Bug 230741

Summary: Cached? websites are occasionally presenting users with a zero byte unknown download
Product: WebKit Reporter: Dallas Clark <dallas.clark>
Component: New BugsAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: achristensen, thespyder, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Safari 14   
Hardware: Mac (Intel)   
OS: macOS 10.15   
Attachments:
Description Flags
Screenshot showing 'Do you want to allow downloads on www.tiny.cloud?' dialog none

Description Dallas Clark 2021-09-24 00:42:36 PDT 
Created attachment 439132 [details]
Screenshot showing 'Do you want to allow downloads on www.tiny.cloud?' dialog

Overview:

Clicking on a hyperlink presents an unknown zero-byte file to download.

Steps to Reproduce:

This is a bit hard to replicate, it appears to occur with popular websites that have cached on the browser.

Clicking a hyperlink to the website/page.

Actual Results:

Instead of navigating to the website/page, a dialogue box appears saying 'Do you want to allow downloads on "www.tiny.cloud"?'

After clicking "Allow," an unknown zero-byte file is downloaded.

Expected Results:

The browser redirects to the website/page.

Build Date & Hardware:

Safari Version 14.1.2 (16611.3.10.1.6) on Mac OS 11.5.2

Additional Builds and Platforms:

None

Additional Information:

Found an article in the community: https://www.cryptlife.com/tips-and-tricks/fix-unknown-file-download-safari-mac
Comment 1 Dallas Clark 2021-09-24 00:44:29 PDT 
Additional Information:

This has occurred on 2 separate occasions with 2 separate users in 2 different countries.

As per the article in the original post, clearing the cache resolved the issue.
Comment 2 Radar WebKit Bug Importer 2021-10-01 00:43:17 PDT 
<rdar://problem/83755985>