219477 2020-12-02 19:31:27 -0800 Fix for crash handling NSAccessibilityInsertionPointLineNumberAttribute for text fields in isolated tree mode. 2020-12-03 06:09:19 -0800 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 andresg_22 andresg_22 aboxhall apinheiro cfleizach dmazzoni ews-watchlist jcraig jdiggs samuel_white webkit-bug-importer oldest_to_newest 1711570 0 andresg_22 2020-12-02 19:31:27 -0800 Fix for crash handling NSAccessibilityInsertionPointLineNumberAttribute for text fields in isolated tree mode. 1711580 1 andresg_22 2020-12-02 19:46:31 -0800 Backtrace of the assert crash: (lldb) bt * thread #13, name = 'com.apple.accessibility.secondary', stop reason = EXC_BAD_ACCESS (code=1, address=0xbbadbeef) * frame #0: 0x0000000655fca2ee JavaScriptCore`::WTFCrash() at Assertions.cpp:295:35 frame #1: 0x000000063697825b WebCore`WTFCrashWithInfo((null)=1371, (null)="./accessibility/isolatedtree/AXIsolatedObject.cpp", (null)="virtual int WebCore::AXIsolatedObject::lineForPosition(const WebCore::VisiblePosition &) const", (null)=938) at Assertions.h:671:5 frame #2: 0x000000063909e0bb WebCore`WebCore::AXIsolatedObject::lineForPosition(this=0x00000006698f09d8, position=0x000070000d88f7b8) const at AXIsolatedObject.cpp:1371:5 frame #3: 0x000000063b8237db WebCore`-[WebAccessibilityObjectWrapper accessibilityAttributeValue:](self=0x00007fb167e50c20, _cmd="accessibilityAttributeValue:", attributeName="AXInsertionPointLineNumber") at WebAccessibilityObjectWrapperMac.mm:2293:45 frame #4: 0x00007fff22e1cd05 AppKit`NSAccessibilityGetObjectForAttributeUsingLegacyAPI + 343 frame #5: 0x00007fff233b976f AppKit`___NSAccessibilityEntryPointValueForAttribute_block_invoke.811 + 2544 frame #6: 0x00007fff233b5083 AppKit`NSAccessibilityPerformEntryPointObject + 16 frame #7: 0x00007fff23076b6e AppKit`_NSAccessibilityEntryPointValueForAttribute + 168 frame #8: 0x00007fff231ae741 AppKit`-[NSObject(NSAccessibilityInternal) _accessibilityValueForAttribute:clientError:] + 341 frame #9: 0x00007fff231b36f2 AppKit`CopyAppKitUIElementAttributeValueNoCatch + 98 frame #10: 0x00007fff231b06a7 AppKit`CopyAttributeValue + 142 frame #11: 0x00007fff257e1b7b HIServices`_AXXMIGCopyAttributeValue + 409 frame #12: 0x00007fff2580383b HIServices`_XCopyAttributeValue + 443 frame #13: 0x00007fff257c2854 HIServices`mshMIGPerform + 174 frame #14: 0x00007fff20561178 CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 41 frame #15: 0x00007fff20561055 CoreFoundation`__CFRunLoopDoSource1 + 595 frame #16: 0x00007fff2055f6f9 CoreFoundation`__CFRunLoopRun + 2402 frame #17: 0x00007fff2055e6be CoreFoundation`CFRunLoopRunSpecific + 563 frame #18: 0x00007fff257e52b9 HIServices`axThreadEntry + 127 frame #19: 0x00007fff20467950 libsystem_pthread.dylib`_pthread_start + 224 frame #20: 0x00007fff2046347b libsystem_pthread.dylib`thread_start + 15 (lldb) 1711581 2 415271 andresg_22 2020-12-02 19:46:44 -0800 Created attachment 415271 Patch 1711585 3 415271 cfleizach 2020-12-02 19:59:07 -0800 Comment on attachment 415271 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=415271&action=review > Source/WebCore/accessibility/isolatedtree/AXIsolatedObject.h:-385 > - unsigned selectionStart() const override { return 0; } Can we remove the todo 1711664 4 ews-feeder 2020-12-03 06:08:36 -0800 Committed r270393: <https://trac.webkit.org/changeset/270393> All reviewed patches have been landed. Closing bug and clearing flags on attachment 415271. 1711665 5 webkit-bug-importer 2020-12-03 06:09:19 -0800 <rdar://problem/71934386> 415271 2020-12-02 19:46:44 -0800 2020-12-03 06:08:36 -0800 Patch bug-219477-20201202224643.patch text/plain 8163 andresg_22 U3VidmVyc2lvbiBSZXZpc2lvbjogMjcwMzgwCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggY2I0NzZjMjQyZTFiNTFi MjMwZmZmMjQxYjQ1OWUyMDM0OTA0ODg0NS4uNzJlMTMxYTk3NzQwY2ZhYmNjZjc4ZjM5ODlhMGE3 OWVlY2RhMTdmNiAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDMwIEBACisyMDIwLTEyLTAyICBBbmRy ZXMgR29uemFsZXogIDxhbmRyZXNnXzIyQGFwcGxlLmNvbT4KKworICAgICAgICBGaXggZm9yIGNy YXNoIGhhbmRsaW5nIE5TQWNjZXNzaWJpbGl0eUluc2VydGlvblBvaW50TGluZU51bWJlckF0dHJp YnV0ZSBmb3IgdGV4dCBmaWVsZHMgaW4gaXNvbGF0ZWQgdHJlZSBtb2RlLgorICAgICAgICBodHRw czovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MjE5NDc3CisKKyAgICAgICAgUmV2 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