[Webkit-unassigned] [Bug 223295] New: memory leaks

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=223295

            Bug ID: 223295
           Summary: memory leaks
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Critical
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: 1422930734 at qq.com

Created attachment 423423

  --> https://bugs.webkit.org/attachment.cgi?id=423423&action=review

poc

asan output:
WARNING: ASAN interferes with JSC signal handlers; useWebAssemblyFastMemory and useSharedArrayBuffer will be disabled.
Exception: TypeError: calling Uint32Array constructor without new is invalid
Uint32Array@[native code]
global code at 2:32:17

=================================================================
==14812==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 312 byte(s) in 12 object(s) allocated from:
    #0 0x4e0ee0  (/root/targets/targets/jsc_afl_asan18+0x4e0ee0)
    #1 0x695e87e  (/root/targets/targets/jsc_afl_asan18+0x695e87e)

SUMMARY: AddressSanitizer: 312 byte(s) leaked in 12 allocation(s).

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