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Crash with absolute positioning in a pseudo element #2335

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glennw opened this issue May 5, 2014 · 2 comments
Closed

Crash with absolute positioning in a pseudo element #2335

glennw opened this issue May 5, 2014 · 2 comments

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@glennw
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@glennw glennw commented May 5, 2014

The following HTML file causes a crash in Servo:

<!DOCTYPE html>
<html>
  <head>
    <style>
        div:before {
            position: absolute;
        }
    </style>
  </head>
  <body>
    <div>
    </div>
  </body>
</html>

The backtrace is:

task 'LayoutWorker' failed at 'Unscanned text boxes should have been scanned by now!', /home/gw/git/glennw/servo/src/components/main/layout/box_.rs:1024
task 'LayoutWorker' failed at 'Flow destroyed by going out of scope—this is unsafe! Use `destroy()` instead!', /home/gw/git/glennw/servo/src/components/main/layout/flow.rs:717
task failed during unwinding (double-failure - total drag!)
rust must abort now. so sorry.
stack backtrace:
   1:           0xcbfb50 - rt::backtrace::imp::write::h20b2a253523568f8hAa::v0.11.pre
   2:           0xc21680 - rt::unwind::begin_unwind_inner::h5cdcaedfe5671988Kaa::v0.11.pre
   3:           0x4179a0 - rt::unwind::begin_unwind::hb573de175348542e3Vu::v0.0
   4:           0x4c87c0 - layout..flow..BaseFlow::glue_drop.27638::h33615c0f48f2cac5
   5:           0x4f68b0 - _$UP$layout..block..BlockFlow::glue_drop.28212::hd110dd0c9b64b70e
   6:           0x4ec330 - layout::construct::FlowConstructor$LT$$x27a$GT$::build_flow_using_children::hbed88b6703f91593v9j::v0.0
   7:           0x4f6750 - layout::construct::FlowConstructor$LT$$x27a$GT$::build_flow_for_block::h13dcda734c922d30Jck::v0.0
   8:           0x4ec330 - layout::construct::FlowConstructor$LT$$x27a$GT$::build_flow_using_children::hbed88b6703f91593v9j::v0.0
   9:           0x4f6750 - layout::construct::FlowConstructor$LT$$x27a$GT$::build_flow_for_block::h13dcda734c922d30Jck::v0.0
  10:           0x5904f0 - layout::parallel::construct_flows::hded7cd82ff120d0c30p::v0.0
  11:           0x58f830 - layout::parallel::recalc_style_for_node::hfcce868b43c368fcbXp::v0.0
  12:           0x52c7f0 - workqueue::WorkQueue$LT$QUD$C$$x20WUD$GT$::new::closure.29740
  13:           0xb37710 - task::spawn_opts::closure.7809
  14:           0xcbafe0 - rt::task::Task::run::closure.39839
  15:           0xcc6160 - rust_try
  16:           0xcbae20 - rt::task::Task::run::h5bd302fd35f8e8dcq37::v0.11.pre
  17:           0xb374e0 - task::spawn_opts::closure.7782
  18:           0xcbe690 - rt::thread::thread_start::h9592df87b1a9c3b17H8::v0.11.pre
  19:     0x7f3eec47a0c0 - start_thread
  20:     0x7f3eeacb62d9 - __clone
  21:                0x0 - <unknown>
Illegal instruction (core dumped)
@jdm
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@jdm jdm commented May 5, 2014

Worth checking if solving this solves #2065 too.
glennw pushed a commit to glennw/servo that referenced this issue May 13, 2014
@gw3583
Potential fix for servo#2335.
c260ae3
glennw pushed a commit to glennw/servo that referenced this issue May 21, 2014
@gw3583
Potential fix for servo#2335.
0bb5185
@mbrubeck
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@mbrubeck mbrubeck commented May 22, 2014

Fixed by #2411.
@mbrubeck mbrubeck closed this May 22, 2014
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@mbrubeck @jdm @glennw
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