[Webkit-unassigned] [Bug 214812] New: [GStreamer] UI process crash during user media permission request calling gst_v4l2_open() in UI process

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sun Jul 26 13:42:22 PDT 2020


https://bugs.webkit.org/show_bug.cgi?id=214812

            Bug ID: 214812
           Summary: [GStreamer] UI process crash during user media
                    permission request calling gst_v4l2_open() in UI
                    process
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebRTC
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at gnome.org
                CC: youennf at gmail.com

This looks identical to bug #214811, except it occurs in the UI process.

We should ideally not link to GStreamer at all in the unsandboxed UI process. :/ I wonder, is it possible to avoid gst_v4l2_open() in the UI process?

Again, note frame 5 of the backtrace:

#5  0x00007f45f305fb09 in gst_v4l2_open (v4l2object=v4l2object at entry=0x44e15a0) at v4l2_calls.c:621
        __txt = 0x3fd9ee0 "Could not open device '/dev/video0' for reading and writing."
        __dbg = 0x3e40dd0 "system error: Permission denied"
        st = 
            {st_dev = 5, st_ino = 594457, st_nlink = 1, st_mode = 8576, st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 20736, st_size = 0, st_blksize = 4096, st_blocks = 0, st_atim = {tv_sec = 1595793659, tv_nsec = 652724677}, st_mtim = {tv_sec = 1595793659, tv_nsec = 652724677}, st_ctim = {tv_sec = 1595793659, tv_nsec = 652724677}, __glibc_reserved = {0, 0, 0}}
        libv4l2_fd = -1
        __func__ = "gst_v4l2_open"

