1972773 - "Quit Nightly" dialog incorrectly appears after canceling exit during active download

Status: NEW

(Firefox :: Data Loss Prevention, defect)

Description

[Bianca Hidecuti, Desktop Test Engineering [:bhidecuti]]

Attachment: video showing the issue

Found in

• 141.0a1 (2025-06-17)

Affected versions

• 141.0a1

Tested platforms

• Affected platforms: Windows 10, Windows 11
• Unaffected platforms: Ubuntu, macOS

Preconditions

• Download the DLP test assets from https://drive.google.com/file/d/1yjqVRuxdKV3WnO7D2wzMgDXBuYBxUgVw/view
• Create a distribution folder inside the Firefox folder and paste the policies.json
• DLP Agent is running: .\content_analysis_sdk_agent.exe --user --toblock=.*\d{3}-?\d{2}-?\d{4}.* --towarn=.*warn.* --delays=10

Steps to reproduce

1. Download a random file (e.g. from thinkbroadband.com)
2. While the download/scan is in progress, attempt to quit Firefox
3. Click the "Don't Exit" button in the "Cancel All Downloads"? dialog
4. Observe the behavior

Expected result

• No additional dialogs should be displayed after clicking the "Don't exit" option

Actual result

• "Quit Nightly" dialog is displayed after clicking the "Don't exit" option

Regression range

• Happens after bug 1965504

Additional notes

• Attached a screen recording
• Also, if clicking the "Yes, quit" button in the "Quit Nightly" dialog has no effect, after selecting the "Don't exit" option
• Not reproducing without the agent running

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

:gstoll, since you are the author of the regressor, bug 1965504, could you take a look? Also, could you set the severity field?

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