Bug 227842

Summary:

Validate keys in ResourceLoadStatisticsDatabaseStore::findNotVeryPrevalentResources() before using them with HashMap

Product:

WebKit

Reporter:

Chris Dumez <cdumez>

Component:

WebKit2

Assignee:

Chris Dumez <cdumez>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

bfulgham, katherine_cheney, kkinnunen, webkit-bug-importer, wilander

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
Patch	none

Description Chris Dumez 2021-07-09 08:44:11 PDT

Validate keys in ResourceLoadStatisticsDatabaseStore::findNotVeryPrevalentResources() before using them with HashMap, to avoid potential memory corruption.

Comment 1 Chris Dumez 2021-07-09 08:46:51 PDT

Created attachment 433218 [details]
Patch

Comment 2 EWS 2021-07-09 09:55:03 PDT

Committed r279787 (239554@main): <https://commits.webkit.org/239554@main>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 433218 [details].

Comment 3 Radar WebKit Bug Importer 2021-07-09 09:56:16 PDT

<rdar://problem/80381595>