(gdb) bt full
#0  g_logv
    (log_domain=0x7f4601eca960 <g_log_domain_gstreamer> "GStreamer", log_level=G_LOG_LEVEL_CRITICAL, format=<optimized out>, args=<optimized out>) at ../glib/gmessages.c:1377
        domain = 0x0
        data = 0x0
        depth = 0
        log_func = 0x7f4601e1a5e0 <debug_log_handler>
        domain_fatal_mask = <optimized out>
        masquerade_fatal = <optimized out>
        test_level = <optimized out>
        was_fatal = <optimized out>
        was_recursion = <optimized out>
        msg = 0x41fd800 "gst_element_message_full_with_details: assertion 'GST_IS_ELEMENT (element)' failed"
        msg_alloc = 0x41fd800 "gst_element_message_full_with_details: assertion 'GST_IS_ELEMENT (element)' failed"
        i = 3
#1  0x00007f460caec233 in g_log
    (log_domain=<optimized out>, log_level=log_level at entry=G_LOG_LEVEL_CRITICAL, format=format at entry=0x7f460cb3e6ff "%s: assertion '%s' failed") at ../glib/gmessages.c:1415
        args = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7ffd99045250, reg_save_area = 0x7ffd99045190}}
#2  0x00007f460caeca2d in g_return_if_fail_warning
    (log_domain=<optimized out>, pretty_function=pretty_function at entry=0x7f4601ed5ac0 <__func__.24665> "gst_element_message_full_with_details", expression=<optimized out>) at ../glib/gmessages.c:2771
#3  0x00007f4601e4bc08 in gst_element_message_full_with_details
    (element=<optimized out>, type=type at entry=GST_MESSAGE_ERROR, domain=4354, code=code at entry=7, text=text at entry=0x3fd9ee0 "Could not open device '/dev/video0' for reading and writing.", debug=debug at entry=0x3e40dd0 "system error: Permission denied", file=0x7f45f306d4e9 "v4l2_calls.c", function=0x7f45f306e360 <__func__.29605> "gst_v4l2_open", line=621, structure=0x0) at gstelement.c:2112
        gerror = 0x0
        name = <optimized out>
        sent_text = <optimized out>
        sent_debug = <optimized out>
        has_debug = 1
        message = 0x0
        __PRETTY_FUNCTION__ = "gst_element_message_full_with_details"
        __func__ = "gst_element_message_full_with_details"
#4  0x00007f4601e4bc4c in gst_element_message_full
    (element=<optimized out>, type=type at entry=GST_MESSAGE_ERROR, domain=<optimized out>, code=code at entry=7, text=text at entry=0x3fd9ee0 "Could not open device '/dev/video0' for reading and writing.", debug=debug at entry=0x3e40dd0 "system error: Permission denied", file=0x7f45f306d4e9 "v4l2_calls.c", function=0x7f45f306e360 <__func__.29605> "gst_v4l2_open", line=621) at gstelement.c:2204
#5  0x00007f45f305fb09 in gst_v4l2_open (v4l2object=v4l2object at entry=0x44e15a0) at v4l2_calls.c:621
        __txt = 0x3fd9ee0 "Could not open device '/dev/video0' for reading and writing."
        __dbg = 0x3e40dd0 "system error: Permission denied"
        st = 
            {st_dev = 5, st_ino = 594457, st_nlink = 1, st_mode = 8576, st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 20736, st_size = 0, st_blksize = 4096, st_blocks = 0, st_atim = {tv_sec = 1595793659, tv_nsec = 652724677}, st_mtim = {tv_sec = 1595793659, tv_nsec = 652724677}, st_ctim = {tv_sec = 1595793659, tv_nsec = 652724677}, __glibc_reserved = {0, 0, 0}}
        libv4l2_fd = -1
        __func__ = "gst_v4l2_open"
#6  0x00007f45f303bdfb in gst_v4l2_device_provider_probe_device
    (device_name=0x0, props=0x257a2c0, device_path=0x4207bd0 "/dev/video0", provider=0x30e6830 [GstV4l2DeviceProvider]--Type <RET> for more, q to quit, c to continue without paging--c
) at gstv4l2deviceprovider.c:119
        v4l2obj = 0x44e15a0
        device = 0x0
        type = GST_V4L2_DEVICE_TYPE_INVALID
        caps = <optimized out>
        st = {st_dev = 5, st_ino = 594457, st_nlink = 1, st_mode = 8576, st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 20736, st_size = 0, st_blksize = 4096, st_blocks = 0, st_atim = {tv_sec = 1595793659, tv_nsec = 652724677}, st_mtim = {tv_sec = 1595793659, tv_nsec = 652724677}, st_ctim = {tv_sec = 1595793659, tv_nsec = 652724677}, __glibc_reserved = {0, 0, 0}}
        __func__ = "gst_v4l2_device_provider_probe_device"
        props = 0x257a2c0
        device = <optimized out>
        self = 0x30e6830 [GstV4l2DeviceProvider]
        it = 0x30a8d60
        devices = 0x0
#7  gst_v4l2_device_provider_probe (provider=0x30e6830 [GstV4l2DeviceProvider]) at gstv4l2deviceprovider.c:213
        props = 0x257a2c0
        device = <optimized out>
        self = 0x30e6830 [GstV4l2DeviceProvider]
        it = 0x30a8d60
        devices = 0x0
#8  0x00007f4601e44c0d in gst_device_provider_get_devices (provider=provider at entry=0x30e6830 [GstV4l2DeviceProvider]) at gstdeviceprovider.c:420
        klass = 0x3315070
        devices = 0x0
        started = <optimized out>
        item = <optimized out>
        __func__ = "gst_device_provider_get_devices"
#9  0x00007f4601e4340d in gst_device_monitor_get_devices (monitor=0x23da5b0 [GstDeviceMonitor]) at gstdevicemonitor.c:393
        tmpdev = <optimized out>
        provider = 0x30e6830 [GstV4l2DeviceProvider]
        item = <optimized out>
        devices = 0x0
        hidden = 0x0
        i = 0
        cookie = 1
        __func__ = "gst_device_monitor_get_devices"
        __PRETTY_FUNCTION__ = "gst_device_monitor_get_devices"
#10 0x00007f460aaec7b5 in WebCore::GStreamerCaptureDeviceManager::refreshCaptureDevices() (this=0x7f460c0a9740 <WebCore::GStreamerVideoCaptureDeviceManager::singleton()::manager>) at DerivedSources/ForwardingHeaders/wtf/glib/GRefPtr.h:105
        __FUNCTION__ = "refreshCaptureDevices"
        devices = <optimized out>
#11 0x00007f460aaec96a in WebCore::GStreamerCaptureDeviceManager::captureDevices() (this=0x7f460c0a9740 <WebCore::GStreamerVideoCaptureDeviceManager::singleton()::manager>) at ../../Source/WebCore/platform/mediastream/gstreamer/GStreamerCaptureDeviceManager.cpp:84
#12 0x00007f460a3319b1 in WebCore::RealtimeMediaSourceCenter::getMediaStreamDevices() (this=0x7f460c0a04c0 <WebCore::RealtimeMediaSourceCenter::singleton()::center>) at ../../Source/WebCore/platform/mediastream/RealtimeMediaSourceCenter.cpp:122
        device = <optimized out>
        __for_range = <optimized out>
        __for_begin = <optimized out>
        __for_end = <optimized out>
        result = {<WTF::VectorBuffer<WebCore::CaptureDevice, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WebCore::CaptureDevice, WTF::FastMalloc>> = {m_buffer = 0x7f45f2e13500, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}
#13 0x00007f4608c1912e in WebKit::UserMediaPermissionRequestManagerProxy::computeFilteredDeviceList(bool, WTF::String const&) (this=0x7f45f081e930, revealIdsAndLabels=true, deviceIDHashSalt=...) at ../../Source/WebKit/UIProcess/UserMediaPermissionRequestManagerProxy.cpp:606
