eth-sri / r4

WebERA

Install instructions:

1. Install the extended version of EventRacer from https://github.com/sema/EventRacer.

Assuming that the prerequisites have been installed in advance:

git clone https://github.com/sema/EventRacer ~/R4-EventRacer
cd ~/R4-EventRacer
./build.sh

2. Clone the R4 repository:

git clone https://github.com/eth-srl/R4 ~/R4

3. Prepare the environment:

export WEBERA_DIR=~/R4
export EVENTRACER_DIR=~/R4-EventRacer
export LD_LIBRARY_PATH=~/R4/WebKitBuild/Release/lib
export QTDIR=/usr/share/qt4
export PATH=$QTDIR/bin:$PATH

4. Build WebKit:

cd ~/R4
./build.sh

Running

To run R4 on foo.bar:

cd ~/R4/R4
./r4.sh foo.bar

The output is stored in ~/R4/R4/output/foo-bar. To generate a report from the output into ~/R4/R4/report/foo-bar issue the following command:

cd ~/R4/R4
./utils/batch-report/report.py website output report foo-bar

r4's Issues

R4 crashes with segmentation fault during recording (Can't log command WRITE_MEMORY NodeTree:0x2e1ad20)

R4 crashes with a Segmentation fault following: Can't log command WRITE_MEMORY NodeTree:0x2e1ad20.

_manual mode without any user interaction_:

• http://www.ford.com: http://users-cs.au.dk/cqa/R4/output/www-ford-com/runner/record.log

