1997613 - Null pointer dereference when calling DETAILS_FOR anchor does not have accessible

Status: RESOLVED FIXED

(Core :: Disability Access APIs, defect, P3)

Description

[Eitan Isaacson [:eeejay]]

This will crash:

addAccessibleTask(
  `
  <style>
  #btn1 {
    anchor-name: --btn1;
  }

  #target1 {
    position: absolute;
    position-anchor: --btn1;
    left: anchor(right);
    bottom: anchor(top);
  }
  </style>

  <div id="target1">World</div>
  <button id="btn1" aria-hidden="true">Hello</button>
  `,
  async function testARIAHiddenAnchorsAndPosition(browser, docAcc) {
    info("ARIA hidden anchor");
    const target1 = findAccessibleChildByID(docAcc, "target1");
    await testCachedRelation(target1, RELATION_DETAILS_FOR, []);
  },
  { chrome: true }
);

Comment 1

[Eitan Isaacson [:eeejay]]

Crash report: https://crash-stats.mozilla.org/report/index/cc9ce089-944a-4ef5-b105-df6410251031

Comment 2

[Eitan Isaacson [:eeejay]]

Attachment: Bug 1997613 - Check if anchor actually has accessible. r?Jamie

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://github.com/mozilla-firefox/firefox/commit/ad2c5304febf
https://hg.mozilla.org/integration/autoland/rev/12aca1599aa9
Check if anchor actually has accessible. r=Jamie

Comment 4

[Cosmin Sabou [:CosminS]]

https://hg.mozilla.org/mozilla-central/rev/12aca1599aa9