        devices = {<WTF::VectorBuffer<WebCore::CaptureDevice, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WebCore::CaptureDevice, WTF::FastMalloc>> = {m_buffer = 0x7f45f2e13500, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}
        cameraCount = <optimized out>
        microphoneCount = <optimized out>
        filteredDevices = {<WTF::VectorBuffer<WebCore::CaptureDevice, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WebCore::CaptureDevice, WTF::FastMalloc>> = {m_buffer = 0x91bf0def, m_capacity = 1055669231, m_size = 1104660344}, <No data fields>}, <No data fields>}
        __func__ = "computeFilteredDeviceList"
#14 0x00007f4608c1abea in operator() (deviceIDHashSalt=..., __closure=0x7f45f2e16440) at ../../Source/WebKit/UIProcess/UserMediaPermissionRequestManagerProxy.cpp:689
        originHasPersistentAccess = false
        topLevelDocumentOrigin = {static isRef = <optimized out>, m_ptr = 0x7f45f0875f80}
        weakThis = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f2eaa480}}
        this = 0x7f45f081e930
        completionHandler = {m_function = {m_callableWrapper = std::unique_ptr<class WTF::Detail::CallableWrapperBase<void, WTF::Vector<WebCore::CaptureDevice, 0, WTF::CrashOnOverflow, 16, WTF::FastMalloc> const&, WTF::String const&>> = {get() = 0x7f458bbec870}}}
        userMediaDocumentOrigin = {static isRef = <optimized out>, m_ptr = 0x7f45f0875fc0}
        frameID = {<WTF::ObjectIdentifierBase> = {<No data fields>}, m_identifier = 14, static m_generationProtected = false}
        requestID = 34
#15 WTF::Detail::CallableWrapper<WebKit::UserMediaPermissionRequestManagerProxy::enumerateMediaDevicesForFrame(WebCore::FrameIdentifier, WTF::Ref<WebCore::SecurityOrigin>&&, WTF::Ref<WebCore::SecurityOrigin>&&, WTF::CompletionHandler<void(const WTF::Vector<WebCore::CaptureDevice>&, const WTF::String&)>&&)::<lambda(WebKit::UserMediaPermissionRequestManagerProxy::PermissionInfo)> mutable::<lambda(WTF::String&&)>, void, WTF::String&&>::call(WTF::String &&) (this=0x7f45f2e16438, in#0=...) at DerivedSources/ForwardingHeaders/wtf/Function.h:52
#16 0x00007f4608c01869 in WTF::Function<void (WTF::String&&)>::operator()(WTF::String&&) const (in#0=..., this=<optimized out>) at DerivedSources/ForwardingHeaders/wtf/Function.h:80
        origins = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f2eca5f0}}
        deviceIdHashSalt = <optimized out>
#17 WTF::CompletionHandler<void (WTF::String&&)>::operator()(WTF::String&&) (in#0=..., this=0x7f45f08e00a0) at DerivedSources/ForwardingHeaders/wtf/CompletionHandler.h:62
        origins = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f2eca5f0}}
        deviceIdHashSalt = <optimized out>
#18 WebKit::DeviceIdHashSaltStorage::completeDeviceIdHashSaltForOriginCall(WebCore::SecurityOriginData&&, WebCore::SecurityOriginData&&, WTF::CompletionHandler<void (WTF::String&&)>&&) (this=this at entry=0x7f45f08f23f0, documentOrigin=..., parentOrigin=..., completionHandler=...) at ../../Source/WebKit/UIProcess/DeviceIdHashSaltStorage.cpp:226
        origins = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f2eca5f0}}
        deviceIdHashSalt = <optimized out>
#19 0x00007f4608c01e25 in WebKit::DeviceIdHashSaltStorage::deviceIdHashSaltForOrigin(WebCore::SecurityOrigin const&, WebCore::SecurityOrigin const&, WTF::CompletionHandler<void (WTF::String&&)>&&) (this=this at entry=0x7f45f08f23f0, documentOrigin=..., parentOrigin=..., completionHandler=...) at DerivedSources/ForwardingHeaders/wtf/Optional.h:373
#20 0x00007f4608c1a9ba in operator() (permissionInfo=<optimized out>, __closure=0x7f45f2e05578) at /usr/include/c++/10/bits/unique_ptr.h:354
        originHasPersistentAccess = false
        requestOrigin = @0x7f45f0875fc0: {<WTF::ThreadSafeRefCounted<WebCore::SecurityOrigin, (WTF::DestructionThread)0>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 2}, static is_always_lock_free = true}}, <No data fields>}, m_data = {protocol = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f2efa3c0}}, host = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f2e69028}}, port = {<WTF::constexpr_Optional_base<unsigned short>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = 0}}, <No data fields>}}, m_domain = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f2e69028}}, m_filePath = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x0}}, m_isUnique = false, m_universalAccess = false, m_domainWasSetInDOM = false, m_canLoadLocalResources = false, m_storageBlockingPolicy = WebCore::SecurityOrigin::AllowAllStorage, m_enforcesFilePathSeparation = false, m_needsStorageAccessFromFileURLsQuirk = false, m_isPotentiallyTrustworthy = true, m_isLocal = false}
        topOrigin = @0x7f45f0875f80: {<WTF::ThreadSafeRefCounted<WebCore::SecurityOrigin, (WTF::DestructionThread)0>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 2}, static is_always_lock_free = true}}, <No data fields>}, m_data = {protocol = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f2efa380}}, host = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f08827d0}}, port = {<WTF::constexpr_Optional_base<unsigned short>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = 0}}, <No data fields>}}, m_domain = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f08827d0}}, m_filePath = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x0}}, m_isUnique = false, m_universalAccess = false, m_domainWasSetInDOM = false, m_canLoadLocalResources = false, m_storageBlockingPolicy = WebCore::SecurityOrigin::AllowAllStorage, m_enforcesFilePathSeparation = false, m_needsStorageAccessFromFileURLsQuirk = false, m_isPotentiallyTrustworthy = true, m_isLocal = false}
        requestID = 34
        topLevelDocumentOrigin = {static isRef = <optimized out>, m_ptr = 0x0}
        this = 0x7f45f081e930
        completionHandler = {m_function = {m_callableWrapper = std::unique_ptr<class WTF::Detail::CallableWrapperBase<void, WTF::Vector<WebCore::CaptureDevice, 0, WTF::CrashOnOverflow, 16, WTF::FastMalloc> const&, WTF::String const&>> = {get() = 0x0}}}
        userMediaDocumentOrigin = {static isRef = <optimized out>, m_ptr = 0x0}
        frameID = {<WTF::ObjectIdentifierBase> = {<No data fields>}, m_identifier = 14, static m_generationProtected = false}