  Can't log command WRITE_MEMORY NodeTree:0x2e1ad20
  1   0x7f2741582844 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_Z16ActionLogFormatVN9ActionLog11CommandTypeEPKcP13__va_list_tag+0x204) [0x7f2741582844]
  2   0x7f2741582b27 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_Z15ActionLogFormatN9ActionLog11CommandTypeEPKcz+0x87) [0x7f2741582b27]
  3   0x7f2740c410a4 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore4Text6createEPNS_8DocumentERKN3WTF6StringE+0x94) [0x7f2740c410a4]
  4   0x7f2740bc9299 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore8Document14createTextNodeERKN3WTF6StringE+0x9) [0x7f2740bc9299]
  5   0x7f2740bb6ddf /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore4Attr15createTextChildEv+0x3f) [0x7f2740bb6ddf]
  6   0x7f2740bb6e89 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore4Attr8setValueERKN3WTF12AtomicStringE+0x79) [0x7f2740bb6e89]
  7   0x7f2740bf8dfe /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element20setAttributeInternalEmRKNS_13QualifiedNameERKN3WTF12AtomicStringENS_23EInUpdateStyleAttributeE+0x6e) [0x7f2740bf8dfe]
  8   0x7f2740c3c7b4 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZNK7WebCore13StyledElement20updateStyleAttributeEv+0x64) [0x7f2740c3c7b4]
  9   0x7f2740bf3609 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZNK7WebCore7Element13hasAttributesEv+0x29) [0x7f2740bf3609]
  10  0x7f2740b53364 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZNK7WebCore15SelectorChecker16checkOneSelectorERKNS0_23SelectorCheckingContextERNS_8PseudoIdE+0xd4) [0x7f2740b53364]
  11  0x7f2740b55048 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZNK7WebCore15SelectorChecker13checkSelectorERKNS0_23SelectorCheckingContextERNS_8PseudoIdE+0x18) [0x7f2740b55048]
  12  0x7f2740b9e0a0 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore13StyleResolver27collectMatchingRulesForListEPKN3WTF6VectorINS_8RuleDataELm0EEERiS7_RKNS0_12MatchOptionsE+0x3c0) [0x7f2740b9e0a0]
  13  0x7f2740baacaa /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore13StyleResolver16matchAuthorRulesERNS0_11MatchResultEb+0x6a) [0x7f2740baacaa]
  14  0x7f2740bacffd /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore13StyleResolver13matchAllRulesERNS0_11MatchResultEb+0x14d) [0x7f2740bacffd]
  15  0x7f2740baf3d5 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore13StyleResolver15styleForElementEPNS_7ElementEPNS_11RenderStyleENS_20StyleSharingBehaviorENS_20RuleMatchingBehaviorEPNS_12RenderRegionE+0x265) [0x7f2740baf3d5]
  16  0x7f2740bf375a /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element16styleForRendererEv+0x3a) [0x7f2740bf375a]
  17  0x7f2740bfa3e7 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element11recalcStyleENS_4Node11StyleChangeE+0x287) [0x7f2740bfa3e7]
  18  0x7f2740bfa2b0 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element11recalcStyleENS_4Node11StyleChangeE+0x150) [0x7f2740bfa2b0]
  19  0x7f2740bfa2b0 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element11recalcStyleENS_4Node11StyleChangeE+0x150) [0x7f2740bfa2b0]
