Bug 274710

Summary:	UI process crash due to null pointer dereference under ViewGestureController::applyMagnification()
Product:	WebKit	Reporter:	Abrar Rahman Protyasha <a_protyasha>
Component:	UI Events	Assignee:	Abrar Rahman Protyasha <a_protyasha>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	a_protyasha, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Description Abrar Rahman Protyasha 2024-05-25 03:56:53 PDT

rdar://128521737

Comment 1 Abrar Rahman Protyasha 2024-05-25 03:57:14 PDT

Information about the crash:

```
Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000000
Exception Codes:       0x0000000000000001, 0x0000000000000000

Thread 0 Crashed::   Dispatch queue: com.apple.main-thread
0   com.apple.WebKit                       0x1ada630ec WebKit::ViewGestureController::applyMagnification() + 208
1   com.apple.WebKit                       0x1ad8dee50 WebKit::ViewGestureController::handleMagnificationGestureEvent(NSEvent*, WebCore::FloatPoint) + 296
2   com.apple.WebKit                       0x1ad9160e4 WebKit::WebViewImpl::magnifyWithEvent(NSEvent*) + 164
```

Comment 2 Abrar Rahman Protyasha 2024-05-25 04:10:41 PDT

Pull request: https://github.com/WebKit/WebKit/pull/29112

Comment 3 EWS 2024-05-25 13:51:18 PDT

Committed 279322@main (0b0856901df8): <https://commits.webkit.org/279322@main>

Reviewed commits have been landed. Closing PR #29112 and removing active labels.