Bug 259512

Summary:

AX: Crash in AXTextMarkerRange constructor when passed a null AXTextMarkerRangeRef.

Product:

WebKit

Reporter:

Andres Gonzalez <andresg_22>

Component:

Accessibility

Assignee:

Andres Gonzalez <andresg_22>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

aboxhall, andresg_22, apinheiro, cfleizach, dmazzoni, ews-watchlist, jcraig, jdiggs, samuel_white, webkit-bug-importer

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

All

OS:

All

Attachments:

Description	Flags
Patch	none

Description Andres Gonzalez 2023-07-25 17:18:56 PDT

(lldb) bt
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BREAKPOINT (code=1, subcode=0x1889503d0)
  * frame #0: 0x00000001889503d0 CoreFoundation`CFRelease.cold.1 + 16
    frame #1: 0x00000001887745cc CoreFoundation`CFRelease + 132
    frame #2: 0x000000028095486c WebCore`WebCore::AXTextMarkerRange::AXTextMarkerRange(this=0x000000016fa97650, textMarkerRangeRef=0x0000000000000000) at AXTextMarkerCocoa.mm:81:5
    frame #3: 0x00000002809548dc WebCore`WebCore::AXTextMarkerRange::AXTextMarkerRange(this=0x000000016fa97650, textMarkerRangeRef=0x0000000000000000) at AXTextMarkerCocoa.mm:72:1
    frame #4: 0x0000000286020cc4 WebCore`-[WebAccessibilityObjectWrapper _accessibilitySetValue:forAttribute:]::$_49::operator(this=0x0000000110252a68)() const at WebAccessibilityObjectWrapperMac.mm:2713:64
...

Comment 1 Radar WebKit Bug Importer 2023-07-25 17:19:06 PDT

<rdar://problem/112870208>

Comment 2 Andres Gonzalez 2023-07-25 17:52:25 PDT

Created attachment 467120 [details]
Patch

Comment 3 EWS 2023-07-26 07:31:15 PDT

Committed 266313@main (c556dfa7678b): <https://commits.webkit.org/266313@main>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 467120 [details].