  20  0x7f2740bddb7b /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore8Document11recalcStyleENS_4Node11StyleChangeE+0x28b) [0x7f2740bddb7b]
  21  0x7f2740bddc83 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore8Document19updateStyleIfNeededEv+0x43) [0x7f2740bddc83]
  22  0x7f2740f92d49 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore12ThreadTimers17fireTimerCallbackEPvRKN3WTF21EventActionDescriptorE+0x49) [0x7f2740f92d49]
  23  0x7f2740f92fc5 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore12ThreadTimers24sharedTimerFiredInternalEv+0xb5) [0x7f2740f92fc5]
  24  0x7f273f000a31 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN7QObject5eventEP6QEvent+0x61) [0x7f273f000a31]
  25  0x7f273f861e2c /usr/lib/x86_64-linux-gnu/libQtGui.so.4(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0x8c) [0x7f273f861e2c]
  26  0x7f273f8684a0 /usr/lib/x86_64-linux-gnu/libQtGui.so.4(_ZN12QApplication6notifyEP7QObjectP6QEvent+0x270) [0x7f273f8684a0]
  27  0x7f273efe84dd /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN16QCoreApplication14notifyInternalEP7QObjectP6QEvent+0x6d) [0x7f273efe84dd]
  28  0x7f273f018323 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(+0x1ad323) [0x7f273f018323]
  29  0x7f273f015629 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(+0x1aa629) [0x7f273f015629]
  30  0x7f273cec2e04 /lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_dispatch+0x254) [0x7f273cec2e04]
  31  0x7f273cec3048 /lib/x86_64-linux-gnu/libglib-2.0.so.0(+0x49048) [0x7f273cec3048]
  /home/christofferqa/R4/R4/record.sh: line 103: 15970 Segmentation fault      (core dumped)
  

Auto exploration and alerts

Auto exploration and dialogues, such as alert, does not work together. Currently WebERA exits with an error code without saving any execution data.

R4 crashes with error during model checking (Error: Repeating the initial recording failed)

Recording phase succeeds, but R4 crashes with an error during model checking.

_auto mode_:

• https://www.att.com: http://users-cs.au.dk/cqa/R4/output/att-com/runner/mc.log

  Could not run command: /home/christofferqa/R4/R4/clients/Replay/bin/replay -hidewindow  -verbose  -out_dir /home/christofferqa/r4tmp/6222 -timeout 60  -in_dir /home/christofferqa/r4tmp/6222/record// "https://att.com" /home/christofferqa/r4tmp/6222/new_schedule.data > /home/christofferqa/r4tmp/6222/stdout.txt
  Statistics: conflict-reversal-pruning: 0
  Statistics: mini-sleep-set-pruning: 0
  Statistics: conflict-reversal-dependency-pruning: 0
  Statistics: same-state-reversal-pruning: 0
  Statistics: schedules successful by depth: 
  Tried 0 schedules. 0 generated, 0 successful
  real 0.51
  user 0.23
  sys 0.07
  Error: Repeating the initial recording failed
  

Symbol lookup error

I have been trying to run R4 on a few web pages, and consistently get a symbol lookup error on _ZN7WebCore16ThreadGlobalData10staticDataE.

For example, after running ./r4.sh brics.dk/r4 the log at output/brics-dk-r4/runner/record.log is as follows.

