Bug 204923

Summary:

Web Inspector: evaluating alert(1) while staying on debugger in inline script triggers assertion in debug build

Product:

WebKit

Reporter:

Yury Semikhatsky <yurys>

Component:

Web Inspector

Assignee:

Yury Semikhatsky <yurys>

Status:

NEW

Severity:

Normal

CC:

inspector-bugzilla-changes

Priority:

Version:

WebKit Nightly Build

Hardware:

All

OS:

All

Attachments:

Description	Flags
Test page	none

Yury Semikhatsky

Reported 2019-12-05 14:52:45 PST

Created attachment 384962 [details] Test page Steps to reproduce with debug build: 1. Open inspector on the attached page. 2. Reload the page, wait for pause on debugger; statement. 3. Evaluate 'alert(1)' in the console. Result: Inspected WebProcess crashes with the following trace ../../Source/WebCore/dom/ScriptExecutionContext.cpp(257) : virtual void WebCore::ScriptExecutionContext::suspendActiveDOMObjects(WebCore::ReasonForSuspension) 1 0x7fac696b1959 /home/yurys/WebKit/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18(WTFCrash+0x9) [0x7fac696b1959] 2 0x7fac7415a75b /home/yurys/WebKit/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(+0x94fb75b) [0x7fac7415a75b] 3 0x7fac76e2d189 /home/yurys/WebKit/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore22ScriptExecutionContext23suspendActiveDOMObjectsENS_19ReasonForSuspensionE+0x89) [0x7fac76e2d189] 4 0x7fac76c8e6d4 /home/yurys/WebKit/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore8Document23suspendActiveDOMObjectsENS_19ReasonForSuspensionE+0x64) [0x7fac76c8e6d4] 5 0x7fac76c8cdc9 /home/yurys/WebKit/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore8Document21suspendScheduledTasksENS_19ReasonForSuspensionE+0xa9) [0x7fac76c8cdc9] 6 0x7fac7776f0f3 /home/yurys/WebKit/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore21PageGroupLoadDeferrerC2ERNS_4PageEb+0x133) [0x7fac7776f0f3] 7 0x7fac77656ecc /home/yurys/WebKit/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore6Chrome18runJavaScriptAlertERNS_5FrameERKN3WTF6StringE+0x3c) [0x7fac77656ecc] 8 0x7fac7766f90f /home/yurys/WebKit/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore9DOMWindow5alertERKN3WTF6StringE+0x11f) [0x7fac7766f90f] 9 0x7fac754f71ba /home/yurys/WebKit/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(+0xa8981ba) [0x7fac754f71ba] 10 0x7fac754f6fe7 /home/yurys/WebKit/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(+0xa897fe7) [0x7fac754f6fe7] 11 0x7fac754aa6ff /home/yurys/WebKit/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(+0xa84b6ff) [0x7fac754aa6ff] 12 0x7fac754aa3e4 /home/yurys/WebKit/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZN7WebCore32jsDOMWindowInstanceFunctionAlertEPN3JSC14JSGlobalObjectEPNS0_9CallFrameE+0x24) [0x7fac754aa3e4] 13 0x7fac07fff16b [0x7fac07fff16b]

Attachments
Test page (586 bytes, text/html) 2019-12-05 14:52 PST, Yury Semikhatsky	no flags	Details
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