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TextOffsetMapping::ComputeTextOffset() crashes Empty DIV/Q |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=4814791508754432 Fuzzer: bj_broddelwerk Job Type: linux_msan_chrome Platform Id: linux Crash Type: CHECK failure Crash Address: Crash State: start <= end (Q class="CLASS0"@beforeAnchor vs. DIV class="CLASS4 CLASS12"@offse blink::TextIteratorAlgorithm<blink::EditingAlgorithm<blink::FlatTreeTraversal> > blink::TextIteratorAlgorithm<blink::EditingAlgorithm<blink::FlatTreeTraversal> > Sanitizer: memory (MSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=550102:550107 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4814791508754432 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
,
Apr 13 2018
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/1324be868df000cb2e070199ce2d10cd0c5a2706 (Make NextWordPosition() to utilize TextOffsetMapping). If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
,
Apr 16 2018
Minimal HTML to reproduce:
<div>
<q></q></div>
<script>
const selection = window.getSelection();
selection.collapse(document.querySelector('q'), 0);
selection.modify('move', 'forward', 'word');
</script>
NextWordPosition(DIV@0)
TextOffsetMapping::GetRange() = {Before(Q), After(Q)}
,
Apr 17 2018
In HTML of #c3, newline after "<div>" is required.
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Apr 17 2018
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/dec40a582a3805fb28dfd67ba49fc2cdb28a1b6c commit dec40a582a3805fb28dfd67ba49fc2cdb28a1b6c Author: Yoshifumi Inoue <yosin@chromium.org> Date: Tue Apr 17 04:30:18 2018 Revert "Make NextWordPosition() to utilize TextOffsetMapping" This reverts commit 1324be868df000cb2e070199ce2d10cd0c5a2706 for M67/Beta TextOffsetMapping is not ready for release. It should support edge cases. TBR=yosin@chromium.org Bug: 832055 , 832061 , 832101 , 832261 , 832350 , 832497 , 832639 , 833172 , 833180 Change-Id: Iac5f58716619a626650088a55109922daf1a4f3a Reviewed-on: https://chromium-review.googlesource.com/1013445 Reviewed-by: Yoshifumi Inoue <yosin@chromium.org> Cr-Commit-Position: refs/branch-heads/3396@{#36} Cr-Branched-From: 9ef2aa869bc7bc0c089e255d698cca6e47d6b038-refs/heads/master@{#550428} [modify] https://crrev.com/dec40a582a3805fb28dfd67ba49fc2cdb28a1b6c/third_party/blink/renderer/core/editing/visible_units_word.cc [modify] https://crrev.com/dec40a582a3805fb28dfd67ba49fc2cdb28a1b6c/third_party/blink/renderer/core/editing/visible_units_word_test.cc
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Apr 17 2018
,
Apr 17 2018
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Comment 1 by ClusterFuzz
, Apr 13 2018Labels: Test-Predator-Auto-Components