Running  http brics.dk/r4  @  /home/christofferqa/r4tmp/14226
> /home/christofferqa/R4/R4/clients/Record/bin/record -out_dir /home/christofferqa/r4tmp/14226/record -ignore-mouse-move -verbose  http://brics.dk/r4
/home/christofferqa/R4/R4/clients/Record/bin/record: symbol lookup error: /home/christofferqa/R4/R4/clients/Record/bin/record: undefined symbol: _ZN7WebCore16ThreadGlobalData10staticDataE

Is this an issue you have seen before, and do you have any suggestions for troubleshooting? Thanks!

Missing support for CSS3 transitions

CSS3 transitions trigger a number of events that are currently not handled. Right now WebERA's behaviour is undefined if these are used (often resulting in a crash).

R4 crashes with segmentation fault during recording (Can't log start scope event:webkitTransitionEnd)

R4 crashes with a Segmentation fault following: Can't log start scope event:webkitTransitionEnd.

_manual mode without any user interaction_:

• https://www.apple.com: http://users-cs.au.dk/cqa/R4/output/www-apple-com/runner/record.log

  Can't log start scope event:webkitTransitionEnd
  1   0x7f629195d358 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_Z19ActionLogScopeStartPKc+0xb8) [0x7f629195d358]
  2   0x7f6290fdaf22 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore15EventDispatcher13dispatchEventEN3WTF10PassRefPtrINS_5EventEEE+0xa2) [0x7f6290fdaf22]
  3   0x7f6290fd9787 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZNK7WebCore21EventDispatchMediator13dispatchEventEPNS_15EventDispatcherE+0x27) [0x7f6290fd9787]
  4   0x7f6290fda614 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore15EventDispatcher13dispatchEventEPNS_4NodeEN3WTF10PassRefPtrINS_21EventDispatchMediatorEEE+0x24) [0x7f6290fda614]
  5   0x7f6290fefbd2 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore4Node13dispatchEventEN3WTF10PassRefPtrINS_5EventEEE+0x32) [0x7f6290fefbd2]
  6   0x7f6291250c8c /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore26AnimationControllerPrivate24fireEventsAndUpdateStyleEv+0x31c) [0x7f6291250c8c]
  7   0x7f629136dd49 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore12ThreadTimers17fireTimerCallbackEPvRKN3WTF21EventActionDescriptorE+0x49) [0x7f629136dd49]
  8   0x7f629136dfc5 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore12ThreadTimers24sharedTimerFiredInternalEv+0xb5) [0x7f629136dfc5]
  9   0x7f628f3dba31 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN7QObject5eventEP6QEvent+0x61) [0x7f628f3dba31]
  10  0x7f628fc3ce2c /usr/lib/x86_64-linux-gnu/libQtGui.so.4(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0x8c) [0x7f628fc3ce2c]
  11  0x7f628fc434a0 /usr/lib/x86_64-linux-gnu/libQtGui.so.4(_ZN12QApplication6notifyEP7QObjectP6QEvent+0x270) [0x7f628fc434a0]
  12  0x7f628f3c34dd /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN16QCoreApplication14notifyInternalEP7QObjectP6QEvent+0x6d) [0x7f628f3c34dd]
  13  0x7f628f3f3323 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(+0x1ad323) [0x7f628f3f3323]
  14  0x7f628f3f0629 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(+0x1aa629) [0x7f628f3f0629]
  15  0x7f628d29de04 /lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_dispatch+0x254) [0x7f628d29de04]
  16  0x7f628d29e048 /lib/x86_64-linux-gnu/libglib-2.0.so.0(+0x49048) [0x7f628d29e048]
  17  0x7f628d29e0ec /lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_iteration+0x2c) [0x7f628d29e0ec]
  18  0x7f628f3f07a1 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0x71) [0x7f628f3f07a1]
  19  0x7f628fcdebe6 /usr/lib/x86_64-linux-gnu/libQtGui.so.4(+0x26bbe6) [0x7f628fcdebe6]
  20  0x7f628f3c20af /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN10QEventLoop13processEventsE6QFlagsINS_17ProcessEventsFlagEE+0x2f) [0x7f628f3c20af]
  21  0x7f628f3c23a5 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE+0x175) [0x7f628f3c23a5]
  22  0x7f628f3c7b79 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN16QCoreApplication4execEv+0x89) [0x7f628f3c7b79]
  23  0x40b5e3 /home/christofferqa/R4/R4/clients/Record/bin/record() [0x40b5e3]
  24  0x7f628e97eec5 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f628e97eec5]
  25  0x40b718 /home/christofferqa/R4/R4/clients/Record/bin/record() [0x40b718]
  /home/christofferqa/R4/R4/record.sh: line 103: 15883 Segmentation fault      (core dumped)
  

