Bug 288597

Summary: SEGV on 0x000000000005
Product: WebKit Reporter: katoshi1337
Component: JavaScriptCoreAssignee: Yusuke Suzuki <ysuzuki>
Status: RESOLVED FIXED    
Severity: Normal CC: bfulgham, webkit-bug-importer, wilander, ysuzuki
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
poc.js none

katoshi1337
Reported 2025-02-26 05:49:56 PST
Created attachment 474356 [details] poc.js Commit: 037ef87c97ac4d5073bd436d5b5dad4b422ee64b Command: ./jsc ./poc.js ``` ==597438==ERROR: UndefinedBehaviorSanitizer: SEGV on unknown address 0x000000000005 (pc 0x7030b46411fc bp 0x7ffd2fa59980 sp 0x7ffd2fa59930 T597438) ==597438==The signal is caused by a READ memory access. ==597438==Hint: address points to the zero page. #0 0x7030b46411fc (<unknown module>) UndefinedBehaviorSanitizer can not provide additional info. SUMMARY: UndefinedBehaviorSanitizer: SEGV (<unknown module>) ==597438==ABORTING ```
Attachments
poc.js (282 bytes, application/x-javascript)
2025-02-26 05:49 PST, katoshi1337 		no flags
Details
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Radar WebKit Bug Importer
Comment 1 2025-02-26 05:50:06 PST
<rdar://problem/145655237>
John Wilander
Comment 2 2025-02-26 09:17:33 PST
Thanks for filing! We'll have a look.
Yusuke Suzuki
Comment 3 2025-03-03 23:20:23 PST
ToT issue, let's just fix it on Trunk.
Yusuke Suzuki
Comment 4 2025-03-03 23:22:48 PST
Pull request: https://github.com/WebKit/WebKit/pull/41839
EWS
Comment 5 2025-03-04 01:12:22 PST
Committed 291556@main (35f649ea5f54): <https://commits.webkit.org/291556@main> Reviewed commits have been landed. Closing PR #41839 and removing active labels.
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