#21 WTF::Detail::CallableWrapper<WebKit::UserMediaPermissionRequestManagerProxy::enumerateMediaDevicesForFrame(WebCore::FrameIdentifier, WTF::Ref<WebCore::SecurityOrigin>&&, WTF::Ref<WebCore::SecurityOrigin>&&, WTF::CompletionHandler<void(const WTF::Vector<WebCore::CaptureDevice>&, const WTF::String&)>&&)::<lambda(WebKit::UserMediaPermissionRequestManagerProxy::PermissionInfo)>, void, WebKit::UserMediaPermissionCheckProxy::PermissionInfo>::call(WebKit::UserMediaPermissionCheckProxy::PermissionInfo) (this=0x7f45f2e05570, in#0=<optimized out>) at DerivedSources/ForwardingHeaders/wtf/Function.h:52
#22 0x00007f4608c1ad22 in WTF::Function<void (WebKit::UserMediaPermissionCheckProxy::PermissionInfo)>::operator()(WebKit::UserMediaPermissionCheckProxy::PermissionInfo) const (in#0=<optimized out>, this=<optimized out>) at DerivedSources/ForwardingHeaders/wtf/Function.h:80
        handler = {m_function = {m_callableWrapper = std::unique_ptr<class WTF::Detail::CallableWrapperBase<void, WebKit::UserMediaPermissionCheckProxy::PermissionInfo>> = {get() = 0x0}}}
        requestID = 33
        weakThis = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f2eaa480}}
        this = 0x7f45f081e930
#23 WTF::CompletionHandler<void (WebKit::UserMediaPermissionCheckProxy::PermissionInfo)>::operator()(WebKit::UserMediaPermissionCheckProxy::PermissionInfo) (in#0=<optimized out>, this=0x7f45f0887020) at DerivedSources/ForwardingHeaders/wtf/CompletionHandler.h:62
        handler = {m_function = {m_callableWrapper = std::unique_ptr<class WTF::Detail::CallableWrapperBase<void, WebKit::UserMediaPermissionCheckProxy::PermissionInfo>> = {get() = 0x0}}}
        requestID = 33
        weakThis = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f2eaa480}}
        this = 0x7f45f081e930
#24 operator()<WebKit::UserMediaPermissionCheckProxy::PermissionInfo> (permissionInfo=<optimized out>, __closure=0x7f45f0887008) at ../../Source/WebKit/UIProcess/UserMediaPermissionRequestManagerProxy.cpp:575
        handler = {m_function = {m_callableWrapper = std::unique_ptr<class WTF::Detail::CallableWrapperBase<void, WebKit::UserMediaPermissionCheckProxy::PermissionInfo>> = {get() = 0x0}}}
        requestID = 33
        weakThis = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f2eaa480}}
        this = 0x7f45f081e930
#25 WTF::Detail::CallableWrapper<WebKit::UserMediaPermissionRequestManagerProxy::getUserMediaPermissionInfo(WebCore::FrameIdentifier, WTF::Ref<WebCore::SecurityOrigin>&&, WTF::Ref<WebCore::SecurityOrigin>&&, WTF::CompletionHandler<void(WebKit::UserMediaPermissionCheckProxy::PermissionInfo)>&&)::<lambda(auto:26)>, void, WebKit::UserMediaPermissionCheckProxy::PermissionInfo>::call(WebKit::UserMediaPermissionCheckProxy::PermissionInfo) (this=0x7f45f0887000, in#0=<optimized out>) at DerivedSources/ForwardingHeaders/wtf/Function.h:52
#26 0x00007f4608c165dc in WTF::Function<void (WebKit::UserMediaPermissionCheckProxy::PermissionInfo)>::operator()(WebKit::UserMediaPermissionCheckProxy::PermissionInfo) const (in#0=<optimized out>, this=<optimized out>) at DerivedSources/ForwardingHeaders/wtf/Function.h:80
#27 WTF::CompletionHandler<void (WebKit::UserMediaPermissionCheckProxy::PermissionInfo)>::operator()(WebKit::UserMediaPermissionCheckProxy::PermissionInfo) (in#0=<optimized out>, this=<synthetic pointer>) at DerivedSources/ForwardingHeaders/wtf/CompletionHandler.h:62
#28 WebKit::UserMediaPermissionCheckProxy::complete(WebKit::UserMediaPermissionCheckProxy::PermissionInfo) (this=<optimized out>, info=<optimized out>) at ../../Source/WebKit/UIProcess/UserMediaPermissionCheckProxy.cpp:61
#29 0x00007f4608d1ebc3 in webkitWebViewPermissionRequest(WebKitWebView*, WebKitPermissionRequest*) (request=0x449cda0) at ../../Source/WebKit/UIProcess/API/glib/WebKitWebView.cpp:526
#30 0x00007f4604aa0af0 in ffi_call_unix64 () at ../src/x86/unix64.S:76
#31 0x00007f4604aa02ab in ffi_call (cif=cif at entry=0x7ffd99045cc0, fn=fn at entry=0x7f4608d1eb90 <webkitWebViewPermissionRequest(WebKitWebView*, WebKitPermissionRequest*)>, rvalue=<optimized out>, avalue=avalue at entry=0x7ffd99045c10) at ../src/x86/ffi64.c:525
        classes = {X86_64_INTEGER_CLASS, 32765, 2567199840, 32765}
        stack = <optimized out>
        argp = 0x7ffd99045b10 "\n"
        arg_types = <optimized out>
        gprcount = 3
        ssecount = <optimized out>
        ngpr = 1
        nsse = 0
        i = <optimized out>
        avn = <optimized out>
        ret_in_memory = <optimized out>
        reg_args = <optimized out>
#36 0x00007f460cbe8c63 in <emit signal ??? on instance 0x4319550 [EphyWebView]> (instance=<optimized out>, signal_id=<optimized out>, detail=detail at entry=0) at ../gobject/gsignal.c:3554
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7ffd99046140, reg_save_area = 0x7ffd99046080}}
    #32 0x00007f460cbd038d in g_cclosure_marshal_generic (closure=<optimized out>, return_gvalue=<optimized out>, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=<optimized out>) at ../gobject/gclosure.c:1500
                rtype = <optimized out>
                rvalue = 0x7ffd99045c50
                n_args = <optimized out>
                atypes = <optimized out>
                args = <optimized out>
                i = <optimized out>
                cif = {abi = FFI_UNIX64, nargs = 3, arg_types = 0x7ffd99045c30, rtype = 0x7f4604aa10c0 <ffi_type_sint32>, bytes = 0, flags = 10}
                cc = <optimized out>
                enum_tmpval = <optimized out>
                tmpval_used = 0
    #33 0x00007f460cbcf88a in g_closure_invoke (closure=<optimized out>, return_value=<optimized out>, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>) at ../gobject/gclosure.c:810
                real_closure = <optimized out>
                __func__ = "g_closure_invoke"
    #34 0x00007f460cbe1e7e in signal_emit_unlocked_R (node=<optimized out>, detail=detail at entry=0, instance=instance at entry=0x4319550, emission_return=emission_return at entry=0x7ffd99045fb0, instance_and_params=instance_and_params at entry=0x7ffd99045ec0) at ../gobject/gsignal.c:3780
                accumulator = 0x2876150
                emission = {next = 0x0, instance = 0x4319550, ihint = {signal_id = 365, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 0x23ccf60 [EphyWebView/WebKitWebView/WebKitWebViewBase/GtkContainer/GtkWidget/GInitiallyUnowned]}
                hlist = <optimized out>
                handler_list = <optimized out>
                return_accu = 0x7ffd99045e60
                accu = {g_type = 0x14 [gboolean], data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
                signal_id = 365
                max_sequential_handler_number = 23194
                return_value_altered = <optimized out>
    #35 0x00007f460cbe83be in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args at entry=0x7ffd99046060) at ../gobject/gsignal.c:3508