• http://www.verizonwireless.com: http://users-cs.au.dk/cqa/R4/output/verizonwireless-com/runner/record.log

  Can't log start scope event:webkitTransitionEnd
  1   0x7fb069e3c358 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_Z19ActionLogScopeStartPKc+0xb8) [0x7fb069e3c358]
  2   0x7fb0694b9f22 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore15EventDispatcher13dispatchEventEN3WTF10PassRefPtrINS_5EventEEE+0xa2) [0x7fb0694b9f22]
  3   0x7fb0694b8787 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZNK7WebCore21EventDispatchMediator13dispatchEventEPNS_15EventDispatcherE+0x27) [0x7fb0694b8787]
  4   0x7fb0694b9614 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore15EventDispatcher13dispatchEventEPNS_4NodeEN3WTF10PassRefPtrINS_21EventDispatchMediatorEEE+0x24) [0x7fb0694b9614]
  5   0x7fb0694cebd2 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore4Node13dispatchEventEN3WTF10PassRefPtrINS_5EventEEE+0x32) [0x7fb0694cebd2]
  6   0x7fb06972fc8c /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore26AnimationControllerPrivate24fireEventsAndUpdateStyleEv+0x31c) [0x7fb06972fc8c]
  7   0x7fb06984cd49 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore12ThreadTimers17fireTimerCallbackEPvRKN3WTF21EventActionDescriptorE+0x49) [0x7fb06984cd49]
  8   0x7fb06984cfc5 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore12ThreadTimers24sharedTimerFiredInternalEv+0xb5) [0x7fb06984cfc5]
  9   0x7fb0678baa31 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN7QObject5eventEP6QEvent+0x61) [0x7fb0678baa31]
  10  0x7fb06811be2c /usr/lib/x86_64-linux-gnu/libQtGui.so.4(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0x8c) [0x7fb06811be2c]
  11  0x7fb0681224a0 /usr/lib/x86_64-linux-gnu/libQtGui.so.4(_ZN12QApplication6notifyEP7QObjectP6QEvent+0x270) [0x7fb0681224a0]
  12  0x7fb0678a24dd /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN16QCoreApplication14notifyInternalEP7QObjectP6QEvent+0x6d) [0x7fb0678a24dd]
  13  0x7fb0678d2323 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(+0x1ad323) [0x7fb0678d2323]
  14  0x7fb0678cf629 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(+0x1aa629) [0x7fb0678cf629]
  15  0x7fb06577ce04 /lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_dispatch+0x254) [0x7fb06577ce04]
  16  0x7fb06577d048 /lib/x86_64-linux-gnu/libglib-2.0.so.0(+0x49048) [0x7fb06577d048]
  17  0x7fb06577d0ec /lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_iteration+0x2c) [0x7fb06577d0ec]
  18  0x7fb0678cf7a1 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0x71) [0x7fb0678cf7a1]
  19  0x7fb0681bdbe6 /usr/lib/x86_64-linux-gnu/libQtGui.so.4(+0x26bbe6) [0x7fb0681bdbe6]
  20  0x7fb0678a10af /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN10QEventLoop13processEventsE6QFlagsINS_17ProcessEventsFlagEE+0x2f) [0x7fb0678a10af]
  21  0x7fb0678a13a5 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE+0x175) [0x7fb0678a13a5]
  22  0x7fb0678a6b79 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN16QCoreApplication4execEv+0x89) [0x7fb0678a6b79]
  23  0x40b5e3 /home/christofferqa/R4/R4/clients/Record/bin/record() [0x40b5e3]
  24  0x7fb066e5dec5 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fb066e5dec5]
  25  0x40b718 /home/christofferqa/R4/R4/clients/Record/bin/record() [0x40b718]
  /home/christofferqa/R4/R4/record.sh: line 103: 15640 Segmentation fault 
  

