1666484 - [Win10] Firefox is closed when using TWG flash uploader demo

Status: RESOLVED DUPLICATE of bug 1665486

(Core Graveyard :: Plug-ins, defect)

Description

[Maria Berlinger [:mberlinger], Services QA]

Suggested severity

• S3

Affected versions

• 82.0b1
• 83.0a1 (2020-09-21)

Affected platforms

• Windows 10x64

Steps to reproduce

1. Install flash player
2. Launch Firefox.
3. Go to http://www.tinywebgallery.com/en/tfu/web_demo1.php
4. Click “add files”

Actual result:
Firefox is closed.

Expected result:
The upload panel is displayed.

Regression range

• First bad revision: 7801d63e36f8ab85953f99c26f3aeee3b8655a14
• Last good: Last good revision: 0f0b1fa85339ba43198835f1ffb821437d432c19
• Pushlog: https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=0f0b1fa85339ba43198835f1ffb821437d432c19&tochange=7801d63e36f8ab85953f99c26f3aeee3b8655a14

Additional notes

• this issue isn’t reproducible on ubuntu, mac or windows 7.
• not reproducible on latest rc (81.0)

Comment 1

[Laurence "GreenReaper" Parry]

I'm seeing a similar BEX error with the old BBC Flash player in Bug 1665486. At a guess, it is related to the update to clang 11.

Comment 2

[Laurence "GreenReaper" Parry]

Attachment: WER error on Windows 10 release 2004 (May Update)

I can also verify this issue (scripts must be enabled on the page or an error will prevent Add Files being activated).

Attached is a Windows Error Report log of the crash.

Comment 3

[(Away)]

I think this is a duplicate of bug 1665486

Comment 4

[Julien Cristau [:jcristau]]

Maria, can you try the build from https://bugzilla.mozilla.org/show_bug.cgi?id=1665486#c8?

Comment 5

[Maria Berlinger [:mberlinger], Services QA]

With the build from https://bugzilla.mozilla.org/show_bug.cgi?id=1665486#c8 this issue isn't reproducible.