                return_value = {g_type = 0x14 [gboolean], data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
                error = 0x0
                rtype = 0x14 [gboolean]
                static_scope = 0
                instance_and_params = 0x7ffd99045ec0
                signal_return_type = <optimized out>
                param_values = 0x7ffd99045ed8
                node = <optimized out>
                i = <optimized out>
                n_params = <optimized out>
                __func__ = "g_signal_emit_valist"
#37 0x00007f4608d218eb in webkitWebViewMakePermissionRequest(_WebKitWebView*, _WebKitPermissionRequest*) (webView=<optimized out>, request=<optimized out>) at ../../Source/WebKit/UIProcess/API/glib/WebKitWebView.cpp:2561
        returnValue = 32581
#38 0x00007f4608d0f7eb in UIClient::checkUserMediaPermissionForOrigin(WebKit::WebPageProxy&, WebKit::WebFrameProxy&, API::SecurityOrigin&, API::SecurityOrigin&, WebKit::UserMediaPermissionCheckProxy&) (this=0x7f45f2e1e2a0, page=..., userMediaDocumentOrigin=..., topLevelDocumentOrigin=..., permissionRequest=...) at ../../Source/WebKit/UIProcess/API/glib/WebKitUIClient.cpp:295
        deviceInfoPermissionRequest = {m_ptr = 0x449cda0 [WebKitDeviceInfoPermissionRequest]}
#39 0x00007f4608c198e8 in WebKit::UserMediaPermissionRequestManagerProxy::getUserMediaPermissionInfo(WTF::ObjectIdentifier<WebCore::FrameIdentifierType>, WTF::Ref<WebCore::SecurityOrigin, WTF::DumbPtrTraits<WebCore::SecurityOrigin> >&&, WTF::Ref<WebCore::SecurityOrigin, WTF::DumbPtrTraits<WebCore::SecurityOrigin> >&&, WTF::CompletionHandler<void (WebKit::UserMediaPermissionCheckProxy::PermissionInfo)>&&) (this=this at entry=0x7f45f081e930, frameID=frameID at entry=..., userMediaDocumentOrigin=..., topLevelDocumentOrigin=..., handler=...) at /usr/include/c++/10/bits/unique_ptr.h:78
        webFrame = <optimized out>
        requestID = 33
#40 0x00007f4608c1a788 in WebKit::UserMediaPermissionRequestManagerProxy::enumerateMediaDevicesForFrame(WTF::ObjectIdentifier<WebCore::FrameIdentifierType>, WTF::Ref<WebCore::SecurityOrigin, WTF::DumbPtrTraits<WebCore::SecurityOrigin> >&&, WTF::Ref<WebCore::SecurityOrigin, WTF::DumbPtrTraits<WebCore::SecurityOrigin> >&&, WTF::CompletionHandler<void (WTF::Vector<WebCore::CaptureDevice, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WTF::String const&)>&&) (this=this at entry=0x7f45f081e930, frameID=..., userMediaDocumentOrigin=..., topLevelDocumentOrigin=..., completionHandler=...) at /usr/include/c++/10/bits/unique_ptr.h:354
        __func__ = "enumerateMediaDevicesForFrame"
        callback = {__this = <optimized out>, __frameID = {<WTF::ObjectIdentifierBase> = {<No data fields>}, m_identifier = 14, static m_generationProtected = false}, __userMediaDocumentOrigin = {static isRef = <optimized out>, m_ptr = <optimized out>}, __topLevelDocumentOrigin = {static isRef = <optimized out>, m_ptr = <optimized out>}, __completionHandler = {m_function = {m_callableWrapper = std::unique_ptr<class WTF::Detail::CallableWrapperBase<void, WTF::Vector<WebCore::CaptureDevice, 0, WTF::CrashOnOverflow, 16, WTF::FastMalloc> const&, WTF::String const&>> = {get() = <optimized out>}}}}
#41 0x00007f4608c4da8f in WebKit::WebPageProxy::enumerateMediaDevicesForFrame(WTF::ObjectIdentifier<WebCore::FrameIdentifierType>, WebCore::SecurityOriginData const&, WebCore::SecurityOriginData const&, WTF::CompletionHandler<void (WTF::Vector<WebCore::CaptureDevice, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WTF::String const&)>&&) (this=<optimized out>, frameID=..., userMediaDocumentOriginData=..., topLevelDocumentOriginData=..., completionHandler=...) at ../../Source/WebKit/UIProcess/WebPageProxy.cpp:8106
        frame = <optimized out>
#42 0x00007f4608961c99 in IPC::callMemberFunctionImpl<WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(WTF::ObjectIdentifier<WebCore::FrameIdentifierType>, WebCore::SecurityOriginData const&, WebCore::SecurityOriginData const&, WTF::CompletionHandler<void (WTF::Vector<WebCore::CaptureDevice, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WTF::String const&)>&&), void (WTF::Vector<WebCore::CaptureDevice, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WTF::String const&), std::tuple<WTF::ObjectIdentifier<WebCore::FrameIdentifierType>, WebCore::SecurityOriginData, WebCore::SecurityOriginData>, 0ul, 1ul, 2ul>(WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(WTF::ObjectIdentifier<WebCore::FrameIdentifierType>, WebCore::SecurityOriginData const&, WebCore::SecurityOriginData const&, WTF::CompletionHandler<void (WTF::Vector<WebCore::CaptureDevice, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WTF::String const&)>&&), WTF::CompletionHandler<void (WTF::Vector<WebCore::CaptureDevice, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WTF::String const&)>&&, std::tuple<WTF::ObjectIdentifier<WebCore::FrameIdentifierType>, WebCore::SecurityOriginData, WebCore::SecurityOriginData>&&, std::integer_sequence<unsigned long, 0ul, 1ul, 2ul>) (args=..., completionHandler=..., function=<optimized out>, object=0x7f45939f9000) at /usr/include/c++/10/tuple:1306
        listenerID = {<WTF::constexpr_Optional_base<unsigned long>> = {init_ = true, storage_ = {dummy_ = 123 '{', value_ = 123}}, <No data fields>}
        arguments = {<WTF::Optional_base<std::tuple<WTF::ObjectIdentifier<WebCore::FrameIdentifierType>, WebCore::SecurityOriginData, WebCore::SecurityOriginData> >> = {init_ = true, storage_ = {dummy_ = 64 '@', value_ = std::tuple containing = {[1] = {<WTF::ObjectIdentifierBase> = {<No data fields>}, m_identifier = 14, static m_generationProtected = false}, [2] = {protocol = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f2efa320}}, host = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f0882730}}, port = {<WTF::constexpr_Optional_base<unsigned short>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = 0}}, <No data fields>}}, [3] = {protocol = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f2efa340}}, host = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f0882758}}, port = {<WTF::constexpr_Optional_base<unsigned short>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = 0}}, <No data fields>}}}}}, <No data fields>}
        completionHandler = {m_function = {m_callableWrapper = std::unique_ptr<class WTF::Detail::CallableWrapperBase<void, WTF::Vector<WebCore::CaptureDevice, 0, WTF::CrashOnOverflow, 16, WTF::FastMalloc> const&, WTF::String const&>> = {get() = 0x0}}}
warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7f46066df470 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