R4 misses race due to likely issue in its custom EventRacer implementation

Actual: When running the original EventRacer tool on the following simple example, a race is reported if a.js loads after b.js. The extended EventRacer tool used by R4 misses this race, and hence R4 also misses the race.
Expected: R4 detects the non-determinism leading to two different visual states.

index.html:

<output id="o">Loading</output>
<script>
window.status = 'Loading';
</script>
<script src="a.js" async></script>
<script src="b.js" async></script>

a.js:

window.status = 'Loaded';

b.js:

document.getElementById("o").value = window.status;

R4 crashes with segmentation fault during recording (Can't log start scope event:change)

_manual mode_:

• https://www.att.com/shop/wireless/devices/smartphones.html: http://users-cs.au.dk/cqa/R4/output/att-com-shop-wireless-devices-smartphones-html/runner/record.log

  Upon changing the selected item in "Sort by":

  Can't log start scope event:change
  1   0x7f21e224c358 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_Z19ActionLogScopeStartPKc+0xb8) [0x7f21e224c358]
  2   0x7f21e18c9f22 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore15EventDispatcher13dispatchEventEN3WTF10PassRefPtrINS_5EventEEE+0xa2) [0x7f21e18c9f22]
  3   0x7f21e18c8787 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZNK7WebCore21EventDispatchMediator13dispatchEventEPNS_15EventDispatcherE+0x27) [0x7f21e18c8787]
  4   0x7f21e18c9614 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore15EventDispatcher13dispatchEventEPNS_4NodeEN3WTF10PassRefPtrINS_21EventDispatchMediatorEEE+0x24) [0x7f21e18c9614]
  5   0x7f21e18debd2 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore4Node13dispatchEventEN3WTF10PassRefPtrINS_5EventEEE+0x32) [0x7f21e18debd2]
  6   0x7f21e18de5d7 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore4Node19dispatchChangeEventEv+0x57) [0x7f21e18de5d7]
  7   0x7f21e1a0b589 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore22HTMLFormControlElement30dispatchFormControlChangeEventEv+0x9) [0x7f21e1a0b589]
  8   0x7f21e1a38de8 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore17HTMLSelectElement12selectOptionEij+0x178) [0x7f21e1a38de8]
  9   0x7f21dfcc687a /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN11QMetaObject8activateEP7QObjectPKS_iPPv+0x2da) [0x7f21dfcc687a]
  10  0x7f21e16ce55a /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN16QWebSelectMethod10selectItemEibb+0x4a) [0x7f21e16ce55a]
  11  0x7f21dfccac1e /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN7QObject5eventEP6QEvent+0x24e) [0x7f21dfccac1e]
  12  0x7f21e052be2c /usr/lib/x86_64-linux-gnu/libQtGui.so.4(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0x8c) [0x7f21e052be2c]
  13  0x7f21e05324a0 /usr/lib/x86_64-linux-gnu/libQtGui.so.4(_ZN12QApplication6notifyEP7QObjectP6QEvent+0x270) [0x7f21e05324a0]
  14  0x7f21dfcb24dd /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN16QCoreApplication14notifyInternalEP7QObjectP6QEvent+0x6d) [0x7f21dfcb24dd]
  15  0x7f21dfcb5b3d /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN23QCoreApplicationPrivate16sendPostedEventsEP7QObjectiP11QThreadData+0x1ed) [0x7f21dfcb5b3d]
  16  0x7f21dfcdff83 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(+0x1aaf83) [0x7f21dfcdff83]
  17  0x7f21ddb8ce04 /lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_dispatch+0x254) [0x7f21ddb8ce04]
  18  0x7f21ddb8d048 /lib/x86_64-linux-gnu/libglib-2.0.so.0(+0x49048) [0x7f21ddb8d048]
  19  0x7f21ddb8d0ec /lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_iteration+0x2c) [0x7f21ddb8d0ec]
  20  0x7f21dfcdf7a1 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0x71) [0x7f21dfcdf7a1]
  21  0x7f21e05cdbe6 /usr/lib/x86_64-linux-gnu/libQtGui.so.4(+0x26bbe6) [0x7f21e05cdbe6]
  22  0x7f21dfcb10af /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN10QEventLoop13processEventsE6QFlagsINS_17ProcessEventsFlagEE+0x2f) [0x7f21dfcb10af]
  23  0x7f21dfcb13a5 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE+0x175) [0x7f21dfcb13a5]
  24  0x7f21dfcb6b79 /usr/lib/x86_64-linux-gnu/libQtCore.so.4(_ZN16QCoreApplication4execEv+0x89) [0x7f21dfcb6b79]
  25  0x40b5e3 /home/christofferqa/R4/R4/clients/Record/bin/record() [0x40b5e3]
  26  0x7f21df26dec5 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f21df26dec5]
  27  0x40b718 /home/christofferqa/R4/R4/clients/Record/bin/record() [0x40b718]
  /home/christofferqa/R4/R4/record.sh: line 103: 16682 Segmentation fault      (core dumped) $RECORD_BIN $ARGS $PROTOCOL://$URL 2>&1
  

