail::CallableWrapperBase<void>> = {get() = 0x7f0054047050}}
functionsHandled = 6
functionsToHandle = 10
#3 0x00007f01118b095c in WTF::RunLoop::performWork() (this=0x7f0106dfa000) at ../Source/WTF/wtf/RunLoop.cpp:124
function = {m_callableWrapper = std::unique_ptr<WTF::Detail::CallableWrapperBase<void>> = {get() = 0x7f0054047050}}
functionsHandled = 6
functionsToHandle = 10
#4 0x00007f01118ff41d in WTF::RunLoop::<lambda(gpointer)>::operator() (__closure=0x0, userData=<optimized out>) at ../Source/WTF/wtf/glib/RunLoopGLib.cpp:68
#5 0x00007f01118ff41d in WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer) () at ../Source/WTF/wtf/glib/RunLoopGLib.cpp:70
#6 0x00007f0112037bce in g_main_dispatch (context=0x55964ecc7e20) at ../glib/gmain.c:3309
dispatch = 0x7f01118ff430 <WTF::<lambda(GSource*, GSourceFunc, gpointer)>::_FUN(GSource *, GSourceFunc, gpointer)>
prev_source = 0x0
was_in_call = 0
user_data = 0x7f0106dfa000
callback = 0x7f01118ff410 <WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer)>
cb_funcs = 0x7f011210e280 <g_source_callback_funcs>
cb_data = 0x55964ee341c0
need_destroy = <optimized out>
source = 0x55964ee28cb0
current = 0x55964ecd1430
i = 0
__func__ = "g_main_dispatch"
#7 0x00007f0112037bce in g_main_context_dispatch (context=context at entry=0x55964ecc7e20) at ../glib/gmain.c:3974
#8 0x00007f0112037f80 in g_main_context_iterate (context=0x55964ecc7e20, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at ../glib/gmain.c:4047
max_priority = 100
timeout = 0
some_ready = 1
nfds = <optimized out>
allocated_nfds = <optimized out>
fds = 0x55964f3d3580
#9 0x00007f0112038273 in g_main_loop_run (loop=0x55964ed90860) at ../glib/gmain.c:4241
__func__ = "g_main_loop_run"
#10 0x00007f01118ffeb0 in WTF::RunLoop::run() () at ../Source/WTF/wtf/glib/RunLoopGLib.cpp:96
runLoop = @0x7f0106dfa000: {<WTF::FunctionDispatcher> = {<WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher, (WTF::DestructionThread)0>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 38}, static is_always_lock_free = true}}, <No data fields>}, _vptr.FunctionDispatcher = 0x7f0111c0c240 <vtable for WTF::RunLoop+16>}, m_functionQueueLock = {static isHeldBit = 1 '\001', static hasParkedBit = 2 '\002', m_byte = {value = {<std::__atomic_base<unsigned char>> = {static _S_alignment = 1, _M_i = 0 '\000'}, static is_always_lock_free = true}}}, m_functionQueue = {m_start = 86, m_end = 90, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()>, WTF::FastMalloc>> = {m_buffer = 0x7f009414aa80, m_capacity = 108, m_size = 0}, <No data fields>}}, m_mainContext = {m_ptr = 0x55964ecc7e20}, m_mainLoops = {<WTF::VectorBuffer<WTF::GRefPtr<_GMainLoop>, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WTF::GRefPtr<_GMainLoop>, WTF::FastMalloc>> = {m_buffer = 0x7f0106df9000, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}, m_source = {m_ptr = 0x55964ee28cb0}}
mainContext = 0x55964ecc7e20
innermostLoop = 0x55964ed90860
nestedMainLoop = <optimized out>
#11 0x00007f0113f4145f in WebKit::AuxiliaryProcessMain<WebKit::WebProcess, WebKit::WebProcessMainGtk>(int, char**) (argc=3, argv=<optimized out>) at ../Source/WebKit/Shared/AuxiliaryProcessMain.h:49
auxiliaryMain = {<WebKit::AuxiliaryProcessMainBase> = {_vptr.AuxiliaryProcessMainBase = 0x7f0116384110 <vtable for WebKit::WebProcessMainGtk+16>, m_parameters = {uiProcessName = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <error reading variable: Missing ELF symbol "WTF::RefPtr<WTF::StringImpl, WTF::DumbPtrTraits<WTF::StringImpl> >::isRefPtr".>, m_ptr = 0x0}}, clientIdentifier = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <error reading variable: Missing ELF symbol "WTF::RefPtr<WTF::StringImpl, WTF::DumbPtrTraits<WTF::StringImpl> >::isRefPtr".>, m_ptr = 0x0}}, processIdentifier = {<WTF::constexpr_Optional_base<WTF::ObjectIdentifier<WebCore::ProcessIdentifierType> >> = {init_ = true, storage_ = {dummy_ = 75 'K', value_ = {<WTF::ObjectIdentifierBase> = {<No data fields>}, m_identifier = 75, static m_generationProtected = false}}}, <No data fields>}, connectionIdentifier = 94, extraInitializationData = {m_impl = {static smallMaxLoadNumerator = <optimized out>, static smallMaxLoadDenominator = <optimized out>, static largeMaxLoadNumerator = <optimized out>, static largeMaxLoadDenominator = <optimized out>, static maxSmallTableCapacity = <optimized out>, static minLoad = <optimized out>, static tableSizeOffset = <optimized out>, static tableSizeMaskOffset = <optimized out>, static keyCountOffset = <optimized out>, static deletedCountOffset = <optimized out>, static metadataSize = <optimized out>, m_table = 0x0}}, processType = WebKit::AuxiliaryProcess::ProcessType::WebContent}}, <No data fields>}
#12 0x00007f0112f87043 in __libc_start_main (main=0x55964d59c820 <main(int, char**)>, argc=3, argv=0x7ffd4fd9cd88, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd4fd9cd78) at ../csu/libc-start.c:308
result = <optimized out>
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {94104031185280, 1728232511868871156, 94104031185024, 140725943127424, 0, 0, -1728971161859415564, -1587009104334315020}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x3, 0x7ffd4fd9cd88}, data = {prev = 0x0, cleanup = 0x0, canceltype = 3}}}
not_first_call = <optimized out>
#13 0x000055964d59c8ae in _start () at ../sysdeps/x86_64/start.S:120
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