#43 IPC::callMemberFunction<WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(WTF::ObjectIdentifier<WebCore::FrameIdentifierType>, WebCore::SecurityOriginData const&, WebCore::SecurityOriginData const&, WTF::CompletionHandler<void (WTF::Vector<WebCore::CaptureDevice, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WTF::String const&)>&&), void (WTF::Vector<WebCore::CaptureDevice, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WTF::String const&), std::tuple<WTF::ObjectIdentifier<WebCore::FrameIdentifierType>, WebCore::SecurityOriginData, WebCore::SecurityOriginData>, std::integer_sequence<unsigned long, 0ul, 1ul, 2ul> >(std::tuple<WTF::ObjectIdentifier<WebCore::FrameIdentifierType>, WebCore::SecurityOriginData, WebCore::SecurityOriginData>&&, WTF::CompletionHandler<void (WTF::Vector<WebCore::CaptureDevice, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WTF::String const&)>&&, WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(WTF::ObjectIdentifier<WebCore::FrameIdentifierType>, WebCore::SecurityOriginData const&, WebCore::SecurityOriginData const&, WTF::CompletionHandler<void (WTF::Vector<WebCore::CaptureDevice, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WTF::String const&)>&&)) (function=<optimized out>, object=0x7f45939f9000, completionHandler=..., args=...) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:61
        listenerID = {<WTF::constexpr_Optional_base<unsigned long>> = {init_ = true, storage_ = {dummy_ = 123 '{', value_ = 123}}, <No data fields>}
        arguments = {<WTF::Optional_base<std::tuple<WTF::ObjectIdentifier<WebCore::FrameIdentifierType>, WebCore::SecurityOriginData, WebCore::SecurityOriginData> >> = {init_ = true, storage_ = {dummy_ = 64 '@', value_ = std::tuple containing = {[1] = {<WTF::ObjectIdentifierBase> = {<No data fields>}, m_identifier = 14, static m_generationProtected = false}, [2] = {protocol = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f2efa320}}, host = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f0882730}}, port = {<WTF::constexpr_Optional_base<unsigned short>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = 0}}, <No data fields>}}, [3] = {protocol = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f2efa340}}, host = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f0882758}}, port = {<WTF::constexpr_Optional_base<unsigned short>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = 0}}, <No data fields>}}}}}, <No data fields>}
        completionHandler = {m_function = {m_callableWrapper = std::unique_ptr<class WTF::Detail::CallableWrapperBase<void, WTF::Vector<WebCore::CaptureDevice, 0, WTF::CrashOnOverflow, 16, WTF::FastMalloc> const&, WTF::String const&>> = {get() = 0x0}}}
#44 IPC::handleMessageAsync<Messages::WebPageProxy::EnumerateMediaDevicesForFrame, WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(WTF::ObjectIdentifier<WebCore::FrameIdentifierType>, WebCore::SecurityOriginData const&, WebCore::SecurityOriginData const&, WTF::CompletionHandler<void (WTF::Vector<WebCore::CaptureDevice, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WTF::String const&)>&&)>(IPC::Connection&, IPC::Decoder&, WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(WTF::ObjectIdentifier<WebCore::FrameIdentifierType>, WebCore::SecurityOriginData const&, WebCore::SecurityOriginData const&, WTF::CompletionHandler<void (WTF::Vector<WebCore::CaptureDevice, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WTF::String const&)>&&)) (connection=..., decoder=..., object=object at entry=0x7f45939f9000, function=(void (WebKit::WebPageProxy::*)(class WebKit::WebPageProxy * const, class WTF::ObjectIdentifier<WebCore::FrameIdentifierType>, const struct WebCore::SecurityOriginData &, const struct WebCore::SecurityOriginData &, class WTF::CompletionHandler<void(const WTF::Vector<WebCore::CaptureDevice, 0, WTF::CrashOnOverflow, 16, WTF::FastMalloc>&, const WTF::String&)> &&)) 0x7f4608c4da20 <WebKit::WebPageProxy::enumerateMediaDevicesForFrame(WTF::ObjectIdentifier<WebCore::FrameIdentifierType>, WebCore::SecurityOriginData const&, WebCore::SecurityOriginData const&, WTF::CompletionHandler<void (WTF::Vector<WebCore::CaptureDevice, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WTF::String const&)>&&)>) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:183
        listenerID = {<WTF::constexpr_Optional_base<unsigned long>> = {init_ = true, storage_ = {dummy_ = 123 '{', value_ = 123}}, <No data fields>}
        arguments = {<WTF::Optional_base<std::tuple<WTF::ObjectIdentifier<WebCore::FrameIdentifierType>, WebCore::SecurityOriginData, WebCore::SecurityOriginData> >> = {init_ = true, storage_ = {dummy_ = 64 '@', value_ = std::tuple containing = {[1] = {<WTF::ObjectIdentifierBase> = {<No data fields>}, m_identifier = 14, static m_generationProtected = false}, [2] = {protocol = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f2efa320}}, host = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f0882730}}, port = {<WTF::constexpr_Optional_base<unsigned short>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = 0}}, <No data fields>}}, [3] = {protocol = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f2efa340}}, host = {static MaxLength = 2147483647, m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f45f0882758}}, port = {<WTF::constexpr_Optional_base<unsigned short>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = 0}}, <No data fields>}}}}}, <No data fields>}
        completionHandler = {m_function = {m_callableWrapper = std::unique_ptr<class WTF::Detail::CallableWrapperBase<void, WTF::Vector<WebCore::CaptureDevice, 0, WTF::CrashOnOverflow, 16, WTF::FastMalloc> const&, WTF::String const&>> = {get() = 0x0}}}
warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