Facebook URL query not supported by fuzzy URL matching

Some Facebook APIs are using an interesting URL query format.

http://static.ak.facebook.com/connect/xd_arbiter.php?version=27#channel=XXX&channel_path=/?fb_xd_fragment#xd_sig=YYY&&origin=http://www.gofurther.com

The current ranking function is not handling anything after the hashtag.

This call can be observed at http://ford.com

Can't parse the contents of recorded HTTPS traffic

Record and Replay is stopped on http://unitedhealthgroup.com because of https content (from a google API) that needs to be parsed.

The replay tool deadlocks and waits for a parse event action that does not appear.

R4 crashes with segmentation fault during recording (no stack trace)

R4 crashes with a Segmentation fault during its recording phase.

_auto and manual mode without any user interaction_:

• http://www.walmart.com: http://users-cs.au.dk/cqa/R4/output/www-walmart-com/runner/record.log

  /home/christofferqa/R4/R4/record.sh: line 103: 15851 Segmentation fault
  

R4 crashes with segmentation fault during recording (Not in a valid event action.)

_manual mode_:

• http://cvshealth.com: http://users-cs.au.dk/cqa/R4/output/cvshealth-com/runner/record.log

  Upon clicking on the right arrow icon at "The Latest":

  Not in a valid event action.
  1   0x7f953a84835d /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore14EventActionsHB23checkInValidEventActionEv+0x4d) [0x7f953a84835d]
  2   0x7f953a8487c2 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore20HBCurrentEventActionEv+0x22) [0x7f953a8487c2]
  3   0x7f953a3aadec /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore13CSSImageValueC1ERKN3WTF6StringEPNS_10StyleImageE+0x5c) [0x7f953a3aadec]
  4   0x7f953a737fa2 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(+0xb37fa2) [0x7f953a737fa2]
  5   0x7f953a738272 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZNK7WebCore34FillLayerRefCountedPropertyWrapperINS_10StyleImageEE5blendEPKNS_13AnimationBaseEPNS_9FillLayerEPKS6_S9_d+0x82) [0x7f953a738272]
  6   0x7f953a731512 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZNK7WebCore25FillLayersPropertyWrapper5blendEPKNS_13AnimationBaseEPNS_11RenderStyleEPKS4_S7_d+0xa2) [0x7f953a731512]
  7   0x7f953a740b95 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore20CSSPropertyAnimation15blendPropertiesEPKNS_13AnimationBaseENS_13CSSPropertyIDEPNS_11RenderStyleEPKS5_S8_d+0x75) [0x7f953a740b95]
  8   0x7f953a742a94 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore17ImplicitAnimation7animateEPNS_18CompositeAnimationEPNS_12RenderObjectEPKNS_11RenderStyleEPS5_RN3WTF6RefPtrIS5_EE+0x54) [0x7f953a742a94]
  9   0x7f953a730c28 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore18CompositeAnimation7animateEPNS_12RenderObjectEPNS_11RenderStyleES4_+0x168) [0x7f953a730c28]
  10  0x7f953a72ca12 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore19AnimationController16updateAnimationsEPNS_12RenderObjectEPNS_11RenderStyleE+0xb2) [0x7f953a72ca12]
  11  0x7f953a93330b /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore12RenderObject18setAnimatableStyleEN3WTF10PassRefPtrINS_11RenderStyleEEE+0x3b) [0x7f953a93330b]
  12  0x7f953a4c99a7 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore4Node14setRenderStyleEN3WTF10PassRefPtrINS_11RenderStyleEEE+0x27) [0x7f953a4c99a7]
  13  0x7f953a4af4d5 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element11recalcStyleENS_4Node11StyleChangeE+0x375) [0x7f953a4af4d5]
  14  0x7f953a4af2b0 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element11recalcStyleENS_4Node11StyleChangeE+0x150) [0x7f953a4af2b0]
  15  0x7f953a4af2b0 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element11recalcStyleENS_4Node11StyleChangeE+0x150) [0x7f953a4af2b0]
  16  0x7f953a4af2b0 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element11recalcStyleENS_4Node11StyleChangeE+0x150) [0x7f953a4af2b0]
  17  0x7f953a4af2b0 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element11recalcStyleENS_4Node11StyleChangeE+0x150) [0x7f953a4af2b0]
  18  0x7f953a4af2b0 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element11recalcStyleENS_4Node11StyleChangeE+0x150) [0x7f953a4af2b0]
  19  0x7f953a4af2b0 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element11recalcStyleENS_4Node11StyleChangeE+0x150) [0x7f953a4af2b0]
  20  0x7f953a4af2b0 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element11recalcStyleENS_4Node11StyleChangeE+0x150) [0x7f953a4af2b0]
  21  0x7f953a4af2b0 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element11recalcStyleENS_4Node11StyleChangeE+0x150) [0x7f953a4af2b0]
  22  0x7f953a4af2b0 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element11recalcStyleENS_4Node11StyleChangeE+0x150) [0x7f953a4af2b0]
  23  0x7f953a4af2b0 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element11recalcStyleENS_4Node11StyleChangeE+0x150) [0x7f953a4af2b0]
  24  0x7f953a4af2b0 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element11recalcStyleENS_4Node11StyleChangeE+0x150) [0x7f953a4af2b0]
  25  0x7f953a4af2b0 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element11recalcStyleENS_4Node11StyleChangeE+0x150) [0x7f953a4af2b0]
  26  0x7f953a4af2b0 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element11recalcStyleENS_4Node11StyleChangeE+0x150) [0x7f953a4af2b0]
  27  0x7f953a4af2b0 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore7Element11recalcStyleENS_4Node11StyleChangeE+0x150) [0x7f953a4af2b0]
  28  0x7f953a492b7b /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore8Document11recalcStyleENS_4Node11StyleChangeE+0x28b) [0x7f953a492b7b]
  29  0x7f953a492c83 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore8Document19updateStyleIfNeededEv+0x43) [0x7f953a492c83]
  30  0x7f953a72abe1 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore26AnimationControllerPrivate24fireEventsAndUpdateStyleEv+0x271) [0x7f953a72abe1]
  31  0x7f953a847d49 /home/christofferqa/R4/R4/clients/BaseClient/../../../WebKitBuild/Release/lib/libQtWebKit.so.4(_ZN7WebCore12ThreadTimers17fireTimerCallbackEPvRKN3WTF21EventActionDescriptorE+0x49) [0x7f953a847d49]
  /home/christofferqa/R4/R4/record.sh: line 103: 16536 Segmentation fault      (core dumped)