Bug 223295

Summary: memory leaks
Product: WebKit Reporter: Xiaoyu He <1422930734>
Component: JavaScriptCoreAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Critical CC: ap, fpizlo, mark.lam, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Local Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
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Description Xiaoyu He 2021-03-16 18:54:12 PDT
Created attachment 423423 [details]
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@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).
Comment 1 Radar WebKit Bug Importer 2021-03-23 18:55:14 PDT
<rdar://problem/75766005>