#45 0x00007f460893cbf8 in WebKit::WebPageProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&) (this=0x7f45939f9000, connection=..., decoder=...) at DerivedSources/WebKit/WebPageProxyMessageReceiver.cpp:1496
        protectedThis = {static isRef = <optimized out>, m_ptr = 0x7f45939f9000}
#46 0x00007f4608b6e2f9 in IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&) (this=this at entry=0x7f4593bfc9f0, connection=..., decoder=...) at ../../Source/WebKit/Platform/IPC/MessageReceiverMap.cpp:123
        messageReceiver = <optimized out>
#47 0x00007f4608bfc2b9 in WebKit::AuxiliaryProcessProxy::dispatchMessage(IPC::Connection&, IPC::Decoder&) (this=this at entry=0x7f4593bfc9c0, connection=..., decoder=...) at ../../Source/WebKit/UIProcess/AuxiliaryProcessProxy.cpp:209
#48 0x00007f4608c4b223 in WebKit::WebProcessProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&) (this=0x7f4593bfc9c0, connection=..., decoder=...) at ../../Source/WebKit/UIProcess/WebProcessProxy.cpp:770
#49 0x00007f4608b68fcd in IPC::Connection::dispatchMessage(std::unique_ptr<IPC::Decoder, std::default_delete<IPC::Decoder> >) (this=0x7f45f08a5480, message=std::unique_ptr<class IPC::Decoder> = {...}) at /usr/include/c++/10/bits/unique_ptr.h:420
        isDispatchingMessageWhileWaitingForSyncReply = <optimized out>
        oldDidReceiveInvalidMessage = false
#50 0x00007f4608b69727 in IPC::Connection::dispatchIncomingMessages() (this=0x7f45f08a5480) at /usr/include/c++/10/bits/unique_ptr.h:171
        message = std::unique_ptr<class IPC::Decoder> = {get() = 0x0}
        messagesToProcess = 0
        __func__ = "dispatchIncomingMessages"
warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

#51 0x00007f46066951d3 in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at ../../Source/WTF/wtf/Function.h:80
        didSuspendFunctions = false
warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

#52 WTF::RunLoop::performWork() (warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

this=0x7f45f08f8000) at ../../Source/WTF/wtf/RunLoop.cpp:119
        didSuspendFunctions = false
warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

#53 0x00007f46066df479 in warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

operator()warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

 (warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

userData=<optimized out>, __closure=0x0)warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

 at ../../Source/WTF/wtf/glib/RunLoopGLib.cppwarning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

:68
warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

#54 warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

_FUN(gpointer)warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

 ()warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

 at ../../Source/WTF/wtf/glib/RunLoopGLib.cppwarning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

:70
warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7f46066df478 in read in psymtab, but not in symtab.)

#55 0x00007f460cae478f in g_main_dispatch (context=0x23c0400) at ../glib/gmain.c:3309
        dispatch = <optimized out>
        prev_source = 0x0
        was_in_call = <optimized out>
        user_data = 0x7f45f08f8000
        callback = warning: (Internal error: pc 0x7f46066df470 in read in psymtab, but not in symtab.)

0x7f46066df470 <_FUN(gpointer)>
        cb_funcs = 0x7f460cbba280 <g_source_callback_funcs>
        cb_data = 0x24b0df0
        need_destroy = <optimized out>
        source = 0x2486b90
        current = 0x23bfbd0
        i = 0
        __func__ = "g_main_dispatch"
#56 g_main_context_dispatch (context=0x23c0400) at ../glib/gmain.c:3974
#57 0x00007f460cae4b18 in g_main_context_iterate (context=context at entry=0x23c0400, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at ../glib/gmain.c:4047
        max_priority = 2147483647
        timeout = 13
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x429df00
#58 0x00007f460cae4be3 in g_main_context_iteration (context=context at entry=0x23c0400, may_block=may_block at entry=1) at ../glib/gmain.c:4108
        retval = <optimized out>
#59 0x00007f460ccfa72d in g_application_run (application=0x23b8770 [EphyShell], argc=-1727764652, argv=<optimized out>) at ../gio/gapplication.c:2559
        arguments = 0x2459800
        status = 0
        context = 0x23c0400
        acquired_context = <optimized out>
        __func__ = "g_application_run"
#60 0x0000000000404c37 in main (argc=1, argv=0x7ffd99046968) at ../../../../Projects/epiphany/src/ephy-main.c:432
        option_context = 0x23a2000
        option_group = 0x23a2090
        error = 0x0
        user_time = 0
        arbitrary_url = 0
        ctx = 0x27bd7e0
        mode = EPHY_EMBED_SHELL_MODE_BROWSER
        status = 124
        flags = EPHY_FILE_HELPERS_ENSURE_EXISTS
        desktop_info = 0x0

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